pull the common predecessors into do_last()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/namei.c b/fs/namei.c
index 30ba3f3..976fc32 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1648,13 +1648,19 @@
static struct file *do_last(struct nameidata *nd, struct path *path,
int open_flag, int flag, int acc_mode,
int mode, const char *pathname,
- struct dentry *dir, int *is_link)
+ int *is_link)
{
+ struct dentry *dir = nd->path.dentry;
struct file *filp;
int error;
*is_link = 0;
+ mutex_lock(&dir->d_inode->i_mutex);
+
+ path->dentry = lookup_hash(nd);
+ path->mnt = nd->path.mnt;
+
error = PTR_ERR(path->dentry);
if (IS_ERR(path->dentry)) {
mutex_unlock(&dir->d_inode->i_mutex);
@@ -1749,7 +1755,6 @@
struct nameidata nd;
int error;
struct path path;
- struct dentry *dir;
int count = 0;
int flag = open_to_namei_flags(open_flag);
int force_reval = 0;
@@ -1837,16 +1842,12 @@
filp->f_flags = open_flag;
nd.intent.open.flags = flag;
nd.intent.open.create_mode = mode;
- dir = nd.path.dentry;
nd.flags &= ~LOOKUP_PARENT;
nd.flags |= LOOKUP_CREATE | LOOKUP_OPEN;
if (flag & O_EXCL)
nd.flags |= LOOKUP_EXCL;
- mutex_lock(&dir->d_inode->i_mutex);
- path.dentry = lookup_hash(&nd);
- path.mnt = nd.path.mnt;
filp = do_last(&nd, &path, open_flag, flag, acc_mode, mode,
- pathname, dir, &is_link);
+ pathname, &is_link);
if (is_link)
goto do_link;
if (nd.root.mnt)
@@ -1919,12 +1920,8 @@
__putname(nd.last.name);
goto exit;
}
- dir = nd.path.dentry;
- mutex_lock(&dir->d_inode->i_mutex);
- path.dentry = lookup_hash(&nd);
- path.mnt = nd.path.mnt;
filp = do_last(&nd, &path, open_flag, flag, acc_mode, mode,
- pathname, dir, &is_link);
+ pathname, &is_link);
__putname(nd.last.name);
if (is_link)
goto do_link;