| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /* |
| 3 | * V9FS FID Management |
| 4 | * |
| 5 | * Copyright (C) 2005 by Eric Van Hensbergen <ericvh@gmail.com> |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 6 | */ |
| 7 | #ifndef FS_9P_FID_H |
| 8 | #define FS_9P_FID_H |
| 9 | #include <linux/list.h> |
| 10 | |
| 11 | struct p9_fid *v9fs_fid_lookup(struct dentry *dentry); |
| 12 | static inline struct p9_fid *v9fs_parent_fid(struct dentry *dentry) |
| 13 | { |
| 14 | return v9fs_fid_lookup(dentry->d_parent); |
| 15 | } |
| 16 | void v9fs_fid_add(struct dentry *dentry, struct p9_fid *fid); |
| 17 | struct p9_fid *v9fs_writeback_fid(struct dentry *dentry); |
| 18 | static inline struct p9_fid *clone_fid(struct p9_fid *fid) |
| 19 | { |
| 20 | return IS_ERR(fid) ? fid : p9_client_walk(fid, 0, NULL, 1); |
| 21 | } |
| 22 | static inline struct p9_fid *v9fs_fid_clone(struct dentry *dentry) |
| 23 | { |
| 24 | return clone_fid(v9fs_fid_lookup(dentry)); |
| 25 | } |
| 26 | #endif |