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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
| commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
| tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /fs/9p/fid.h | |
| parent | Initial commit. (diff) | |
| download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip | |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fs/9p/fid.h')
| -rw-r--r-- | fs/9p/fid.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/fs/9p/fid.h b/fs/9p/fid.h new file mode 100644 index 000000000..8a4e8cd12 --- /dev/null +++ b/fs/9p/fid.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * V9FS FID Management + * + * Copyright (C) 2005 by Eric Van Hensbergen <ericvh@gmail.com> + */ +#ifndef FS_9P_FID_H +#define FS_9P_FID_H +#include <linux/list.h> + +struct p9_fid *v9fs_fid_lookup(struct dentry *dentry); +static inline struct p9_fid *v9fs_parent_fid(struct dentry *dentry) +{ + return v9fs_fid_lookup(dentry->d_parent); +} +void v9fs_fid_add(struct dentry *dentry, struct p9_fid **fid); +struct p9_fid *v9fs_writeback_fid(struct dentry *dentry); +void v9fs_open_fid_add(struct inode *inode, struct p9_fid **fid); +static inline struct p9_fid *clone_fid(struct p9_fid *fid) +{ + return IS_ERR(fid) ? fid : p9_client_walk(fid, 0, NULL, 1); +} +static inline struct p9_fid *v9fs_fid_clone(struct dentry *dentry) +{ + struct p9_fid *fid, *nfid; + + fid = v9fs_fid_lookup(dentry); + if (!fid || IS_ERR(fid)) + return fid; + + nfid = clone_fid(fid); + p9_fid_put(fid); + return nfid; +} +#endif |