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@xxxxxxxxxx> --- fs/btrfs/volumes.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 5cce6aa..996af00 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -1468,7 +1468,9 @@ 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; -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
