vfs: make path_openat take a struct filename pointer

[people/ms/linux.git] / fs / namei.c

diff --git a/fs/namei.c b/fs/namei.c
index 8c14353fb7503b6dcdb9922f099c05a1535e73d3..6bbd8fdfb1f55319a5d97bd023f19d3b7b3d7cf4 100644 (file)
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2662,7 +2662,7 @@ out_dput:
  */
 static int do_last(struct nameidata *nd, struct path *path,
                   struct file *file, const struct open_flags *op,
-                  int *opened, const char *pathname)
+                  int *opened, struct filename *name)
 {
        struct dentry *dir = nd->path.dentry;
        int open_flag = op->open_flag;
@@ -2674,6 +2674,7 @@ static int do_last(struct nameidata *nd, struct path *path,
        struct path save_parent = { .dentry = NULL, .mnt = NULL };
        bool retried = false;
        int error;
+       const char *pathname = name->name;
 
        nd->flags &= ~LOOKUP_PARENT;
        nd->flags |= op->intent;
@@ -2908,7 +2909,7 @@ stale_open:
        goto retry_lookup;
 }
 
-static struct file *path_openat(int dfd, const char *pathname,
+static struct file *path_openat(int dfd, struct filename *pathname,
                struct nameidata *nd, const struct open_flags *op, int flags)
 {
        struct file *base = NULL;
@@ -2923,12 +2924,12 @@ static struct file *path_openat(int dfd, const char *pathname,
 
        file->f_flags = op->open_flag;
 
-       error = path_init(dfd, pathname, flags | LOOKUP_PARENT, nd, &base);
+       error = path_init(dfd, pathname->name, flags | LOOKUP_PARENT, nd, &base);
        if (unlikely(error))
                goto out;
 
        current->total_link_count = 0;
-       error = link_path_walk(pathname, nd);
+       error = link_path_walk(pathname->name, nd);
        if (unlikely(error))
                goto out;
 
@@ -2974,7 +2975,7 @@ out:
        return file;
 }
 
-struct file *do_filp_open(int dfd, const char *pathname,
+struct file *do_filp_open(int dfd, struct filename *pathname,
                const struct open_flags *op, int flags)
 {
        struct nameidata nd;
@@ -2993,6 +2994,7 @@ struct file *do_file_open_root(struct dentry *dentry, struct vfsmount *mnt,
 {
        struct nameidata nd;
        struct file *file;
+       struct filename filename = { .name = name };
 
        nd.root.mnt = mnt;
        nd.root.dentry = dentry;
@@ -3002,11 +3004,11 @@ struct file *do_file_open_root(struct dentry *dentry, struct vfsmount *mnt,
        if (dentry->d_inode->i_op->follow_link && op->intent & LOOKUP_OPEN)
                return ERR_PTR(-ELOOP);
 
-       file = path_openat(-1, name, &nd, op, flags | LOOKUP_RCU);
+       file = path_openat(-1, &filename, &nd, op, flags | LOOKUP_RCU);
        if (unlikely(file == ERR_PTR(-ECHILD)))
-               file = path_openat(-1, name, &nd, op, flags);
+               file = path_openat(-1, &filename, &nd, op, flags);
        if (unlikely(file == ERR_PTR(-ESTALE)))
-               file = path_openat(-1, name, &nd, op, flags | LOOKUP_REVAL);
+               file = path_openat(-1, &filename, &nd, op, flags | LOOKUP_REVAL);
        return file;
 }