^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * V9FS FID Management
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2005 by Eric Van Hensbergen <ericvh@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #ifndef FS_9P_FID_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #define FS_9P_FID_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/list.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) struct p9_fid *v9fs_fid_lookup(struct dentry *dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) static inline struct p9_fid *v9fs_parent_fid(struct dentry *dentry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) return v9fs_fid_lookup(dentry->d_parent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) void v9fs_fid_add(struct dentry *dentry, struct p9_fid *fid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) struct p9_fid *v9fs_writeback_fid(struct dentry *dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) static inline struct p9_fid *clone_fid(struct p9_fid *fid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) return IS_ERR(fid) ? fid : p9_client_walk(fid, 0, NULL, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) static inline struct p9_fid *v9fs_fid_clone(struct dentry *dentry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) return clone_fid(v9fs_fid_lookup(dentry));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #endif