[PATCH -next] freevxfs: Fix comment on vxfs_readdir

[GUO Zihua <guozihua@huawei.com>]

As vxfs_readdir now switches to iterate_shared interface, the parameter
of the function is changed. However, the comment of has not been
updated.

This patch updates function doc to reflect this change.

Fixes: 9b5d5a170781 ("[readdir] convert freevxfs")
Signed-off-by: GUO Zihua <guozihua@huawei.com>
---
 fs/freevxfs/vxfs_lookup.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/fs/freevxfs/vxfs_lookup.c b/fs/freevxfs/vxfs_lookup.c
index f04ba2ed1e1a..53cbb7209324 100644
--- a/fs/freevxfs/vxfs_lookup.c
+++ b/fs/freevxfs/vxfs_lookup.c
@@ -177,12 +177,11 @@ vxfs_lookup(struct inode *dip, struct dentry *dp, unsigned int flags)
 /**
  * vxfs_readdir - read a directory
  * @fp:		the directory to read
- * @retp:	return buffer
- * @filler:	filldir callback
+ * @ctx:	Dir context
  *
  * Description:
- *   vxfs_readdir fills @retp with directory entries from @fp
- *   using the VFS supplied callback @filler.
+ *   vxfs_readdir emits directory entries from @fp using the
+ *   VFS supplied @ctx.
  *
  * Returns:
  *   Zero.
-- 
2.17.1