diff options
| -rw-r--r-- | fs/btrfs/block-group.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c index 616507596671..9d9f09f25f8f 100644 --- a/fs/btrfs/block-group.c +++ b/fs/btrfs/block-group.c @@ -1794,8 +1794,15 @@ void btrfs_reclaim_bgs_work(struct work_struct *work) } spin_unlock(&bg->lock); - /* Get out fast, in case we're unmounting the filesystem */ - if (btrfs_fs_closing(fs_info)) { + /* + * Get out fast, in case we're read-only or unmounting the + * filesystem. It is OK to drop block groups from the list even + * for the read-only case. As we did sb_start_write(), + * "mount -o remount,ro" won't happen and read-only filesystem + * means it is forced read-only due to a fatal error. So, it + * never gets back to read-write to let us reclaim again. + */ + if (btrfs_need_cleaner_sleep(fs_info)) { up_write(&space_info->groups_sem); goto next; } |