linux-kernel - [PATCH v3 15/47] smb/server: convert to using new filelock helpers

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Message-Id: <20240131-flsplit-v3-15-c6129007ee8d@kernel.org>
Date: Wed, 31 Jan 2024 18:01:56 -0500
From: Jeff Layton <jlayton@...nel.org>
To: Steven Rostedt <rostedt@...dmis.org>, 
 Masami Hiramatsu <mhiramat@...nel.org>, 
 Mathieu Desnoyers <mathieu.desnoyers@...icios.com>, 
 Chuck Lever <chuck.lever@...cle.com>, 
 Alexander Viro <viro@...iv.linux.org.uk>, 
 Christian Brauner <brauner@...nel.org>, Jan Kara <jack@...e.cz>, 
 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>, 
 Andreas Gruenbacher <agruenba@...hat.com>, Neil Brown <neilb@...e.de>, 
 Olga Kornievskaia <kolga@...app.com>, Dai Ngo <Dai.Ngo@...cle.com>, 
 Tom Talpey <tom@...pey.com>, 
 Trond Myklebust <trond.myklebust@...merspace.com>, 
 Anna Schumaker <anna@...nel.org>, 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>, 
 Ronnie Sahlberg <ronniesahlberg@...il.com>, 
 Shyam Prasad N <sprasad@...rosoft.com>, Namjae Jeon <linkinjeon@...nel.org>, 
 Sergey Senozhatsky <senozhatsky@...omium.org>, 
 Miklos Szeredi <miklos@...redi.hu>
Cc: linux-kernel@...r.kernel.org, linux-trace-kernel@...r.kernel.org, 
 linux-fsdevel@...r.kernel.org, v9fs@...ts.linux.dev, 
 linux-afs@...ts.infradead.org, ceph-devel@...r.kernel.org, 
 gfs2@...ts.linux.dev, linux-nfs@...r.kernel.org, 
 ocfs2-devel@...ts.linux.dev, linux-cifs@...r.kernel.org, 
 Jeff Layton <jlayton@...nel.org>
Subject: [PATCH v3 15/47] smb/server: convert to using new filelock helpers

Convert to using the new file locking helper functions.

Signed-off-by: Jeff Layton <jlayton@...nel.org>
---
 fs/smb/server/smb2pdu.c | 6 +++---
 fs/smb/server/vfs.c     | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c
index ba7a72a6a4f4..e170b96d5ac0 100644
--- a/fs/smb/server/smb2pdu.c
+++ b/fs/smb/server/smb2pdu.c
@@ -6841,7 +6841,7 @@ static void smb2_remove_blocked_lock(void **argv)
 	struct file_lock *flock = (struct file_lock *)argv[0];
 
 	ksmbd_vfs_posix_lock_unblock(flock);
-	wake_up(&flock->fl_wait);
+	locks_wake_up(flock);
 }
 
 static inline bool lock_defer_pending(struct file_lock *fl)
@@ -6991,7 +6991,7 @@ int smb2_lock(struct ksmbd_work *work)
 				    file_inode(smb_lock->fl->fl_file))
 					continue;
 
-				if (smb_lock->fl->fl_type == F_UNLCK) {
+				if (lock_is_unlock(smb_lock->fl)) {
 					if (cmp_lock->fl->fl_file == smb_lock->fl->fl_file &&
 					    cmp_lock->start == smb_lock->start &&
 					    cmp_lock->end == smb_lock->end &&
@@ -7051,7 +7051,7 @@ int smb2_lock(struct ksmbd_work *work)
 		}
 		up_read(&conn_list_lock);
 out_check_cl:
-		if (smb_lock->fl->fl_type == F_UNLCK && nolock) {
+		if (lock_is_unlock(smb_lock->fl) && nolock) {
 			pr_err("Try to unlock nolocked range\n");
 			rsp->hdr.Status = STATUS_RANGE_NOT_LOCKED;
 			goto out;
diff --git a/fs/smb/server/vfs.c b/fs/smb/server/vfs.c
index a6961bfe3e13..449cfa9ed31c 100644
--- a/fs/smb/server/vfs.c
+++ b/fs/smb/server/vfs.c
@@ -337,16 +337,16 @@ static int check_lock_range(struct file *filp, loff_t start, loff_t end,
 		return 0;
 
 	spin_lock(&ctx->flc_lock);
-	list_for_each_entry(flock, &ctx->flc_posix, fl_list) {
+	for_each_file_lock(flock, &ctx->flc_posix) {
 		/* check conflict locks */
 		if (flock->fl_end >= start && end >= flock->fl_start) {
-			if (flock->fl_type == F_RDLCK) {
+			if (lock_is_read(flock)) {
 				if (type == WRITE) {
 					pr_err("not allow write by shared lock\n");
 					error = 1;
 					goto out;
 				}
-			} else if (flock->fl_type == F_WRLCK) {
+			} else if (lock_is_write(flock)) {
 				/* check owner in lock */
 				if (flock->fl_file != filp) {
 					error = 1;

-- 
2.43.0