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-rw-r--r--fs/nfsd/export.c28
1 files changed, 12 insertions, 16 deletions
diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index 3f6d51b..5149dab 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -871,23 +871,19 @@ static svc_export *exp_get_by_name(svc_client *clp, const struct path *path,
/*
* Find the export entry for a given dentry.
*/
-static struct svc_export *exp_parent(svc_client *clp, struct vfsmount *mnt,
- struct dentry *dentry,
- struct cache_req *reqp)
+static struct svc_export *exp_parent(svc_client *clp, struct path *path)
{
- struct path path = {.mnt = mnt, .dentry = dentry};
- svc_export *exp;
-
- dget(path.dentry);
- exp = exp_get_by_name(clp, &path, reqp);
-
- while (PTR_ERR(exp) == -ENOENT && !IS_ROOT(path.dentry)) {
- struct dentry *parent = dget_parent(path.dentry);
- dput(path.dentry);
- path.dentry = parent;
- exp = exp_get_by_name(clp, &path, reqp);
+ struct dentry *saved = dget(path->dentry);
+ svc_export *exp = exp_get_by_name(clp, path, NULL);
+
+ while (PTR_ERR(exp) == -ENOENT && !IS_ROOT(path->dentry)) {
+ struct dentry *parent = dget_parent(path->dentry);
+ dput(path->dentry);
+ path->dentry = parent;
+ exp = exp_get_by_name(clp, path, NULL);
}
- dput(path.dentry);
+ dput(path->dentry);
+ path->dentry = saved;
return exp;
}
@@ -1174,7 +1170,7 @@ exp_rootfh(svc_client *clp, char *name, struct knfsd_fh *f, int maxsize)
dprintk("nfsd: exp_rootfh(%s [%p] %s:%s/%ld)\n",
name, path.dentry, clp->name,
inode->i_sb->s_id, inode->i_ino);
- exp = exp_parent(clp, path.mnt, path.dentry, NULL);
+ exp = exp_parent(clp, &path);
if (IS_ERR(exp)) {
err = PTR_ERR(exp);
goto out;
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