[PATCH] nfs: use canonical path in nfs_show_devname

[Xiong Zhou]

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.

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

diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index e4499d5..62b1cab 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -780,7 +780,7 @@ int nfs_show_devname(struct seq_file *m, struct dentry *root)
 	int err = 0;
 	if (!page)
 		return -ENOMEM;
-	devname = nfs_path(&dummy, root, page, PAGE_SIZE, 0);
+	devname = nfs_path(&dummy, root, page, PAGE_SIZE, 1);
 	if (IS_ERR(devname))
 		err = PTR_ERR(devname);
 	else
-- 
1.8.3.1

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