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| author | Qu Wenruo <quwenruo@cn.fujitsu.com> | 2016-10-18 09:31:28 +0800 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2016-11-30 13:45:21 +0100 |
| commit | 33d1f05ccb698aa92db3e64a639ce523cf18a408 (patch) | |
| tree | e5ac1c89fc7683740c2b251a199f1256567b94f8 /fs/btrfs/qgroup.h | |
| parent | 50b3e040b7c092c3c157f3febaaac77038e9f6fd (diff) | |
| download | linux-33d1f05ccb698aa92db3e64a639ce523cf18a408.tar.gz linux-33d1f05ccb698aa92db3e64a639ce523cf18a408.tar.bz2 linux-33d1f05ccb698aa92db3e64a639ce523cf18a408.zip | |
btrfs: Export and move leaf/subtree qgroup helpers to qgroup.c
Move account_shared_subtree() to qgroup.c and rename it to
btrfs_qgroup_trace_subtree().
Do the same thing for account_leaf_items() and rename it to
btrfs_qgroup_trace_leaf_items().
Since all these functions are only for qgroup, move them to qgroup.c and
export them is more appropriate.
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Reviewed-and-Tested-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/qgroup.h')
| -rw-r--r-- | fs/btrfs/qgroup.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/fs/btrfs/qgroup.h b/fs/btrfs/qgroup.h index 9303e09c71dc..99c879dbedc1 100644 --- a/fs/btrfs/qgroup.h +++ b/fs/btrfs/qgroup.h @@ -122,6 +122,29 @@ int btrfs_qgroup_trace_extent(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, u64 bytenr, u64 num_bytes, gfp_t gfp_flag); +/* + * Inform qgroup to trace all leaf items of data + * + * Return 0 for success + * Return <0 for error(ENOMEM) + */ +int btrfs_qgroup_trace_leaf_items(struct btrfs_trans_handle *trans, + struct btrfs_root *root, + struct extent_buffer *eb); +/* + * Inform qgroup to trace a whole subtree, including all its child tree + * blocks and data. + * The root tree block is specified by @root_eb. + * + * Normally used by relocation(tree block swap) and subvolume deletion. + * + * Return 0 for success + * Return <0 for error(ENOMEM or tree search error) + */ +int btrfs_qgroup_trace_subtree(struct btrfs_trans_handle *trans, + struct btrfs_root *root, + struct extent_buffer *root_eb, + u64 root_gen, int root_level); int btrfs_qgroup_account_extent(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, |