summaryrefslogtreecommitdiffstats
path: root/fs/xfs/xfs_rw.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/xfs/xfs_rw.c')
-rw-r--r--fs/xfs/xfs_rw.c30
1 files changed, 26 insertions, 4 deletions
diff --git a/fs/xfs/xfs_rw.c b/fs/xfs/xfs_rw.c
index 3f816ad..4c199d1 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;
+}
OpenPOWER on IntegriCloud