From 9e2ac6ddb397408a77781b0de8525068f51a81cd Mon Sep 17 00:00:00 2001
From: Jeff Layton <jlayton@kernel.org>
Date: Thu, 8 Jan 2026 12:13:03 -0500
Subject: [PATCH] f2fs: add setlease file operation

Add the setlease file_operation to f2fs_file_operations and
f2fs_dir_operations, pointing to generic_setlease.  A future patch will
change the default behavior to reject lease attempts with -EINVAL when
there is no setlease file operation defined. Add generic_setlease to
retain the ability to set leases on this filesystem.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://patch.msgid.link/20260108-setlease-6-20-v1-8-ea4dec9b67fa@kernel.org
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
---
 fs/f2fs/dir.c  | 2 ++
 fs/f2fs/file.c | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index 48f4f98afb01..be70dfb3b152 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -8,6 +8,7 @@
 #include <linux/unaligned.h>
 #include <linux/fs.h>
 #include <linux/f2fs_fs.h>
+#include <linux/filelock.h>
 #include <linux/sched/signal.h>
 #include <linux/unicode.h>
 #include "f2fs.h"
@@ -1136,4 +1137,5 @@ const struct file_operations f2fs_dir_operations = {
 #ifdef CONFIG_COMPAT
 	.compat_ioctl   = f2fs_compat_ioctl,
 #endif
+	.setlease	= generic_setlease,
 };
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index d7047ca6b98d..cd4b1d3c90ab 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -11,6 +11,7 @@
 #include <linux/writeback.h>
 #include <linux/blkdev.h>
 #include <linux/falloc.h>
+#include <linux/filelock.h>
 #include <linux/types.h>
 #include <linux/compat.h>
 #include <linux/uaccess.h>
@@ -5457,4 +5458,5 @@ const struct file_operations f2fs_file_operations = {
 	.splice_write	= iter_file_splice_write,
 	.fadvise	= f2fs_file_fadvise,
 	.fop_flags	= FOP_BUFFER_RASYNC,
+	.setlease	= generic_setlease,
 };