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From: Jeff Layton <jlayton@kernel.org>
Date: Wed, 31 Jan 2024 18:02:13 -0500
Subject: [PATCH v3 32/47] filelock: convert locks_translate_pid to take
 file_lock_core
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To: Steven Rostedt <rostedt@goodmis.org>, 
 Masami Hiramatsu <mhiramat@kernel.org>, 
 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>, 
 Chuck Lever <chuck.lever@oracle.com>, 
 Alexander Viro <viro@zeniv.linux.org.uk>, 
 Christian Brauner <brauner@kernel.org>, Jan Kara <jack@suse.cz>, 
 Eric Van Hensbergen <ericvh@kernel.org>, 
 Latchesar Ionkov <lucho@ionkov.net>, 
 Dominique Martinet <asmadeus@codewreck.org>, 
 Christian Schoenebeck <linux_oss@crudebyte.com>, 
 David Howells <dhowells@redhat.com>, Marc Dionne <marc.dionne@auristor.com>, 
 Xiubo Li <xiubli@redhat.com>, Ilya Dryomov <idryomov@gmail.com>, 
 Alexander Aring <aahringo@redhat.com>, David Teigland <teigland@redhat.com>, 
 Andreas Gruenbacher <agruenba@redhat.com>, Neil Brown <neilb@suse.de>, 
 Olga Kornievskaia <kolga@netapp.com>, Dai Ngo <Dai.Ngo@oracle.com>, 
 Tom Talpey <tom@talpey.com>, 
 Trond Myklebust <trond.myklebust@hammerspace.com>, 
 Anna Schumaker <anna@kernel.org>, Mark Fasheh <mark@fasheh.com>, 
 Joel Becker <jlbec@evilplan.org>, Joseph Qi <joseph.qi@linux.alibaba.com>, 
 Steve French <sfrench@samba.org>, Paulo Alcantara <pc@manguebit.com>, 
 Ronnie Sahlberg <ronniesahlberg@gmail.com>, 
 Shyam Prasad N <sprasad@microsoft.com>, Namjae Jeon <linkinjeon@kernel.org>, 
 Sergey Senozhatsky <senozhatsky@chromium.org>, 
 Miklos Szeredi <miklos@szeredi.hu>
Cc: linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, 
 linux-fsdevel@vger.kernel.org, v9fs@lists.linux.dev, 
 linux-afs@lists.infradead.org, ceph-devel@vger.kernel.org, 
 gfs2@lists.linux.dev, linux-nfs@vger.kernel.org, 
 ocfs2-devel@lists.linux.dev, linux-cifs@vger.kernel.org, 
 Jeff Layton <jlayton@kernel.org>

locks_translate_pid is used on both locks and leases, so have that take
struct file_lock_core.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
---
 fs/locks.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/fs/locks.c b/fs/locks.c
index 50d02a53ca75..97f6e9163130 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -2169,17 +2169,17 @@ EXPORT_SYMBOL_GPL(vfs_test_lock);
  *
  * Used to translate a fl_pid into a namespace virtual pid number
  */
-static pid_t locks_translate_pid(struct file_lock *fl, struct pid_namespace *ns)
+static pid_t locks_translate_pid(struct file_lock_core *fl, struct pid_namespace *ns)
 {
 	pid_t vnr;
 	struct pid *pid;
 
-	if (fl->c.flc_flags & FL_OFDLCK)
+	if (fl->flc_flags & FL_OFDLCK)
 		return -1;
 
 	/* Remote locks report a negative pid value */
-	if (fl->c.flc_pid <= 0)
-		return fl->c.flc_pid;
+	if (fl->flc_pid <= 0)
+		return fl->flc_pid;
 
 	/*
 	 * If the flock owner process is dead and its pid has been already
@@ -2187,10 +2187,10 @@ static pid_t locks_translate_pid(struct file_lock *fl, struct pid_namespace *ns)
 	 * flock owner pid number in init pidns.
 	 */
 	if (ns == &init_pid_ns)
-		return (pid_t) fl->c.flc_pid;
+		return (pid_t) fl->flc_pid;
 
 	rcu_read_lock();
-	pid = find_pid_ns(fl->c.flc_pid, &init_pid_ns);
+	pid = find_pid_ns(fl->flc_pid, &init_pid_ns);
 	vnr = pid_nr_ns(pid, ns);
 	rcu_read_unlock();
 	return vnr;
@@ -2198,7 +2198,7 @@ static pid_t locks_translate_pid(struct file_lock *fl, struct pid_namespace *ns)
 
 static int posix_lock_to_flock(struct flock *flock, struct file_lock *fl)
 {
-	flock->l_pid = locks_translate_pid(fl, task_active_pid_ns(current));
+	flock->l_pid = locks_translate_pid(&fl->c, task_active_pid_ns(current));
 #if BITS_PER_LONG == 32
 	/*
 	 * Make sure we can represent the posix lock via
@@ -2220,7 +2220,7 @@ static int posix_lock_to_flock(struct flock *flock, struct file_lock *fl)
 #if BITS_PER_LONG == 32
 static void posix_lock_to_flock64(struct flock64 *flock, struct file_lock *fl)
 {
-	flock->l_pid = locks_translate_pid(fl, task_active_pid_ns(current));
+	flock->l_pid = locks_translate_pid(&fl->c, task_active_pid_ns(current));
 	flock->l_start = fl->fl_start;
 	flock->l_len = fl->fl_end == OFFSET_MAX ? 0 :
 		fl->fl_end - fl->fl_start + 1;
@@ -2726,7 +2726,7 @@ static void lock_get_status(struct seq_file *f, struct file_lock *fl,
 	struct pid_namespace *proc_pidns = proc_pid_ns(file_inode(f->file)->i_sb);
 	int type = fl->c.flc_type;
 
-	pid = locks_translate_pid(fl, proc_pidns);
+	pid = locks_translate_pid(&fl->c, proc_pidns);
 	/*
 	 * If lock owner is dead (and pid is freed) or not visible in current
 	 * pidns, zero is shown as a pid value. Check lock info from
@@ -2819,7 +2819,7 @@ static int locks_show(struct seq_file *f, void *v)
 
 	cur = hlist_entry(v, struct file_lock, c.flc_link);
 
-	if (locks_translate_pid(cur, proc_pidns) == 0)
+	if (locks_translate_pid(&cur->c, proc_pidns) == 0)
 		return 0;
 
 	/* View this crossed linked list as a binary tree, the first member of fl_blocked_requests

-- 
2.43.0