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authorIlya Dryomov <idryomov@gmail.com>2012-06-22 12:24:13 -0600
committerChris Mason <chris.mason@fusionio.com>2012-07-02 15:39:17 -0400
commit2b6ba629b5aac51e7099efbb43e2b403213aa7fb (patch)
tree0a36f4adb14a57fdf4ee1dafa957927b6a6f9203 /fs/btrfs/disk-io.c
parent68310a5e42f93c2242ec1836c3b18d531e0065e2 (diff)
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Btrfs: resume balance on rw (re)mounts properly
This introduces btrfs_resume_balance_async(), which, given that restriper state was recovered earlier by btrfs_recover_balance(), resumes balance in btrfs-balance kthread. Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/btrfs/disk-io.c')
-rw-r--r--fs/btrfs/disk-io.c24
1 files changed, 15 insertions, 9 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 3a7961ba161e..8cc47103a32e 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2490,17 +2490,23 @@ retry_root_backup:
goto fail_trans_kthread;
}
- if (!(sb->s_flags & MS_RDONLY)) {
- down_read(&fs_info->cleanup_work_sem);
- err = btrfs_orphan_cleanup(fs_info->fs_root);
- if (!err)
- err = btrfs_orphan_cleanup(fs_info->tree_root);
+ if (sb->s_flags & MS_RDONLY)
+ return 0;
+
+ down_read(&fs_info->cleanup_work_sem);
+ if ((ret = btrfs_orphan_cleanup(fs_info->fs_root)) ||
+ (ret = btrfs_orphan_cleanup(fs_info->tree_root))) {
up_read(&fs_info->cleanup_work_sem);
+ close_ctree(tree_root);
+ return ret;
+ }
+ up_read(&fs_info->cleanup_work_sem);
- if (err) {
- close_ctree(tree_root);
- return err;
- }
+ ret = btrfs_resume_balance_async(fs_info);
+ if (ret) {
+ printk(KERN_WARNING "btrfs: failed to resume balance\n");
+ close_ctree(tree_root);
+ return ret;
}
return 0;