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-rw-r--r--block/blk-cgroup.c87
-rw-r--r--block/blk-core.c13
-rw-r--r--block/blk-mq.c20
-rw-r--r--block/blk-throttle.c5
-rw-r--r--block/t10-pi.c2
-rw-r--r--drivers/block/brd.c26
-rw-r--r--drivers/block/nbd.c41
-rw-r--r--drivers/block/null_blk/main.c42
-rw-r--r--drivers/block/null_blk/trace.h7
-rw-r--r--drivers/block/ublk_drv.c1
-rw-r--r--drivers/cdrom/cdrom.c2
-rw-r--r--drivers/nvme/host/auth.c6
-rw-r--r--drivers/nvme/host/core.c6
-rw-r--r--drivers/nvme/host/fabrics.c51
-rw-r--r--drivers/nvme/host/fabrics.h2
-rw-r--r--drivers/nvme/host/fc.c4
-rw-r--r--drivers/nvme/host/nvme.h2
-rw-r--r--drivers/nvme/host/rdma.c23
-rw-r--r--drivers/nvme/host/tcp.c30
-rw-r--r--drivers/nvme/target/auth.c22
-rw-r--r--drivers/nvme/target/configfs.c22
-rw-r--r--drivers/nvme/target/fabrics-cmd-auth.c49
-rw-r--r--drivers/nvme/target/fabrics-cmd.c11
-rw-r--r--drivers/nvme/target/nvmet.h8
-rw-r--r--drivers/nvme/target/rdma.c16
-rw-r--r--include/trace/events/nbd.h2
26 files changed, 314 insertions, 186 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 4b1a35ab0ea4..37e6cc91d576 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -322,6 +322,7 @@ static struct blkcg_gq *blkg_alloc(struct blkcg *blkcg, struct gendisk *disk,
blkg->q = disk->queue;
INIT_LIST_HEAD(&blkg->q_node);
blkg->blkcg = blkcg;
+ blkg->iostat.blkg = blkg;
#ifdef CONFIG_BLK_CGROUP_PUNT_BIO
spin_lock_init(&blkg->async_bio_lock);
bio_list_init(&blkg->async_bios);
@@ -618,12 +619,45 @@ restart:
spin_unlock_irq(&q->queue_lock);
}
+static void blkg_iostat_set(struct blkg_iostat *dst, struct blkg_iostat *src)
+{
+ int i;
+
+ for (i = 0; i < BLKG_IOSTAT_NR; i++) {
+ dst->bytes[i] = src->bytes[i];
+ dst->ios[i] = src->ios[i];
+ }
+}
+
+static void __blkg_clear_stat(struct blkg_iostat_set *bis)
+{
+ struct blkg_iostat cur = {0};
+ unsigned long flags;
+
+ flags = u64_stats_update_begin_irqsave(&bis->sync);
+ blkg_iostat_set(&bis->cur, &cur);
+ blkg_iostat_set(&bis->last, &cur);
+ u64_stats_update_end_irqrestore(&bis->sync, flags);
+}
+
+static void blkg_clear_stat(struct blkcg_gq *blkg)
+{
+ int cpu;
+
+ for_each_possible_cpu(cpu) {
+ struct blkg_iostat_set *s = per_cpu_ptr(blkg->iostat_cpu, cpu);
+
+ __blkg_clear_stat(s);
+ }
+ __blkg_clear_stat(&blkg->iostat);
+}
+
static int blkcg_reset_stats(struct cgroup_subsys_state *css,
struct cftype *cftype, u64 val)
{
struct blkcg *blkcg = css_to_blkcg(css);
struct blkcg_gq *blkg;
- int i, cpu;
+ int i;
mutex_lock(&blkcg_pol_mutex);
spin_lock_irq(&blkcg->lock);
@@ -634,18 +668,7 @@ static int blkcg_reset_stats(struct cgroup_subsys_state *css,
* anyway. If you get hit by a race, retry.
*/
hlist_for_each_entry(blkg, &blkcg->blkg_list, blkcg_node) {
- for_each_possible_cpu(cpu) {
- struct blkg_iostat_set *bis =
- per_cpu_ptr(blkg->iostat_cpu, cpu);
- memset(bis, 0, sizeof(*bis));
-
- /* Re-initialize the cleared blkg_iostat_set */
- u64_stats_init(&bis->sync);
- bis->blkg = blkg;
- }
- memset(&blkg->iostat, 0, sizeof(blkg->iostat));
- u64_stats_init(&blkg->iostat.sync);
-
+ blkg_clear_stat(blkg);
for (i = 0; i < BLKCG_MAX_POLS; i++) {
struct blkcg_policy *pol = blkcg_policy[i];
@@ -948,16 +971,6 @@ void blkg_conf_exit(struct blkg_conf_ctx *ctx)
}
EXPORT_SYMBOL_GPL(blkg_conf_exit);
-static void blkg_iostat_set(struct blkg_iostat *dst, struct blkg_iostat *src)
-{
- int i;
-
- for (i = 0; i < BLKG_IOSTAT_NR; i++) {
- dst->bytes[i] = src->bytes[i];
- dst->ios[i] = src->ios[i];
- }
-}
-
static void blkg_iostat_add(struct blkg_iostat *dst, struct blkg_iostat *src)
{
int i;
@@ -1023,7 +1036,19 @@ static void __blkcg_rstat_flush(struct blkcg *blkcg, int cpu)
struct blkg_iostat cur;
unsigned int seq;
+ /*
+ * Order assignment of `next_bisc` from `bisc->lnode.next` in
+ * llist_for_each_entry_safe and clearing `bisc->lqueued` for
+ * avoiding to assign `next_bisc` with new next pointer added
+ * in blk_cgroup_bio_start() in case of re-ordering.
+ *
+ * The pair barrier is implied in llist_add() in blk_cgroup_bio_start().
+ */
+ smp_mb();
+
WRITE_ONCE(bisc->lqueued, false);
+ if (bisc == &blkg->iostat)
+ goto propagate_up; /* propagate up to parent only */
/* fetch the current per-cpu values */
do {
@@ -1033,10 +1058,24 @@ static void __blkcg_rstat_flush(struct blkcg *blkcg, int cpu)
blkcg_iostat_update(blkg, &cur, &bisc->last);
+propagate_up:
/* propagate global delta to parent (unless that's root) */
- if (parent && parent->parent)
+ if (parent && parent->parent) {
blkcg_iostat_update(parent, &blkg->iostat.cur,
&blkg->iostat.last);
+ /*
+ * Queue parent->iostat to its blkcg's lockless
+ * list to propagate up to the grandparent if the
+ * iostat hasn't been queued yet.
+ */
+ if (!parent->iostat.lqueued) {
+ struct llist_head *plhead;
+
+ plhead = per_cpu_ptr(parent->blkcg->lhead, cpu);
+ llist_add(&parent->iostat.lnode, plhead);
+ parent->iostat.lqueued = true;
+ }
+ }
}
raw_spin_unlock_irqrestore(&blkg_stat_lock, flags);
out:
diff --git a/block/blk-core.c b/block/blk-core.c
index ea44b13af9af..82c3ae22d76d 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -615,9 +615,14 @@ static inline blk_status_t blk_check_zone_append(struct request_queue *q,
static void __submit_bio(struct bio *bio)
{
+ /* If plug is not used, add new plug here to cache nsecs time. */
+ struct blk_plug plug;
+
if (unlikely(!blk_crypto_bio_prep(&bio)))
return;
+ blk_start_plug(&plug);
+
if (!bdev_test_flag(bio->bi_bdev, BD_HAS_SUBMIT_BIO)) {
blk_mq_submit_bio(bio);
} else if (likely(bio_queue_enter(bio) == 0)) {
@@ -626,6 +631,8 @@ static void __submit_bio(struct bio *bio)
disk->fops->submit_bio(bio);
blk_queue_exit(disk->queue);
}
+
+ blk_finish_plug(&plug);
}
/*
@@ -650,13 +657,11 @@ static void __submit_bio(struct bio *bio)
static void __submit_bio_noacct(struct bio *bio)
{
struct bio_list bio_list_on_stack[2];
- struct blk_plug plug;
BUG_ON(bio->bi_next);
bio_list_init(&bio_list_on_stack[0]);
current->bio_list = bio_list_on_stack;
- blk_start_plug(&plug);
do {
struct request_queue *q = bdev_get_queue(bio->bi_bdev);
@@ -690,23 +695,19 @@ static void __submit_bio_noacct(struct bio *bio)
bio_list_merge(&bio_list_on_stack[0], &bio_list_on_stack[1]);
} while ((bio = bio_list_pop(&bio_list_on_stack[0])));
- blk_finish_plug(&plug);
current->bio_list = NULL;
}
static void __submit_bio_noacct_mq(struct bio *bio)
{
struct bio_list bio_list[2] = { };
- struct blk_plug plug;
current->bio_list = bio_list;
- blk_start_plug(&plug);
do {
__submit_bio(bio);
} while ((bio = bio_list_pop(&bio_list[0])));
- blk_finish_plug(&plug);
current->bio_list = NULL;
}
diff --git a/block/blk-mq.c b/block/blk-mq.c
index fc364a226e95..3b4df8e5ac9e 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -3545,12 +3545,28 @@ static int blk_mq_hctx_notify_offline(unsigned int cpu, struct hlist_node *node)
return 0;
}
+/*
+ * Check if one CPU is mapped to the specified hctx
+ *
+ * Isolated CPUs have been ruled out from hctx->cpumask, which is supposed
+ * to be used for scheduling kworker only. For other usage, please call this
+ * helper for checking if one CPU belongs to the specified hctx
+ */
+static bool blk_mq_cpu_mapped_to_hctx(unsigned int cpu,
+ const struct blk_mq_hw_ctx *hctx)
+{
+ struct blk_mq_hw_ctx *mapped_hctx = blk_mq_map_queue_type(hctx->queue,
+ hctx->type, cpu);
+
+ return mapped_hctx == hctx;
+}
+
static int blk_mq_hctx_notify_online(unsigned int cpu, struct hlist_node *node)
{
struct blk_mq_hw_ctx *hctx = hlist_entry_safe(node,
struct blk_mq_hw_ctx, cpuhp_online);
- if (cpumask_test_cpu(cpu, hctx->cpumask))
+ if (blk_mq_cpu_mapped_to_hctx(cpu, hctx))
clear_bit(BLK_MQ_S_INACTIVE, &hctx->state);
return 0;
}
@@ -3568,7 +3584,7 @@ static int blk_mq_hctx_notify_dead(unsigned int cpu, struct hlist_node *node)
enum hctx_type type;
hctx = hlist_entry_safe(node, struct blk_mq_hw_ctx, cpuhp_dead);
- if (!cpumask_test_cpu(cpu, hctx->cpumask))
+ if (!blk_mq_cpu_mapped_to_hctx(cpu, hctx))
return 0;
ctx = __blk_mq_get_ctx(hctx->queue, cpu);
diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index 80aaca18bfb0..0be180f9a789 100644
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -39,11 +39,6 @@ struct latency_bucket {
int samples;
};
-struct avg_latency_bucket {
- unsigned long latency; /* ns / 1024 */
- bool valid;
-};
-
struct throtl_data
{
/* service tree for active throtl groups */
diff --git a/block/t10-pi.c b/block/t10-pi.c
index d90892fd6f2a..f4cc91156da1 100644
--- a/block/t10-pi.c
+++ b/block/t10-pi.c
@@ -495,5 +495,5 @@ const struct blk_integrity_profile ext_pi_type3_crc64 = {
};
EXPORT_SYMBOL_GPL(ext_pi_type3_crc64);
-MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("T10 Protection Information module");
MODULE_LICENSE("GPL");
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index b900fe9e0030..558d8e670566 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -222,6 +222,23 @@ out:
return err;
}
+static void brd_do_discard(struct brd_device *brd, sector_t sector, u32 size)
+{
+ sector_t aligned_sector = (sector + PAGE_SECTORS) & ~PAGE_SECTORS;
+ struct page *page;
+
+ size -= (aligned_sector - sector) * SECTOR_SIZE;
+ xa_lock(&brd->brd_pages);
+ while (size >= PAGE_SIZE && aligned_sector < rd_size * 2) {
+ page = __xa_erase(&brd->brd_pages, aligned_sector >> PAGE_SECTORS_SHIFT);
+ if (page)
+ __free_page(page);
+ aligned_sector += PAGE_SECTORS;
+ size -= PAGE_SIZE;
+ }
+ xa_unlock(&brd->brd_pages);
+}
+
static void brd_submit_bio(struct bio *bio)
{
struct brd_device *brd = bio->bi_bdev->bd_disk->private_data;
@@ -229,6 +246,12 @@ static void brd_submit_bio(struct bio *bio)
struct bio_vec bvec;
struct bvec_iter iter;
+ if (unlikely(op_is_discard(bio->bi_opf))) {
+ brd_do_discard(brd, sector, bio->bi_iter.bi_size);
+ bio_endio(bio);
+ return;
+ }
+
bio_for_each_segment(bvec, bio, iter) {
unsigned int len = bvec.bv_len;
int err;
@@ -309,6 +332,9 @@ static int brd_alloc(int i)
* is harmless)
*/
.physical_block_size = PAGE_SIZE,
+ .max_hw_discard_sectors = UINT_MAX,
+ .max_discard_segments = 1,
+ .discard_granularity = PAGE_SIZE,
};
list_for_each_entry(brd, &brd_devices, brd_list)
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 9d4ec9273bf9..22a79a62cc4e 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -222,7 +222,7 @@ static ssize_t pid_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct gendisk *disk = dev_to_disk(dev);
- struct nbd_device *nbd = (struct nbd_device *)disk->private_data;
+ struct nbd_device *nbd = disk->private_data;
return sprintf(buf, "%d\n", nbd->pid);
}
@@ -236,7 +236,7 @@ static ssize_t backend_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct gendisk *disk = dev_to_disk(dev);
- struct nbd_device *nbd = (struct nbd_device *)disk->private_data;
+ struct nbd_device *nbd = disk->private_data;
return sprintf(buf, "%s\n", nbd->backend ?: "");
}
@@ -588,7 +588,10 @@ static inline int was_interrupted(int result)
return result == -ERESTARTSYS || result == -EINTR;
}
-/* always call with the tx_lock held */
+/*
+ * Returns BLK_STS_RESOURCE if the caller should retry after a delay. Returns
+ * -EAGAIN if the caller should requeue @cmd. Returns -EIO if sending failed.
+ */
static int nbd_send_cmd(struct nbd_device *nbd, struct nbd_cmd *cmd, int index)
{
struct request *req = blk_mq_rq_from_pdu(cmd);
@@ -598,13 +601,15 @@ static int nbd_send_cmd(struct nbd_device *nbd, struct nbd_cmd *cmd, int index)
struct nbd_request request = {.magic = htonl(NBD_REQUEST_MAGIC)};
struct kvec iov = {.iov_base = &request, .iov_len = sizeof(request)};
struct iov_iter from;
- unsigned long size = blk_rq_bytes(req);
struct bio *bio;
u64 handle;
u32 type;
u32 nbd_cmd_flags = 0;
int sent = nsock->sent, skip = 0;
+ lockdep_assert_held(&cmd->lock);
+ lockdep_assert_held(&nsock->tx_lock);
+
iov_iter_kvec(&from, ITER_SOURCE, &iov, 1, sizeof(request));
type = req_to_nbd_cmd_type(req);
@@ -644,7 +649,7 @@ static int nbd_send_cmd(struct nbd_device *nbd, struct nbd_cmd *cmd, int index)
request.type = htonl(type | nbd_cmd_flags);
if (type != NBD_CMD_FLUSH) {
request.from = cpu_to_be64((u64)blk_rq_pos(req) << 9);
- request.len = htonl(size);
+ request.len = htonl(blk_rq_bytes(req));
}
handle = nbd_cmd_handle(cmd);
request.cookie = cpu_to_be64(handle);
@@ -669,7 +674,7 @@ static int nbd_send_cmd(struct nbd_device *nbd, struct nbd_cmd *cmd, int index)
nsock->sent = sent;
}
set_bit(NBD_CMD_REQUEUED, &cmd->flags);
- return BLK_STS_RESOURCE;
+ return (__force int)BLK_STS_RESOURCE;
}
dev_err_ratelimited(disk_to_dev(nbd->disk),
"Send control failed (result %d)\n", result);
@@ -710,7 +715,7 @@ send_pages:
nsock->pending = req;
nsock->sent = sent;
set_bit(NBD_CMD_REQUEUED, &cmd->flags);
- return BLK_STS_RESOURCE;
+ return (__force int)BLK_STS_RESOURCE;
}
dev_err(disk_to_dev(nbd->disk),
"Send data failed (result %d)\n",
@@ -1007,7 +1012,7 @@ static int wait_for_reconnect(struct nbd_device *nbd)
return !test_bit(NBD_RT_DISCONNECTED, &config->runtime_flags);
}
-static int nbd_handle_cmd(struct nbd_cmd *cmd, int index)
+static blk_status_t nbd_handle_cmd(struct nbd_cmd *cmd, int index)
{
struct request *req = blk_mq_rq_from_pdu(cmd);
struct nbd_device *nbd = cmd->nbd;
@@ -1015,18 +1020,20 @@ static int nbd_handle_cmd(struct nbd_cmd *cmd, int index)
struct nbd_sock *nsock;
int ret;
+ lockdep_assert_held(&cmd->lock);
+
config = nbd_get_config_unlocked(nbd);
if (!config) {
dev_err_ratelimited(disk_to_dev(nbd->disk),
"Socks array is empty\n");
- return -EINVAL;
+ return BLK_STS_IOERR;
}
if (index >= config->num_connections) {
dev_err_ratelimited(disk_to_dev(nbd->disk),
"Attempted send on invalid socket\n");
nbd_config_put(nbd);
- return -EINVAL;
+ return BLK_STS_IOERR;
}
cmd->status = BLK_STS_OK;
again:
@@ -1049,7 +1056,7 @@ again:
*/
sock_shutdown(nbd);
nbd_config_put(nbd);
- return -EIO;
+ return BLK_STS_IOERR;
}
goto again;
}
@@ -1062,7 +1069,7 @@ again:
blk_mq_start_request(req);
if (unlikely(nsock->pending && nsock->pending != req)) {
nbd_requeue_cmd(cmd);
- ret = 0;
+ ret = BLK_STS_OK;
goto out;
}
/*
@@ -1081,19 +1088,19 @@ again:
"Request send failed, requeueing\n");
nbd_mark_nsock_dead(nbd, nsock, 1);
nbd_requeue_cmd(cmd);
- ret = 0;
+ ret = BLK_STS_OK;
}
out:
mutex_unlock(&nsock->tx_lock);
nbd_config_put(nbd);
- return ret;
+ return ret < 0 ? BLK_STS_IOERR : (__force blk_status_t)ret;
}
static blk_status_t nbd_queue_rq(struct blk_mq_hw_ctx *hctx,
const struct blk_mq_queue_data *bd)
{
struct nbd_cmd *cmd = blk_mq_rq_to_pdu(bd->rq);
- int ret;
+ blk_status_t ret;
/*
* Since we look at the bio's to send the request over the network we
@@ -1113,10 +1120,6 @@ static blk_status_t nbd_queue_rq(struct blk_mq_hw_ctx *hctx,
* appropriate.
*/
ret = nbd_handle_cmd(cmd, hctx->queue_num);
- if (ret < 0)
- ret = BLK_STS_IOERR;
- else if (!ret)
- ret = BLK_STS_OK;
mutex_unlock(&cmd->lock);
return ret;
diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.c
index 4005a8b685e8..eb023d267369 100644
--- a/drivers/block/null_blk/main.c
+++ b/drivers/block/null_blk/main.c
@@ -413,13 +413,25 @@ static int nullb_update_nr_hw_queues(struct nullb_device *dev,
static int nullb_apply_submit_queues(struct nullb_device *dev,
unsigned int submit_queues)
{
- return nullb_update_nr_hw_queues(dev, submit_queues, dev->poll_queues);
+ int ret;
+
+ mutex_lock(&lock);
+ ret = nullb_update_nr_hw_queues(dev, submit_queues, dev->poll_queues);
+ mutex_unlock(&lock);
+
+ return ret;
}
static int nullb_apply_poll_queues(struct nullb_device *dev,
unsigned int poll_queues)
{
- return nullb_update_nr_hw_queues(dev, dev->submit_queues, poll_queues);
+ int ret;
+
+ mutex_lock(&lock);
+ ret = nullb_update_nr_hw_queues(dev, dev->submit_queues, poll_queues);
+ mutex_unlock(&lock);
+
+ return ret;
}
NULLB_DEVICE_ATTR(size, ulong, NULL);
@@ -468,28 +480,31 @@ static ssize_t nullb_device_power_store(struct config_item *item,
if (ret < 0)
return ret;
+ ret = count;
+ mutex_lock(&lock);
if (!dev->power && newp) {
if (test_and_set_bit(NULLB_DEV_FL_UP, &dev->flags))
- return count;
+ goto out;
+
ret = null_add_dev(dev);
if (ret) {
clear_bit(NULLB_DEV_FL_UP, &dev->flags);
- return ret;
+ goto out;
}
set_bit(NULLB_DEV_FL_CONFIGURED, &dev->flags);
dev->power = newp;
} else if (dev->power && !newp) {
if (test_and_clear_bit(NULLB_DEV_FL_UP, &dev->flags)) {
- mutex_lock(&lock);
dev->power = newp;
null_del_dev(dev->nullb);
- mutex_unlock(&lock);
}
clear_bit(NULLB_DEV_FL_CONFIGURED, &dev->flags);
}
- return count;
+out:
+ mutex_unlock(&lock);
+ return ret;
}
CONFIGFS_ATTR(nullb_device_, power);
@@ -1218,7 +1233,7 @@ static int null_transfer(struct nullb *nullb, struct page *page,
return err;
}
-static int null_handle_rq(struct nullb_cmd *cmd)
+static blk_status_t null_handle_rq(struct nullb_cmd *cmd)
{
struct request *rq = blk_mq_rq_from_pdu(cmd);
struct nullb *nullb = cmd->nq->dev->nullb;
@@ -1932,15 +1947,12 @@ static int null_add_dev(struct nullb_device *dev)
nullb->q->queuedata = nullb;
blk_queue_flag_set(QUEUE_FLAG_NONROT, nullb->q);
- mutex_lock(&lock);
rv = ida_alloc(&nullb_indexes, GFP_KERNEL);
- if (rv < 0) {
- mutex_unlock(&lock);
+ if (rv < 0)
goto out_cleanup_disk;
- }
+
nullb->index = rv;
dev->index = rv;
- mutex_unlock(&lock);
if (config_item_name(&dev->group.cg_item)) {
/* Use configfs dir name as the device name */
@@ -1969,9 +1981,7 @@ static int null_add_dev(struct nullb_device *dev)
if (rv)
goto out_ida_free;
- mutex_lock(&lock);
list_add_tail(&nullb->list, &nullb_list);
- mutex_unlock(&lock);
pr_info("disk %s created\n", nullb->disk_name);
@@ -2020,7 +2030,9 @@ static int null_create_dev(void)
if (!dev)
return -ENOMEM;
+ mutex_lock(&lock);
ret = null_add_dev(dev);
+ mutex_unlock(&lock);
if (ret) {
null_free_dev(dev);
return ret;
diff --git a/drivers/block/null_blk/trace.h b/drivers/block/null_blk/trace.h
index ef2d05d5f0df..82b8f6a5e5f0 100644
--- a/drivers/block/null_blk/trace.h
+++ b/drivers/block/null_blk/trace.h
@@ -36,7 +36,12 @@ TRACE_EVENT(nullb_zone_op,
TP_ARGS(cmd, zone_no, zone_cond),
TP_STRUCT__entry(
__array(char, disk, DISK_NAME_LEN)
- __field(enum req_op, op)
+ /*
+ * __field() uses is_signed_type(). is_signed_type() does not
+ * support bitwise types. Use __field_struct() instead because
+ * it does not use is_signed_type().
+ */
+ __field_struct(enum req_op, op)
__field(unsigned int, zone_no)
__field(unsigned int, zone_cond)
),
diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c
index 176657dce3e3..4e159948c912 100644
--- a/drivers/block/ublk_drv.c
+++ b/drivers/block/ublk_drv.c
@@ -2178,6 +2178,7 @@ static int ublk_ctrl_start_dev(struct ublk_device *ub, struct io_uring_cmd *cmd)
.virt_boundary_mask = p->virt_boundary_mask,
.max_segments = USHRT_MAX,
.max_segment_size = UINT_MAX,
+ .dma_alignment = 3,
};
struct gendisk *disk;
int ret = -EINVAL;
diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index a5e07270e0d4..20c90ebb3a3f 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -2358,7 +2358,7 @@ static int cdrom_ioctl_timed_media_change(struct cdrom_device_info *cdi,
return -EFAULT;
tmp_info.media_flags = 0;
- if (tmp_info.last_media_change - cdi->last_media_change_ms < 0)
+ if (cdi->last_media_change_ms > tmp_info.last_media_change)
tmp_info.media_flags |= MEDIA_CHANGED_FLAG;
tmp_info.last_media_change = cdi->last_media_change_ms;
diff --git a/drivers/nvme/host/auth.c b/drivers/nvme/host/auth.c
index a264b3ae078b..371e14f0a203 100644
--- a/drivers/nvme/host/auth.c
+++ b/drivers/nvme/host/auth.c
@@ -730,7 +730,7 @@ static void nvme_queue_auth_work(struct work_struct *work)
NVME_AUTH_DHCHAP_MESSAGE_CHALLENGE);
if (ret) {
chap->status = ret;
- chap->error = -ECONNREFUSED;
+ chap->error = -EKEYREJECTED;
return;
}
@@ -797,7 +797,7 @@ static void nvme_queue_auth_work(struct work_struct *work)
NVME_AUTH_DHCHAP_MESSAGE_SUCCESS1);
if (ret) {
chap->status = ret;
- chap->error = -ECONNREFUSED;
+ chap->error = -EKEYREJECTED;
return;
}
@@ -818,7 +818,7 @@ static void nvme_queue_auth_work(struct work_struct *work)
ret = nvme_auth_process_dhchap_success1(ctrl, chap);
if (ret) {
/* Controller authentication failed */
- chap->error = -ECONNREFUSED;
+ chap->error = -EKEYREJECTED;
goto fail2;
}
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index bf7615cb36ee..954f850f113a 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -383,14 +383,14 @@ static inline enum nvme_disposition nvme_decide_disposition(struct request *req)
if (likely(nvme_req(req)->status == 0))
return COMPLETE;
- if ((nvme_req(req)->status & 0x7ff) == NVME_SC_AUTH_REQUIRED)
- return AUTHENTICATE;
-
if (blk_noretry_request(req) ||
(nvme_req(req)->status & NVME_SC_DNR) ||
nvme_req(req)->retries >= nvme_max_retries)
return COMPLETE;
+ if ((nvme_req(req)->status & 0x7ff) == NVME_SC_AUTH_REQUIRED)
+ return AUTHENTICATE;
+
if (req->cmd_flags & REQ_NVME_MPATH) {
if (nvme_is_path_error(nvme_req(req)->status) ||
blk_queue_dying(req->q))
diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c
index 1f0ea1f32d22..c6ad2148c2e0 100644
--- a/drivers/nvme/host/fabrics.c
+++ b/drivers/nvme/host/fabrics.c
@@ -428,12 +428,6 @@ static void nvmf_connect_cmd_prep(struct nvme_ctrl *ctrl, u16 qid,
* fabrics-protocol connection of the NVMe Admin queue between the
* host system device and the allocated NVMe controller on the
* target system via a NVMe Fabrics "Connect" command.
- *
- * Return:
- * 0: success
- * > 0: NVMe error status code
- * < 0: Linux errno error code
- *
*/
int nvmf_connect_admin_queue(struct nvme_ctrl *ctrl)
{
@@ -467,7 +461,7 @@ int nvmf_connect_admin_queue(struct nvme_ctrl *ctrl)
if (result & NVME_CONNECT_AUTHREQ_ASCR) {
dev_warn(ctrl->device,
"qid 0: secure concatenation is not supported\n");
- ret = NVME_SC_AUTH_REQUIRED;
+ ret = -EOPNOTSUPP;
goto out_free_data;
}
/* Authentication required */
@@ -475,14 +469,14 @@ int nvmf_connect_admin_queue(struct nvme_ctrl *ctrl)
if (ret) {
dev_warn(ctrl->device,
"qid 0: authentication setup failed\n");
- ret = NVME_SC_AUTH_REQUIRED;
goto out_free_data;
}
ret = nvme_auth_wait(ctrl, 0);
- if (ret)
+ if (ret) {
dev_warn(ctrl->device,
- "qid 0: authentication failed\n");
- else
+ "qid 0: authentication failed, error %d\n",
+ ret);
+ } else
dev_info(ctrl->device,
"qid 0: authenticated\n");
}
@@ -542,7 +536,7 @@ int nvmf_connect_io_queue(struct nvme_ctrl *ctrl, u16 qid)
if (result & NVME_CONNECT_AUTHREQ_ASCR) {
dev_warn(ctrl->device,
"qid 0: secure concatenation is not supported\n");
- ret = NVME_SC_AUTH_REQUIRED;
+ ret = -EOPNOTSUPP;
goto out_free_data;
}
/* Authentication required */
@@ -550,12 +544,13 @@ int nvmf_connect_io_queue(struct nvme_ctrl *ctrl, u16 qid)
if (ret) {
dev_warn(ctrl->device,
"qid %d: authentication setup failed\n", qid);
- ret = NVME_SC_AUTH_REQUIRED;
- } else {
- ret = nvme_auth_wait(ctrl, qid);
- if (ret)
- dev_warn(ctrl->device,
- "qid %u: authentication failed\n", qid);
+ goto out_free_data;
+ }
+ ret = nvme_auth_wait(ctrl, qid);
+ if (ret) {
+ dev_warn(ctrl->device,
+ "qid %u: authentication failed, error %d\n",
+ qid, ret);
}
}
out_free_data:
@@ -564,8 +559,26 @@ out_free_data:
}
EXPORT_SYMBOL_GPL(nvmf_connect_io_queue);
-bool nvmf_should_reconnect(struct nvme_ctrl *ctrl)
+/*
+ * Evaluate the status information returned by the transport in order to decided
+ * if a reconnect attempt should be scheduled.
+ *
+ * Do not retry when:
+ *
+ * - the DNR bit is set and the specification states no further connect
+ * attempts with the same set of paramenters should be attempted.
+ *
+ * - when the authentication attempt fails, because the key was invalid.
+ * This error code is set on the host side.
+ */
+bool nvmf_should_reconnect(struct nvme_ctrl *ctrl, int status)
{
+ if (status > 0 && (status & NVME_SC_DNR))
+ return false;
+
+ if (status == -EKEYREJECTED)
+ return false;
+
if (ctrl->opts->max_reconnects == -1 ||
ctrl->nr_reconnects < ctrl->opts->max_reconnects)
return true;
diff --git a/drivers/nvme/host/fabrics.h b/drivers/nvme/host/fabrics.h
index 37c974c38dcb..602135910ae9 100644
--- a/drivers/nvme/host/fabrics.h
+++ b/drivers/nvme/host/fabrics.h
@@ -223,7 +223,7 @@ int nvmf_register_transport(struct nvmf_transport_ops *ops);
void nvmf_unregister_transport(struct nvmf_transport_ops *ops);
void nvmf_free_options(struct nvmf_ctrl_options *opts);
int nvmf_get_address(struct nvme_ctrl *ctrl, char *buf, int size);
-bool nvmf_should_reconnect(struct nvme_ctrl *ctrl);
+bool nvmf_should_reconnect(struct nvme_ctrl *ctrl, int status);
bool nvmf_ip_options_match(struct nvme_ctrl *ctrl,
struct nvmf_ctrl_options *opts);
void nvmf_set_io_queues(struct nvmf_ctrl_options *opts, u32 nr_io_queues,
diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index a5b29e9ad342..f0b081332749 100644
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -3310,12 +3310,10 @@ nvme_fc_reconnect_or_delete(struct nvme_fc_ctrl *ctrl, int status)
dev_info(ctrl->ctrl.device,
"NVME-FC{%d}: reset: Reconnect attempt failed (%d)\n",
ctrl->cnum, status);
- if (status > 0 && (status & NVME_SC_DNR))
- recon = false;
} else if (time_after_eq(jiffies, rport->dev_loss_end))
recon = false;
- if (recon && nvmf_should_reconnect(&ctrl->ctrl)) {
+ if (recon && nvmf_should_reconnect(&ctrl->ctrl, status)) {
if (portptr->port_state == FC_OBJSTATE_ONLINE)
dev_info(ctrl->ctrl.device,
"NVME-FC{%d}: Reconnect attempt in %ld "
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 05532c281177..cacc56f4bbf4 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -1148,7 +1148,7 @@ static inline int nvme_auth_negotiate(struct nvme_ctrl *ctrl, int qid)
}
static inline int nvme_auth_wait(struct nvme_ctrl *ctrl, int qid)
{
- return NVME_SC_AUTH_REQUIRED;
+ return -EPROTONOSUPPORT;
}
static inline void nvme_auth_free(struct nvme_ctrl *ctrl) {};
#endif
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index 366f0bb4ebfc..51a62b0c645a 100644
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -982,7 +982,8 @@ free_ctrl:
kfree(ctrl);
}
-static void nvme_rdma_reconnect_or_remove(struct nvme_rdma_ctrl *ctrl)
+static void nvme_rdma_reconnect_or_remove(struct nvme_rdma_ctrl *ctrl,
+ int status)
{
enum nvme_ctrl_state state = nvme_ctrl_state(&ctrl->ctrl);
@@ -992,7 +993,7 @@ static void nvme_rdma_reconnect_or_remove(struct nvme_rdma_ctrl *ctrl)
return;
}
- if (nvmf_should_reconnect(&ctrl->ctrl)) {
+ if (nvmf_should_reconnect(&ctrl->ctrl, status)) {
dev_info(ctrl->ctrl.device, "Reconnecting in %d seconds...\n",
ctrl->ctrl.opts->reconnect_delay);
queue_delayed_work(nvme_wq, &ctrl->reconnect_work,
@@ -1104,10 +1105,12 @@ static void nvme_rdma_reconnect_ctrl_work(struct work_struct *work)
{
struct nvme_rdma_ctrl *ctrl = container_of(to_delayed_work(work),
struct nvme_rdma_ctrl, reconnect_work);
+ int ret;
++ctrl->ctrl.nr_reconnects;
- if (nvme_rdma_setup_ctrl(ctrl, false))
+ ret = nvme_rdma_setup_ctrl(ctrl, false);
+ if (ret)
goto requeue;
dev_info(ctrl->ctrl.device, "Successfully reconnected (%d attempts)\n",
@@ -1118,9 +1121,9 @@ static void nvme_rdma_reconnect_ctrl_work(struct work_struct *work)
return;
requeue:
- dev_info(ctrl->ctrl.device, "Failed reconnect attempt %d\n",
- ctrl->ctrl.nr_reconnects);
- nvme_rdma_reconnect_or_remove(ctrl);
+ dev_info(ctrl->ctrl.device, "Failed reconnect attempt %d/%d\n",
+ ctrl->ctrl.nr_reconnects, ctrl->ctrl.opts->max_reconnects);
+ nvme_rdma_reconnect_or_remove(ctrl, ret);
}
static void nvme_rdma_error_recovery_work(struct work_struct *work)
@@ -1145,7 +1148,7 @@ static void nvme_rdma_error_recovery_work(struct work_struct *work)
return;
}
- nvme_rdma_reconnect_or_remove(ctrl);
+ nvme_rdma_reconnect_or_remove(ctrl, 0);
}
static void nvme_rdma_error_recovery(struct nvme_rdma_ctrl *ctrl)
@@ -2169,6 +2172,7 @@ static void nvme_rdma_reset_ctrl_work(struct work_struct *work)
{
struct nvme_rdma_ctrl *ctrl =
container_of(work, struct nvme_rdma_ctrl, ctrl.reset_work);
+ int ret;
nvme_stop_ctrl(&ctrl->ctrl);
nvme_rdma_shutdown_ctrl(ctrl, false);
@@ -2179,14 +2183,15 @@ static void nvme_rdma_reset_ctrl_work(struct work_struct *work)
return;
}
- if (nvme_rdma_setup_ctrl(ctrl, false))
+ ret = nvme_rdma_setup_ctrl(ctrl, false);
+ if (ret)
goto out_fail;
return;
out_fail:
++ctrl->ctrl.nr_reconnects;
- nvme_rdma_reconnect_or_remove(ctrl);
+ nvme_rdma_reconnect_or_remove(ctrl, ret);
}
static const struct nvme_ctrl_ops nvme_rdma_ctrl_ops = {
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c
index 28bc2f373cfa..8b5e4327fe83 100644
--- a/drivers/nvme/host/tcp.c
+++ b/drivers/nvme/host/tcp.c
@@ -2161,7 +2161,8 @@ static void nvme_tcp_teardown_io_queues(struct nvme_ctrl *ctrl,
nvme_tcp_destroy_io_queues(ctrl, remove);
}
-static void nvme_tcp_reconnect_or_remove(struct nvme_ctrl *ctrl)
+static void nvme_tcp_reconnect_or_remove(struct nvme_ctrl *ctrl,
+ int status)
{
enum nvme_ctrl_state state = nvme_ctrl_state(ctrl);
@@ -2171,13 +2172,14 @@ static void nvme_tcp_reconnect_or_remove(struct nvme_ctrl *ctrl)
return;
}
- if (nvmf_should_reconnect(ctrl)) {
+ if (nvmf_should_reconnect(ctrl, status)) {
dev_info(ctrl->device, "Reconnecting in %d seconds...\n",
ctrl->opts->reconnect_delay);
queue_delayed_work(nvme_wq, &to_tcp_ctrl(ctrl)->connect_work,
ctrl->opts->reconnect_delay * HZ);
} else {
- dev_info(ctrl->device, "Removing controller...\n");
+ dev_info(ctrl->device, "Removing controller (%d)...\n",
+ status);
nvme_delete_ctrl(ctrl);
}
}
@@ -2258,23 +2260,25 @@ static void nvme_tcp_reconnect_ctrl_work(struct work_struct *work)
struct nvme_tcp_ctrl *tcp_ctrl = container_of(to_delayed_work(work),
struct nvme_tcp_ctrl, connect_work);
struct nvme_ctrl *ctrl = &tcp_ctrl->ctrl;
+ int ret;
++ctrl->nr_reconnects;
- if (nvme_tcp_setup_ctrl(ctrl, false))
+ ret = nvme_tcp_setup_ctrl(ctrl, false);
+ if (ret)
goto requeue;
- dev_info(ctrl->device, "Successfully reconnected (%d attempt)\n",
- ctrl->nr_reconnects);
+ dev_info(ctrl->device, "Successfully reconnected (attempt %d/%d)\n",
+ ctrl->nr_reconnects, ctrl->opts->max_reconnects);
ctrl->nr_reconnects = 0;
return;
requeue:
- dev_info(ctrl->device, "Failed reconnect attempt %d\n",
- ctrl->nr_reconnects);
- nvme_tcp_reconnect_or_remove(ctrl);
+ dev_info(ctrl->device, "Failed reconnect attempt %d/%d\n",
+ ctrl->nr_reconnects, ctrl->opts->max_reconnects);
+ nvme_tcp_reconnect_or_remove(ctrl, ret);
}
static void nvme_tcp_error_recovery_work(struct work_struct *work)
@@ -2301,7 +2305,7 @@ static void nvme_tcp_error_recovery_work(struct work_struct *work)
return;
}
- nvme_tcp_reconnect_or_remove(ctrl);
+ nvme_tcp_reconnect_or_remove(ctrl, 0);
}
static void nvme_tcp_teardown_ctrl(struct nvme_ctrl *ctrl, bool shutdown)
@@ -2321,6 +2325,7 @@ static void nvme_reset_ctrl_work(struct work_struct *work)
{
struct nvme_ctrl *ctrl =
container_of(work, struct nvme_ctrl, reset_work);
+ int ret;
nvme_stop_ctrl(ctrl);
nvme_tcp_teardown_ctrl(ctrl, false);
@@ -2334,14 +2339,15 @@ static void nvme_reset_ctrl_work(struct work_struct *work)
return;
}
- if (nvme_tcp_setup_ctrl(ctrl, false))
+ ret = nvme_tcp_setup_ctrl(ctrl, false);
+ if (ret)
goto out_fail;
return;
out_fail:
++ctrl->nr_reconnects;
- nvme_tcp_reconnect_or_remove(ctrl);
+ nvme_tcp_reconnect_or_remove(ctrl, ret);
}
static void nvme_tcp_stop_ctrl(struct nvme_ctrl *ctrl)
diff --git a/drivers/nvme/target/auth.c b/drivers/nvme/target/auth.c
index 4f08362aee8b..7d2633940f9b 100644
--- a/drivers/nvme/target/auth.c
+++ b/drivers/nvme/target/auth.c
@@ -44,6 +44,7 @@ int nvmet_auth_set_key(struct nvmet_host *host, const char *secret,
dhchap_secret = kstrdup(secret, GFP_KERNEL);
if (!dhchap_secret)
return -ENOMEM;
+ down_write(&nvmet_config_sem);
if (set_ctrl) {
kfree(host->dhchap_ctrl_secret);
host->dhchap_ctrl_secret = strim(dhchap_secret);
@@ -53,6 +54,7 @@ int nvmet_auth_set_key(struct nvmet_host *host, const char *secret,
host->dhchap_secret = strim(dhchap_secret);
host->dhchap_key_hash = key_hash;
}
+ up_write(&nvmet_config_sem);
return 0;
}
@@ -124,12 +126,11 @@ int nvmet_setup_dhgroup(struct nvmet_ctrl *ctrl, u8 dhgroup_id)
return ret;
}
-int nvmet_setup_auth(struct nvmet_ctrl *ctrl)
+u8 nvmet_setup_auth(struct nvmet_ctrl *ctrl)
{
int ret = 0;
struct nvmet_host_link *p;
struct nvmet_host *host = NULL;
- const char *hash_name;
down_read(&nvmet_config_sem);
if (nvmet_is_disc_subsys(ctrl->subsys))
@@ -147,13 +148,16 @@ int nvmet_setup_auth(struct nvmet_ctrl *ctrl)
}
if (!host) {
pr_debug("host %s not found\n", ctrl->hostnqn);
- ret = -EPERM;
+ ret = NVME_AUTH_DHCHAP_FAILURE_FAILED;
goto out_unlock;
}
ret = nvmet_setup_dhgroup(ctrl, host->dhchap_dhgroup_id);
- if (ret < 0)
+ if (ret < 0) {
pr_warn("Failed to setup DH group");
+ ret = NVME_AUTH_DHCHAP_FAILURE_DHGROUP_UNUSABLE;
+ goto out_unlock;
+ }
if (!host->dhchap_secret) {
pr_debug("No authentication provided\n");
@@ -164,12 +168,6 @@ int nvmet_setup_auth(struct nvmet_ctrl *ctrl)
pr_debug("Re-use existing hash ID %d\n",
ctrl->shash_id);
} else {
- hash_name = nvme_auth_hmac_name(host->dhchap_hash_id);
- if (!hash_name) {
- pr_warn("Hash ID %d invalid\n", host->dhchap_hash_id);
- ret = -EINVAL;
- goto out_unlock;
- }
ctrl->shash_id = host->dhchap_hash_id;
}
@@ -178,7 +176,7 @@ int nvmet_setup_auth(struct nvmet_ctrl *ctrl)
ctrl->host_key = nvme_auth_extract_key(host->dhchap_secret + 10,
host->dhchap_key_hash);
if (IS_ERR(ctrl->host_key)) {
- ret = PTR_ERR(ctrl->host_key);
+ ret = NVME_AUTH_DHCHAP_FAILURE_NOT_USABLE;
ctrl->host_key = NULL;
goto out_free_hash;
}
@@ -196,7 +194,7 @@ int nvmet_setup_auth(struct nvmet_ctrl *ctrl)
ctrl->ctrl_key = nvme_auth_extract_key(host->dhchap_ctrl_secret + 10,
host->dhchap_ctrl_key_hash);
if (IS_ERR(ctrl->ctrl_key)) {
- ret = PTR_ERR(ctrl->ctrl_key);
+ ret = NVME_AUTH_DHCHAP_FAILURE_NOT_USABLE;
ctrl->ctrl_key = NULL;
goto out_free_hash;
}
diff --git a/drivers/nvme/target/configfs.c b/drivers/nvme/target/configfs.c
index 7fda69395c1e..7c43a0ad6877 100644
--- a/drivers/nvme/target/configfs.c
+++ b/drivers/nvme/target/configfs.c
@@ -2007,11 +2007,17 @@ static struct config_group nvmet_ports_group;
static ssize_t nvmet_host_dhchap_key_show(struct config_item *item,
char *page)
{
- u8 *dhchap_secret = to_host(item)->dhchap_secret;
+ u8 *dhchap_secret;
+ ssize_t ret;
+ down_read(&nvmet_config_sem);
+ dhchap_secret = to_host(item)->dhchap_secret;
if (!dhchap_secret)
- return sprintf(page, "\n");
- return sprintf(page, "%s\n", dhchap_secret);
+ ret = sprintf(page, "\n");
+ else
+ ret = sprintf(page, "%s\n", dhchap_secret);
+ up_read(&nvmet_config_sem);
+ return ret;
}
static ssize_t nvmet_host_dhchap_key_store(struct config_item *item,
@@ -2035,10 +2041,16 @@ static ssize_t nvmet_host_dhchap_ctrl_key_show(struct config_item *item,
char *page)
{
u8 *dhchap_secret = to_host(item)->dhchap_ctrl_secret;
+ ssize_t ret;
+ down_read(&nvmet_config_sem);
+ dhchap_secret = to_host(item)->dhchap_ctrl_secret;
if (!dhchap_secret)
- return sprintf(page, "\n");
- return sprintf(page, "%s\n", dhchap_secret);
+ ret = sprintf(page, "\n");
+ else
+ ret = sprintf(page, "%s\n", dhchap_secret);
+ up_read(&nvmet_config_sem);
+ return ret;
}
static ssize_t nvmet_host_dhchap_ctrl_key_store(struct config_item *item,
diff --git a/drivers/nvme/target/fabrics-cmd-auth.c b/drivers/nvme/target/fabrics-cmd-auth.c
index eb7785be0ca7..d61b8c6ff3b2 100644
--- a/drivers/nvme/target/fabrics-cmd-auth.c
+++ b/drivers/nvme/target/fabrics-cmd-auth.c
@@ -31,7 +31,7 @@ void nvmet_auth_sq_init(struct nvmet_sq *sq)
sq->dhchap_step = NVME_AUTH_DHCHAP_MESSAGE_NEGOTIATE;
}
-static u16 nvmet_auth_negotiate(struct nvmet_req *req, void *d)
+static u8 nvmet_auth_negotiate(struct nvmet_req *req, void *d)
{
struct nvmet_ctrl *ctrl = req->sq->ctrl;
struct nvmf_auth_dhchap_negotiate_data *data = d;
@@ -109,7 +109,7 @@ static u16 nvmet_auth_negotiate(struct nvmet_req *req, void *d)
return 0;
}
-static u16 nvmet_auth_reply(struct nvmet_req *req, void *d)
+static u8 nvmet_auth_reply(struct nvmet_req *req, void *d)
{
struct nvmet_ctrl *ctrl = req->sq->ctrl;
struct nvmf_auth_dhchap_reply_data *data = d;
@@ -172,7 +172,7 @@ static u16 nvmet_auth_reply(struct nvmet_req *req, void *d)
return 0;
}
-static u16 nvmet_auth_failure2(void *d)
+static u8 nvmet_auth_failure2(void *d)
{
struct nvmf_auth_dhchap_failure_data *data = d;
@@ -186,6 +186,7 @@ void nvmet_execute_auth_send(struct nvmet_req *req)
void *d;
u32 tl;
u16 status = 0;
+ u8 dhchap_status;
if (req->cmd->auth_send.secp != NVME_AUTH_DHCHAP_PROTOCOL_IDENTIFIER) {
status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
@@ -237,30 +238,32 @@ void nvmet_execute_auth_send(struct nvmet_req *req)
if (data->auth_type == NVME_AUTH_COMMON_MESSAGES) {
if (data->auth_id == NVME_AUTH_DHCHAP_MESSAGE_NEGOTIATE) {
/* Restart negotiation */
- pr_debug("%s: ctrl %d qid %d reset negotiation\n", __func__,
- ctrl->cntlid, req->sq->qid);
+ pr_debug("%s: ctrl %d qid %d reset negotiation\n",
+ __func__, ctrl->cntlid, req->sq->qid);
if (!req->sq->qid) {
- if (nvmet_setup_auth(ctrl) < 0) {
- status = NVME_SC_INTERNAL;
- pr_err("ctrl %d qid 0 failed to setup"
- "re-authentication",
+ dhchap_status = nvmet_setup_auth(ctrl);
+ if (dhchap_status) {
+ pr_err("ctrl %d qid 0 failed to setup re-authentication\n",
ctrl->cntlid);
- goto done_failure1;
+ req->sq->dhchap_status = dhchap_status;
+ req->sq->dhchap_step =
+ NVME_AUTH_DHCHAP_MESSAGE_FAILURE1;
+ goto done_kfree;
}
}
- req->sq->dhchap_step = NVME_AUTH_DHCHAP_MESSAGE_NEGOTIATE;
+ req->sq->dhchap_step =
+ NVME_AUTH_DHCHAP_MESSAGE_NEGOTIATE;
} else if (data->auth_id != req->sq->dhchap_step)
goto done_failure1;
/* Validate negotiation parameters */
- status = nvmet_auth_negotiate(req, d);
- if (status == 0)
+ dhchap_status = nvmet_auth_negotiate(req, d);
+ if (dhchap_status == 0)
req->sq->dhchap_step =
NVME_AUTH_DHCHAP_MESSAGE_CHALLENGE;
else {
req->sq->dhchap_step =
NVME_AUTH_DHCHAP_MESSAGE_FAILURE1;
- req->sq->dhchap_status = status;
- status = 0;
+ req->sq->dhchap_status = dhchap_status;
}
goto done_kfree;
}
@@ -284,15 +287,14 @@ void nvmet_execute_auth_send(struct nvmet_req *req)
switch (data->auth_id) {
case NVME_AUTH_DHCHAP_MESSAGE_REPLY:
- status = nvmet_auth_reply(req, d);
- if (status == 0)
+ dhchap_status = nvmet_auth_reply(req, d);
+ if (dhchap_status == 0)
req->sq->dhchap_step =
NVME_AUTH_DHCHAP_MESSAGE_SUCCESS1;
else {
req->sq->dhchap_step =
NVME_AUTH_DHCHAP_MESSAGE_FAILURE1;
- req->sq->dhchap_status = status;
- status = 0;
+ req->sq->dhchap_status = dhchap_status;
}
goto done_kfree;
case NVME_AUTH_DHCHAP_MESSAGE_SUCCESS2:
@@ -301,13 +303,12 @@ void nvmet_execute_auth_send(struct nvmet_req *req)
__func__, ctrl->cntlid, req->sq->qid);
goto done_kfree;
case NVME_AUTH_DHCHAP_MESSAGE_FAILURE2:
- status = nvmet_auth_failure2(d);
- if (status) {
+ dhchap_status = nvmet_auth_failure2(d);
+ if (dhchap_status) {
pr_warn("ctrl %d qid %d: authentication failed (%d)\n",
- ctrl->cntlid, req->sq->qid, status);
- req->sq->dhchap_status = status;
+ ctrl->cntlid, req->sq->qid, dhchap_status);
+ req->sq->dhchap_status = dhchap_status;
req->sq->authenticated = false;
- status = 0;
}
goto done_kfree;
default:
diff --git a/drivers/nvme/target/fabrics-cmd.c b/drivers/nvme/target/fabrics-cmd.c
index b23f4cf840bd..042b379cbb36 100644
--- a/drivers/nvme/target/fabrics-cmd.c
+++ b/drivers/nvme/target/fabrics-cmd.c
@@ -211,7 +211,7 @@ static void nvmet_execute_admin_connect(struct nvmet_req *req)
struct nvmf_connect_data *d;
struct nvmet_ctrl *ctrl = NULL;
u16 status;
- int ret;
+ u8 dhchap_status;
if (!nvmet_check_transfer_len(req, sizeof(struct nvmf_connect_data)))
return;
@@ -254,11 +254,12 @@ static void nvmet_execute_admin_connect(struct nvmet_req *req)
uuid_copy(&ctrl->hostid, &d->hostid);
- ret = nvmet_setup_auth(ctrl);
- if (ret < 0) {
- pr_err("Failed to setup authentication, error %d\n", ret);
+ dhchap_status = nvmet_setup_auth(ctrl);
+ if (dhchap_status) {
+ pr_err("Failed to setup authentication, dhchap status %u\n",
+ dhchap_status);
nvmet_ctrl_put(ctrl);
- if (ret == -EPERM)
+ if (dhchap_status == NVME_AUTH_DHCHAP_FAILURE_FAILED)
status = (NVME_SC_CONNECT_INVALID_HOST | NVME_SC_DNR);
else
status = NVME_SC_INTERNAL;
diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h
index c1306de1f4dd..2f22b07eab29 100644
--- a/drivers/nvme/target/nvmet.h
+++ b/drivers/nvme/target/nvmet.h
@@ -113,8 +113,8 @@ struct nvmet_sq {
bool authenticated;
struct delayed_work auth_expired_work;
u16 dhchap_tid;
- u16 dhchap_status;
- int dhchap_step;
+ u8 dhchap_status;
+ u8 dhchap_step;
u8 *dhchap_c1;
u8 *dhchap_c2;
u32 dhchap_s1;
@@ -714,7 +714,7 @@ void nvmet_execute_auth_receive(struct nvmet_req *req);
int nvmet_auth_set_key(struct nvmet_host *host, const char *secret,
bool set_ctrl);
int nvmet_auth_set_host_hash(struct nvmet_host *host, const char *hash);
-int nvmet_setup_auth(struct nvmet_ctrl *ctrl);
+u8 nvmet_setup_auth(struct nvmet_ctrl *ctrl);
void nvmet_auth_sq_init(struct nvmet_sq *sq);
void nvmet_destroy_auth(struct nvmet_ctrl *ctrl);
void nvmet_auth_sq_free(struct nvmet_sq *sq);
@@ -733,7 +733,7 @@ int nvmet_auth_ctrl_exponential(struct nvmet_req *req,
int nvmet_auth_ctrl_sesskey(struct nvmet_req *req,
u8 *buf, int buf_size);
#else
-static inline int nvmet_setup_auth(struct nvmet_ctrl *ctrl)
+static inline u8 nvmet_setup_auth(struct nvmet_ctrl *ctrl)
{
return 0;
}
diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c
index 6e1b4140cde0..689bb5d3cfdc 100644
--- a/drivers/nvme/target/rdma.c
+++ b/drivers/nvme/target/rdma.c
@@ -1806,18 +1806,14 @@ static int nvmet_rdma_cm_handler(struct rdma_cm_id *cm_id,
static void nvmet_rdma_delete_ctrl(struct nvmet_ctrl *ctrl)
{
- struct nvmet_rdma_queue *queue;
+ struct nvmet_rdma_queue *queue, *n;
-restart:
mutex_lock(&nvmet_rdma_queue_mutex);
- list_for_each_entry(queue, &nvmet_rdma_queue_list, queue_list) {
- if (queue->nvme_sq.ctrl == ctrl) {
- list_del_init(&queue->queue_list);
- mutex_unlock(&nvmet_rdma_queue_mutex);
-
- __nvmet_rdma_queue_disconnect(queue);
- goto restart;
- }
+ list_for_each_entry_safe(queue, n, &nvmet_rdma_queue_list, queue_list) {
+ if (queue->nvme_sq.ctrl != ctrl)
+ continue;
+ list_del_init(&queue->queue_list);
+ __nvmet_rdma_queue_disconnect(queue);
}
mutex_unlock(&nvmet_rdma_queue_mutex);
}
diff --git a/include/trace/events/nbd.h b/include/trace/events/nbd.h
index 9849956f34d8..390d98a05c9d 100644
--- a/include/trace/events/nbd.h
+++ b/include/trace/events/nbd.h
@@ -72,7 +72,7 @@ DECLARE_EVENT_CLASS(nbd_send_request,
),
TP_fast_assign(
- __entry->nbd_request = 0;
+ __entry->nbd_request = NULL;
__entry->dev_index = index;
__entry->request = rq;
),
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-12 03:10:40 +0300