linux-kernel - [PATCH v2] nfs: remove redundant slash from nfs

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Date:	Mon, 25 Aug 2014 01:51:04 -0400 (EDT)
From:	Xiong Zhou <xzhou@...hat.com>
To:	Ben Hutchings <ben@...adent.org.uk>,
	trond myklebust <trond.myklebust@...marydata.com>
Cc:	linux-nfs@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2] nfs: remove redundant slash from nfs_path

When export root dir(/) via nfs, and mount a particular dir under root, eg
/nfsexport, there will be defect double slash output in /proc/mounts, like
localhost://nfsexport. While this patch change it to localhost:/nfsexport.

Signed-off-by: Xiong Zhou <xzhou@...hat.com>
---
 fs/nfs/namespace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
index b5a0afc..24f954e 100644
--- a/fs/nfs/namespace.c
+++ b/fs/nfs/namespace.c
@@ -98,7 +98,7 @@ rename_retry:
 		return end;
 	}
 	namelen = strlen(base);
-	if (flags & NFS_PATH_CANONICAL) {
+	if ((flags & NFS_PATH_CANONICAL) || *end == '/') {
 		/* Strip off excess slashes in base string */
 		while (namelen > 0 && base[namelen - 1] == '/')
 			namelen--;
-- 
1.8.3.1

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