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-rw-r--r--fs/nfsd/nfs4xdr.c10
-rw-r--r--fs/nfsd/vfs.c2
-rw-r--r--fs/nfsd/vfs.h1
3 files changed, 9 insertions, 4 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index cab9780..a8587e9 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -2196,11 +2196,14 @@ nfsd4_encode_dirent_fattr(struct nfsd4_readdir *cd,
* we will not follow the cross mount and will fill the attribtutes
* directly from the mountpoint dentry.
*/
- if (d_mountpoint(dentry) && !attributes_need_mount(cd->rd_bmval))
- ignore_crossmnt = 1;
- else if (d_mountpoint(dentry)) {
+ if (nfsd_mountpoint(dentry, exp)) {
int err;
+ if (!(exp->ex_flags & NFSEXP_V4ROOT)
+ && !attributes_need_mount(cd->rd_bmval)) {
+ ignore_crossmnt = 1;
+ goto out_encode;
+ }
/*
* Why the heck aren't we just using nfsd_lookup??
* Different "."/".." handling? Something else?
@@ -2216,6 +2219,7 @@ nfsd4_encode_dirent_fattr(struct nfsd4_readdir *cd,
goto out_put;
}
+out_encode:
nfserr = nfsd4_encode_fattr(NULL, exp, dentry, p, buflen, cd->rd_bmval,
cd->rd_rqstp, ignore_crossmnt);
out_put:
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index eaf2f0d..a0015a9 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -170,7 +170,7 @@ static int nfsd_lookup_parent(struct svc_rqst *rqstp, struct dentry *dparent, st
* For nfsd purposes, we treat V4ROOT exports as though there was an
* export at *every* directory.
*/
-static int nfsd_mountpoint(struct dentry *dentry, struct svc_export *exp)
+int nfsd_mountpoint(struct dentry *dentry, struct svc_export *exp)
{
if (d_mountpoint(dentry))
return 1;
diff --git a/fs/nfsd/vfs.h b/fs/nfsd/vfs.h
index b8011fd..f4fa6d3 100644
--- a/fs/nfsd/vfs.h
+++ b/fs/nfsd/vfs.h
@@ -40,6 +40,7 @@ __be32 nfsd_lookup_dentry(struct svc_rqst *, struct svc_fh *,
struct svc_export **, struct dentry **);
__be32 nfsd_setattr(struct svc_rqst *, struct svc_fh *,
struct iattr *, int, time_t);
+int nfsd_mountpoint(struct dentry *, struct svc_export *);
#ifdef CONFIG_NFSD_V4
__be32 nfsd4_set_nfs4_acl(struct svc_rqst *, struct svc_fh *,
struct nfs4_acl *);