diff options
Diffstat (limited to 'fs/xfs/xfs_rw.c')
| -rw-r--r-- | fs/xfs/xfs_rw.c | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/fs/xfs/xfs_rw.c b/fs/xfs/xfs_rw.c index 3f816ad7ff19..4c199d18f850 100644 --- a/fs/xfs/xfs_rw.c +++ b/fs/xfs/xfs_rw.c @@ -277,10 +277,10 @@ xfs_read_buf( xfs_buf_t *bp; int error; - if (flags) - bp = xfs_buf_read_flags(target, blkno, len, flags); - else - bp = xfs_buf_read(target, blkno, len, flags); + if (!flags) + flags = XBF_LOCK | XBF_MAPPED; + + bp = xfs_buf_read(target, blkno, len, flags); if (!bp) return XFS_ERROR(EIO); error = XFS_BUF_GETERROR(bp); @@ -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; +} |