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| author | Jan Schmidt <list.btrfs@jan-o-sch.net> | 2013-05-06 19:14:17 +0000 |
|---|---|---|
| committer | Josef Bacik <jbacik@fusionio.com> | 2013-06-14 11:29:22 -0400 |
| commit | 57254b6ebce4ceca02d9c8b615f6059c56c19238 (patch) | |
| tree | a90b04313e8671e6846d09c0c14c7b08e16d0e65 /fs/btrfs/ctree.h | |
| parent | 1e8f915868c59be4d6e49d9aff928454a5d5d569 (diff) | |
| download | linux-57254b6ebce4ceca02d9c8b615f6059c56c19238.tar.gz linux-57254b6ebce4ceca02d9c8b615f6059c56c19238.tar.bz2 linux-57254b6ebce4ceca02d9c8b615f6059c56c19238.zip | |
Btrfs: add ioctl to wait for qgroup rescan completion
btrfs_qgroup_wait_for_completion waits until the currently running qgroup
operation completes. It returns immediately when no rescan process is in
progress. This is useful to automate things around the rescan process (e.g.
testing).
Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Diffstat (limited to 'fs/btrfs/ctree.h')
| -rw-r--r-- | fs/btrfs/ctree.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index a365400e38da..e36e97b473a8 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -1613,6 +1613,7 @@ struct btrfs_fs_info { struct mutex qgroup_rescan_lock; /* protects the progress item */ struct btrfs_key qgroup_rescan_progress; struct btrfs_workers qgroup_rescan_workers; + struct completion qgroup_rescan_completion; /* filesystem state */ unsigned long fs_state; @@ -3820,6 +3821,7 @@ int btrfs_quota_enable(struct btrfs_trans_handle *trans, int btrfs_quota_disable(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info); int btrfs_qgroup_rescan(struct btrfs_fs_info *fs_info); +int btrfs_qgroup_wait_for_completion(struct btrfs_fs_info *fs_info); int btrfs_add_qgroup_relation(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, u64 src, u64 dst); int btrfs_del_qgroup_relation(struct btrfs_trans_handle *trans, |