Add the description of @ctx and delete obsolete content in vxfs_lookup()
kernel-doc comment to remove warnings found by running scripts/kernel-doc,
which is caused by using 'make W=1'.

fs/freevxfs/vxfs_lookup.c:216: warning: Function parameter or member
'ctx' not described in 'vxfs_readdir'
fs/freevxfs/vxfs_lookup.c:216: warning: Excess function parameter 'retp'
description in 'vxfs_readdir'
fs/freevxfs/vxfs_lookup.c:216: warning: Excess function parameter
'filler' description in 'vxfs_readdir'

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
---
 fs/freevxfs/vxfs_lookup.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/fs/freevxfs/vxfs_lookup.c b/fs/freevxfs/vxfs_lookup.c
index a51425634f65..7a0d2b8ef0fa 100644
--- a/fs/freevxfs/vxfs_lookup.c
+++ b/fs/freevxfs/vxfs_lookup.c
@@ -201,12 +201,7 @@ 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
- *
- * Description:
- *   vxfs_readdir fills @retp with directory entries from @fp
- *   using the VFS supplied callback @filler.
+ * @ctx:	actor we feed the entries to
  *
  * Returns:
  *   Zero.
-- 
2.20.1.7.g153144c