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path: root/drivers/md/dm-ioctl.c
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Diffstat (limited to 'drivers/md/dm-ioctl.c')
-rw-r--r--drivers/md/dm-ioctl.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index 4702f380cb45..ed8585954a3a 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -1189,7 +1189,7 @@ static int table_load(struct dm_ioctl *param, size_t param_size)
goto out;
}
- /* Protect md->type against concurrent table loads. */
+ /* Protect md->type and md->queue against concurrent table loads. */
dm_lock_md_type(md);
if (dm_get_md_type(md) == DM_TYPE_NONE)
/* Initial table load: acquire type of table. */
@@ -1201,6 +1201,15 @@ static int table_load(struct dm_ioctl *param, size_t param_size)
r = -EINVAL;
goto out;
}
+
+ /* setup md->queue to reflect md's type (may block) */
+ r = dm_setup_md_queue(md);
+ if (r) {
+ DMWARN("unable to set up device queue for new table.");
+ dm_table_destroy(t);
+ dm_unlock_md_type(md);
+ goto out;
+ }
dm_unlock_md_type(md);
/* stage inactive table */