| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <20240125-flsplit-v2-32-7485322b62c7@kernel.org>
Date: Thu, 25 Jan 2024 05:43:13 -0500
From: Jeff Layton <jlayton@...nel.org>
To: Christian Brauner <brauner@...nel.org>,
Alexander Viro <viro@...iv.linux.org.uk>,
Eric Van Hensbergen <ericvh@...nel.org>,
Latchesar Ionkov <lucho@...kov.net>,
Dominique Martinet <asmadeus@...ewreck.org>,
Christian Schoenebeck <linux_oss@...debyte.com>,
David Howells <dhowells@...hat.com>, Marc Dionne <marc.dionne@...istor.com>,
Xiubo Li <xiubli@...hat.com>, Ilya Dryomov <idryomov@...il.com>,
Alexander Aring <aahringo@...hat.com>, David Teigland <teigland@...hat.com>,
Miklos Szeredi <miklos@...redi.hu>,
Andreas Gruenbacher <agruenba@...hat.com>,
Trond Myklebust <trond.myklebust@...merspace.com>,
Anna Schumaker <anna@...nel.org>, Chuck Lever <chuck.lever@...cle.com>,
Neil Brown <neilb@...e.de>, Olga Kornievskaia <kolga@...app.com>,
Dai Ngo <Dai.Ngo@...cle.com>, Tom Talpey <tom@...pey.com>,
Jan Kara <jack@...e.cz>, Mark Fasheh <mark@...heh.com>,
Joel Becker <jlbec@...lplan.org>, Joseph Qi <joseph.qi@...ux.alibaba.com>,
Steve French <sfrench@...ba.org>, Paulo Alcantara <pc@...guebit.com>,
Shyam Prasad N <sprasad@...rosoft.com>, Namjae Jeon <linkinjeon@...nel.org>,
Sergey Senozhatsky <senozhatsky@...omium.org>,
Steven Rostedt <rostedt@...dmis.org>,
Masami Hiramatsu <mhiramat@...nel.org>,
Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
Ronnie Sahlberg <ronniesahlberg@...il.com>
Cc: linux-kernel@...r.kernel.org, v9fs@...ts.linux.dev,
linux-afs@...ts.infradead.org, ceph-devel@...r.kernel.org,
gfs2@...ts.linux.dev, linux-fsdevel@...r.kernel.org,
linux-nfs@...r.kernel.org, ocfs2-devel@...ts.linux.dev,
linux-cifs@...r.kernel.org, linux-trace-kernel@...r.kernel.org,
Jeff Layton <jlayton@...nel.org>
Subject: [PATCH v2 32/41] dlm: adapt to breakup of struct file_lock
Most of the existing APIs have remained the same, but subsystems that
access file_lock fields directly need to reach into struct
file_lock_core now.
Signed-off-by: Jeff Layton <jlayton@...nel.org>
---
fs/dlm/plock.c | 45 ++++++++++++++++++++++-----------------------
1 file changed, 22 insertions(+), 23 deletions(-)
diff --git a/fs/dlm/plock.c b/fs/dlm/plock.c
index b89dca1d51b0..b3e9fb9df808 100644
--- a/fs/dlm/plock.c
+++ b/fs/dlm/plock.c
@@ -4,7 +4,6 @@
*/
#include <linux/fs.h>
-#define _NEED_FILE_LOCK_FIELD_MACROS
#include <linux/filelock.h>
#include <linux/miscdevice.h>
#include <linux/poll.h>
@@ -139,14 +138,14 @@ int dlm_posix_lock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
}
op->info.optype = DLM_PLOCK_OP_LOCK;
- op->info.pid = fl->fl_pid;
- op->info.ex = (fl->fl_type == F_WRLCK);
- op->info.wait = !!(fl->fl_flags & FL_SLEEP);
+ op->info.pid = fl->fl_core.flc_pid;
+ op->info.ex = (fl->fl_core.flc_type == F_WRLCK);
+ op->info.wait = !!(fl->fl_core.flc_flags & FL_SLEEP);
op->info.fsid = ls->ls_global_id;
op->info.number = number;
op->info.start = fl->fl_start;
op->info.end = fl->fl_end;
- op->info.owner = (__u64)(long)fl->fl_owner;
+ op->info.owner = (__u64)(long) fl->fl_core.flc_owner;
/* async handling */
if (fl->fl_lmops && fl->fl_lmops->lm_grant) {
op_data = kzalloc(sizeof(*op_data), GFP_NOFS);
@@ -259,7 +258,7 @@ static int dlm_plock_callback(struct plock_op *op)
}
/* got fs lock; bookkeep locally as well: */
- flc->fl_flags &= ~FL_SLEEP;
+ flc->fl_core.flc_flags &= ~FL_SLEEP;
if (posix_lock_file(file, flc, NULL)) {
/*
* This can only happen in the case of kmalloc() failure.
@@ -292,7 +291,7 @@ int dlm_posix_unlock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
struct dlm_ls *ls;
struct plock_op *op;
int rv;
- unsigned char saved_flags = fl->fl_flags;
+ unsigned char saved_flags = fl->fl_core.flc_flags;
ls = dlm_find_lockspace_local(lockspace);
if (!ls)
@@ -305,7 +304,7 @@ int dlm_posix_unlock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
}
/* cause the vfs unlock to return ENOENT if lock is not found */
- fl->fl_flags |= FL_EXISTS;
+ fl->fl_core.flc_flags |= FL_EXISTS;
rv = locks_lock_file_wait(file, fl);
if (rv == -ENOENT) {
@@ -318,14 +317,14 @@ int dlm_posix_unlock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
}
op->info.optype = DLM_PLOCK_OP_UNLOCK;
- op->info.pid = fl->fl_pid;
+ op->info.pid = fl->fl_core.flc_pid;
op->info.fsid = ls->ls_global_id;
op->info.number = number;
op->info.start = fl->fl_start;
op->info.end = fl->fl_end;
- op->info.owner = (__u64)(long)fl->fl_owner;
+ op->info.owner = (__u64)(long) fl->fl_core.flc_owner;
- if (fl->fl_flags & FL_CLOSE) {
+ if (fl->fl_core.flc_flags & FL_CLOSE) {
op->info.flags |= DLM_PLOCK_FL_CLOSE;
send_op(op);
rv = 0;
@@ -346,7 +345,7 @@ int dlm_posix_unlock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
dlm_release_plock_op(op);
out:
dlm_put_lockspace(ls);
- fl->fl_flags = saved_flags;
+ fl->fl_core.flc_flags = saved_flags;
return rv;
}
EXPORT_SYMBOL_GPL(dlm_posix_unlock);
@@ -376,14 +375,14 @@ int dlm_posix_cancel(dlm_lockspace_t *lockspace, u64 number, struct file *file,
return -EINVAL;
memset(&info, 0, sizeof(info));
- info.pid = fl->fl_pid;
- info.ex = (fl->fl_type == F_WRLCK);
+ info.pid = fl->fl_core.flc_pid;
+ info.ex = (fl->fl_core.flc_type == F_WRLCK);
info.fsid = ls->ls_global_id;
dlm_put_lockspace(ls);
info.number = number;
info.start = fl->fl_start;
info.end = fl->fl_end;
- info.owner = (__u64)(long)fl->fl_owner;
+ info.owner = (__u64)(long) fl->fl_core.flc_owner;
rv = do_lock_cancel(&info);
switch (rv) {
@@ -438,13 +437,13 @@ int dlm_posix_get(dlm_lockspace_t *lockspace, u64 number, struct file *file,
}
op->info.optype = DLM_PLOCK_OP_GET;
- op->info.pid = fl->fl_pid;
- op->info.ex = (fl->fl_type == F_WRLCK);
+ op->info.pid = fl->fl_core.flc_pid;
+ op->info.ex = (fl->fl_core.flc_type == F_WRLCK);
op->info.fsid = ls->ls_global_id;
op->info.number = number;
op->info.start = fl->fl_start;
op->info.end = fl->fl_end;
- op->info.owner = (__u64)(long)fl->fl_owner;
+ op->info.owner = (__u64)(long) fl->fl_core.flc_owner;
send_op(op);
wait_event(recv_wq, (op->done != 0));
@@ -456,16 +455,16 @@ int dlm_posix_get(dlm_lockspace_t *lockspace, u64 number, struct file *file,
rv = op->info.rv;
- fl->fl_type = F_UNLCK;
+ fl->fl_core.flc_type = F_UNLCK;
if (rv == -ENOENT)
rv = 0;
else if (rv > 0) {
locks_init_lock(fl);
- fl->fl_type = (op->info.ex) ? F_WRLCK : F_RDLCK;
- fl->fl_flags = FL_POSIX;
- fl->fl_pid = op->info.pid;
+ fl->fl_core.flc_type = (op->info.ex) ? F_WRLCK : F_RDLCK;
+ fl->fl_core.flc_flags = FL_POSIX;
+ fl->fl_core.flc_pid = op->info.pid;
if (op->info.nodeid != dlm_our_nodeid())
- fl->fl_pid = -fl->fl_pid;
+ fl->fl_core.flc_pid = -fl->fl_core.flc_pid;
fl->fl_start = op->info.start;
fl->fl_end = op->info.end;
rv = 0;
--
2.43.0
Powered by blists - more mailing lists