diff options
Diffstat (limited to 'fs/xfs/xfs_rw.c')
-rw-r--r-- | fs/xfs/xfs_rw.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/fs/xfs/xfs_rw.c b/fs/xfs/xfs_rw.c index 6fa1089..4c199d1 100644 --- a/fs/xfs/xfs_rw.c +++ b/fs/xfs/xfs_rw.c @@ -336,3 +336,25 @@ xfs_bwrite( } return (error); } + +/* + * helper function to extract extent size hint from inode + */ +xfs_extlen_t +xfs_get_extsz_hint( + struct xfs_inode *ip) +{ + xfs_extlen_t extsz; + + if (unlikely(XFS_IS_REALTIME_INODE(ip))) { + extsz = (ip->i_d.di_flags & XFS_DIFLAG_EXTSIZE) + ? ip->i_d.di_extsize + : ip->i_mount->m_sb.sb_rextsize; + ASSERT(extsz); + } else { + extsz = (ip->i_d.di_flags & XFS_DIFLAG_EXTSIZE) + ? ip->i_d.di_extsize : 0; + } + + return extsz; +} |