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NFS: Trim extra slash in v4 nfs_path 

A NFSv4 mount of a subdirectory will show an extra slash (as in
'server://path') in proc's mountinfo which will not match the device name
and path.  This can cause problems for programs searching for the mount.
Fix this by checking for a leading slash in the dentry path, if so trim
away any trailing slashes in the device name.

Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Benjamin Coddington 2016-06-15 15:02:55 -04:00 committed by Anna Schumaker
parent 83aa3e0f79
commit 86a6c211d6
1 changed files with 1 additions and 1 deletions
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2
fs/nfs/namespace.c
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@ -98,7 +98,7 @@ rename_retry:
return end;
}
namelen = strlen(base);
if (flags & NFS_PATH_CANONICAL) {
if (*end == '/') {
/* Strip off excess slashes in base string */
while (namelen > 0 && base[namelen - 1] == '/')
namelen--;