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WSL2-Linux-Kernel/fs/9p/fid.h

28 строки
809 B
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treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 188 Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to free software foundation 51 franklin street fifth floor boston ma 02111 1301 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 27 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Steve Winslow <swinslow@gmail.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190528170026.981318839@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-28 19:57:16 +03:00
/* SPDX-License-Identifier: GPL-2.0-only */
[PATCH] v9fs: debug and support routines This part of the patch contains debug and other misc routines. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-10 00:04:24 +04:00
/*
* V9FS FID Management
*
* Copyright (C) 2005 by Eric Van Hensbergen <ericvh@gmail.com>
*/
fs/9p: Prevent multiple inclusion of same header Add necessary #ifndef #endif blocks to avoid mulitple inclusion of same headers Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-02-28 14:34:09 +03:00
#ifndef FS_9P_FID_H
#define FS_9P_FID_H
[PATCH] v9fs: debug and support routines This part of the patch contains debug and other misc routines. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-10 00:04:24 +04:00
#include <linux/list.h>
9p: Reorganization of 9p file system code This patchset moves non-filesystem interfaces of v9fs from fs/9p to net/9p. It moves the transport, packet marshalling and connection layers to net/9p leaving only the VFS related files in fs/9p. This work is being done in preparation for in-kernel 9p servers as well as alternate 9p clients (other than VFS). Signed-off-by: Latchesar Ionkov <lucho@ionkov.net> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2007-07-11 02:57:28 +04:00
struct p9_fid *v9fs_fid_lookup(struct dentry *dentry);
9p: new helper - v9fs_parent_fid() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-05-29 22:29:26 +03:00
static inline struct p9_fid *v9fs_parent_fid(struct dentry *dentry)
{
return v9fs_fid_lookup(dentry->d_parent);
}
9p: v9fs_fid_add() can't fail now Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-02-28 10:18:14 +04:00
void v9fs_fid_add(struct dentry *dentry, struct p9_fid *fid);
fs/9p: Add fid to inode in cached mode The fid attached to inode will be opened O_RDWR mode and is used for dirty page writeback only. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-02-28 14:33:57 +03:00
struct p9_fid *v9fs_writeback_fid(struct dentry *dentry);
fs/9p: track open fids This patch adds accounting of open fids in a list hanging off the i_private field of the corresponding inode. This allows faster lookups compared to searching the full 9p client list. The lookup code is modified accordingly. Link: http://lkml.kernel.org/r/20200923141146.90046-3-jianyong.wu@arm.com Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com> Signed-off-by: Jianyong Wu <jianyong.wu@arm.com> Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
2020-09-23 17:11:44 +03:00
void v9fs_open_fid_add(struct inode *inode, struct p9_fid *fid);
9p: fix braino introduced in "9p: new helper - v9fs_parent_fid()" In v9fs_vfs_rename() we need to clone the parents' fids, not just find them. Spotted-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-08-03 18:02:48 +03:00
static inline struct p9_fid *clone_fid(struct p9_fid *fid)
{
return IS_ERR(fid) ? fid : p9_client_walk(fid, 0, NULL, 1);
}
9p: use clone_fid() in a bunch of places it cleans the things up Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-08-03 18:12:12 +03:00
static inline struct p9_fid *v9fs_fid_clone(struct dentry *dentry)
{
return clone_fid(v9fs_fid_lookup(dentry));
}
fs/9p: Prevent multiple inclusion of same header Add necessary #ifndef #endif blocks to avoid mulitple inclusion of same headers Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-02-28 14:34:09 +03:00
#endif