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-rw-r--r--drivers/bus/mips_cdmm.c4
-rw-r--r--drivers/gpu/drm/drm_plane_helper.c3
-rw-r--r--drivers/gpu/drm/nouveau/include/nvif/class.h2
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/gr/gm204.c1
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gf100.c7
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm107.c2
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm204.c2
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv50.h3
-rw-r--r--drivers/gpu/drm/radeon/atombios_crtc.c4
-rw-r--r--drivers/gpu/drm/radeon/cik.c2
-rw-r--r--drivers/gpu/drm/radeon/evergreen.c2
-rw-r--r--drivers/gpu/drm/radeon/evergreen_hdmi.c5
-rw-r--r--drivers/gpu/drm/radeon/ni.c2
-rw-r--r--drivers/gpu/drm/radeon/r600.c2
-rw-r--r--drivers/gpu/drm/radeon/radeon_audio.c27
-rw-r--r--drivers/gpu/drm/radeon/radeon_connectors.c8
-rw-r--r--drivers/gpu/drm/radeon/rv770.c2
-rw-r--r--drivers/gpu/drm/radeon/si.c2
-rw-r--r--drivers/gpu/drm/vgem/Makefile2
-rw-r--r--drivers/gpu/drm/vgem/vgem_dma_buf.c94
-rw-r--r--drivers/gpu/drm/vgem/vgem_drv.c11
-rw-r--r--drivers/gpu/drm/vgem/vgem_drv.h11
-rw-r--r--drivers/hwmon/nct6683.c2
-rw-r--r--drivers/hwmon/nct6775.c2
-rw-r--r--drivers/hwmon/ntc_thermistor.c9
-rw-r--r--drivers/hwmon/tmp401.c2
-rw-r--r--drivers/infiniband/ulp/isert/ib_isert.c6
-rw-r--r--drivers/md/dm-mpath.c4
-rw-r--r--drivers/md/dm-table.c16
-rw-r--r--drivers/md/dm.c40
-rw-r--r--drivers/md/md.c14
-rw-r--r--drivers/md/raid5.c146
-rw-r--r--drivers/md/raid5.h5
-rw-r--r--drivers/net/ethernet/emulex/benet/be_main.c6
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_netdev.c10
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_tx.c6
-rw-r--r--drivers/platform/x86/thinkpad_acpi.c37
-rw-r--r--drivers/scsi/qla2xxx/tcm_qla2xxx.c6
-rw-r--r--drivers/target/iscsi/iscsi_target.c2
-rw-r--r--drivers/target/iscsi/iscsi_target_login.c1
-rw-r--r--drivers/target/iscsi/iscsi_target_tpg.c5
-rw-r--r--drivers/target/target_core_alua.c4
-rw-r--r--drivers/target/target_core_configfs.c40
-rw-r--r--drivers/target/target_core_device.c78
-rw-r--r--drivers/target/target_core_file.c1
-rw-r--r--drivers/target/target_core_iblock.c1
-rw-r--r--drivers/target/target_core_internal.h3
-rw-r--r--drivers/target/target_core_pr.c34
-rw-r--r--drivers/target/target_core_pscsi.c58
-rw-r--r--drivers/target/target_core_pscsi.h1
-rw-r--r--drivers/target/target_core_rd.c1
-rw-r--r--drivers/target/target_core_sbc.c2
-rw-r--r--drivers/target/target_core_transport.c13
-rw-r--r--drivers/target/target_core_user.c143
-rw-r--r--drivers/target/target_core_xcopy.c15
-rw-r--r--drivers/tty/mips_ejtag_fdc.c17
-rw-r--r--drivers/vhost/scsi.c6
57 files changed, 395 insertions, 539 deletions
diff --git a/drivers/bus/mips_cdmm.c b/drivers/bus/mips_cdmm.c
index 5bd792c68f9b..ab3bde16ecb4 100644
--- a/drivers/bus/mips_cdmm.c
+++ b/drivers/bus/mips_cdmm.c
@@ -453,7 +453,7 @@ void __iomem *mips_cdmm_early_probe(unsigned int dev_type)
/* Look for a specific device type */
for (; drb < bus->drbs; drb += size + 1) {
- acsr = readl(cdmm + drb * CDMM_DRB_SIZE);
+ acsr = __raw_readl(cdmm + drb * CDMM_DRB_SIZE);
type = (acsr & CDMM_ACSR_DEVTYPE) >> CDMM_ACSR_DEVTYPE_SHIFT;
if (type == dev_type)
return cdmm + drb * CDMM_DRB_SIZE;
@@ -500,7 +500,7 @@ static void mips_cdmm_bus_discover(struct mips_cdmm_bus *bus)
bus->discovered = true;
pr_info("cdmm%u discovery (%u blocks)\n", cpu, bus->drbs);
for (; drb < bus->drbs; drb += size + 1) {
- acsr = readl(cdmm + drb * CDMM_DRB_SIZE);
+ acsr = __raw_readl(cdmm + drb * CDMM_DRB_SIZE);
type = (acsr & CDMM_ACSR_DEVTYPE) >> CDMM_ACSR_DEVTYPE_SHIFT;
size = (acsr & CDMM_ACSR_DEVSIZE) >> CDMM_ACSR_DEVSIZE_SHIFT;
rev = (acsr & CDMM_ACSR_DEVREV) >> CDMM_ACSR_DEVREV_SHIFT;
diff --git a/drivers/gpu/drm/drm_plane_helper.c b/drivers/gpu/drm/drm_plane_helper.c
index 40c1db9ad7c3..2f0ed11024eb 100644
--- a/drivers/gpu/drm/drm_plane_helper.c
+++ b/drivers/gpu/drm/drm_plane_helper.c
@@ -465,6 +465,9 @@ int drm_plane_helper_commit(struct drm_plane *plane,
if (!crtc[i])
continue;
+ if (crtc[i]->cursor == plane)
+ continue;
+
/* There's no other way to figure out whether the crtc is running. */
ret = drm_crtc_vblank_get(crtc[i]);
if (ret == 0) {
diff --git a/drivers/gpu/drm/nouveau/include/nvif/class.h b/drivers/gpu/drm/nouveau/include/nvif/class.h
index 0b5af0fe8659..64f8b2f687d2 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/class.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/class.h
@@ -14,7 +14,7 @@
#define FERMI_TWOD_A 0x0000902d
-#define FERMI_MEMORY_TO_MEMORY_FORMAT_A 0x0000903d
+#define FERMI_MEMORY_TO_MEMORY_FORMAT_A 0x00009039
#define KEPLER_INLINE_TO_MEMORY_A 0x0000a040
#define KEPLER_INLINE_TO_MEMORY_B 0x0000a140
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gm204.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gm204.c
index 2f5eadd12a9b..fdb1dcf16a59 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gm204.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gm204.c
@@ -329,7 +329,6 @@ gm204_gr_init(struct nvkm_object *object)
nv_mask(priv, 0x419cc0, 0x00000008, 0x00000008);
for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
- printk(KERN_ERR "ppc %d %d\n", gpc, priv->ppc_nr[gpc]);
for (ppc = 0; ppc < priv->ppc_nr[gpc]; ppc++)
nv_wr32(priv, PPC_UNIT(gpc, ppc, 0x038), 0xc0000000);
nv_wr32(priv, GPC_UNIT(gpc, 0x0420), 0xc0000000);
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gf100.c
index e8778c67578e..c61102f70805 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gf100.c
@@ -90,12 +90,14 @@ gf100_devinit_disable(struct nvkm_devinit *devinit)
return disable;
}
-static int
+int
gf100_devinit_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
struct nvkm_oclass *oclass, void *data, u32 size,
struct nvkm_object **pobject)
{
+ struct nvkm_devinit_impl *impl = (void *)oclass;
struct nv50_devinit_priv *priv;
+ u64 disable;
int ret;
ret = nvkm_devinit_create(parent, engine, oclass, &priv);
@@ -103,7 +105,8 @@ gf100_devinit_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
if (ret)
return ret;
- if (nv_rd32(priv, 0x022500) & 0x00000001)
+ disable = impl->disable(&priv->base);
+ if (disable & (1ULL << NVDEV_ENGINE_DISP))
priv->base.post = true;
return 0;
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm107.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm107.c
index b345a53e881d..87ca0ece37b4 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm107.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm107.c
@@ -48,7 +48,7 @@ struct nvkm_oclass *
gm107_devinit_oclass = &(struct nvkm_devinit_impl) {
.base.handle = NV_SUBDEV(DEVINIT, 0x07),
.base.ofuncs = &(struct nvkm_ofuncs) {
- .ctor = nv50_devinit_ctor,
+ .ctor = gf100_devinit_ctor,
.dtor = _nvkm_devinit_dtor,
.init = nv50_devinit_init,
.fini = _nvkm_devinit_fini,
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm204.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm204.c
index 535172c5f1ad..1076fcf0d716 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm204.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm204.c
@@ -161,7 +161,7 @@ struct nvkm_oclass *
gm204_devinit_oclass = &(struct nvkm_devinit_impl) {
.base.handle = NV_SUBDEV(DEVINIT, 0x07),
.base.ofuncs = &(struct nvkm_ofuncs) {
- .ctor = nv50_devinit_ctor,
+ .ctor = gf100_devinit_ctor,
.dtor = _nvkm_devinit_dtor,
.init = nv50_devinit_init,
.fini = _nvkm_devinit_fini,
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv50.h b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv50.h
index b882b65ff3cd..9243521c80ac 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv50.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv50.h
@@ -15,6 +15,9 @@ int nv50_devinit_pll_set(struct nvkm_devinit *, u32, u32);
int gt215_devinit_pll_set(struct nvkm_devinit *, u32, u32);
+int gf100_devinit_ctor(struct nvkm_object *, struct nvkm_object *,
+ struct nvkm_oclass *, void *, u32,
+ struct nvkm_object **);
int gf100_devinit_pll_set(struct nvkm_devinit *, u32, u32);
u64 gm107_devinit_disable(struct nvkm_devinit *);
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 42b2ea3fdcf3..e597ffc26563 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -1798,7 +1798,9 @@ static int radeon_get_shared_nondp_ppll(struct drm_crtc *crtc)
if ((crtc->mode.clock == test_crtc->mode.clock) &&
(adjusted_clock == test_adjusted_clock) &&
(radeon_crtc->ss_enabled == test_radeon_crtc->ss_enabled) &&
- (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID))
+ (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID) &&
+ (drm_detect_monitor_audio(radeon_connector_edid(test_radeon_crtc->connector)) ==
+ drm_detect_monitor_audio(radeon_connector_edid(radeon_crtc->connector))))
return test_radeon_crtc->pll_id;
}
}
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index a0c35bbc8546..ba50f3c1c2e0 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -5822,7 +5822,7 @@ static int cik_pcie_gart_enable(struct radeon_device *rdev)
L2_CACHE_BIGK_FRAGMENT_SIZE(4));
/* setup context0 */
WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
- WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, (rdev->mc.gtt_end >> 12) - 1);
+ WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
(u32)(rdev->dummy_page.addr >> 12));
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 05e6d6ef5963..f848acfd3fc8 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -2485,7 +2485,7 @@ static int evergreen_pcie_gart_enable(struct radeon_device *rdev)
WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
- WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, (rdev->mc.gtt_end >> 12) - 1);
+ WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c
index 0926739c9fa7..9953356fe263 100644
--- a/drivers/gpu/drm/radeon/evergreen_hdmi.c
+++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c
@@ -400,7 +400,7 @@ void evergreen_hdmi_enable(struct drm_encoder *encoder, bool enable)
if (enable) {
struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
- if (drm_detect_monitor_audio(radeon_connector_edid(connector))) {
+ if (connector && drm_detect_monitor_audio(radeon_connector_edid(connector))) {
WREG32(HDMI_INFOFRAME_CONTROL0 + dig->afmt->offset,
HDMI_AVI_INFO_SEND | /* enable AVI info frames */
HDMI_AVI_INFO_CONT | /* required for audio info values to be updated */
@@ -438,7 +438,8 @@ void evergreen_dp_enable(struct drm_encoder *encoder, bool enable)
if (!dig || !dig->afmt)
return;
- if (enable && drm_detect_monitor_audio(radeon_connector_edid(connector))) {
+ if (enable && connector &&
+ drm_detect_monitor_audio(radeon_connector_edid(connector))) {
struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
struct radeon_connector_atom_dig *dig_connector;
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index aba2f428c0a8..64d3a771920d 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -1282,7 +1282,7 @@ static int cayman_pcie_gart_enable(struct radeon_device *rdev)
L2_CACHE_BIGK_FRAGMENT_SIZE(6));
/* setup context0 */
WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
- WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, (rdev->mc.gtt_end >> 12) - 1);
+ WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
(u32)(rdev->dummy_page.addr >> 12));
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 25b4ac967742..8f6d862a1882 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1112,7 +1112,7 @@ static int r600_pcie_gart_enable(struct radeon_device *rdev)
WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
- WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, (rdev->mc.gtt_end >> 12) - 1);
+ WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
diff --git a/drivers/gpu/drm/radeon/radeon_audio.c b/drivers/gpu/drm/radeon/radeon_audio.c
index dcb779647c57..25191f126f3b 100644
--- a/drivers/gpu/drm/radeon/radeon_audio.c
+++ b/drivers/gpu/drm/radeon/radeon_audio.c
@@ -460,9 +460,6 @@ void radeon_audio_detect(struct drm_connector *connector,
if (!connector || !connector->encoder)
return;
- if (!radeon_encoder_is_digital(connector->encoder))
- return;
-
rdev = connector->encoder->dev->dev_private;
if (!radeon_audio_chipset_supported(rdev))
@@ -471,26 +468,26 @@ void radeon_audio_detect(struct drm_connector *connector,
radeon_encoder = to_radeon_encoder(connector->encoder);
dig = radeon_encoder->enc_priv;
- if (!dig->afmt)
- return;
-
if (status == connector_status_connected) {
- struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+ struct radeon_connector *radeon_connector;
+ int sink_type;
+
+ if (!drm_detect_monitor_audio(radeon_connector_edid(connector))) {
+ radeon_encoder->audio = NULL;
+ return;
+ }
+
+ radeon_connector = to_radeon_connector(connector);
+ sink_type = radeon_dp_getsinktype(radeon_connector);
if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort &&
- radeon_dp_getsinktype(radeon_connector) ==
- CONNECTOR_OBJECT_ID_DISPLAYPORT)
+ sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
radeon_encoder->audio = rdev->audio.dp_funcs;
else
radeon_encoder->audio = rdev->audio.hdmi_funcs;
dig->afmt->pin = radeon_audio_get_pin(connector->encoder);
- if (drm_detect_monitor_audio(radeon_connector_edid(connector))) {
- radeon_audio_enable(rdev, dig->afmt->pin, 0xf);
- } else {
- radeon_audio_enable(rdev, dig->afmt->pin, 0);
- dig->afmt->pin = NULL;
- }
+ radeon_audio_enable(rdev, dig->afmt->pin, 0xf);
} else {
radeon_audio_enable(rdev, dig->afmt->pin, 0);
dig->afmt->pin = NULL;
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index d17d251dbd4f..cebb65e07e1d 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -1379,10 +1379,8 @@ out:
/* updated in get modes as well since we need to know if it's analog or digital */
radeon_connector_update_scratch_regs(connector, ret);
- if (radeon_audio != 0) {
- radeon_connector_get_edid(connector);
+ if (radeon_audio != 0)
radeon_audio_detect(connector, ret);
- }
exit:
pm_runtime_mark_last_busy(connector->dev->dev);
@@ -1719,10 +1717,8 @@ radeon_dp_detect(struct drm_connector *connector, bool force)
radeon_connector_update_scratch_regs(connector, ret);
- if (radeon_audio != 0) {
- radeon_connector_get_edid(connector);
+ if (radeon_audio != 0)
radeon_audio_detect(connector, ret);
- }
out:
pm_runtime_mark_last_busy(connector->dev->dev);
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index c54d6313a46d..01ee96acb398 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -921,7 +921,7 @@ static int rv770_pcie_gart_enable(struct radeon_device *rdev)
WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
- WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, (rdev->mc.gtt_end >> 12) - 1);
+ WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 5326f753e107..4c679b802bc8 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -4303,7 +4303,7 @@ static int si_pcie_gart_enable(struct radeon_device *rdev)
L2_CACHE_BIGK_FRAGMENT_SIZE(4));
/* setup context0 */
WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
- WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, (rdev->mc.gtt_end >> 12) - 1);
+ WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
(u32)(rdev->dummy_page.addr >> 12));
diff --git a/drivers/gpu/drm/vgem/Makefile b/drivers/gpu/drm/vgem/Makefile
index 1055cb79096c..3f4c7b842028 100644
--- a/drivers/gpu/drm/vgem/Makefile
+++ b/drivers/gpu/drm/vgem/Makefile
@@ -1,4 +1,4 @@
ccflags-y := -Iinclude/drm
-vgem-y := vgem_drv.o vgem_dma_buf.o
+vgem-y := vgem_drv.o
obj-$(CONFIG_DRM_VGEM) += vgem.o
diff --git a/drivers/gpu/drm/vgem/vgem_dma_buf.c b/drivers/gpu/drm/vgem/vgem_dma_buf.c
deleted file mode 100644
index 0254438ad1a6..000000000000
--- a/drivers/gpu/drm/vgem/vgem_dma_buf.c
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * Copyright © 2012 Intel Corporation
- * Copyright © 2014 The Chromium OS Authors
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- *
- * Authors:
- * Ben Widawsky <ben@bwidawsk.net>
- *
- */
-
-#include <linux/dma-buf.h>
-#include "vgem_drv.h"
-
-struct sg_table *vgem_gem_prime_get_sg_table(struct drm_gem_object *gobj)
-{
- struct drm_vgem_gem_object *obj = to_vgem_bo(gobj);
- BUG_ON(obj->pages == NULL);
-
- return drm_prime_pages_to_sg(obj->pages, obj->base.size / PAGE_SIZE);
-}
-
-int vgem_gem_prime_pin(struct drm_gem_object *gobj)
-{
- struct drm_vgem_gem_object *obj = to_vgem_bo(gobj);
- return vgem_gem_get_pages(obj);
-}
-
-void vgem_gem_prime_unpin(struct drm_gem_object *gobj)
-{
- struct drm_vgem_gem_object *obj = to_vgem_bo(gobj);
- vgem_gem_put_pages(obj);
-}
-
-void *vgem_gem_prime_vmap(struct drm_gem_object *gobj)
-{
- struct drm_vgem_gem_object *obj = to_vgem_bo(gobj);
- BUG_ON(obj->pages == NULL);
-
- return vmap(obj->pages, obj->base.size / PAGE_SIZE, 0, PAGE_KERNEL);
-}
-
-void vgem_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
-{
- vunmap(vaddr);
-}
-
-struct drm_gem_object *vgem_gem_prime_import(struct drm_device *dev,
- struct dma_buf *dma_buf)
-{
- struct drm_vgem_gem_object *obj = NULL;
- int ret;
-
- obj = kzalloc(sizeof(*obj), GFP_KERNEL);
- if (obj == NULL) {
- ret = -ENOMEM;
- goto fail;
- }
-
- ret = drm_gem_object_init(dev, &obj->base, dma_buf->size);
- if (ret) {
- ret = -ENOMEM;
- goto fail_free;
- }
-
- get_dma_buf(dma_buf);
-
- obj->base.dma_buf = dma_buf;
- obj->use_dma_buf = true;
-
- return &obj->base;
-
-fail_free:
- kfree(obj);
-fail:
- return ERR_PTR(ret);
-}
diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c
index cb3b43525b2d..7a207ca547be 100644
--- a/drivers/gpu/drm/vgem/vgem_drv.c
+++ b/drivers/gpu/drm/vgem/vgem_drv.c
@@ -302,22 +302,13 @@ static const struct file_operations vgem_driver_fops = {
};
static struct drm_driver vgem_driver = {
- .driver_features = DRIVER_GEM | DRIVER_PRIME,
+ .driver_features = DRIVER_GEM,
.gem_free_object = vgem_gem_free_object,
.gem_vm_ops = &vgem_gem_vm_ops,
.ioctls = vgem_ioctls,
.fops = &vgem_driver_fops,
.dumb_create = vgem_gem_dumb_create,
.dumb_map_offset = vgem_gem_dumb_map,
- .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
- .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
- .gem_prime_export = drm_gem_prime_export,
- .gem_prime_import = vgem_gem_prime_import,
- .gem_prime_pin = vgem_gem_prime_pin,
- .gem_prime_unpin = vgem_gem_prime_unpin,
- .gem_prime_get_sg_table = vgem_gem_prime_get_sg_table,
- .gem_prime_vmap = vgem_gem_prime_vmap,
- .gem_prime_vunmap = vgem_gem_prime_vunmap,
.name = DRIVER_NAME,
.desc = DRIVER_DESC,
.date = DRIVER_DATE,
diff --git a/drivers/gpu/drm/vgem/vgem_drv.h b/drivers/gpu/drm/vgem/vgem_drv.h
index 57ab4d8f41f9..e9f92f7ee275 100644
--- a/drivers/gpu/drm/vgem/vgem_drv.h
+++ b/drivers/gpu/drm/vgem/vgem_drv.h
@@ -43,15 +43,4 @@ struct drm_vgem_gem_object {
extern void vgem_gem_put_pages(struct drm_vgem_gem_object *obj);
extern int vgem_gem_get_pages(struct drm_vgem_gem_object *obj);
-/* vgem_dma_buf.c */
-extern struct sg_table *vgem_gem_prime_get_sg_table(
- struct drm_gem_object *gobj);
-extern int vgem_gem_prime_pin(struct drm_gem_object *gobj);
-extern void vgem_gem_prime_unpin(struct drm_gem_object *gobj);
-extern void *vgem_gem_prime_vmap(struct drm_gem_object *gobj);
-extern void vgem_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
-extern struct drm_gem_object *vgem_gem_prime_import(struct drm_device *dev,
- struct dma_buf *dma_buf);
-
-
#endif
diff --git a/drivers/hwmon/nct6683.c b/drivers/hwmon/nct6683.c
index f3830db02d46..37f01702d081 100644
--- a/drivers/hwmon/nct6683.c
+++ b/drivers/hwmon/nct6683.c
@@ -439,6 +439,7 @@ nct6683_create_attr_group(struct device *dev, struct sensor_template_group *tg,
(*t)->dev_attr.attr.name, tg->base + i);
if ((*t)->s2) {
a2 = &su->u.a2;
+ sysfs_attr_init(&a2->dev_attr.attr);
a2->dev_attr.attr.name = su->name;
a2->nr = (*t)->u.s.nr + i;
a2->index = (*t)->u.s.index;
@@ -449,6 +450,7 @@ nct6683_create_attr_group(struct device *dev, struct sensor_template_group *tg,
*attrs = &a2->dev_attr.attr;
} else {
a = &su->u.a1;
+ sysfs_attr_init(&a->dev_attr.attr);
a->dev_attr.attr.name = su->name;
a->index = (*t)->u.index + i;
a->dev_attr.attr.mode =
diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c
index 4fcb48103299..bd1c99deac71 100644
--- a/drivers/hwmon/nct6775.c
+++ b/drivers/hwmon/nct6775.c
@@ -995,6 +995,7 @@ nct6775_create_attr_group(struct device *dev, struct sensor_template_group *tg,
(*t)->dev_attr.attr.name, tg->base + i);
if ((*t)->s2) {
a2 = &su->u.a2;
+ sysfs_attr_init(&a2->dev_attr.attr);
a2->dev_attr.attr.name = su->name;
a2->nr = (*t)->u.s.nr + i;
a2->index = (*t)->u.s.index;
@@ -1005,6 +1006,7 @@ nct6775_create_attr_group(struct device *dev, struct sensor_template_group *tg,
*attrs = &a2->dev_attr.attr;
} else {
a = &su->u.a1;
+ sysfs_attr_init(&a->dev_attr.attr);
a->dev_attr.attr.name = su->name;
a->index = (*t)->u.index + i;
a->dev_attr.attr.mode =
diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c
index 112e4d45e4a0..68800115876b 100644
--- a/drivers/hwmon/ntc_thermistor.c
+++ b/drivers/hwmon/ntc_thermistor.c
@@ -239,8 +239,10 @@ static struct ntc_thermistor_platform_data *
ntc_thermistor_parse_dt(struct platform_device *pdev)
{
struct iio_channel *chan;
+ enum iio_chan_type type;
struct device_node *np = pdev->dev.of_node;
struct ntc_thermistor_platform_data *pdata;
+ int ret;
if (!np)
return NULL;
@@ -253,6 +255,13 @@ ntc_thermistor_parse_dt(struct platform_device *pdev)
if (IS_ERR(chan))
return ERR_CAST(chan);
+ ret = iio_get_channel_type(chan, &type);
+ if (ret < 0)
+ return ERR_PTR(ret);
+
+ if (type != IIO_VOLTAGE)
+ return ERR_PTR(-EINVAL);
+
if (of_property_read_u32(np, "pullup-uv", &pdata->pullup_uv))
return ERR_PTR(-ENODEV);
if (of_property_read_u32(np, "pullup-ohm", &pdata->pullup_ohm))
diff --git a/drivers/hwmon/tmp401.c b/drivers/hwmon/tmp401.c
index 99664ebc738d..ccf4cffe0ee1 100644
--- a/drivers/hwmon/tmp401.c
+++ b/drivers/hwmon/tmp401.c
@@ -44,7 +44,7 @@
#include <linux/sysfs.h>
/* Addresses to scan */
-static const unsigned short normal_i2c[] = { 0x37, 0x48, 0x49, 0x4a, 0x4c, 0x4d,
+static const unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4c, 0x4d,
0x4e, 0x4f, I2C_CLIENT_END };
enum chips { tmp401, tmp411, tmp431, tmp432, tmp435 };
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index 327529ee85eb..3f40319a55da 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -547,11 +547,11 @@ isert_create_pi_ctx(struct fast_reg_descriptor *desc,
return 0;
err_prot_mr:
- ib_dereg_mr(desc->pi_ctx->prot_mr);
+ ib_dereg_mr(pi_ctx->prot_mr);
err_prot_frpl:
- ib_free_fast_reg_page_list(desc->pi_ctx->prot_frpl);
+ ib_free_fast_reg_page_list(pi_ctx->prot_frpl);
err_pi_ctx:
- kfree(desc->pi_ctx);
+ kfree(pi_ctx);
return ret;
}
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 63953477a07c..eff7bdd7731d 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -429,9 +429,11 @@ static int __multipath_map(struct dm_target *ti, struct request *clone,
/* blk-mq request-based interface */
*__clone = blk_get_request(bdev_get_queue(bdev),
rq_data_dir(rq), GFP_ATOMIC);
- if (IS_ERR(*__clone))
+ if (IS_ERR(*__clone)) {
/* ENOMEM, requeue */
+ clear_mapinfo(m, map_context);
return r;
+ }
(*__clone)->bio = (*__clone)->biotail = NULL;
(*__clone)->rq_disk = bdev->bd_disk;
(*__clone)->cmd_flags |= REQ_FAILFAST_TRANSPORT;
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index d9b00b8565c6..16ba55ad7089 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -820,6 +820,12 @@ void dm_consume_args(struct dm_arg_set *as, unsigned num_args)
}
EXPORT_SYMBOL(dm_consume_args);
+static bool __table_type_request_based(unsigned table_type)
+{
+ return (table_type == DM_TYPE_REQUEST_BASED ||
+ table_type == DM_TYPE_MQ_REQUEST_BASED);
+}
+
static int dm_table_set_type(struct dm_table *t)
{
unsigned i;
@@ -852,8 +858,7 @@ static int dm_table_set_type(struct dm_table *t)
* Determine the type from the live device.
* Default to bio-based if device is new.
*/
- if (live_md_type == DM_TYPE_REQUEST_BASED ||
- live_md_type == DM_TYPE_MQ_REQUEST_BASED)
+ if (__table_type_request_based(live_md_type))
request_based = 1;
else
bio_based = 1;
@@ -903,7 +908,7 @@ static int dm_table_set_type(struct dm_table *t)
}
t->type = DM_TYPE_MQ_REQUEST_BASED;
- } else if (hybrid && list_empty(devices) && live_md_type != DM_TYPE_NONE) {
+ } else if (list_empty(devices) && __table_type_request_based(live_md_type)) {
/* inherit live MD type */
t->type = live_md_type;
@@ -925,10 +930,7 @@ struct target_type *dm_table_get_immutable_target_type(struct dm_table *t)
bool dm_table_request_based(struct dm_table *t)
{
- unsigned table_type = dm_table_get_type(t);
-
- return (table_type == DM_TYPE_REQUEST_BASED ||
- table_type == DM_TYPE_MQ_REQUEST_BASED);
+ return __table_type_request_based(dm_table_get_type(t));
}
bool dm_table_mq_request_based(struct dm_table *t)
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index a930b72314ac..2caf492890d6 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1082,13 +1082,11 @@ static void rq_completed(struct mapped_device *md, int rw, bool run_queue)
dm_put(md);
}
-static void free_rq_clone(struct request *clone, bool must_be_mapped)
+static void free_rq_clone(struct request *clone)
{
struct dm_rq_target_io *tio = clone->end_io_data;
struct mapped_device *md = tio->md;
- WARN_ON_ONCE(must_be_mapped && !clone->q);
-
blk_rq_unprep_clone(clone);
if (md->type == DM_TYPE_MQ_REQUEST_BASED)
@@ -1132,7 +1130,7 @@ static void dm_end_request(struct request *clone, int error)
rq->sense_len = clone->sense_len;
}
- free_rq_clone(clone, true);
+ free_rq_clone(clone);
if (!rq->q->mq_ops)
blk_end_request_all(rq, error);
else
@@ -1151,7 +1149,7 @@ static void dm_unprep_request(struct request *rq)
}
if (clone)
- free_rq_clone(clone, false);
+ free_rq_clone(clone);
}
/*
@@ -1164,6 +1162,7 @@ static void old_requeue_request(struct request *rq)
spin_lock_irqsave(q->queue_lock, flags);
blk_requeue_request(q, rq);
+ blk_run_queue_async(q);
spin_unlock_irqrestore(q->queue_lock, flags);
}
@@ -1724,8 +1723,7 @@ static int dm_merge_bvec(struct request_queue *q,
struct mapped_device *md = q->queuedata;
struct dm_table *map = dm_get_live_table_fast(md);
struct dm_target *ti;
- sector_t max_sectors;
- int max_size = 0;
+ sector_t max_sectors, max_size = 0;
if (unlikely(!map))
goto out;
@@ -1740,8 +1738,16 @@ static int dm_merge_bvec(struct request_queue *q,
max_sectors = min(max_io_len(bvm->bi_sector, ti),
(sector_t) queue_max_sectors(q));
max_size = (max_sectors << SECTOR_SHIFT) - bvm->bi_size;
- if (unlikely(max_size < 0)) /* this shouldn't _ever_ happen */
- max_size = 0;
+
+ /*
+ * FIXME: this stop-gap fix _must_ be cleaned up (by passing a sector_t
+ * to the targets' merge function since it holds sectors not bytes).
+ * Just doing this as an interim fix for stable@ because the more
+ * comprehensive cleanup of switching to sector_t will impact every
+ * DM target that implements a ->merge hook.
+ */
+ if (max_size > INT_MAX)
+ max_size = INT_MAX;
/*
* merge_bvec_fn() returns number of bytes
@@ -1749,7 +1755,7 @@ static int dm_merge_bvec(struct request_queue *q,
* max is precomputed maximal io size
*/
if (max_size && ti->type->merge)
- max_size = ti->type->merge(ti, bvm, biovec, max_size);
+ max_size = ti->type->merge(ti, bvm, biovec, (int) max_size);
/*
* If the target doesn't support merge method and some of the devices
* provided their merge_bvec method (we know this by looking for the
@@ -1971,8 +1977,8 @@ static int map_request(struct dm_rq_target_io *tio, struct request *rq,
dm_kill_unmapped_request(rq, r);
return r;
}
- if (IS_ERR(clone))
- return DM_MAPIO_REQUEUE;
+ if (r != DM_MAPIO_REMAPPED)
+ return r;
if (setup_clone(clone, rq, tio, GFP_ATOMIC)) {
/* -ENOMEM */
ti->type->release_clone_rq(clone);
@@ -2753,13 +2759,15 @@ static int dm_mq_queue_rq(struct blk_mq_hw_ctx *hctx,
if (dm_table_get_type(map) == DM_TYPE_REQUEST_BASED) {
/* clone request is allocated at the end of the pdu */
tio->clone = (void *)blk_mq_rq_to_pdu(rq) + sizeof(struct dm_rq_target_io);
- if (!clone_rq(rq, md, tio, GFP_ATOMIC))
- return BLK_MQ_RQ_QUEUE_BUSY;
+ (void) clone_rq(rq, md, tio, GFP_ATOMIC);
queue_kthread_work(&md->kworker, &tio->work);
} else {
/* Direct call is fine since .queue_rq allows allocations */
- if (map_request(tio, rq, md) == DM_MAPIO_REQUEUE)
- dm_requeue_unmapped_original_request(md, rq);
+ if (map_request(tio, rq, md) == DM_MAPIO_REQUEUE) {
+ /* Undo dm_start_request() before requeuing */
+ rq_completed(md, rq_data_dir(rq), false);
+ return BLK_MQ_RQ_QUEUE_BUSY;
+ }
}
return BLK_MQ_RQ_QUEUE_OK;
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 593a02476c78..27506302eb7a 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -4211,12 +4211,12 @@ action_store(struct mddev *mddev, const char *page, size_t len)
if (!mddev->pers || !mddev->pers->sync_request)
return -EINVAL;
- if (cmd_match(page, "frozen"))
- set_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
- else
- clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
if (cmd_match(page, "idle") || cmd_match(page, "frozen")) {
+ if (cmd_match(page, "frozen"))
+ set_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
+ else
+ clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
flush_workqueue(md_misc_wq);
if (mddev->sync_thread) {
set_bit(MD_RECOVERY_INTR, &mddev->recovery);
@@ -4229,16 +4229,17 @@ action_store(struct mddev *mddev, const char *page, size_t len)
test_bit(MD_RECOVERY_NEEDED, &mddev->recovery))
return -EBUSY;
else if (cmd_match(page, "resync"))
- set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
+ clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
else if (cmd_match(page, "recover")) {
+ clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
set_bit(MD_RECOVERY_RECOVER, &mddev->recovery);
- set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
} else if (cmd_match(page, "reshape")) {
int err;
if (mddev->pers->start_reshape == NULL)
return -EINVAL;
err = mddev_lock(mddev);
if (!err) {
+ clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
err = mddev->pers->start_reshape(mddev);
mddev_unlock(mddev);
}
@@ -4250,6 +4251,7 @@ action_store(struct mddev *mddev, const char *page, size_t len)
set_bit(MD_RECOVERY_CHECK, &mddev->recovery);
else if (!cmd_match(page, "repair"))
return -EINVAL;
+ clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
set_bit(MD_RECOVERY_REQUESTED, &mddev->recovery);
set_bit(MD_RECOVERY_SYNC, &mddev->recovery);
}
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index b9f2b9cc6060..553d54b87052 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -749,6 +749,7 @@ static void unlock_two_stripes(struct stripe_head *sh1, struct stripe_head *sh2)
static bool stripe_can_batch(struct stripe_head *sh)
{
return test_bit(STRIPE_BATCH_READY, &sh->state) &&
+ !test_bit(STRIPE_BITMAP_PENDING, &sh->state) &&
is_full_stripe_write(sh);
}
@@ -837,6 +838,15 @@ static void stripe_add_to_batch_list(struct r5conf *conf, struct stripe_head *sh
< IO_THRESHOLD)
md_wakeup_thread(conf->mddev->thread);
+ if (test_and_clear_bit(STRIPE_BIT_DELAY, &sh->state)) {
+ int seq = sh->bm_seq;
+ if (test_bit(STRIPE_BIT_DELAY, &sh->batch_head->state) &&
+ sh->batch_head->bm_seq > seq)
+ seq = sh->batch_head->bm_seq;
+ set_bit(STRIPE_BIT_DELAY, &sh->batch_head->state);
+ sh->batch_head->bm_seq = seq;
+ }
+
atomic_inc(&sh->count);
unlock_out:
unlock_two_stripes(head, sh);
@@ -2987,14 +2997,32 @@ static int add_stripe_bio(struct stripe_head *sh, struct bio *bi, int dd_idx,
pr_debug("added bi b#%llu to stripe s#%llu, disk %d.\n",
(unsigned long long)(*bip)->bi_iter.bi_sector,
(unsigned long long)sh->sector, dd_idx);
- spin_unlock_irq(&sh->stripe_lock);
if (conf->mddev->bitmap && firstwrite) {
+ /* Cannot hold spinlock over bitmap_startwrite,
+ * but must ensure this isn't added to a batch until
+ * we have added to the bitmap and set bm_seq.
+ * So set STRIPE_BITMAP_PENDING to prevent
+ * batching.
+ * If multiple add_stripe_bio() calls race here they
+ * much all set STRIPE_BITMAP_PENDING. So only the first one
+ * to complete "bitmap_startwrite" gets to set
+ * STRIPE_BIT_DELAY. This is important as once a stripe
+ * is added to a batch, STRIPE_BIT_DELAY cannot be changed
+ * any more.
+ */
+ set_bit(STRIPE_BITMAP_PENDING, &sh->state);
+ spin_unlock_irq(&sh->stripe_lock);
bitmap_startwrite(conf->mddev->bitmap, sh->sector,
STRIPE_SECTORS, 0);
- sh->bm_seq = conf->seq_flush+1;
- set_bit(STRIPE_BIT_DELAY, &sh->state);
+ spin_lock_irq(&sh->stripe_lock);
+ clear_bit(STRIPE_BITMAP_PENDING, &sh->state);
+ if (!sh->batch_head) {
+ sh->bm_seq = conf->seq_flush+1;
+ set_bit(STRIPE_BIT_DELAY, &sh->state);
+ }
}
+ spin_unlock_irq(&sh->stripe_lock);
if (stripe_can_batch(sh))
stripe_add_to_batch_list(conf, sh);
@@ -3392,6 +3420,8 @@ static void handle_stripe_fill(struct stripe_head *sh,
set_bit(STRIPE_HANDLE, &sh->state);
}
+static void break_stripe_batch_list(struct stripe_head *head_sh,
+ unsigned long handle_flags);
/* handle_stripe_clean_event
* any written block on an uptodate or failed drive can be returned.
* Note that if we 'wrote' to a failed drive, it will be UPTODATE, but
@@ -3405,7 +3435,6 @@ static void handle_stripe_clean_event(struct r5conf *conf,
int discard_pending = 0;
struct stripe_head *head_sh = sh;
bool do_endio = false;
- int wakeup_nr = 0;
for (i = disks; i--; )
if (sh->dev[i].written) {
@@ -3494,44 +3523,8 @@ unhash:
if (atomic_dec_and_test(&conf->pending_full_writes))
md_wakeup_thread(conf->mddev->thread);
- if (!head_sh->batch_head || !do_endio)
- return;
- for (i = 0; i < head_sh->disks; i++) {
- if (test_and_clear_bit(R5_Overlap, &head_sh->dev[i].flags))
- wakeup_nr++;
- }
- while (!list_empty(&head_sh->batch_list)) {
- int i;
- sh = list_first_entry(&head_sh->batch_list,
- struct stripe_head, batch_list);
- list_del_init(&sh->batch_list);
-
- set_mask_bits(&sh->state, ~STRIPE_EXPAND_SYNC_FLAG,
- head_sh->state & ~((1 << STRIPE_ACTIVE) |
- (1 << STRIPE_PREREAD_ACTIVE) |
- STRIPE_EXPAND_SYNC_FLAG));
- sh->check_state = head_sh->check_state;
- sh->reconstruct_state = head_sh->reconstruct_state;
- for (i = 0; i < sh->disks; i++) {
- if (test_and_clear_bit(R5_Overlap, &sh->dev[i].flags))
- wakeup_nr++;
- sh->dev[i].flags = head_sh->dev[i].flags;
- }
-
- spin_lock_irq(&sh->stripe_lock);
- sh->batch_head = NULL;
- spin_unlock_irq(&sh->stripe_lock);
- if (sh->state & STRIPE_EXPAND_SYNC_FLAG)
- set_bit(STRIPE_HANDLE, &sh->state);
- release_stripe(sh);
- }
-
- spin_lock_irq(&head_sh->stripe_lock);
- head_sh->batch_head = NULL;
- spin_unlock_irq(&head_sh->stripe_lock);
- wake_up_nr(&conf->wait_for_overlap, wakeup_nr);
- if (head_sh->state & STRIPE_EXPAND_SYNC_FLAG)
- set_bit(STRIPE_HANDLE, &head_sh->state);
+ if (head_sh->batch_head && do_endio)
+ break_stripe_batch_list(head_sh, STRIPE_EXPAND_SYNC_FLAGS);
}
static void handle_stripe_dirtying(struct r5conf *conf,
@@ -4172,9 +4165,13 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s)
static int clear_batch_ready(struct stripe_head *sh)
{
+ /* Return '1' if this is a member of batch, or
+ * '0' if it is a lone stripe or a head which can now be
+ * handled.
+ */
struct stripe_head *tmp;
if (!test_and_clear_bit(STRIPE_BATCH_READY, &sh->state))
- return 0;
+ return (sh->batch_head && sh->batch_head != sh);
spin_lock(&sh->stripe_lock);
if (!sh->batch_head) {
spin_unlock(&sh->stripe_lock);
@@ -4202,38 +4199,65 @@ static int clear_batch_ready(struct stripe_head *sh)
return 0;
}
-static void check_break_stripe_batch_list(struct stripe_head *sh)
+static void break_stripe_batch_list(struct stripe_head *head_sh,
+ unsigned long handle_flags)
{
- struct stripe_head *head_sh, *next;
+ struct stripe_head *sh, *next;
int i;
-
- if (!test_and_clear_bit(STRIPE_BATCH_ERR, &sh->state))
- return;
-
- head_sh = sh;
+ int do_wakeup = 0;
list_for_each_entry_safe(sh, next, &head_sh->batch_list, batch_list) {
list_del_init(&sh->batch_list);
- set_mask_bits(&sh->state, ~STRIPE_EXPAND_SYNC_FLAG,
- head_sh->state & ~((1 << STRIPE_ACTIVE) |
- (1 << STRIPE_PREREAD_ACTIVE) |
- (1 << STRIPE_DEGRADED) |
- STRIPE_EXPAND_SYNC_FLAG));
+ WARN_ON_ONCE(sh->state & ((1 << STRIPE_ACTIVE) |
+ (1 << STRIPE_SYNCING) |
+ (1 << STRIPE_REPLACED) |
+ (1 << STRIPE_PREREAD_ACTIVE) |
+ (1 << STRIPE_DELAYED) |
+ (1 << STRIPE_BIT_DELAY) |
+ (1 << STRIPE_FULL_WRITE) |
+ (1 << STRIPE_BIOFILL_RUN) |
+ (1 << STRIPE_COMPUTE_RUN) |
+ (1 << STRIPE_OPS_REQ_PENDING) |
+ (1 << STRIPE_DISCARD) |
+ (1 << STRIPE_BATCH_READY) |
+ (1 << STRIPE_BATCH_ERR) |
+ (1 << STRIPE_BITMAP_PENDING)));
+ WARN_ON_ONCE(head_sh->state & ((1 << STRIPE_DISCARD) |
+ (1 << STRIPE_REPLACED)));
+
+ set_mask_bits(&sh->state, ~(STRIPE_EXPAND_SYNC_FLAGS |
+ (1 << STRIPE_DEGRADED)),
+ head_sh->state & (1 << STRIPE_INSYNC));
+
sh->check_state = head_sh->check_state;
sh->reconstruct_state = head_sh->reconstruct_state;
- for (i = 0; i < sh->disks; i++)
+ for (i = 0; i < sh->disks; i++) {
+ if (test_and_clear_bit(R5_Overlap, &sh->dev[i].flags))
+ do_wakeup = 1;
sh->dev[i].flags = head_sh->dev[i].flags &
(~((1 << R5_WriteError) | (1 << R5_Overlap)));
-
+ }
spin_lock_irq(&sh->stripe_lock);
sh->batch_head = NULL;
spin_unlock_irq(&sh->stripe_lock);
-
- set_bit(STRIPE_HANDLE, &sh->state);
+ if (handle_flags == 0 ||
+ sh->state & handle_flags)
+ set_bit(STRIPE_HANDLE, &sh->state);
release_stripe(sh);
}
+ spin_lock_irq(&head_sh->stripe_lock);
+ head_sh->batch_head = NULL;
+ spin_unlock_irq(&head_sh->stripe_lock);
+ for (i = 0; i < head_sh->disks; i++)
+ if (test_and_clear_bit(R5_Overlap, &head_sh->dev[i].flags))
+ do_wakeup = 1;
+ if (head_sh->state & handle_flags)
+ set_bit(STRIPE_HANDLE, &head_sh->state);
+
+ if (do_wakeup)
+ wake_up(&head_sh->raid_conf->wait_for_overlap);
}
static void handle_stripe(struct stripe_head *sh)
@@ -4258,7 +4282,8 @@ static void handle_stripe(struct stripe_head *sh)
return;
}
- check_break_stripe_batch_list(sh);
+ if (test_and_clear_bit(STRIPE_BATCH_ERR, &sh->state))
+ break_stripe_batch_list(sh, 0);
if (test_bit(STRIPE_SYNC_REQUESTED, &sh->state) && !sh->batch_head) {
spin_lock(&sh->stripe_lock);
@@ -4312,6 +4337,7 @@ static void handle_stripe(struct stripe_head *sh)
if (s.failed > conf->max_degraded) {
sh->check_state = 0;
sh->reconstruct_state = 0;
+ break_stripe_batch_list(sh, 0);
if (s.to_read+s.to_write+s.written)
handle_failed_stripe(conf, sh, &s, disks, &s.return_bi);
if (s.syncing + s.replacing)
diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h
index 7dc0dd86074b..896d603ad0da 100644
--- a/drivers/md/raid5.h
+++ b/drivers/md/raid5.h
@@ -337,9 +337,12 @@ enum {
STRIPE_ON_RELEASE_LIST,
STRIPE_BATCH_READY,
STRIPE_BATCH_ERR,
+ STRIPE_BITMAP_PENDING, /* Being added to bitmap, don't add
+ * to batch yet.
+ */
};
-#define STRIPE_EXPAND_SYNC_FLAG \
+#define STRIPE_EXPAND_SYNC_FLAGS \
((1 << STRIPE_EXPAND_SOURCE) |\
(1 << STRIPE_EXPAND_READY) |\
(1 << STRIPE_EXPANDING) |\
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index a6dcbf850c1f..6f9ffb9026cd 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -2358,11 +2358,11 @@ static int be_evt_queues_create(struct be_adapter *adapter)
adapter->cfg_num_qs);
for_all_evt_queues(adapter, eqo, i) {
+ int numa_node = dev_to_node(&adapter->pdev->dev);
if (!zalloc_cpumask_var(&eqo->affinity_mask, GFP_KERNEL))
return -ENOMEM;
- cpumask_set_cpu_local_first(i, dev_to_node(&adapter->pdev->dev),
- eqo->affinity_mask);
-
+ cpumask_set_cpu(cpumask_local_spread(i, numa_node),
+ eqo->affinity_mask);
netif_napi_add(adapter->netdev, &eqo->napi, be_poll,
BE_NAPI_WEIGHT);
napi_hash_add(&eqo->napi);
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 32f5ec737472..cf467a9f6cc7 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -1501,17 +1501,13 @@ static int mlx4_en_init_affinity_hint(struct mlx4_en_priv *priv, int ring_idx)
{
struct mlx4_en_rx_ring *ring = priv->rx_ring[ring_idx];
int numa_node = priv->mdev->dev->numa_node;
- int ret = 0;
if (!zalloc_cpumask_var(&ring->affinity_mask, GFP_KERNEL))
return -ENOMEM;
- ret = cpumask_set_cpu_local_first(ring_idx, numa_node,
- ring->affinity_mask);
- if (ret)
- free_cpumask_var(ring->affinity_mask);
-
- return ret;
+ cpumask_set_cpu(cpumask_local_spread(ring_idx, numa_node),
+ ring->affinity_mask);
+ return 0;
}
static void mlx4_en_free_affinity_hint(struct mlx4_en_priv *priv, int ring_idx)
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
index f7bf312fb443..7bed3a88579f 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
@@ -144,9 +144,9 @@ int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv,
ring->queue_index = queue_index;
if (queue_index < priv->num_tx_rings_p_up)
- cpumask_set_cpu_local_first(queue_index,
- priv->mdev->dev->numa_node,
- &ring->affinity_mask);
+ cpumask_set_cpu(cpumask_local_spread(queue_index,
+ priv->mdev->dev->numa_node),
+ &ring->affinity_mask);
*pring = ring;
return 0;
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 9bb9ad6d4a1b..28f328136f0d 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -2897,7 +2897,7 @@ static ssize_t hotkey_wakeup_reason_show(struct device *dev,
return snprintf(buf, PAGE_SIZE, "%d\n", hotkey_wakeup_reason);
}
-static DEVICE_ATTR_RO(hotkey_wakeup_reason);
+static DEVICE_ATTR(wakeup_reason, S_IRUGO, hotkey_wakeup_reason_show, NULL);
static void hotkey_wakeup_reason_notify_change(void)
{
@@ -2913,7 +2913,8 @@ static ssize_t hotkey_wakeup_hotunplug_complete_show(struct device *dev,
return snprintf(buf, PAGE_SIZE, "%d\n", hotkey_autosleep_ack);
}
-static DEVICE_ATTR_RO(hotkey_wakeup_hotunplug_complete);
+static DEVICE_ATTR(wakeup_hotunplug_complete, S_IRUGO,
+ hotkey_wakeup_hotunplug_complete_show, NULL);
static void hotkey_wakeup_hotunplug_complete_notify_change(void)
{
@@ -2978,8 +2979,8 @@ static struct attribute *hotkey_attributes[] __initdata = {
&dev_attr_hotkey_enable.attr,
&dev_attr_hotkey_bios_enabled.attr,
&dev_attr_hotkey_bios_mask.attr,
- &dev_attr_hotkey_wakeup_reason.attr,
- &dev_attr_hotkey_wakeup_hotunplug_complete.attr,
+ &dev_attr_wakeup_reason.attr,
+ &dev_attr_wakeup_hotunplug_complete.attr,
&dev_attr_hotkey_mask.attr,
&dev_attr_hotkey_all_mask.attr,
&dev_attr_hotkey_recommended_mask.attr,
@@ -4393,12 +4394,13 @@ static ssize_t wan_enable_store(struct device *dev,
attr, buf, count);
}
-static DEVICE_ATTR_RW(wan_enable);
+static DEVICE_ATTR(wwan_enable, S_IWUSR | S_IRUGO,
+ wan_enable_show, wan_enable_store);
/* --------------------------------------------------------------------- */
static struct attribute *wan_attributes[] = {
- &dev_attr_wan_enable.attr,
+ &dev_attr_wwan_enable.attr,
NULL
};
@@ -8138,7 +8140,8 @@ static ssize_t fan_pwm1_enable_store(struct device *dev,
return count;
}
-static DEVICE_ATTR_RW(fan_pwm1_enable);
+static DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO,
+ fan_pwm1_enable_show, fan_pwm1_enable_store);
/* sysfs fan pwm1 ------------------------------------------------------ */
static ssize_t fan_pwm1_show(struct device *dev,
@@ -8198,7 +8201,7 @@ static ssize_t fan_pwm1_store(struct device *dev,
return (rc) ? rc : count;
}
-static DEVICE_ATTR_RW(fan_pwm1);
+static DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, fan_pwm1_show, fan_pwm1_store);
/* sysfs fan fan1_input ------------------------------------------------ */
static ssize_t fan_fan1_input_show(struct device *dev,
@@ -8215,7 +8218,7 @@ static ssize_t fan_fan1_input_show(struct device *dev,
return snprintf(buf, PAGE_SIZE, "%u\n", speed);
}
-static DEVICE_ATTR_RO(fan_fan1_input);
+static DEVICE_ATTR(fan1_input, S_IRUGO, fan_fan1_input_show, NULL);
/* sysfs fan fan2_input ------------------------------------------------ */
static ssize_t fan_fan2_input_show(struct device *dev,
@@ -8232,7 +8235,7 @@ static ssize_t fan_fan2_input_show(struct device *dev,
return snprintf(buf, PAGE_SIZE, "%u\n", speed);
}
-static DEVICE_ATTR_RO(fan_fan2_input);
+static DEVICE_ATTR(fan2_input, S_IRUGO, fan_fan2_input_show, NULL);
/* sysfs fan fan_watchdog (hwmon driver) ------------------------------- */
static ssize_t fan_fan_watchdog_show(struct device_driver *drv,
@@ -8265,8 +8268,8 @@ static DRIVER_ATTR(fan_watchdog, S_IWUSR | S_IRUGO,
/* --------------------------------------------------------------------- */
static struct attribute *fan_attributes[] = {
- &dev_attr_fan_pwm1_enable.attr, &dev_attr_fan_pwm1.attr,
- &dev_attr_fan_fan1_input.attr,
+ &dev_attr_pwm1_enable.attr, &dev_attr_pwm1.attr,
+ &dev_attr_fan1_input.attr,
NULL, /* for fan2_input */
NULL
};
@@ -8400,7 +8403,7 @@ static int __init fan_init(struct ibm_init_struct *iibm)
if (tp_features.second_fan) {
/* attach second fan tachometer */
fan_attributes[ARRAY_SIZE(fan_attributes)-2] =
- &dev_attr_fan_fan2_input.attr;
+ &dev_attr_fan2_input.attr;
}
rc = sysfs_create_group(&tpacpi_sensors_pdev->dev.kobj,
&fan_attr_group);
@@ -8848,7 +8851,7 @@ static ssize_t thinkpad_acpi_pdev_name_show(struct device *dev,
return snprintf(buf, PAGE_SIZE, "%s\n", TPACPI_NAME);
}
-static DEVICE_ATTR_RO(thinkpad_acpi_pdev_name);
+static DEVICE_ATTR(name, S_IRUGO, thinkpad_acpi_pdev_name_show, NULL);
/* --------------------------------------------------------------------- */
@@ -9390,8 +9393,7 @@ static void thinkpad_acpi_module_exit(void)
hwmon_device_unregister(tpacpi_hwmon);
if (tp_features.sensors_pdev_attrs_registered)
- device_remove_file(&tpacpi_sensors_pdev->dev,
- &dev_attr_thinkpad_acpi_pdev_name);
+ device_remove_file(&tpacpi_sensors_pdev->dev, &dev_attr_name);
if (tpacpi_sensors_pdev)
platform_device_unregister(tpacpi_sensors_pdev);
if (tpacpi_pdev)
@@ -9512,8 +9514,7 @@ static int __init thinkpad_acpi_module_init(void)
thinkpad_acpi_module_exit();
return ret;
}
- ret = device_create_file(&tpacpi_sensors_pdev->dev,
- &dev_attr_thinkpad_acpi_pdev_name);
+ ret = device_create_file(&tpacpi_sensors_pdev->dev, &dev_attr_name);
if (ret) {
pr_err("unable to create sysfs hwmon device attributes\n");
thinkpad_acpi_module_exit();
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
index 68c2002e78bf..5c9e680aa375 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
@@ -1020,8 +1020,7 @@ static void tcm_qla2xxx_depend_tpg(struct work_struct *work)
struct se_portal_group *se_tpg = &base_tpg->se_tpg;
struct scsi_qla_host *base_vha = base_tpg->lport->qla_vha;
- if (!configfs_depend_item(se_tpg->se_tpg_tfo->tf_subsys,
- &se_tpg->tpg_group.cg_item)) {
+ if (!target_depend_item(&se_tpg->tpg_group.cg_item)) {
atomic_set(&base_tpg->lport_tpg_enabled, 1);
qlt_enable_vha(base_vha);
}
@@ -1037,8 +1036,7 @@ static void tcm_qla2xxx_undepend_tpg(struct work_struct *work)
if (!qlt_stop_phase1(base_vha->vha_tgt.qla_tgt)) {
atomic_set(&base_tpg->lport_tpg_enabled, 0);
- configfs_undepend_item(se_tpg->se_tpg_tfo->tf_subsys,
- &se_tpg->tpg_group.cg_item);
+ target_undepend_item(&se_tpg->tpg_group.cg_item);
}
complete(&base_tpg->tpg_base_comp);
}
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 34871a628b11..74e6114ff18f 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -230,7 +230,7 @@ int iscsit_access_np(struct iscsi_np *np, struct iscsi_portal_group *tpg)
* Here we serialize access across the TIQN+TPG Tuple.
*/
ret = down_interruptible(&tpg->np_login_sem);
- if ((ret != 0) || signal_pending(current))
+ if (ret != 0)
return -1;
spin_lock_bh(&tpg->tpg_state_lock);
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index 8ce94ff744e6..70d799dfab03 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -346,6 +346,7 @@ static int iscsi_login_zero_tsih_s1(
if (IS_ERR(sess->se_sess)) {
iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
ISCSI_LOGIN_STATUS_NO_RESOURCES);
+ kfree(sess->sess_ops);
kfree(sess);
return -ENOMEM;
}
diff --git a/drivers/target/iscsi/iscsi_target_tpg.c b/drivers/target/iscsi/iscsi_target_tpg.c
index e8a240818353..5e3295fe404d 100644
--- a/drivers/target/iscsi/iscsi_target_tpg.c
+++ b/drivers/target/iscsi/iscsi_target_tpg.c
@@ -161,10 +161,7 @@ struct iscsi_portal_group *iscsit_get_tpg_from_np(
int iscsit_get_tpg(
struct iscsi_portal_group *tpg)
{
- int ret;
-
- ret = mutex_lock_interruptible(&tpg->tpg_access_lock);
- return ((ret != 0) || signal_pending(current)) ? -1 : 0;
+ return mutex_lock_interruptible(&tpg->tpg_access_lock);
}
void iscsit_put_tpg(struct iscsi_portal_group *tpg)
diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c
index 75cbde1f7c5b..4f8d4d459aa4 100644
--- a/drivers/target/target_core_alua.c
+++ b/drivers/target/target_core_alua.c
@@ -704,7 +704,7 @@ target_alua_state_check(struct se_cmd *cmd)
if (dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE)
return 0;
- if (dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV)
+ if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH)
return 0;
if (!port)
@@ -2377,7 +2377,7 @@ ssize_t core_alua_store_secondary_write_metadata(
int core_setup_alua(struct se_device *dev)
{
- if (dev->transport->transport_type != TRANSPORT_PLUGIN_PHBA_PDEV &&
+ if (!(dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH) &&
!(dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE)) {
struct t10_alua_lu_gp_member *lu_gp_mem;
diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c
index ddaf76a4ac2a..e7b0430a0575 100644
--- a/drivers/target/target_core_configfs.c
+++ b/drivers/target/target_core_configfs.c
@@ -212,10 +212,6 @@ static struct config_group *target_core_register_fabric(
pr_debug("Target_Core_ConfigFS: REGISTER -> Allocated Fabric:"
" %s\n", tf->tf_group.cg_item.ci_name);
- /*
- * Setup tf_ops.tf_subsys pointer for usage with configfs_depend_item()
- */
- tf->tf_ops.tf_subsys = tf->tf_subsys;
tf->tf_fabric = &tf->tf_group.cg_item;
pr_debug("Target_Core_ConfigFS: REGISTER -> Set tf->tf_fabric"
" for %s\n", name);
@@ -291,10 +287,17 @@ static struct configfs_subsystem target_core_fabrics = {
},
};
-struct configfs_subsystem *target_core_subsystem[] = {
- &target_core_fabrics,
- NULL,
-};
+int target_depend_item(struct config_item *item)
+{
+ return configfs_depend_item(&target_core_fabrics, item);
+}
+EXPORT_SYMBOL(target_depend_item);
+
+void target_undepend_item(struct config_item *item)
+{
+ return configfs_undepend_item(&target_core_fabrics, item);
+}
+EXPORT_SYMBOL(target_undepend_item);
/*##############################################################################
// Start functions called by external Target Fabrics Modules
@@ -467,7 +470,6 @@ int target_register_template(const struct target_core_fabric_ops *fo)
* struct target_fabric_configfs->tf_cit_tmpl
*/
tf->tf_module = fo->module;
- tf->tf_subsys = target_core_subsystem[0];
snprintf(tf->tf_name, TARGET_FABRIC_NAME_SIZE, "%s", fo->name);
tf->tf_ops = *fo;
@@ -809,7 +811,7 @@ static ssize_t target_core_dev_pr_show_attr_res_holder(struct se_device *dev,
{
int ret;
- if (dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV)
+ if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH)
return sprintf(page, "Passthrough\n");
spin_lock(&dev->dev_reservation_lock);
@@ -960,7 +962,7 @@ SE_DEV_PR_ATTR_RO(res_pr_type);
static ssize_t target_core_dev_pr_show_attr_res_type(
struct se_device *dev, char *page)
{
- if (dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV)
+ if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH)
return sprintf(page, "SPC_PASSTHROUGH\n");
else if (dev->dev_reservation_flags & DRF_SPC2_RESERVATIONS)
return sprintf(page, "SPC2_RESERVATIONS\n");
@@ -973,7 +975,7 @@ SE_DEV_PR_ATTR_RO(res_type);
static ssize_t target_core_dev_pr_show_attr_res_aptpl_active(
struct se_device *dev, char *page)
{
- if (dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV)
+ if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH)
return 0;
return sprintf(page, "APTPL Bit Status: %s\n",
@@ -988,7 +990,7 @@ SE_DEV_PR_ATTR_RO(res_aptpl_active);
static ssize_t target_core_dev_pr_show_attr_res_aptpl_metadata(
struct se_device *dev, char *page)
{
- if (dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV)
+ if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH)
return 0;
return sprintf(page, "Ready to process PR APTPL metadata..\n");
@@ -1035,7 +1037,7 @@ static ssize_t target_core_dev_pr_store_attr_res_aptpl_metadata(
u16 port_rpti = 0, tpgt = 0;
u8 type = 0, scope;
- if (dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV)
+ if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH)
return 0;
if (dev->dev_reservation_flags & DRF_SPC2_RESERVATIONS)
return 0;
@@ -2870,7 +2872,7 @@ static int __init target_core_init_configfs(void)
{
struct config_group *target_cg, *hba_cg = NULL, *alua_cg = NULL;
struct config_group *lu_gp_cg = NULL;
- struct configfs_subsystem *subsys;
+ struct configfs_subsystem *subsys = &target_core_fabrics;
struct t10_alua_lu_gp *lu_gp;
int ret;
@@ -2878,7 +2880,6 @@ static int __init target_core_init_configfs(void)
" Engine: %s on %s/%s on "UTS_RELEASE"\n",
TARGET_CORE_VERSION, utsname()->sysname, utsname()->machine);
- subsys = target_core_subsystem[0];
config_group_init(&subsys->su_group);
mutex_init(&subsys->su_mutex);
@@ -3008,13 +3009,10 @@ out_global:
static void __exit target_core_exit_configfs(void)
{
- struct configfs_subsystem *subsys;
struct config_group *hba_cg, *alua_cg, *lu_gp_cg;
struct config_item *item;
int i;
- subsys = target_core_subsystem[0];
-
lu_gp_cg = &alua_lu_gps_group;
for (i = 0; lu_gp_cg->default_groups[i]; i++) {
item = &lu_gp_cg->default_groups[i]->cg_item;
@@ -3045,8 +3043,8 @@ static void __exit target_core_exit_configfs(void)
* We expect subsys->su_group.default_groups to be released
* by configfs subsystem provider logic..
*/
- configfs_unregister_subsystem(subsys);
- kfree(subsys->su_group.default_groups);
+ configfs_unregister_subsystem(&target_core_fabrics);
+ kfree(target_core_fabrics.su_group.default_groups);
core_alua_free_lu_gp(default_lu_gp);
default_lu_gp = NULL;
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index 7faa6aef9a4d..ce5f768181ff 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -33,6 +33,7 @@
#include <linux/kthread.h>
#include <linux/in.h>
#include <linux/export.h>
+#include <asm/unaligned.h>
#include <net/sock.h>
#include <net/tcp.h>
#include <scsi/scsi.h>
@@ -527,7 +528,7 @@ static void core_export_port(
list_add_tail(&port->sep_list, &dev->dev_sep_list);
spin_unlock(&dev->se_port_lock);
- if (dev->transport->transport_type != TRANSPORT_PLUGIN_PHBA_PDEV &&
+ if (!(dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH) &&
!(dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE)) {
tg_pt_gp_mem = core_alua_allocate_tg_pt_gp_mem(port);
if (IS_ERR(tg_pt_gp_mem) || !tg_pt_gp_mem) {
@@ -1603,7 +1604,7 @@ int target_configure_device(struct se_device *dev)
* anything virtual (IBLOCK, FILEIO, RAMDISK), but not for TCM/pSCSI
* passthrough because this is being provided by the backend LLD.
*/
- if (dev->transport->transport_type != TRANSPORT_PLUGIN_PHBA_PDEV) {
+ if (!(dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH)) {
strncpy(&dev->t10_wwn.vendor[0], "LIO-ORG", 8);
strncpy(&dev->t10_wwn.model[0],
dev->transport->inquiry_prod, 16);
@@ -1707,3 +1708,76 @@ void core_dev_release_virtual_lun0(void)
target_free_device(g_lun0_dev);
core_delete_hba(hba);
}
+
+/*
+ * Common CDB parsing for kernel and user passthrough.
+ */
+sense_reason_t
+passthrough_parse_cdb(struct se_cmd *cmd,
+ sense_reason_t (*exec_cmd)(struct se_cmd *cmd))
+{
+ unsigned char *cdb = cmd->t_task_cdb;
+
+ /*
+ * Clear a lun set in the cdb if the initiator talking to use spoke
+ * and old standards version, as we can't assume the underlying device
+ * won't choke up on it.
+ */
+ switch (cdb[0]) {
+ case READ_10: /* SBC - RDProtect */
+ case READ_12: /* SBC - RDProtect */
+ case READ_16: /* SBC - RDProtect */
+ case SEND_DIAGNOSTIC: /* SPC - SELF-TEST Code */
+ case VERIFY: /* SBC - VRProtect */
+ case VERIFY_16: /* SBC - VRProtect */
+ case WRITE_VERIFY: /* SBC - VRProtect */
+ case WRITE_VERIFY_12: /* SBC - VRProtect */
+ case MAINTENANCE_IN: /* SPC - Parameter Data Format for SA RTPG */
+ break;
+ default:
+ cdb[1] &= 0x1f; /* clear logical unit number */
+ break;
+ }
+
+ /*
+ * For REPORT LUNS we always need to emulate the response, for everything
+ * else, pass it up.
+ */
+ if (cdb[0] == REPORT_LUNS) {
+ cmd->execute_cmd = spc_emulate_report_luns;
+ return TCM_NO_SENSE;
+ }
+
+ /* Set DATA_CDB flag for ops that should have it */
+ switch (cdb[0]) {
+ case READ_6:
+ case READ_10:
+ case READ_12:
+ case READ_16:
+ case WRITE_6:
+ case WRITE_10:
+ case WRITE_12:
+ case WRITE_16:
+ case WRITE_VERIFY:
+ case WRITE_VERIFY_12:
+ case 0x8e: /* WRITE_VERIFY_16 */
+ case COMPARE_AND_WRITE:
+ case XDWRITEREAD_10:
+ cmd->se_cmd_flags |= SCF_SCSI_DATA_CDB;
+ break;
+ case VARIABLE_LENGTH_CMD:
+ switch (get_unaligned_be16(&cdb[8])) {
+ case READ_32:
+ case WRITE_32:
+ case 0x0c: /* WRITE_VERIFY_32 */
+ case XDWRITEREAD_32:
+ cmd->se_cmd_flags |= SCF_SCSI_DATA_CDB;
+ break;
+ }
+ }
+
+ cmd->execute_cmd = exec_cmd;
+
+ return TCM_NO_SENSE;
+}
+EXPORT_SYMBOL(passthrough_parse_cdb);
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index f7e6e51aed36..3f27bfd816d8 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -958,7 +958,6 @@ static struct se_subsystem_api fileio_template = {
.inquiry_prod = "FILEIO",
.inquiry_rev = FD_VERSION,
.owner = THIS_MODULE,
- .transport_type = TRANSPORT_PLUGIN_VHBA_PDEV,
.attach_hba = fd_attach_hba,
.detach_hba = fd_detach_hba,
.alloc_device = fd_alloc_device,
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index 1b7947c2510f..8c965683789f 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -904,7 +904,6 @@ static struct se_subsystem_api iblock_template = {
.inquiry_prod = "IBLOCK",
.inquiry_rev = IBLOCK_VERSION,
.owner = THIS_MODULE,
- .transport_type = TRANSPORT_PLUGIN_VHBA_PDEV,
.attach_hba = iblock_attach_hba,
.detach_hba = iblock_detach_hba,
.alloc_device = iblock_alloc_device,
diff --git a/drivers/target/target_core_internal.h b/drivers/target/target_core_internal.h
index 874a9bc988d8..68bd7f5d9f73 100644
--- a/drivers/target/target_core_internal.h
+++ b/drivers/target/target_core_internal.h
@@ -4,9 +4,6 @@
/* target_core_alua.c */
extern struct t10_alua_lu_gp *default_lu_gp;
-/* target_core_configfs.c */
-extern struct configfs_subsystem *target_core_subsystem[];
-
/* target_core_device.c */
extern struct mutex g_device_mutex;
extern struct list_head g_device_list;
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index c1aa9655e96e..a15411c79ae9 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -1367,41 +1367,26 @@ void core_scsi3_free_all_registrations(
static int core_scsi3_tpg_depend_item(struct se_portal_group *tpg)
{
- return configfs_depend_item(tpg->se_tpg_tfo->tf_subsys,
- &tpg->tpg_group.cg_item);
+ return target_depend_item(&tpg->tpg_group.cg_item);
}
static void core_scsi3_tpg_undepend_item(struct se_portal_group *tpg)
{
- configfs_undepend_item(tpg->se_tpg_tfo->tf_subsys,
- &tpg->tpg_group.cg_item);
-
+ target_undepend_item(&tpg->tpg_group.cg_item);
atomic_dec_mb(&tpg->tpg_pr_ref_count);
}
static int core_scsi3_nodeacl_depend_item(struct se_node_acl *nacl)
{
- struct se_portal_group *tpg = nacl->se_tpg;
-
if (nacl->dynamic_node_acl)
return 0;
-
- return configfs_depend_item(tpg->se_tpg_tfo->tf_subsys,
- &nacl->acl_group.cg_item);
+ return target_depend_item(&nacl->acl_group.cg_item);
}
static void core_scsi3_nodeacl_undepend_item(struct se_node_acl *nacl)
{
- struct se_portal_group *tpg = nacl->se_tpg;
-
- if (nacl->dynamic_node_acl) {
- atomic_dec_mb(&nacl->acl_pr_ref_count);
- return;
- }
-
- configfs_undepend_item(tpg->se_tpg_tfo->tf_subsys,
- &nacl->acl_group.cg_item);
-
+ if (!nacl->dynamic_node_acl)
+ target_undepend_item(&nacl->acl_group.cg_item);
atomic_dec_mb(&nacl->acl_pr_ref_count);
}
@@ -1419,8 +1404,7 @@ static int core_scsi3_lunacl_depend_item(struct se_dev_entry *se_deve)
nacl = lun_acl->se_lun_nacl;
tpg = nacl->se_tpg;
- return configfs_depend_item(tpg->se_tpg_tfo->tf_subsys,
- &lun_acl->se_lun_group.cg_item);
+ return target_depend_item(&lun_acl->se_lun_group.cg_item);
}
static void core_scsi3_lunacl_undepend_item(struct se_dev_entry *se_deve)
@@ -1438,9 +1422,7 @@ static void core_scsi3_lunacl_undepend_item(struct se_dev_entry *se_deve)
nacl = lun_acl->se_lun_nacl;
tpg = nacl->se_tpg;
- configfs_undepend_item(tpg->se_tpg_tfo->tf_subsys,
- &lun_acl->se_lun_group.cg_item);
-
+ target_undepend_item(&lun_acl->se_lun_group.cg_item);
atomic_dec_mb(&se_deve->pr_ref_count);
}
@@ -4111,7 +4093,7 @@ target_check_reservation(struct se_cmd *cmd)
return 0;
if (dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE)
return 0;
- if (dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV)
+ if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH)
return 0;
spin_lock(&dev->dev_reservation_lock);
diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c
index f6c954c4635f..ecc5eaef13d6 100644
--- a/drivers/target/target_core_pscsi.c
+++ b/drivers/target/target_core_pscsi.c
@@ -521,6 +521,7 @@ static int pscsi_configure_device(struct se_device *dev)
" pdv_host_id: %d\n", pdv->pdv_host_id);
return -EINVAL;
}
+ pdv->pdv_lld_host = sh;
}
} else {
if (phv->phv_mode == PHV_VIRTUAL_HOST_ID) {
@@ -603,6 +604,8 @@ static void pscsi_free_device(struct se_device *dev)
if ((phv->phv_mode == PHV_LLD_SCSI_HOST_NO) &&
(phv->phv_lld_host != NULL))
scsi_host_put(phv->phv_lld_host);
+ else if (pdv->pdv_lld_host)
+ scsi_host_put(pdv->pdv_lld_host);
if ((sd->type == TYPE_DISK) || (sd->type == TYPE_ROM))
scsi_device_put(sd);
@@ -970,64 +973,13 @@ fail:
return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
}
-/*
- * Clear a lun set in the cdb if the initiator talking to use spoke
- * and old standards version, as we can't assume the underlying device
- * won't choke up on it.
- */
-static inline void pscsi_clear_cdb_lun(unsigned char *cdb)
-{
- switch (cdb[0]) {
- case READ_10: /* SBC - RDProtect */
- case READ_12: /* SBC - RDProtect */
- case READ_16: /* SBC - RDProtect */
- case SEND_DIAGNOSTIC: /* SPC - SELF-TEST Code */
- case VERIFY: /* SBC - VRProtect */
- case VERIFY_16: /* SBC - VRProtect */
- case WRITE_VERIFY: /* SBC - VRProtect */
- case WRITE_VERIFY_12: /* SBC - VRProtect */
- case MAINTENANCE_IN: /* SPC - Parameter Data Format for SA RTPG */
- break;
- default:
- cdb[1] &= 0x1f; /* clear logical unit number */
- break;
- }
-}
-
static sense_reason_t
pscsi_parse_cdb(struct se_cmd *cmd)
{
- unsigned char *cdb = cmd->t_task_cdb;
-
if (cmd->se_cmd_flags & SCF_BIDI)
return TCM_UNSUPPORTED_SCSI_OPCODE;
- pscsi_clear_cdb_lun(cdb);
-
- /*
- * For REPORT LUNS we always need to emulate the response, for everything
- * else the default for pSCSI is to pass the command to the underlying
- * LLD / physical hardware.
- */
- switch (cdb[0]) {
- case REPORT_LUNS:
- cmd->execute_cmd = spc_emulate_report_luns;
- return 0;
- case READ_6:
- case READ_10:
- case READ_12:
- case READ_16:
- case WRITE_6:
- case WRITE_10:
- case WRITE_12:
- case WRITE_16:
- case WRITE_VERIFY:
- cmd->se_cmd_flags |= SCF_SCSI_DATA_CDB;
- /* FALLTHROUGH*/
- default:
- cmd->execute_cmd = pscsi_execute_cmd;
- return 0;
- }
+ return passthrough_parse_cdb(cmd, pscsi_execute_cmd);
}
static sense_reason_t
@@ -1189,7 +1141,7 @@ static struct configfs_attribute *pscsi_backend_dev_attrs[] = {
static struct se_subsystem_api pscsi_template = {
.name = "pscsi",
.owner = THIS_MODULE,
- .transport_type = TRANSPORT_PLUGIN_PHBA_PDEV,
+ .transport_flags = TRANSPORT_FLAG_PASSTHROUGH,
.attach_hba = pscsi_attach_hba,
.detach_hba = pscsi_detach_hba,
.pmode_enable_hba = pscsi_pmode_enable_hba,
diff --git a/drivers/target/target_core_pscsi.h b/drivers/target/target_core_pscsi.h
index 1bd757dff8ee..820d3052b775 100644
--- a/drivers/target/target_core_pscsi.h
+++ b/drivers/target/target_core_pscsi.h
@@ -45,6 +45,7 @@ struct pscsi_dev_virt {
int pdv_lun_id;
struct block_device *pdv_bd;
struct scsi_device *pdv_sd;
+ struct Scsi_Host *pdv_lld_host;
} ____cacheline_aligned;
typedef enum phv_modes {
diff --git a/drivers/target/target_core_rd.c b/drivers/target/target_core_rd.c
index a263bf5fab8d..d16489b6a1a4 100644
--- a/drivers/target/target_core_rd.c
+++ b/drivers/target/target_core_rd.c
@@ -733,7 +733,6 @@ static struct se_subsystem_api rd_mcp_template = {
.name = "rd_mcp",
.inquiry_prod = "RAMDISK-MCP",
.inquiry_rev = RD_MCP_VERSION,
- .transport_type = TRANSPORT_PLUGIN_VHBA_VDEV,
.attach_hba = rd_attach_hba,
.detach_hba = rd_detach_hba,
.alloc_device = rd_alloc_device,
diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c
index 8855781ac653..733824e3825f 100644
--- a/drivers/target/target_core_sbc.c
+++ b/drivers/target/target_core_sbc.c
@@ -568,7 +568,7 @@ sbc_compare_and_write(struct se_cmd *cmd)
* comparision using SGLs at cmd->t_bidi_data_sg..
*/
rc = down_interruptible(&dev->caw_sem);
- if ((rc != 0) || signal_pending(current)) {
+ if (rc != 0) {
cmd->transport_complete_callback = NULL;
return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
}
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 3fe5cb240b6f..675f2d9d1f14 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -1196,7 +1196,7 @@ transport_check_alloc_task_attr(struct se_cmd *cmd)
* Check if SAM Task Attribute emulation is enabled for this
* struct se_device storage object
*/
- if (dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV)
+ if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH)
return 0;
if (cmd->sam_task_attr == TCM_ACA_TAG) {
@@ -1770,7 +1770,7 @@ static int target_write_prot_action(struct se_cmd *cmd)
sectors, 0, NULL, 0);
if (unlikely(cmd->pi_err)) {
spin_lock_irq(&cmd->t_state_lock);
- cmd->transport_state &= ~CMD_T_BUSY|CMD_T_SENT;
+ cmd->transport_state &= ~(CMD_T_BUSY|CMD_T_SENT);
spin_unlock_irq(&cmd->t_state_lock);
transport_generic_request_failure(cmd, cmd->pi_err);
return -1;
@@ -1787,7 +1787,7 @@ static bool target_handle_task_attr(struct se_cmd *cmd)
{
struct se_device *dev = cmd->se_dev;
- if (dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV)
+ if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH)
return false;
/*
@@ -1868,7 +1868,7 @@ void target_execute_cmd(struct se_cmd *cmd)
if (target_handle_task_attr(cmd)) {
spin_lock_irq(&cmd->t_state_lock);
- cmd->transport_state &= ~CMD_T_BUSY|CMD_T_SENT;
+ cmd->transport_state &= ~(CMD_T_BUSY | CMD_T_SENT);
spin_unlock_irq(&cmd->t_state_lock);
return;
}
@@ -1912,7 +1912,7 @@ static void transport_complete_task_attr(struct se_cmd *cmd)
{
struct se_device *dev = cmd->se_dev;
- if (dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV)
+ if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH)
return;
if (cmd->sam_task_attr == TCM_SIMPLE_TAG) {
@@ -1957,8 +1957,7 @@ static void transport_complete_qf(struct se_cmd *cmd)
case DMA_TO_DEVICE:
if (cmd->se_cmd_flags & SCF_BIDI) {
ret = cmd->se_tfo->queue_data_in(cmd);
- if (ret < 0)
- break;
+ break;
}
/* Fall through for DMA_TO_DEVICE */
case DMA_NONE:
diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c
index dbc872a6c981..07d2996d8c1f 100644
--- a/drivers/target/target_core_user.c
+++ b/drivers/target/target_core_user.c
@@ -71,13 +71,6 @@ struct tcmu_hba {
u32 host_id;
};
-/* User wants all cmds or just some */
-enum passthru_level {
- TCMU_PASS_ALL = 0,
- TCMU_PASS_IO,
- TCMU_PASS_INVALID,
-};
-
#define TCMU_CONFIG_LEN 256
struct tcmu_dev {
@@ -89,7 +82,6 @@ struct tcmu_dev {
#define TCMU_DEV_BIT_OPEN 0
#define TCMU_DEV_BIT_BROKEN 1
unsigned long flags;
- enum passthru_level pass_level;
struct uio_info uio_info;
@@ -683,8 +675,6 @@ static struct se_device *tcmu_alloc_device(struct se_hba *hba, const char *name)
setup_timer(&udev->timeout, tcmu_device_timedout,
(unsigned long)udev);
- udev->pass_level = TCMU_PASS_ALL;
-
return &udev->se_dev;
}
@@ -948,13 +938,13 @@ static void tcmu_free_device(struct se_device *dev)
}
enum {
- Opt_dev_config, Opt_dev_size, Opt_err, Opt_pass_level,
+ Opt_dev_config, Opt_dev_size, Opt_hw_block_size, Opt_err,
};
static match_table_t tokens = {
{Opt_dev_config, "dev_config=%s"},
{Opt_dev_size, "dev_size=%u"},
- {Opt_pass_level, "pass_level=%u"},
+ {Opt_hw_block_size, "hw_block_size=%u"},
{Opt_err, NULL}
};
@@ -965,7 +955,7 @@ static ssize_t tcmu_set_configfs_dev_params(struct se_device *dev,
char *orig, *ptr, *opts, *arg_p;
substring_t args[MAX_OPT_ARGS];
int ret = 0, token;
- int arg;
+ unsigned long tmp_ul;
opts = kstrdup(page, GFP_KERNEL);
if (!opts)
@@ -998,15 +988,23 @@ static ssize_t tcmu_set_configfs_dev_params(struct se_device *dev,
if (ret < 0)
pr_err("kstrtoul() failed for dev_size=\n");
break;
- case Opt_pass_level:
- match_int(args, &arg);
- if (arg >= TCMU_PASS_INVALID) {
- pr_warn("TCMU: Invalid pass_level: %d\n", arg);
+ case Opt_hw_block_size:
+ arg_p = match_strdup(&args[0]);
+ if (!arg_p) {
+ ret = -ENOMEM;
break;
}
-
- pr_debug("TCMU: Setting pass_level to %d\n", arg);
- udev->pass_level = arg;
+ ret = kstrtoul(arg_p, 0, &tmp_ul);
+ kfree(arg_p);
+ if (ret < 0) {
+ pr_err("kstrtoul() failed for hw_block_size=\n");
+ break;
+ }
+ if (!tmp_ul) {
+ pr_err("hw_block_size must be nonzero\n");
+ break;
+ }
+ dev->dev_attrib.hw_block_size = tmp_ul;
break;
default:
break;
@@ -1024,8 +1022,7 @@ static ssize_t tcmu_show_configfs_dev_params(struct se_device *dev, char *b)
bl = sprintf(b + bl, "Config: %s ",
udev->dev_config[0] ? udev->dev_config : "NULL");
- bl += sprintf(b + bl, "Size: %zu PassLevel: %u\n",
- udev->dev_size, udev->pass_level);
+ bl += sprintf(b + bl, "Size: %zu\n", udev->dev_size);
return bl;
}
@@ -1039,20 +1036,6 @@ static sector_t tcmu_get_blocks(struct se_device *dev)
}
static sense_reason_t
-tcmu_execute_rw(struct se_cmd *se_cmd, struct scatterlist *sgl, u32 sgl_nents,
- enum dma_data_direction data_direction)
-{
- int ret;
-
- ret = tcmu_queue_cmd(se_cmd);
-
- if (ret != 0)
- return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
- else
- return TCM_NO_SENSE;
-}
-
-static sense_reason_t
tcmu_pass_op(struct se_cmd *se_cmd)
{
int ret = tcmu_queue_cmd(se_cmd);
@@ -1063,91 +1046,29 @@ tcmu_pass_op(struct se_cmd *se_cmd)
return TCM_NO_SENSE;
}
-static struct sbc_ops tcmu_sbc_ops = {
- .execute_rw = tcmu_execute_rw,
- .execute_sync_cache = tcmu_pass_op,
- .execute_write_same = tcmu_pass_op,
- .execute_write_same_unmap = tcmu_pass_op,
- .execute_unmap = tcmu_pass_op,
-};
-
static sense_reason_t
tcmu_parse_cdb(struct se_cmd *cmd)
{
- unsigned char *cdb = cmd->t_task_cdb;
- struct tcmu_dev *udev = TCMU_DEV(cmd->se_dev);
- sense_reason_t ret;
-
- switch (udev->pass_level) {
- case TCMU_PASS_ALL:
- /* We're just like pscsi, then */
- /*
- * For REPORT LUNS we always need to emulate the response, for everything
- * else, pass it up.
- */
- switch (cdb[0]) {
- case REPORT_LUNS:
- cmd->execute_cmd = spc_emulate_report_luns;
- break;
- case READ_6:
- case READ_10:
- case READ_12:
- case READ_16:
- case WRITE_6:
- case WRITE_10:
- case WRITE_12:
- case WRITE_16:
- case WRITE_VERIFY:
- cmd->se_cmd_flags |= SCF_SCSI_DATA_CDB;
- /* FALLTHROUGH */
- default:
- cmd->execute_cmd = tcmu_pass_op;
- }
- ret = TCM_NO_SENSE;
- break;
- case TCMU_PASS_IO:
- ret = sbc_parse_cdb(cmd, &tcmu_sbc_ops);
- break;
- default:
- pr_err("Unknown tcm-user pass level %d\n", udev->pass_level);
- ret = TCM_CHECK_CONDITION_ABORT_CMD;
- }
-
- return ret;
+ return passthrough_parse_cdb(cmd, tcmu_pass_op);
}
-DEF_TB_DEFAULT_ATTRIBS(tcmu);
+DEF_TB_DEV_ATTRIB_RO(tcmu, hw_pi_prot_type);
+TB_DEV_ATTR_RO(tcmu, hw_pi_prot_type);
+
+DEF_TB_DEV_ATTRIB_RO(tcmu, hw_block_size);
+TB_DEV_ATTR_RO(tcmu, hw_block_size);
+
+DEF_TB_DEV_ATTRIB_RO(tcmu, hw_max_sectors);
+TB_DEV_ATTR_RO(tcmu, hw_max_sectors);
+
+DEF_TB_DEV_ATTRIB_RO(tcmu, hw_queue_depth);
+TB_DEV_ATTR_RO(tcmu, hw_queue_depth);
static struct configfs_attribute *tcmu_backend_dev_attrs[] = {
- &tcmu_dev_attrib_emulate_model_alias.attr,
- &tcmu_dev_attrib_emulate_dpo.attr,
- &tcmu_dev_attrib_emulate_fua_write.attr,
- &tcmu_dev_attrib_emulate_fua_read.attr,
- &tcmu_dev_attrib_emulate_write_cache.attr,
- &tcmu_dev_attrib_emulate_ua_intlck_ctrl.attr,
- &tcmu_dev_attrib_emulate_tas.attr,
- &tcmu_dev_attrib_emulate_tpu.attr,
- &tcmu_dev_attrib_emulate_tpws.attr,
- &tcmu_dev_attrib_emulate_caw.attr,
- &tcmu_dev_attrib_emulate_3pc.attr,
- &tcmu_dev_attrib_pi_prot_type.attr,
&tcmu_dev_attrib_hw_pi_prot_type.attr,
- &tcmu_dev_attrib_pi_prot_format.attr,
- &tcmu_dev_attrib_enforce_pr_isids.attr,
- &tcmu_dev_attrib_is_nonrot.attr,
- &tcmu_dev_attrib_emulate_rest_reord.attr,
- &tcmu_dev_attrib_force_pr_aptpl.attr,
&tcmu_dev_attrib_hw_block_size.attr,
- &tcmu_dev_attrib_block_size.attr,
&tcmu_dev_attrib_hw_max_sectors.attr,
- &tcmu_dev_attrib_optimal_sectors.attr,
&tcmu_dev_attrib_hw_queue_depth.attr,
- &tcmu_dev_attrib_queue_depth.attr,
- &tcmu_dev_attrib_max_unmap_lba_count.attr,
- &tcmu_dev_attrib_max_unmap_block_desc_count.attr,
- &tcmu_dev_attrib_unmap_granularity.attr,
- &tcmu_dev_attrib_unmap_granularity_alignment.attr,
- &tcmu_dev_attrib_max_write_same_len.attr,
NULL,
};
@@ -1156,7 +1077,7 @@ static struct se_subsystem_api tcmu_template = {
.inquiry_prod = "USER",
.inquiry_rev = TCMU_VERSION,
.owner = THIS_MODULE,
- .transport_type = TRANSPORT_PLUGIN_VHBA_PDEV,
+ .transport_flags = TRANSPORT_FLAG_PASSTHROUGH,
.attach_hba = tcmu_attach_hba,
.detach_hba = tcmu_detach_hba,
.alloc_device = tcmu_alloc_device,
diff --git a/drivers/target/target_core_xcopy.c b/drivers/target/target_core_xcopy.c
index a600ff15dcfd..8fd680ac941b 100644
--- a/drivers/target/target_core_xcopy.c
+++ b/drivers/target/target_core_xcopy.c
@@ -58,7 +58,6 @@ static int target_xcopy_locate_se_dev_e4(struct se_cmd *se_cmd, struct xcopy_op
bool src)
{
struct se_device *se_dev;
- struct configfs_subsystem *subsys = target_core_subsystem[0];
unsigned char tmp_dev_wwn[XCOPY_NAA_IEEE_REGEX_LEN], *dev_wwn;
int rc;
@@ -90,8 +89,7 @@ static int target_xcopy_locate_se_dev_e4(struct se_cmd *se_cmd, struct xcopy_op
" se_dev\n", xop->src_dev);
}
- rc = configfs_depend_item(subsys,
- &se_dev->dev_group.cg_item);
+ rc = target_depend_item(&se_dev->dev_group.cg_item);
if (rc != 0) {
pr_err("configfs_depend_item attempt failed:"
" %d for se_dev: %p\n", rc, se_dev);
@@ -99,8 +97,8 @@ static int target_xcopy_locate_se_dev_e4(struct se_cmd *se_cmd, struct xcopy_op
return rc;
}
- pr_debug("Called configfs_depend_item for subsys: %p se_dev: %p"
- " se_dev->se_dev_group: %p\n", subsys, se_dev,
+ pr_debug("Called configfs_depend_item for se_dev: %p"
+ " se_dev->se_dev_group: %p\n", se_dev,
&se_dev->dev_group);
mutex_unlock(&g_device_mutex);
@@ -373,7 +371,6 @@ static int xcopy_pt_get_cmd_state(struct se_cmd *se_cmd)
static void xcopy_pt_undepend_remotedev(struct xcopy_op *xop)
{
- struct configfs_subsystem *subsys = target_core_subsystem[0];
struct se_device *remote_dev;
if (xop->op_origin == XCOL_SOURCE_RECV_OP)
@@ -381,11 +378,11 @@ static void xcopy_pt_undepend_remotedev(struct xcopy_op *xop)
else
remote_dev = xop->src_dev;
- pr_debug("Calling configfs_undepend_item for subsys: %p"
+ pr_debug("Calling configfs_undepend_item for"
" remote_dev: %p remote_dev->dev_group: %p\n",
- subsys, remote_dev, &remote_dev->dev_group.cg_item);
+ remote_dev, &remote_dev->dev_group.cg_item);
- configfs_undepend_item(subsys, &remote_dev->dev_group.cg_item);
+ target_undepend_item(&remote_dev->dev_group.cg_item);
}
static void xcopy_pt_release_cmd(struct se_cmd *se_cmd)
diff --git a/drivers/tty/mips_ejtag_fdc.c b/drivers/tty/mips_ejtag_fdc.c
index 04d9e23d1ee1..358323c83b4f 100644
--- a/drivers/tty/mips_ejtag_fdc.c
+++ b/drivers/tty/mips_ejtag_fdc.c
@@ -174,13 +174,13 @@ struct mips_ejtag_fdc_tty {
static inline void mips_ejtag_fdc_write(struct mips_ejtag_fdc_tty *priv,
unsigned int offs, unsigned int data)
{
- iowrite32(data, priv->reg + offs);
+ __raw_writel(data, priv->reg + offs);
}
static inline unsigned int mips_ejtag_fdc_read(struct mips_ejtag_fdc_tty *priv,
unsigned int offs)
{
- return ioread32(priv->reg + offs);
+ return __raw_readl(priv->reg + offs);
}
/* Encoding of byte stream in FDC words */
@@ -347,9 +347,9 @@ static void mips_ejtag_fdc_console_write(struct console *c, const char *s,
s += inc[word.bytes - 1];
/* Busy wait until there's space in fifo */
- while (ioread32(regs + REG_FDSTAT) & REG_FDSTAT_TXF)
+ while (__raw_readl(regs + REG_FDSTAT) & REG_FDSTAT_TXF)
;
- iowrite32(word.word, regs + REG_FDTX(c->index));
+ __raw_writel(word.word, regs + REG_FDTX(c->index));
}
out:
local_irq_restore(flags);
@@ -1227,7 +1227,7 @@ static int kgdbfdc_read_char(void)
/* Read next word from KGDB channel */
do {
- stat = ioread32(regs + REG_FDSTAT);
+ stat = __raw_readl(regs + REG_FDSTAT);
/* No data waiting? */
if (stat & REG_FDSTAT_RXE)
@@ -1236,7 +1236,7 @@ static int kgdbfdc_read_char(void)
/* Read next word */
channel = (stat & REG_FDSTAT_RXCHAN) >>
REG_FDSTAT_RXCHAN_SHIFT;
- data = ioread32(regs + REG_FDRX);
+ data = __raw_readl(regs + REG_FDRX);
} while (channel != CONFIG_MIPS_EJTAG_FDC_KGDB_CHAN);
/* Decode into rbuf */
@@ -1266,9 +1266,10 @@ static void kgdbfdc_push_one(void)
return;
/* Busy wait until there's space in fifo */
- while (ioread32(regs + REG_FDSTAT) & REG_FDSTAT_TXF)
+ while (__raw_readl(regs + REG_FDSTAT) & REG_FDSTAT_TXF)
;
- iowrite32(word.word, regs + REG_FDTX(CONFIG_MIPS_EJTAG_FDC_KGDB_CHAN));
+ __raw_writel(word.word,
+ regs + REG_FDTX(CONFIG_MIPS_EJTAG_FDC_KGDB_CHAN));
}
/* flush the whole write buffer to the TX FIFO */
diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
index 5e19bb53b3a9..ea32b386797f 100644
--- a/drivers/vhost/scsi.c
+++ b/drivers/vhost/scsi.c
@@ -1409,8 +1409,7 @@ vhost_scsi_set_endpoint(struct vhost_scsi *vs,
* dependency now.
*/
se_tpg = &tpg->se_tpg;
- ret = configfs_depend_item(se_tpg->se_tpg_tfo->tf_subsys,
- &se_tpg->tpg_group.cg_item);
+ ret = target_depend_item(&se_tpg->tpg_group.cg_item);
if (ret) {
pr_warn("configfs_depend_item() failed: %d\n", ret);
kfree(vs_tpg);
@@ -1513,8 +1512,7 @@ vhost_scsi_clear_endpoint(struct vhost_scsi *vs,
* to allow vhost-scsi WWPN se_tpg->tpg_group shutdown to occur.
*/
se_tpg = &tpg->se_tpg;
- configfs_undepend_item(se_tpg->se_tpg_tfo->tf_subsys,
- &se_tpg->tpg_group.cg_item);
+ target_undepend_item(&se_tpg->tpg_group.cg_item);
}
if (match) {
for (i = 0; i < VHOST_SCSI_MAX_VQ; i++) {