[PATCH 1/6] btrfs: do not check for ->num_devices == 0 in rm_device
From: Josef Bacik <josef@toxicpanda.com>
Date: 2021-07-27 19:47:55
Subsystem:
btrfs file system, filesystems (vfs and infrastructure), the rest · Maintainers:
Chris Mason, David Sterba, Alexander Viro, Christian Brauner, Linus Torvalds
We're specifically prohibited from removing the last device in a file system, so this check is meaningless and the code can be deleted. Signed-off-by: Josef Bacik <josef@toxicpanda.com> --- fs/btrfs/volumes.c | 7 ------- 1 file changed, 7 deletions(-)
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 86846d6e58d0..373be4e54f28 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c@@ -2199,13 +2199,6 @@ int btrfs_rm_device(struct btrfs_fs_info *fs_info, const char *device_path, btrfs_close_bdev(device); synchronize_rcu(); btrfs_free_device(device); - - if (cur_devices->open_devices == 0) { - list_del_init(&cur_devices->seed_list); - close_fs_devices(cur_devices); - free_fs_devices(cur_devices); - } - out: mutex_unlock(&uuid_mutex); return ret;
--
2.26.3