diff options
Diffstat (limited to 'fs/btrfs/scrub.c')
-rw-r--r-- | fs/btrfs/scrub.c | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index f21e2df89bc..12009b4279a 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -2932,13 +2932,15 @@ int btrfs_scrub_dev(struct btrfs_fs_info *fs_info, u64 devid, u64 start, atomic_inc(&fs_info->scrubs_running); mutex_unlock(&fs_info->scrub_lock); - mutex_unlock(&fs_info->fs_devices->device_list_mutex); if (!is_dev_replace) { - down_read(&fs_info->scrub_super_lock); + /* + * by holding device list mutex, we can + * kick off writing super in log tree sync. + */ ret = scrub_supers(sctx, dev); - up_read(&fs_info->scrub_super_lock); } + mutex_unlock(&fs_info->fs_devices->device_list_mutex); if (!ret) ret = scrub_enumerate_chunks(sctx, dev, start, end, @@ -2988,16 +2990,6 @@ void btrfs_scrub_continue(struct btrfs_root *root) wake_up(&fs_info->scrub_pause_wait); } -void btrfs_scrub_pause_super(struct btrfs_root *root) -{ - down_write(&root->fs_info->scrub_super_lock); -} - -void btrfs_scrub_continue_super(struct btrfs_root *root) -{ - up_write(&root->fs_info->scrub_super_lock); -} - int btrfs_scrub_cancel(struct btrfs_fs_info *fs_info) { mutex_lock(&fs_info->scrub_lock); |