diff options
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/dm-table.c | 4 | ||||
| -rw-r--r-- | drivers/md/dm.c | 6 |
2 files changed, 8 insertions, 2 deletions
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index c68757f94e16..515136f29115 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -1680,6 +1680,8 @@ static void suspend_targets(struct dm_table *t, enum suspend_mode mode) int i = t->num_targets; struct dm_target *ti = t->targets; + lockdep_assert_held(&t->md->suspend_lock); + while (i--) { switch (mode) { case PRESUSPEND: @@ -1727,6 +1729,8 @@ int dm_table_resume_targets(struct dm_table *t) { int i, r = 0; + lockdep_assert_held(&t->md->suspend_lock); + for (i = 0; i < t->num_targets; i++) { struct dm_target *ti = t->targets + i; diff --git a/drivers/md/dm.c b/drivers/md/dm.c index e602ae0d5d75..9940c9a42665 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1698,6 +1698,8 @@ static void event_callback(void *context) */ static void __set_size(struct mapped_device *md, sector_t size) { + lockdep_assert_held(&md->suspend_lock); + set_capacity(md->disk, size); i_size_write(md->bdev->bd_inode, (loff_t)size << SECTOR_SHIFT); @@ -2147,8 +2149,6 @@ static void unlock_fs(struct mapped_device *md) * If __dm_suspend returns 0, the device is completely quiescent * now. There is no request-processing activity. All new requests * are being added to md->deferred list. - * - * Caller must hold md->suspend_lock */ static int __dm_suspend(struct mapped_device *md, struct dm_table *map, unsigned suspend_flags, long task_state, @@ -2364,6 +2364,8 @@ static void __dm_internal_suspend(struct mapped_device *md, unsigned suspend_fla { struct dm_table *map = NULL; + lockdep_assert_held(&md->suspend_lock); + if (md->internal_suspend_count++) return; /* nested internal suspend */ |