diff options
Diffstat (limited to 'drivers/md/dm.c')
| -rw-r--r-- | drivers/md/dm.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index d5370a94b2c..33f20103d8d 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -386,10 +386,12 @@ static int dm_blk_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg) { struct mapped_device *md = bdev->bd_disk->private_data; - struct dm_table *map = dm_get_live_table(md); + struct dm_table *map; struct dm_target *tgt; int r = -ENOTTY; +retry: + map = dm_get_live_table(md); if (!map || !dm_table_get_size(map)) goto out; @@ -410,6 +412,11 @@ static int dm_blk_ioctl(struct block_device *bdev, fmode_t mode, out: dm_table_put(map); + if (r == -ENOTCONN) { + msleep(10); + goto retry; + } + return r; } |