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Diffstat (limited to 'fs/gfs2/dentry.c')
-rw-r--r--fs/gfs2/dentry.c22
1 files changed, 16 insertions, 6 deletions
diff --git a/fs/gfs2/dentry.c b/fs/gfs2/dentry.c
index 6798755b3858..4a456338b873 100644
--- a/fs/gfs2/dentry.c
+++ b/fs/gfs2/dentry.c
@@ -11,6 +11,7 @@
#include <linux/completion.h>
#include <linux/buffer_head.h>
#include <linux/gfs2_ondisk.h>
+#include <linux/namei.h>
#include <linux/crc32.h>
#include "gfs2.h"
@@ -34,15 +35,23 @@
static int gfs2_drevalidate(struct dentry *dentry, struct nameidata *nd)
{
- struct dentry *parent = dget_parent(dentry);
- struct gfs2_sbd *sdp = GFS2_SB(parent->d_inode);
- struct gfs2_inode *dip = GFS2_I(parent->d_inode);
- struct inode *inode = dentry->d_inode;
+ struct dentry *parent;
+ struct gfs2_sbd *sdp;
+ struct gfs2_inode *dip;
+ struct inode *inode;
struct gfs2_holder d_gh;
struct gfs2_inode *ip = NULL;
int error;
int had_lock = 0;
+ if (nd->flags & LOOKUP_RCU)
+ return -ECHILD;
+
+ parent = dget_parent(dentry);
+ sdp = GFS2_SB(parent->d_inode);
+ dip = GFS2_I(parent->d_inode);
+ inode = dentry->d_inode;
+
if (inode) {
if (is_bad_inode(inode))
goto invalid;
@@ -100,13 +109,14 @@ fail:
return 0;
}
-static int gfs2_dhash(struct dentry *dentry, struct qstr *str)
+static int gfs2_dhash(const struct dentry *dentry, const struct inode *inode,
+ struct qstr *str)
{
str->hash = gfs2_disk_hash(str->name, str->len);
return 0;
}
-static int gfs2_dentry_delete(struct dentry *dentry)
+static int gfs2_dentry_delete(const struct dentry *dentry)
{
struct gfs2_inode *ginode;