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block-6.7-2023-11-23

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Merge tag 'block-6.7-2023-11-23' of git://git.kernel.dk/linux

Pull block fixes from Jens Axboe:
 "A bit bigger than usual at this time, but nothing really earth
  shattering:

   - NVMe pull request via Keith:
       - TCP TLS fixes (Hannes)
       - Authentifaction fixes (Mark, Hannes)
       - Properly terminate target names (Christoph)

   - MD pull request via Song, fixing a raid5 corruption issue

   - Disentanglement of the dependency mess in nvme introduced with the
     tls additions. Now it should actually build on all configs (Arnd)

   - Series of bcache fixes (Coly)

   - Removal of a dead helper (Damien)

   - s390 dasd fix (Muhammad, Jan)

   - lockdep blk-cgroup fixes (Ming)"

* tag 'block-6.7-2023-11-23' of git://git.kernel.dk/linux: (33 commits)
  nvme: tcp: fix compile-time checks for TLS mode
  nvme: target: fix Kconfig select statements
  nvme: target: fix nvme_keyring_id() references
  nvme: move nvme_stop_keep_alive() back to original position
  nbd: pass nbd_sock to nbd_read_reply() instead of index
  s390/dasd: protect device queue against concurrent access
  s390/dasd: resolve spelling mistake
  block/null_blk: Fix double blk_mq_start_request() warning
  nvmet-tcp: always initialize tls_handshake_tmo_work
  nvmet: nul-terminate the NQNs passed in the connect command
  nvme: blank out authentication fabrics options if not configured
  nvme: catch errors from nvme_configure_metadata()
  nvme-tcp: only evaluate 'tls' option if TLS is selected
  nvme-auth: set explanation code for failure2 msgs
  nvme-auth: unlock mutex in one place only
  block: Remove blk_set_runtime_active()
  nbd: fix null-ptr-dereference while accessing 'nbd->config'
  nbd: factor out a helper to get nbd_config without holding 'config_lock'
  nbd: fold nbd config initialization into nbd_alloc_config()
  bcache: avoid NULL checking to c->root in run_cache_set()
  ...
This commit is contained in:
Linus Torvalds 2023-11-23 17:40:15 -08:00
commit bc893f744e
25 changed files with 210 additions and 148 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
block/blk-cgroup.c
View file

@ -577,6 +577,7 @@ static void blkg_destroy_all(struct gendisk *disk)
struct request_queue *q = disk->queue;
struct blkcg_gq *blkg, *n;
int count = BLKG_DESTROY_BATCH_SIZE;
int i;
restart:
spin_lock_irq(&q->queue_lock);
@ -602,6 +603,18 @@ restart:
}
}
/*
* Mark policy deactivated since policy offline has been done, and
* the free is scheduled, so future blkcg_deactivate_policy() can
* be bypassed
*/
for (i = 0; i < BLKCG_MAX_POLS; i++) {
struct blkcg_policy *pol = blkcg_policy[i];
if (pol)
__clear_bit(pol->plid, q->blkcg_pols);
}
q->root_blkg = NULL;
spin_unlock_irq(&q->queue_lock);
}

2
block/blk-cgroup.h
View file

@ -249,8 +249,6 @@ static inline struct blkcg_gq *blkg_lookup(struct blkcg *blkcg,
{
struct blkcg_gq *blkg;
WARN_ON_ONCE(!rcu_read_lock_held());
if (blkcg == &blkcg_root)
return q->root_blkg;

33
block/blk-pm.c
View file

@ -163,38 +163,15 @@ EXPORT_SYMBOL(blk_pre_runtime_resume);
* @q: the queue of the device
*
* Description:
* For historical reasons, this routine merely calls blk_set_runtime_active()
* to do the real work of restarting the queue. It does this regardless of
* whether the device's runtime-resume succeeded; even if it failed the
* Restart the queue of a runtime suspended device. It does this regardless
* of whether the device's runtime-resume succeeded; even if it failed the
* driver or error handler will need to communicate with the device.
*
* This function should be called near the end of the device's
* runtime_resume callback.
* runtime_resume callback to correct queue runtime PM status and re-enable
* peeking requests from the queue.
*/
void blk_post_runtime_resume(struct request_queue *q)
{
blk_set_runtime_active(q);
}
EXPORT_SYMBOL(blk_post_runtime_resume);
/**
* blk_set_runtime_active - Force runtime status of the queue to be active
* @q: the queue of the device
*
* If the device is left runtime suspended during system suspend the resume
* hook typically resumes the device and corrects runtime status
* accordingly. However, that does not affect the queue runtime PM status
* which is still "suspended". This prevents processing requests from the
* queue.
*
* This function can be used in driver's resume hook to correct queue
* runtime PM status and re-enable peeking requests from the queue. It
* should be called before first request is added to the queue.
*
* This function is also called by blk_post_runtime_resume() for
* runtime resumes. It does everything necessary to restart the queue.
*/
void blk_set_runtime_active(struct request_queue *q)
{
int old_status;
@ -211,4 +188,4 @@ void blk_set_runtime_active(struct request_queue *q)
if (old_status != RPM_ACTIVE)
blk_clear_pm_only(q);
}
EXPORT_SYMBOL(blk_set_runtime_active);
EXPORT_SYMBOL(blk_post_runtime_resume);

2
block/blk-throttle.c
View file

@ -1320,6 +1320,7 @@ static void tg_conf_updated(struct throtl_grp *tg, bool global)
tg_bps_limit(tg, READ), tg_bps_limit(tg, WRITE),
tg_iops_limit(tg, READ), tg_iops_limit(tg, WRITE));
rcu_read_lock();
/*
* Update has_rules[] flags for the updated tg's subtree. A tg is
* considered to have rules if either the tg itself or any of its
@ -1347,6 +1348,7 @@ static void tg_conf_updated(struct throtl_grp *tg, bool global)
this_tg->latency_target = max(this_tg->latency_target,
parent_tg->latency_target);
}
rcu_read_unlock();
/*
* We're already holding queue_lock and know @tg is valid. Let's

117
drivers/block/nbd.c
View file

@ -67,6 +67,7 @@ struct nbd_sock {
struct recv_thread_args {
struct work_struct work;
struct nbd_device *nbd;
struct nbd_sock *nsock;
int index;
};
@ -395,6 +396,22 @@ static u32 req_to_nbd_cmd_type(struct request *req)
}
}
static struct nbd_config *nbd_get_config_unlocked(struct nbd_device *nbd)
{
if (refcount_inc_not_zero(&nbd->config_refs)) {
/*
* Add smp_mb__after_atomic to ensure that reading nbd->config_refs
* and reading nbd->config is ordered. The pair is the barrier in
* nbd_alloc_and_init_config(), avoid nbd->config_refs is set
* before nbd->config.
*/
smp_mb__after_atomic();
return nbd->config;
}
return NULL;
}
static enum blk_eh_timer_return nbd_xmit_timeout(struct request *req)
{
struct nbd_cmd *cmd = blk_mq_rq_to_pdu(req);
@ -409,13 +426,13 @@ static enum blk_eh_timer_return nbd_xmit_timeout(struct request *req)
return BLK_EH_DONE;
}
if (!refcount_inc_not_zero(&nbd->config_refs)) {
config = nbd_get_config_unlocked(nbd);
if (!config) {
cmd->status = BLK_STS_TIMEOUT;
__clear_bit(NBD_CMD_INFLIGHT, &cmd->flags);
mutex_unlock(&cmd->lock);
goto done;
}
config = nbd->config;
if (config->num_connections > 1 ||
(config->num_connections == 1 && nbd->tag_set.timeout)) {
@ -489,15 +506,9 @@ done:
return BLK_EH_DONE;
}
/*
* Send or receive packet. Return a positive value on success and
* negtive value on failue, and never return 0.
*/
static int sock_xmit(struct nbd_device *nbd, int index, int send,
struct iov_iter *iter, int msg_flags, int *sent)
static int __sock_xmit(struct nbd_device *nbd, struct socket *sock, int send,
struct iov_iter *iter, int msg_flags, int *sent)
{
struct nbd_config *config = nbd->config;
struct socket *sock = config->socks[index]->sock;
int result;
struct msghdr msg;
unsigned int noreclaim_flag;
@ -540,6 +551,19 @@ static int sock_xmit(struct nbd_device *nbd, int index, int send,
return result;
}
/*
* Send or receive packet. Return a positive value on success and
* negtive value on failure, and never return 0.
*/
static int sock_xmit(struct nbd_device *nbd, int index, int send,
struct iov_iter *iter, int msg_flags, int *sent)
{
struct nbd_config *config = nbd->config;
struct socket *sock = config->socks[index]->sock;
return __sock_xmit(nbd, sock, send, iter, msg_flags, sent);
}
/*
* Different settings for sk->sk_sndtimeo can result in different return values
* if there is a signal pending when we enter sendmsg, because reasons?
@ -696,7 +720,7 @@ out:
return 0;
}
static int nbd_read_reply(struct nbd_device *nbd, int index,
static int nbd_read_reply(struct nbd_device *nbd, struct socket *sock,
struct nbd_reply *reply)
{
struct kvec iov = {.iov_base = reply, .iov_len = sizeof(*reply)};
@ -705,7 +729,7 @@ static int nbd_read_reply(struct nbd_device *nbd, int index,
reply->magic = 0;
iov_iter_kvec(&to, ITER_DEST, &iov, 1, sizeof(*reply));
result = sock_xmit(nbd, index, 0, &to, MSG_WAITALL, NULL);
result = __sock_xmit(nbd, sock, 0, &to, MSG_WAITALL, NULL);
if (result < 0) {
if (!nbd_disconnected(nbd->config))
dev_err(disk_to_dev(nbd->disk),
@ -829,14 +853,14 @@ static void recv_work(struct work_struct *work)
struct nbd_device *nbd = args->nbd;
struct nbd_config *config = nbd->config;
struct request_queue *q = nbd->disk->queue;
struct nbd_sock *nsock;
struct nbd_sock *nsock = args->nsock;
struct nbd_cmd *cmd;
struct request *rq;
while (1) {
struct nbd_reply reply;
if (nbd_read_reply(nbd, args->index, &reply))
if (nbd_read_reply(nbd, nsock->sock, &reply))
break;
/*
@ -871,7 +895,6 @@ static void recv_work(struct work_struct *work)
percpu_ref_put(&q->q_usage_counter);
}
nsock = config->socks[args->index];
mutex_lock(&nsock->tx_lock);
nbd_mark_nsock_dead(nbd, nsock, 1);
mutex_unlock(&nsock->tx_lock);
@ -977,12 +1000,12 @@ static int nbd_handle_cmd(struct nbd_cmd *cmd, int index)
struct nbd_sock *nsock;
int ret;
if (!refcount_inc_not_zero(&nbd->config_refs)) {
config = nbd_get_config_unlocked(nbd);
if (!config) {
dev_err_ratelimited(disk_to_dev(nbd->disk),
"Socks array is empty\n");
return -EINVAL;
}
config = nbd->config;
if (index >= config->num_connections) {
dev_err_ratelimited(disk_to_dev(nbd->disk),
@ -1215,6 +1238,7 @@ static int nbd_reconnect_socket(struct nbd_device *nbd, unsigned long arg)
INIT_WORK(&args->work, recv_work);
args->index = i;
args->nbd = nbd;
args->nsock = nsock;
nsock->cookie++;
mutex_unlock(&nsock->tx_lock);
sockfd_put(old);
@ -1397,6 +1421,7 @@ static int nbd_start_device(struct nbd_device *nbd)
refcount_inc(&nbd->config_refs);
INIT_WORK(&args->work, recv_work);
args->nbd = nbd;
args->nsock = config->socks[i];
args->index = i;
queue_work(nbd->recv_workq, &args->work);
}
@ -1530,17 +1555,20 @@ static int nbd_ioctl(struct block_device *bdev, blk_mode_t mode,
return error;
}
static struct nbd_config *nbd_alloc_config(void)
static int nbd_alloc_and_init_config(struct nbd_device *nbd)
{
struct nbd_config *config;
if (WARN_ON(nbd->config))
return -EINVAL;
if (!try_module_get(THIS_MODULE))
return ERR_PTR(-ENODEV);
return -ENODEV;
config = kzalloc(sizeof(struct nbd_config), GFP_NOFS);
if (!config) {
module_put(THIS_MODULE);
return ERR_PTR(-ENOMEM);
return -ENOMEM;
}
atomic_set(&config->recv_threads, 0);
@ -1548,12 +1576,24 @@ static struct nbd_config *nbd_alloc_config(void)
init_waitqueue_head(&config->conn_wait);
config->blksize_bits = NBD_DEF_BLKSIZE_BITS;
atomic_set(&config->live_connections, 0);
return config;
nbd->config = config;
/*
* Order refcount_set(&nbd->config_refs, 1) and nbd->config assignment,
* its pair is the barrier in nbd_get_config_unlocked().
* So nbd_get_config_unlocked() won't see nbd->config as null after
* refcount_inc_not_zero() succeed.
*/
smp_mb__before_atomic();
refcount_set(&nbd->config_refs, 1);
return 0;
}
static int nbd_open(struct gendisk *disk, blk_mode_t mode)
{
struct nbd_device *nbd;
struct nbd_config *config;
int ret = 0;
mutex_lock(&nbd_index_mutex);
@ -1566,27 +1606,25 @@ static int nbd_open(struct gendisk *disk, blk_mode_t mode)
ret = -ENXIO;
goto out;
}
if (!refcount_inc_not_zero(&nbd->config_refs)) {
struct nbd_config *config;
config = nbd_get_config_unlocked(nbd);
if (!config) {
mutex_lock(&nbd->config_lock);
if (refcount_inc_not_zero(&nbd->config_refs)) {
mutex_unlock(&nbd->config_lock);
goto out;
}
config = nbd_alloc_config();
if (IS_ERR(config)) {
ret = PTR_ERR(config);
ret = nbd_alloc_and_init_config(nbd);
if (ret) {
mutex_unlock(&nbd->config_lock);
goto out;
}
nbd->config = config;
refcount_set(&nbd->config_refs, 1);
refcount_inc(&nbd->refs);
mutex_unlock(&nbd->config_lock);
if (max_part)
set_bit(GD_NEED_PART_SCAN, &disk->state);
} else if (nbd_disconnected(nbd->config)) {
} else if (nbd_disconnected(config)) {
if (max_part)
set_bit(GD_NEED_PART_SCAN, &disk->state);
}
@ -1990,22 +2028,17 @@ again:
pr_err("nbd%d already in use\n", index);
return -EBUSY;
}
if (WARN_ON(nbd->config)) {
mutex_unlock(&nbd->config_lock);
nbd_put(nbd);
return -EINVAL;
}
config = nbd_alloc_config();
if (IS_ERR(config)) {
ret = nbd_alloc_and_init_config(nbd);
if (ret) {
mutex_unlock(&nbd->config_lock);
nbd_put(nbd);
pr_err("couldn't allocate config\n");
return PTR_ERR(config);
return ret;
}
nbd->config = config;
refcount_set(&nbd->config_refs, 1);
set_bit(NBD_RT_BOUND, &config->runtime_flags);
config = nbd->config;
set_bit(NBD_RT_BOUND, &config->runtime_flags);
ret = nbd_genl_size_set(info, nbd);
if (ret)
goto out;
@ -2208,7 +2241,8 @@ static int nbd_genl_reconfigure(struct sk_buff *skb, struct genl_info *info)
}
mutex_unlock(&nbd_index_mutex);
if (!refcount_inc_not_zero(&nbd->config_refs)) {
config = nbd_get_config_unlocked(nbd);
if (!config) {
dev_err(nbd_to_dev(nbd),
"not configured, cannot reconfigure\n");
nbd_put(nbd);
@ -2216,7 +2250,6 @@ static int nbd_genl_reconfigure(struct sk_buff *skb, struct genl_info *info)
}
mutex_lock(&nbd->config_lock);
config = nbd->config;
if (!test_bit(NBD_RT_BOUND, &config->runtime_flags) ||
!nbd->pid) {
dev_err(nbd_to_dev(nbd),

25
drivers/block/null_blk/main.c
View file

@ -1464,19 +1464,13 @@ blk_status_t null_process_cmd(struct nullb_cmd *cmd, enum req_op op,
return BLK_STS_OK;
}
static blk_status_t null_handle_cmd(struct nullb_cmd *cmd, sector_t sector,
sector_t nr_sectors, enum req_op op)
static void null_handle_cmd(struct nullb_cmd *cmd, sector_t sector,
sector_t nr_sectors, enum req_op op)
{
struct nullb_device *dev = cmd->nq->dev;
struct nullb *nullb = dev->nullb;
blk_status_t sts;
if (test_bit(NULLB_DEV_FL_THROTTLED, &dev->flags)) {
sts = null_handle_throttled(cmd);
if (sts != BLK_STS_OK)
return sts;
}
if (op == REQ_OP_FLUSH) {
cmd->error = errno_to_blk_status(null_handle_flush(nullb));
goto out;
@ -1493,7 +1487,6 @@ static blk_status_t null_handle_cmd(struct nullb_cmd *cmd, sector_t sector,
out:
nullb_complete_cmd(cmd);
return BLK_STS_OK;
}
static enum hrtimer_restart nullb_bwtimer_fn(struct hrtimer *timer)
@ -1724,8 +1717,6 @@ static blk_status_t null_queue_rq(struct blk_mq_hw_ctx *hctx,
cmd->fake_timeout = should_timeout_request(rq) ||
blk_should_fake_timeout(rq->q);
blk_mq_start_request(rq);
if (should_requeue_request(rq)) {
/*
* Alternate between hitting the core BUSY path, and the
@ -1738,6 +1729,15 @@ static blk_status_t null_queue_rq(struct blk_mq_hw_ctx *hctx,
return BLK_STS_OK;
}
if (test_bit(NULLB_DEV_FL_THROTTLED, &nq->dev->flags)) {
blk_status_t sts = null_handle_throttled(cmd);
if (sts != BLK_STS_OK)
return sts;
}
blk_mq_start_request(rq);
if (is_poll) {
spin_lock(&nq->poll_lock);
list_add_tail(&rq->queuelist, &nq->poll_list);
@ -1747,7 +1747,8 @@ static blk_status_t null_queue_rq(struct blk_mq_hw_ctx *hctx,
if (cmd->fake_timeout)
return BLK_STS_OK;
return null_handle_cmd(cmd, sector, nr_sectors, req_op(rq));
null_handle_cmd(cmd, sector, nr_sectors, req_op(rq));
return BLK_STS_OK;
}
static void null_queue_rqs(struct request **rqlist)

1
drivers/md/bcache/bcache.h
View file

@ -265,6 +265,7 @@ struct bcache_device {
#define BCACHE_DEV_WB_RUNNING 3
#define BCACHE_DEV_RATE_DW_RUNNING 4
int nr_stripes;
#define BCH_MIN_STRIPE_SZ ((4 << 20) >> SECTOR_SHIFT)
unsigned int stripe_size;
atomic_t *stripe_sectors_dirty;
unsigned long *full_dirty_stripes;

11
drivers/md/bcache/btree.c
View file

@ -1000,6 +1000,9 @@ err:
*
* The btree node will have either a read or a write lock held, depending on
* level and op->lock.
*
* Note: Only error code or btree pointer will be returned, it is unncessary
* for callers to check NULL pointer.
*/
struct btree *bch_btree_node_get(struct cache_set *c, struct btree_op *op,
struct bkey *k, int level, bool write,
@ -1111,6 +1114,10 @@ retry:
mutex_unlock(&b->c->bucket_lock);
}
/*
* Only error code or btree pointer will be returned, it is unncessary for
* callers to check NULL pointer.
*/
struct btree *__bch_btree_node_alloc(struct cache_set *c, struct btree_op *op,
int level, bool wait,
struct btree *parent)
@ -1368,7 +1375,7 @@ static int btree_gc_coalesce(struct btree *b, struct btree_op *op,
memset(new_nodes, 0, sizeof(new_nodes));
closure_init_stack(&cl);
while (nodes < GC_MERGE_NODES && !IS_ERR(r[nodes].b))
while (nodes < GC_MERGE_NODES && !IS_ERR_OR_NULL(r[nodes].b))
keys += r[nodes++].keys;
blocks = btree_default_blocks(b->c) * 2 / 3;
@ -1532,6 +1539,8 @@ static int btree_gc_rewrite_node(struct btree *b, struct btree_op *op,
return 0;
n = btree_node_alloc_replacement(replace, NULL);
if (IS_ERR(n))
return 0;
/* recheck reserve after allocating replacement node */
if (btree_check_reserve(b, NULL)) {

4
drivers/md/bcache/super.c
View file

@ -905,6 +905,8 @@ static int bcache_device_init(struct bcache_device *d, unsigned int block_size,
if (!d->stripe_size)
d->stripe_size = 1 << 31;
else if (d->stripe_size < BCH_MIN_STRIPE_SZ)
d->stripe_size = roundup(BCH_MIN_STRIPE_SZ, d->stripe_size);
n = DIV_ROUND_UP_ULL(sectors, d->stripe_size);
if (!n || n > max_stripes) {
@ -2016,7 +2018,7 @@ static int run_cache_set(struct cache_set *c)
c->root = bch_btree_node_get(c, NULL, k,
j->btree_level,
true, NULL);
if (IS_ERR_OR_NULL(c->root))
if (IS_ERR(c->root))
goto err;
list_del_init(&c->root->list);

2
drivers/md/bcache/sysfs.c
View file

@ -1104,7 +1104,7 @@ SHOW(__bch_cache)
sum += INITIAL_PRIO - cached[i];
if (n)
do_div(sum, n);
sum = div64_u64(sum, n);
for (i = 0; i < ARRAY_SIZE(q); i++)
q[i] = INITIAL_PRIO - cached[n * (i + 1) /

24
drivers/md/bcache/writeback.c
View file

@ -913,7 +913,7 @@ static int bch_dirty_init_thread(void *arg)
int cur_idx, prev_idx, skip_nr;
k = p = NULL;
cur_idx = prev_idx = 0;
prev_idx = 0;
bch_btree_iter_init(&c->root->keys, &iter, NULL);
k = bch_btree_iter_next_filter(&iter, &c->root->keys, bch_ptr_bad);
@ -977,24 +977,35 @@ static int bch_btre_dirty_init_thread_nr(void)
void bch_sectors_dirty_init(struct bcache_device *d)
{
int i;
struct btree *b = NULL;
struct bkey *k = NULL;
struct btree_iter iter;
struct sectors_dirty_init op;
struct cache_set *c = d->c;
struct bch_dirty_init_state state;
retry_lock:
b = c->root;
rw_lock(0, b, b->level);
if (b != c->root) {
rw_unlock(0, b);
goto retry_lock;
}
/* Just count root keys if no leaf node */
rw_lock(0, c->root, c->root->level);
if (c->root->level == 0) {
bch_btree_op_init(&op.op, -1);
op.inode = d->id;
op.count = 0;
for_each_key_filter(&c->root->keys,
k, &iter, bch_ptr_invalid)
k, &iter, bch_ptr_invalid) {
if (KEY_INODE(k) != op.inode)
continue;
sectors_dirty_init_fn(&op.op, c->root, k);
}
rw_unlock(0, c->root);
rw_unlock(0, b);
return;
}
@ -1014,23 +1025,24 @@ void bch_sectors_dirty_init(struct bcache_device *d)
if (atomic_read(&state.enough))
break;
atomic_inc(&state.started);
state.infos[i].state = &state;
state.infos[i].thread =
kthread_run(bch_dirty_init_thread, &state.infos[i],
"bch_dirtcnt[%d]", i);
if (IS_ERR(state.infos[i].thread)) {
pr_err("fails to run thread bch_dirty_init[%d]\n", i);
atomic_dec(&state.started);
for (--i; i >= 0; i--)
kthread_stop(state.infos[i].thread);
goto out;
}
atomic_inc(&state.started);
}
out:
/* Must wait for all threads to stop. */
wait_event(state.wait, atomic_read(&state.started) == 0);
rw_unlock(0, c->root);
rw_unlock(0, b);
}
void bch_cached_dev_writeback_init(struct cached_dev *dc)

3
drivers/md/md.c
View file

@ -8666,7 +8666,8 @@ static void md_end_clone_io(struct bio *bio)
struct bio *orig_bio = md_io_clone->orig_bio;
struct mddev *mddev = md_io_clone->mddev;
orig_bio->bi_status = bio->bi_status;
if (bio->bi_status && !orig_bio->bi_status)
orig_bio->bi_status = bio->bi_status;
if (md_io_clone->start_time)
bio_end_io_acct(orig_bio, md_io_clone->start_time);

5
drivers/nvme/host/auth.c
View file

@ -757,12 +757,11 @@ static void nvme_queue_auth_work(struct work_struct *work)
__func__, chap->qid);
mutex_lock(&ctrl->dhchap_auth_mutex);
ret = nvme_auth_dhchap_setup_host_response(ctrl, chap);
mutex_unlock(&ctrl->dhchap_auth_mutex);
if (ret) {
mutex_unlock(&ctrl->dhchap_auth_mutex);
chap->error = ret;
goto fail2;
}
mutex_unlock(&ctrl->dhchap_auth_mutex);
/* DH-HMAC-CHAP Step 3: send reply */
dev_dbg(ctrl->device, "%s: qid %d send reply\n",
@ -839,6 +838,8 @@ static void nvme_queue_auth_work(struct work_struct *work)
}
fail2:
if (chap->status == 0)
chap->status = NVME_AUTH_DHCHAP_FAILURE_FAILED;
dev_dbg(ctrl->device, "%s: qid %d send failure2, status %x\n",
__func__, chap->qid, chap->status);
tl = nvme_auth_set_dhchap_failure2_data(ctrl, chap);

21
drivers/nvme/host/core.c
View file

@ -482,7 +482,6 @@ EXPORT_SYMBOL_GPL(nvme_cancel_tagset);
void nvme_cancel_admin_tagset(struct nvme_ctrl *ctrl)
{
nvme_stop_keep_alive(ctrl);
if (ctrl->admin_tagset) {
blk_mq_tagset_busy_iter(ctrl->admin_tagset,
nvme_cancel_request, ctrl);
@ -1814,16 +1813,18 @@ set_pi:
return ret;
}
static void nvme_configure_metadata(struct nvme_ns *ns, struct nvme_id_ns *id)
static int nvme_configure_metadata(struct nvme_ns *ns, struct nvme_id_ns *id)
{
struct nvme_ctrl *ctrl = ns->ctrl;
int ret;
if (nvme_init_ms(ns, id))
return;
ret = nvme_init_ms(ns, id);
if (ret)
return ret;
ns->features &= ~(NVME_NS_METADATA_SUPPORTED | NVME_NS_EXT_LBAS);
if (!ns->ms || !(ctrl->ops->flags & NVME_F_METADATA_SUPPORTED))
return;
return 0;
if (ctrl->ops->flags & NVME_F_FABRICS) {
/*
@ -1832,7 +1833,7 @@ static void nvme_configure_metadata(struct nvme_ns *ns, struct nvme_id_ns *id)
* remap the separate metadata buffer from the block layer.
*/
if (WARN_ON_ONCE(!(id->flbas & NVME_NS_FLBAS_META_EXT)))
return;
return 0;
ns->features |= NVME_NS_EXT_LBAS;
@ -1859,6 +1860,7 @@ static void nvme_configure_metadata(struct nvme_ns *ns, struct nvme_id_ns *id)
else
ns->features |= NVME_NS_METADATA_SUPPORTED;
}
return 0;
}
static void nvme_set_queue_limits(struct nvme_ctrl *ctrl,
@ -2032,7 +2034,11 @@ static int nvme_update_ns_info_block(struct nvme_ns *ns,
ns->lba_shift = id->lbaf[lbaf].ds;
nvme_set_queue_limits(ns->ctrl, ns->queue);
nvme_configure_metadata(ns, id);
ret = nvme_configure_metadata(ns, id);
if (ret < 0) {
blk_mq_unfreeze_queue(ns->disk->queue);
goto out;
}
nvme_set_chunk_sectors(ns, id);
nvme_update_disk_info(ns->disk, ns, id);
@ -4348,6 +4354,7 @@ void nvme_stop_ctrl(struct nvme_ctrl *ctrl)
{
nvme_mpath_stop(ctrl);
nvme_auth_stop(ctrl);
nvme_stop_keep_alive(ctrl);
nvme_stop_failfast_work(ctrl);
flush_work(&ctrl->async_event_work);
cancel_work_sync(&ctrl->fw_act_work);

2
drivers/nvme/host/fabrics.c
View file

@ -667,8 +667,10 @@ static const match_table_t opt_tokens = {
#endif
{ NVMF_OPT_FAIL_FAST_TMO, "fast_io_fail_tmo=%d" },
{ NVMF_OPT_DISCOVERY, "discovery" },
#ifdef CONFIG_NVME_HOST_AUTH
{ NVMF_OPT_DHCHAP_SECRET, "dhchap_secret=%s" },
{ NVMF_OPT_DHCHAP_CTRL_SECRET, "dhchap_ctrl_secret=%s" },
#endif
#ifdef CONFIG_NVME_TCP_TLS
{ NVMF_OPT_TLS, "tls" },
#endif

19
drivers/nvme/host/fc.c
View file

@ -2530,12 +2530,6 @@ __nvme_fc_abort_outstanding_ios(struct nvme_fc_ctrl *ctrl, bool start_queues)
* clean up the admin queue. Same thing as above.
*/
nvme_quiesce_admin_queue(&ctrl->ctrl);
/*
* Open-coding nvme_cancel_admin_tagset() as fc
* is not using nvme_cancel_request().
*/
nvme_stop_keep_alive(&ctrl->ctrl);
blk_sync_queue(ctrl->ctrl.admin_q);
blk_mq_tagset_busy_iter(&ctrl->admin_tag_set,
nvme_fc_terminate_exchange, &ctrl->ctrl);
@ -3138,11 +3132,12 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl)
nvme_unquiesce_admin_queue(&ctrl->ctrl);
ret = nvme_init_ctrl_finish(&ctrl->ctrl, false);
if (!ret && test_bit(ASSOC_FAILED, &ctrl->flags))
ret = -EIO;
if (ret)
goto out_disconnect_admin_queue;
if (test_bit(ASSOC_FAILED, &ctrl->flags)) {
ret = -EIO;
goto out_stop_keep_alive;
}
/* sanity checks */
/* FC-NVME does not have other data in the capsule */
@ -3150,7 +3145,7 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl)
dev_err(ctrl->ctrl.device, "icdoff %d is not supported!\n",
ctrl->ctrl.icdoff);
ret = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
goto out_disconnect_admin_queue;
goto out_stop_keep_alive;
}
/* FC-NVME supports normal SGL Data Block Descriptors */
@ -3158,7 +3153,7 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl)
dev_err(ctrl->ctrl.device,
"Mandatory sgls are not supported!\n");
ret = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
goto out_disconnect_admin_queue;
goto out_stop_keep_alive;
}
if (opts->queue_size > ctrl->ctrl.maxcmd) {
@ -3205,6 +3200,8 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl)
out_term_aen_ops:
nvme_fc_term_aen_ops(ctrl);
out_stop_keep_alive:
nvme_stop_keep_alive(&ctrl->ctrl);
out_disconnect_admin_queue:
dev_warn(ctrl->ctrl.device,
"NVME-FC{%d}: create_assoc failed, assoc_id %llx ret %d\n",

1
drivers/nvme/host/rdma.c
View file

@ -1080,6 +1080,7 @@ destroy_io:
nvme_rdma_free_io_queues(ctrl);
}
destroy_admin:
nvme_stop_keep_alive(&ctrl->ctrl);
nvme_quiesce_admin_queue(&ctrl->ctrl);
blk_sync_queue(ctrl->ctrl.admin_q);
nvme_rdma_stop_queue(&ctrl->queues[0]);

32
drivers/nvme/host/tcp.c
View file

@ -36,11 +36,11 @@ static int so_priority;
module_param(so_priority, int, 0644);
MODULE_PARM_DESC(so_priority, "nvme tcp socket optimize priority");
#ifdef CONFIG_NVME_TCP_TLS
/*
* TLS handshake timeout
*/
static int tls_handshake_timeout = 10;
#ifdef CONFIG_NVME_TCP_TLS
module_param(tls_handshake_timeout, int, 0644);
MODULE_PARM_DESC(tls_handshake_timeout,
"nvme TLS handshake timeout in seconds (default 10)");
@ -161,10 +161,8 @@ struct nvme_tcp_queue {
struct ahash_request *snd_hash;
__le32 exp_ddgst;
__le32 recv_ddgst;
#ifdef CONFIG_NVME_TCP_TLS
struct completion tls_complete;
int tls_err;
#endif
struct page_frag_cache pf_cache;
void (*state_change)(struct sock *);
@ -207,6 +205,14 @@ static inline int nvme_tcp_queue_id(struct nvme_tcp_queue *queue)
return queue - queue->ctrl->queues;
}
static inline bool nvme_tcp_tls(struct nvme_ctrl *ctrl)
{
if (!IS_ENABLED(CONFIG_NVME_TCP_TLS))
return 0;
return ctrl->opts->tls;
}
static inline struct blk_mq_tags *nvme_tcp_tagset(struct nvme_tcp_queue *queue)
{
u32 queue_idx = nvme_tcp_queue_id(queue);
@ -1412,7 +1418,7 @@ static int nvme_tcp_init_connection(struct nvme_tcp_queue *queue)
memset(&msg, 0, sizeof(msg));
iov.iov_base = icresp;
iov.iov_len = sizeof(*icresp);
if (queue->ctrl->ctrl.opts->tls) {
if (nvme_tcp_tls(&queue->ctrl->ctrl)) {
msg.msg_control = cbuf;
msg.msg_controllen = sizeof(cbuf);
}
@ -1424,7 +1430,7 @@ static int nvme_tcp_init_connection(struct nvme_tcp_queue *queue)
goto free_icresp;
}
ret = -ENOTCONN;
if (queue->ctrl->ctrl.opts->tls) {
if (nvme_tcp_tls(&queue->ctrl->ctrl)) {
ctype = tls_get_record_type(queue->sock->sk,
(struct cmsghdr *)cbuf);
if (ctype != TLS_RECORD_TYPE_DATA) {
@ -1548,7 +1554,6 @@ static void nvme_tcp_set_queue_io_cpu(struct nvme_tcp_queue *queue)
queue->io_cpu = cpumask_next_wrap(n - 1, cpu_online_mask, -1, false);
}
#ifdef CONFIG_NVME_TCP_TLS
static void nvme_tcp_tls_done(void *data, int status, key_serial_t pskid)
{
struct nvme_tcp_queue *queue = data;
@ -1625,14 +1630,6 @@ static int nvme_tcp_start_tls(struct nvme_ctrl *nctrl,
}
return ret;
}
#else
static int nvme_tcp_start_tls(struct nvme_ctrl *nctrl,
struct nvme_tcp_queue *queue,
key_serial_t pskid)
{
return -EPROTONOSUPPORT;
}
#endif
static int nvme_tcp_alloc_queue(struct nvme_ctrl *nctrl, int qid,
key_serial_t pskid)
@ -1759,7 +1756,7 @@ static int nvme_tcp_alloc_queue(struct nvme_ctrl *nctrl, int qid,
}
/* If PSKs are configured try to start TLS */
if (pskid) {
if (IS_ENABLED(CONFIG_NVME_TCP_TLS) && pskid) {
ret = nvme_tcp_start_tls(nctrl, queue, pskid);
if (ret)
goto err_init_connect;
@ -1916,7 +1913,7 @@ static int nvme_tcp_alloc_admin_queue(struct nvme_ctrl *ctrl)
int ret;
key_serial_t pskid = 0;
if (ctrl->opts->tls) {
if (nvme_tcp_tls(ctrl)) {
if (ctrl->opts->tls_key)
pskid = key_serial(ctrl->opts->tls_key);
else
@ -1949,7 +1946,7 @@ static int __nvme_tcp_alloc_io_queues(struct nvme_ctrl *ctrl)
{
int i, ret;
if (ctrl->opts->tls && !ctrl->tls_key) {
if (nvme_tcp_tls(ctrl) && !ctrl->tls_key) {
dev_err(ctrl->device, "no PSK negotiated\n");
return -ENOKEY;
}
@ -2237,6 +2234,7 @@ destroy_io:
nvme_tcp_destroy_io_queues(ctrl, new);
}
destroy_admin:
nvme_stop_keep_alive(ctrl);
nvme_tcp_teardown_admin_queue(ctrl, false);
return ret;
}

4
drivers/nvme/target/Kconfig
View file

@ -4,6 +4,8 @@ config NVME_TARGET
tristate "NVMe Target support"
depends on BLOCK
depends on CONFIGFS_FS
select NVME_KEYRING if NVME_TARGET_TCP_TLS
select KEYS if NVME_TARGET_TCP_TLS
select BLK_DEV_INTEGRITY_T10 if BLK_DEV_INTEGRITY
select SGL_ALLOC
help
@ -87,9 +89,7 @@ config NVME_TARGET_TCP
config NVME_TARGET_TCP_TLS
bool "NVMe over Fabrics TCP target TLS encryption support"
depends on NVME_TARGET_TCP
select NVME_KEYRING
select NET_HANDSHAKE
select KEYS
help
Enables TLS encryption for the NVMe TCP target using the netlink handshake API.

2
drivers/nvme/target/configfs.c
View file

@ -1893,7 +1893,7 @@ static struct config_group *nvmet_ports_make(struct config_group *group,
return ERR_PTR(-ENOMEM);
}
if (nvme_keyring_id()) {
if (IS_ENABLED(CONFIG_NVME_TARGET_TCP_TLS) && nvme_keyring_id()) {
port->keyring = key_lookup(nvme_keyring_id());
if (IS_ERR(port->keyring)) {
pr_warn("NVMe keyring not available, disabling TLS\n");

4
drivers/nvme/target/fabrics-cmd.c
View file

@ -244,6 +244,8 @@ static void nvmet_execute_admin_connect(struct nvmet_req *req)
goto out;
}
d->subsysnqn[NVMF_NQN_FIELD_LEN - 1] = '\0';
d->hostnqn[NVMF_NQN_FIELD_LEN - 1] = '\0';
status = nvmet_alloc_ctrl(d->subsysnqn, d->hostnqn, req,
le32_to_cpu(c->kato), &ctrl);
if (status)
@ -313,6 +315,8 @@ static void nvmet_execute_io_connect(struct nvmet_req *req)
goto out;
}
d->subsysnqn[NVMF_NQN_FIELD_LEN - 1] = '\0';
d->hostnqn[NVMF_NQN_FIELD_LEN - 1] = '\0';
ctrl = nvmet_ctrl_find_get(d->subsysnqn, d->hostnqn,
le16_to_cpu(d->cntlid), req);
if (!ctrl) {

4
drivers/nvme/target/tcp.c
View file

@ -1854,6 +1854,8 @@ static int nvmet_tcp_tls_handshake(struct nvmet_tcp_queue *queue)
}
return ret;
}
#else
static void nvmet_tcp_tls_handshake_timeout(struct work_struct *w) {}
#endif
static void nvmet_tcp_alloc_queue(struct nvmet_tcp_port *port,
@ -1911,9 +1913,9 @@ static void nvmet_tcp_alloc_queue(struct nvmet_tcp_port *port,
list_add_tail(&queue->queue_list, &nvmet_tcp_queue_list);
mutex_unlock(&nvmet_tcp_queue_mutex);
#ifdef CONFIG_NVME_TARGET_TCP_TLS
INIT_DELAYED_WORK(&queue->tls_handshake_tmo_work,
nvmet_tcp_tls_handshake_timeout);
#ifdef CONFIG_NVME_TARGET_TCP_TLS
if (queue->state == NVMET_TCP_Q_TLS_HANDSHAKE) {
struct sock *sk = queue->sock->sk;

24
drivers/s390/block/dasd.c
View file

@ -676,18 +676,20 @@ static void dasd_profile_start(struct dasd_block *block,
* we count each request only once.
*/
device = cqr->startdev;
if (device->profile.data) {
counter = 1; /* request is not yet queued on the start device */
list_for_each(l, &device->ccw_queue)
if (++counter >= 31)
break;
}
if (!device->profile.data)
return;
spin_lock(get_ccwdev_lock(device->cdev));
counter = 1; /* request is not yet queued on the start device */
list_for_each(l, &device->ccw_queue)
if (++counter >= 31)
break;
spin_unlock(get_ccwdev_lock(device->cdev));
spin_lock(&device->profile.lock);
if (device->profile.data) {
device->profile.data->dasd_io_nr_req[counter]++;
if (rq_data_dir(req) == READ)
device->profile.data->dasd_read_nr_req[counter]++;
}
device->profile.data->dasd_io_nr_req[counter]++;
if (rq_data_dir(req) == READ)
device->profile.data->dasd_read_nr_req[counter]++;
spin_unlock(&device->profile.lock);
}

2
drivers/s390/block/dasd_int.h
View file

@ -283,7 +283,7 @@ struct dasd_pprc_dev_info {
__u8 secondary; /* 7 Secondary device address */
__u16 pprc_id; /* 8-9 Peer-to-Peer Remote Copy ID */
__u8 reserved2[12]; /* 10-21 reserved */
__u16 prim_cu_ssid; /* 22-23 Pimary Control Unit SSID */
__u16 prim_cu_ssid; /* 22-23 Primary Control Unit SSID */
__u8 reserved3[12]; /* 24-35 reserved */
__u16 sec_cu_ssid; /* 36-37 Secondary Control Unit SSID */
__u8 reserved4[90]; /* 38-127 reserved */

1
include/linux/blk-pm.h
View file

@ -15,7 +15,6 @@ extern int blk_pre_runtime_suspend(struct request_queue *q);
extern void blk_post_runtime_suspend(struct request_queue *q, int err);
extern void blk_pre_runtime_resume(struct request_queue *q);
extern void blk_post_runtime_resume(struct request_queue *q);
extern void blk_set_runtime_active(struct request_queue *q);
#else
static inline void blk_pm_runtime_init(struct request_queue *q,
struct device *dev) {}