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authorDaniel Vetter <daniel.vetter@ffwll.ch>2017-07-26 14:23:10 +0300
committerDaniel Vetter <daniel.vetter@ffwll.ch>2017-07-26 14:43:33 +0300
commitaf055598542670c8533a58582813b1419949cae0 (patch)
tree901fa1bf635d5c1e91d08f9f4c2e4943516dbb71 /drivers/md/dm-flakey.c
parent9f15a4ab19ab33658dbc9fd37be5210e8c1ac622 (diff)
parent2d62c799f8ffac4f7ffba6a4e7f148827dfc24c7 (diff)
downloadlinux-af055598542670c8533a58582813b1419949cae0.tar.xz
Merge airlied/drm-next into drm-misc-next
I need this to be able to apply the deferred fbdev setup patches, I need the relevant prep work that landed through the drm-intel tree. Also squash in conflict fixup from Laurent Pinchart. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/md/dm-flakey.c')
-rw-r--r--drivers/md/dm-flakey.c34
1 files changed, 26 insertions, 8 deletions
diff --git a/drivers/md/dm-flakey.c b/drivers/md/dm-flakey.c
index 13305a182611..e2c7234931bc 100644
--- a/drivers/md/dm-flakey.c
+++ b/drivers/md/dm-flakey.c
@@ -275,7 +275,7 @@ static void flakey_map_bio(struct dm_target *ti, struct bio *bio)
struct flakey_c *fc = ti->private;
bio->bi_bdev = fc->dev->bdev;
- if (bio_sectors(bio))
+ if (bio_sectors(bio) || bio_op(bio) == REQ_OP_ZONE_RESET)
bio->bi_iter.bi_sector =
flakey_map_sector(ti, bio->bi_iter.bi_sector);
}
@@ -306,6 +306,14 @@ static int flakey_map(struct dm_target *ti, struct bio *bio)
struct per_bio_data *pb = dm_per_bio_data(bio, sizeof(struct per_bio_data));
pb->bio_submitted = false;
+ /* Do not fail reset zone */
+ if (bio_op(bio) == REQ_OP_ZONE_RESET)
+ goto map_bio;
+
+ /* We need to remap reported zones, so remember the BIO iter */
+ if (bio_op(bio) == REQ_OP_ZONE_REPORT)
+ goto map_bio;
+
/* Are we alive ? */
elapsed = (jiffies - fc->start_time) / HZ;
if (elapsed % (fc->up_interval + fc->down_interval) >= fc->up_interval) {
@@ -321,7 +329,7 @@ static int flakey_map(struct dm_target *ti, struct bio *bio)
if (bio_data_dir(bio) == READ) {
if (!fc->corrupt_bio_byte && !test_bit(DROP_WRITES, &fc->flags) &&
!test_bit(ERROR_WRITES, &fc->flags))
- return -EIO;
+ return DM_MAPIO_KILL;
goto map_bio;
}
@@ -349,7 +357,7 @@ static int flakey_map(struct dm_target *ti, struct bio *bio)
/*
* By default, error all I/O.
*/
- return -EIO;
+ return DM_MAPIO_KILL;
}
map_bio:
@@ -358,12 +366,21 @@ map_bio:
return DM_MAPIO_REMAPPED;
}
-static int flakey_end_io(struct dm_target *ti, struct bio *bio, int error)
+static int flakey_end_io(struct dm_target *ti, struct bio *bio,
+ blk_status_t *error)
{
struct flakey_c *fc = ti->private;
struct per_bio_data *pb = dm_per_bio_data(bio, sizeof(struct per_bio_data));
- if (!error && pb->bio_submitted && (bio_data_dir(bio) == READ)) {
+ if (bio_op(bio) == REQ_OP_ZONE_RESET)
+ return DM_ENDIO_DONE;
+
+ if (bio_op(bio) == REQ_OP_ZONE_REPORT) {
+ dm_remap_zone_report(ti, bio, fc->start);
+ return DM_ENDIO_DONE;
+ }
+
+ if (!*error && pb->bio_submitted && (bio_data_dir(bio) == READ)) {
if (fc->corrupt_bio_byte && (fc->corrupt_bio_rw == READ) &&
all_corrupt_bio_flags_match(bio, fc)) {
/*
@@ -377,11 +394,11 @@ static int flakey_end_io(struct dm_target *ti, struct bio *bio, int error)
* Error read during the down_interval if drop_writes
* and error_writes were not configured.
*/
- return -EIO;
+ *error = BLK_STS_IOERR;
}
}
- return error;
+ return DM_ENDIO_DONE;
}
static void flakey_status(struct dm_target *ti, status_type_t type,
@@ -445,7 +462,8 @@ static int flakey_iterate_devices(struct dm_target *ti, iterate_devices_callout_
static struct target_type flakey_target = {
.name = "flakey",
- .version = {1, 4, 0},
+ .version = {1, 5, 0},
+ .features = DM_TARGET_ZONED_HM,
.module = THIS_MODULE,
.ctr = flakey_ctr,
.dtr = flakey_dtr,