[XFS] Factor out code for whether inode has attributes or not.

SGI-PV: 983394

SGI-Modid: xfs-linux-melb:xfs-kern:31323a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Tim Shimmin <tes@sgi.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>

1 files changed, 23 insertions, 28 deletions

diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/xfs_attr.c
index 9d91af4929b1..49fac8d6db12 100644
--- a/fs/xfs/xfs_attr.c
+++ b/fs/xfs/xfs_attr.c
@@ -111,6 +111,17 @@ xfs_attr_name_to_xname(
         return 0;
 }
 
+STATIC int
+xfs_inode_hasattr(
+        struct xfs_inode        *ip)
+{
+        if (!XFS_IFORK_Q(ip) ||
+            (ip->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS &&
+             ip->i_d.di_anextents == 0))
+                return 0;
+        return 1;
+}
+
 /*========================================================================
  * Overall external interface routines.
  *========================================================================*/
@@ -122,10 +133,8 @@ xfs_attr_fetch(xfs_inode_t *ip, struct xfs_name *name,
         xfs_da_args_t   args;
         int             error;
 
-        if ((XFS_IFORK_Q(ip) == 0) ||
-            (ip->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS &&
-             ip->i_d.di_anextents == 0))
-                return(ENOATTR);
+        if (!xfs_inode_hasattr(ip))
+                return ENOATTR;
 
         /*
          * Fill in the arg structure for this request.
@@ -143,11 +152,7 @@ xfs_attr_fetch(xfs_inode_t *ip, struct xfs_name *name,
         /*
          * Decide on what work routines to call based on the inode size.
          */
-        if (XFS_IFORK_Q(ip) == 0 ||
-            (ip->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS &&
-             ip->i_d.di_anextents == 0)) {
-                error = XFS_ERROR(ENOATTR);
-        } else if (ip->i_d.di_aformat == XFS_DINODE_FMT_LOCAL) {
+        if (ip->i_d.di_aformat == XFS_DINODE_FMT_LOCAL) {
                 error = xfs_attr_shortform_getvalue(&args);
         } else if (xfs_bmap_one_block(ip, XFS_ATTR_FORK)) {
                 error = xfs_attr_leaf_get(&args);
@@ -523,9 +528,7 @@ xfs_attr_remove_int(xfs_inode_t *dp, struct xfs_name *name, int flags)
         /*
          * Decide on what work routines to call based on the inode size.
          */
-        if (XFS_IFORK_Q(dp) == 0 ||
-            (dp->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS &&
-             dp->i_d.di_anextents == 0)) {
+        if (!xfs_inode_hasattr(dp)) {
                 error = XFS_ERROR(ENOATTR);
                 goto out;
         }
@@ -595,11 +598,9 @@ xfs_attr_remove(
                 return error;
 
         xfs_ilock(dp, XFS_ILOCK_SHARED);
-        if (XFS_IFORK_Q(dp) == 0 ||
-                   (dp->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS &&
-                    dp->i_d.di_anextents == 0)) {
+        if (!xfs_inode_hasattr(dp)) {
                 xfs_iunlock(dp, XFS_ILOCK_SHARED);
-                return(XFS_ERROR(ENOATTR));
+                return XFS_ERROR(ENOATTR);
         }
         xfs_iunlock(dp, XFS_ILOCK_SHARED);
 
@@ -615,9 +616,7 @@ xfs_attr_list_int(xfs_attr_list_context_t *context)
         /*
          * Decide on what work routines to call based on the inode size.
          */
-        if (XFS_IFORK_Q(dp) == 0 ||
-            (dp->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS &&
-             dp->i_d.di_anextents == 0)) {
+        if (!xfs_inode_hasattr(dp)) {
                 error = 0;
         } else if (dp->i_d.di_aformat == XFS_DINODE_FMT_LOCAL) {
                 error = xfs_attr_shortform_list(context);
@@ -810,12 +809,10 @@ xfs_attr_inactive(xfs_inode_t *dp)
         ASSERT(! XFS_NOT_DQATTACHED(mp, dp));
 
         xfs_ilock(dp, XFS_ILOCK_SHARED);
-        if ((XFS_IFORK_Q(dp) == 0) ||
-            (dp->i_d.di_aformat == XFS_DINODE_FMT_LOCAL) ||
-            (dp->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS &&
-             dp->i_d.di_anextents == 0)) {
+        if (!xfs_inode_hasattr(dp) ||
+            dp->i_d.di_aformat == XFS_DINODE_FMT_LOCAL) {
                 xfs_iunlock(dp, XFS_ILOCK_SHARED);
-                return(0);
+                return 0;
         }
         xfs_iunlock(dp, XFS_ILOCK_SHARED);
 
@@ -848,10 +845,8 @@ xfs_attr_inactive(xfs_inode_t *dp)
         /*
          * Decide on what work routines to call based on the inode size.
          */
-        if ((XFS_IFORK_Q(dp) == 0) ||
-            (dp->i_d.di_aformat == XFS_DINODE_FMT_LOCAL) ||
-            (dp->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS &&
-             dp->i_d.di_anextents == 0)) {
+        if (!xfs_inode_hasattr(dp) ||
+            dp->i_d.di_aformat == XFS_DINODE_FMT_LOCAL) {
                 error = 0;
                 goto out;
         }