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-rw-r--r--fs/nfsd/nfsfh.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/nfsd/nfsfh.c b/fs/nfsd/nfsfh.c
index e3f3bbea8ae..ca96ede30a1 100644
--- a/fs/nfsd/nfsfh.c
+++ b/fs/nfsd/nfsfh.c
@@ -312,8 +312,8 @@ int
fh_compose(struct svc_fh *fhp, struct svc_export *exp, struct dentry *dentry, struct svc_fh *ref_fh)
{
/* ref_fh is a reference file handle.
- * if it is non-null, then we should compose a filehandle which is
- * of the same version, where possible.
+ * if it is non-null and for the same filesystem, then we should compose
+ * a filehandle which is of the same version, where possible.
* Currently, that means that if ref_fh->fh_handle.fh_version == 0xca
* Then create a 32byte filehandle using nfs_fhbase_old
*
@@ -332,7 +332,7 @@ fh_compose(struct svc_fh *fhp, struct svc_export *exp, struct dentry *dentry, st
parent->d_name.name, dentry->d_name.name,
(inode ? inode->i_ino : 0));
- if (ref_fh) {
+ if (ref_fh && ref_fh->fh_export == exp) {
ref_fh_version = ref_fh->fh_handle.fh_version;
if (ref_fh_version == 0xca)
ref_fh_fsid_type = 0;