diff options
Diffstat (limited to 'fs/xfs/xfs_inode.h')
| -rw-r--r-- | fs/xfs/xfs_inode.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index 2badbf9bb80d..7ff828504b3c 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -102,6 +102,41 @@ xfs_ifork_ptr( } } +static inline unsigned int xfs_inode_fork_boff(struct xfs_inode *ip) +{ + return ip->i_forkoff << 3; +} + +static inline unsigned int xfs_inode_data_fork_size(struct xfs_inode *ip) +{ + if (xfs_inode_has_attr_fork(ip)) + return xfs_inode_fork_boff(ip); + + return XFS_LITINO(ip->i_mount); +} + +static inline unsigned int xfs_inode_attr_fork_size(struct xfs_inode *ip) +{ + if (xfs_inode_has_attr_fork(ip)) + return XFS_LITINO(ip->i_mount) - xfs_inode_fork_boff(ip); + return 0; +} + +static inline unsigned int +xfs_inode_fork_size( + struct xfs_inode *ip, + int whichfork) +{ + switch (whichfork) { + case XFS_DATA_FORK: + return xfs_inode_data_fork_size(ip); + case XFS_ATTR_FORK: + return xfs_inode_attr_fork_size(ip); + default: + return 0; + } +} + /* Convert from vfs inode to xfs inode */ static inline struct xfs_inode *XFS_I(struct inode *inode) { |