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authorCarey Underwood2013-03-04 23:37:06 +0100
committerChris Mason2013-09-01 13:57:21 +0200
commitd790155457a830d064d57e742521f114d3c38108 (patch)
tree56fc549bfec1f525f04cc5ad5d9f6756e688c7b5 /fs/btrfs/volumes.c
parentBtrfs: set lockdep class before locking new extent buffer (diff)
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Btrfs: Release uuid_mutex for shrink during device delete
Device scanning waits on the uuid_mutex, which can result in a very long wait if dev delete is shrinking the device. Signed-off-by: Carey Underwood <cwillu@cwillu.com> Reviewed-by: David Sterba <dsterba@suse.cz> Signed-off-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Diffstat (limited to 'fs/btrfs/volumes.c')
-rw-r--r--fs/btrfs/volumes.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 78b871753cb6..b5c2b6acbf60 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1562,7 +1562,9 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path)
clear_super = true;
}
+ mutex_unlock(&uuid_mutex);
ret = btrfs_shrink_device(device, 0);
+ mutex_lock(&uuid_mutex);
if (ret)
goto error_undo;