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| author | Qu Wenruo <quwenruo@cn.fujitsu.com> | 2015-10-12 16:05:40 +0800 |
|---|---|---|
| committer | Chris Mason <clm@fb.com> | 2015-10-21 18:37:45 -0700 |
| commit | 524725537023bb25a371722b1329446e5a2adcdb (patch) | |
| tree | 40e4d0798939f7a6c9f4ee27c7bf3225c3aa5bb0 /fs/btrfs/qgroup.h | |
| parent | fefdc55702a5f9f99778b6bdce4c4e1185ff943f (diff) | |
| download | op-kernel-dev-524725537023bb25a371722b1329446e5a2adcdb.zip op-kernel-dev-524725537023bb25a371722b1329446e5a2adcdb.tar.gz | |
btrfs: qgroup: Introduce btrfs_qgroup_reserve_data function
Introduce a new function, btrfs_qgroup_reserve_data(), which will use
io_tree to accurate qgroup reserve, to avoid reserved space leaking.
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs/btrfs/qgroup.h')
| -rw-r--r-- | fs/btrfs/qgroup.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/qgroup.h b/fs/btrfs/qgroup.h index 6387dcf..bd17cc2 100644 --- a/fs/btrfs/qgroup.h +++ b/fs/btrfs/qgroup.h @@ -81,4 +81,6 @@ int btrfs_verify_qgroup_counts(struct btrfs_fs_info *fs_info, u64 qgroupid, u64 rfer, u64 excl); #endif +/* New io_tree based accurate qgroup reserve API */ +int btrfs_qgroup_reserve_data(struct inode *inode, u64 start, u64 len); #endif /* __BTRFS_QGROUP__ */ |
