diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_btree_staging.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_btree_staging.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_btree_staging.h b/fs/xfs/libxfs/xfs_btree_staging.h index 5d78e13d2968..f50dbbb505d1 100644 --- a/fs/xfs/libxfs/xfs_btree_staging.h +++ b/fs/xfs/libxfs/xfs_btree_staging.h @@ -24,4 +24,32 @@ void xfs_btree_stage_afakeroot(struct xfs_btree_cur *cur, void xfs_btree_commit_afakeroot(struct xfs_btree_cur *cur, struct xfs_trans *tp, struct xfs_buf *agbp, const struct xfs_btree_ops *ops); +/* Fake root for an inode-rooted btree. */ +struct xbtree_ifakeroot { + /* Fake inode fork. */ + struct xfs_ifork *if_fork; + + /* Number of blocks used by the btree. */ + int64_t if_blocks; + + /* Height of the new btree. */ + unsigned int if_levels; + + /* Number of bytes available for this fork in the inode. */ + unsigned int if_fork_size; + + /* Fork format. */ + unsigned int if_format; + + /* Number of records. */ + unsigned int if_extents; +}; + +/* Cursor interactions with with fake roots for inode-rooted btrees. */ +void xfs_btree_stage_ifakeroot(struct xfs_btree_cur *cur, + struct xbtree_ifakeroot *ifake, + struct xfs_btree_ops **new_ops); +void xfs_btree_commit_ifakeroot(struct xfs_btree_cur *cur, struct xfs_trans *tp, + int whichfork, const struct xfs_btree_ops *ops); + #endif /* __XFS_BTREE_STAGING_H__ */ |