xfs: clean up xfs_inactive() error handling, kill VN_INACTIVE_[NO]CACHE

The xfs_inactive() return value is meaningless. Turn xfs_inactive()
into a void function and clean up the error handling appropriately.
Kill the VN_INACTIVE_[NO]CACHE directives as they are not relevant
to Linux.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>

fs/xfs/xfs_inode.c

@@ -1790,7 +1790,7 @@ xfs_inactive_ifree(
  * now be truncated.  Also, we clear all of the read-ahead state
  * kept for the inode here since the file is now closed.
  */
-int
+void
 xfs_inactive(
 	xfs_inode_t	*ip)
 {
@@ -1805,16 +1805,14 @@ xfs_inactive(
 	if (ip->i_d.di_mode == 0) {
 		ASSERT(ip->i_df.if_real_bytes == 0);
 		ASSERT(ip->i_df.if_broot_bytes == 0);
-		return VN_INACTIVE_CACHE;
+		return;
 	}
 
 	mp = ip->i_mount;
 
-	error = 0;
-
 	/* If this is a read-only mount, don't do this (would generate I/O) */
 	if (mp->m_flags & XFS_MOUNT_RDONLY)
-		goto out;
+		return;
 
 	if (ip->i_d.di_nlink != 0) {
 		/*
@@ -1822,12 +1820,10 @@ xfs_inactive(
 		 * cache. Post-eof blocks must be freed, lest we end up with
 		 * broken free space accounting.
 		 */
-		if (xfs_can_free_eofblocks(ip, true)) {
-			error = xfs_free_eofblocks(mp, ip, false);
-			if (error)
-				return VN_INACTIVE_CACHE;
-		}
-		goto out;
+		if (xfs_can_free_eofblocks(ip, true))
+			xfs_free_eofblocks(mp, ip, false);
+
+		return;
 	}
 
 	if (S_ISREG(ip->i_d.di_mode) &&
@@ -1837,14 +1833,14 @@ xfs_inactive(
 
 	error = xfs_qm_dqattach(ip, 0);
 	if (error)
-		return VN_INACTIVE_CACHE;
+		return;
 
 	if (S_ISLNK(ip->i_d.di_mode))
 		error = xfs_inactive_symlink(ip);
 	else if (truncate)
 		error = xfs_inactive_truncate(ip);
 	if (error)
-		goto out;
+		return;
 
 	/*
 	 * If there are attributes associated with the file then blow them away
@@ -1857,7 +1853,7 @@ xfs_inactive(
 
 		error = xfs_attr_inactive(ip);
 		if (error)
-			goto out;
+			return;
 	}
 
 	if (ip->i_afp)
@@ -1870,14 +1866,12 @@ xfs_inactive(
 	 */
 	error = xfs_inactive_ifree(ip);
 	if (error)
-		goto out;
+		return;
 
 	/*
 	 * Release the dquots held by inode, if any.
 	 */
 	xfs_qm_dqdetach(ip);
-out:
-	return VN_INACTIVE_CACHE;
 }
 
 /*

fs/xfs/xfs_inode.h

@@ -316,7 +316,7 @@ static inline int xfs_isiflocked(struct xfs_inode *ip)
 
 
 int		xfs_release(struct xfs_inode *ip);
-int		xfs_inactive(struct xfs_inode *ip);
+void		xfs_inactive(struct xfs_inode *ip);
 int		xfs_lookup(struct xfs_inode *dp, struct xfs_name *name,
 			   struct xfs_inode **ipp, struct xfs_name *ci_name);
 int		xfs_create(struct xfs_inode *dp, struct xfs_name *name,

fs/xfs/xfs_vnode.h

@@ -24,14 +24,6 @@ struct file;
 struct xfs_inode;
 struct attrlist_cursor_kern;
 
-/*
- * Return values for xfs_inactive.  A return value of
- * VN_INACTIVE_NOCACHE implies that the file system behavior
- * has disassociated its state and bhv_desc_t from the vnode.
- */
-#define	VN_INACTIVE_CACHE	0
-#define	VN_INACTIVE_NOCACHE	1
-
 /*
  * Flags for read/write calls - same values as IRIX
  */