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authorEric Sandeen <sandeen@sandeen.net>2014-09-09 11:57:52 +1000
committerDave Chinner <david@fromorbit.com>2014-09-09 11:57:52 +1000
commit94f3cad555d66048906deade06a764f7ea2c6e4d (patch)
tree537cfbb0bcdacfb55f027cac223d6a2e35e358d5 /fs/xfs/libxfs
parent970fd3f04d5949a4b5f6d0a5fea8e4b6797a5992 (diff)
downloadlinux-94f3cad555d66048906deade06a764f7ea2c6e4d.tar.gz
xfs: check resblks before calling xfs_dir_canenter
Move the resblks test out of the xfs_dir_canenter,
and into the caller.

This makes a little more sense on the face of it;
xfs_dir_canenter immediately returns if resblks !=0;
and given some of the comments preceding the calls:

 * Check for ability to enter directory entry, if no space reserved.

even more so.

It also facilitates the next patch.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

Diffstat (limited to 'fs/xfs/libxfs')
-rw-r--r--fs/xfs/libxfs/xfs_dir2.c7
-rw-r--r--fs/xfs/libxfs/xfs_dir2.h2
2 files changed, 2 insertions, 7 deletions
diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c
index 6cef22152fd6..ea84e1c47284 100644
--- a/fs/xfs/libxfs/xfs_dir2.c
+++ b/fs/xfs/libxfs/xfs_dir2.c
@@ -535,22 +535,17 @@ out_free:
 
 /*
  * See if this entry can be added to the directory without allocating space.
- * First checks that the caller couldn't reserve enough space (resblks = 0).
  */
 int
 xfs_dir_canenter(
 	xfs_trans_t	*tp,
 	xfs_inode_t	*dp,
-	struct xfs_name	*name,		/* name of entry to add */
-	uint		resblks)
+	struct xfs_name	*name)		/* name of entry to add */
 {
 	struct xfs_da_args *args;
 	int		rval;
 	int		v;		/* type-checking value */
 
-	if (resblks)
-		return 0;
-
 	ASSERT(S_ISDIR(dp->i_d.di_mode));
 
 	args = kmem_zalloc(sizeof(*args), KM_SLEEP | KM_NOFS);
diff --git a/fs/xfs/libxfs/xfs_dir2.h b/fs/xfs/libxfs/xfs_dir2.h
index c8e86b0b5e99..4dff261e6ed5 100644
--- a/fs/xfs/libxfs/xfs_dir2.h
+++ b/fs/xfs/libxfs/xfs_dir2.h
@@ -136,7 +136,7 @@ extern int xfs_dir_replace(struct xfs_trans *tp, struct xfs_inode *dp,
 				xfs_fsblock_t *first,
 				struct xfs_bmap_free *flist, xfs_extlen_t tot);
 extern int xfs_dir_canenter(struct xfs_trans *tp, struct xfs_inode *dp,
-				struct xfs_name *name, uint resblks);
+				struct xfs_name *name);
 
 /*
  * Direct call from the bmap code, bypassing the generic directory layer.