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authorJ. Bruce Fields <bfields@redhat.com>2014-11-19 20:06:30 +0300
committerJ. Bruce Fields <bfields@redhat.com>2014-11-19 20:06:30 +0300
commit56429e9b3be567a173bd05f5594faf8522c34d3a (patch)
treed218d430ed992cdfa42da084bf36e5aa3c2ecb26 /fs/open.c
parent5b095e99928cc13332d364f7cca7a9ca684369b4 (diff)
parent093a1468b6edb0e568be7311b8d2228d205702db (diff)
downloadlinux-56429e9b3be567a173bd05f5594faf8522c34d3a.tar.xz
merge nfs bugfixes into nfsd for-3.19 branch
In addition to nfsd bugfixes, there are some fixes in -rc5 for client bugs that can interfere with my testing.
Diffstat (limited to 'fs/open.c')
-rw-r--r--fs/open.c23
1 files changed, 21 insertions, 2 deletions
diff --git a/fs/open.c b/fs/open.c
index c94449b2e582..192c429f1fbc 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -824,8 +824,7 @@ struct file *dentry_open(const struct path *path, int flags,
f = get_empty_filp();
if (!IS_ERR(f)) {
f->f_flags = flags;
- f->f_path = *path;
- error = do_dentry_open(f, NULL, cred);
+ error = vfs_open(path, f, cred);
if (!error) {
/* from now on we need fput() to dispose of f */
error = open_check_o_direct(f);
@@ -842,6 +841,26 @@ struct file *dentry_open(const struct path *path, int flags,
}
EXPORT_SYMBOL(dentry_open);
+/**
+ * vfs_open - open the file at the given path
+ * @path: path to open
+ * @filp: newly allocated file with f_flag initialized
+ * @cred: credentials to use
+ */
+int vfs_open(const struct path *path, struct file *filp,
+ const struct cred *cred)
+{
+ struct inode *inode = path->dentry->d_inode;
+
+ if (inode->i_op->dentry_open)
+ return inode->i_op->dentry_open(path->dentry, filp, cred);
+ else {
+ filp->f_path = *path;
+ return do_dentry_open(filp, NULL, cred);
+ }
+}
+EXPORT_SYMBOL(vfs_open);
+
static inline int build_open_flags(int flags, umode_t mode, struct open_flags *op)
{
int lookup_flags = 0;