linux-kernel - [PATCH 04/24] erofs: add setlease file operation

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Message-Id: <20260108-setlease-6-20-v1-4-ea4dec9b67fa@kernel.org>
Date: Thu, 08 Jan 2026 12:12:59 -0500
From: Jeff Layton <jlayton@...nel.org>
To: Luis de Bethencourt <luisbg@...nel.org>, 
 Salah Triki <salah.triki@...il.com>, Nicolas Pitre <nico@...xnic.net>, 
 Christoph Hellwig <hch@...radead.org>, Jan Kara <jack@...e.cz>, 
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Cc: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org, 
 linux-btrfs@...r.kernel.org, linux-erofs@...ts.ozlabs.org, 
 linux-ext4@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net, 
 linux-mtd@...ts.infradead.org, jfs-discussion@...ts.sourceforge.net, 
 linux-nilfs@...r.kernel.org, ntfs3@...ts.linux.dev, 
 ocfs2-devel@...ts.linux.dev, devel@...ts.orangefs.org, 
 linux-unionfs@...r.kernel.org, linux-xfs@...r.kernel.org, 
 linux-mm@...ck.org, gfs2@...ts.linux.dev, linux-doc@...r.kernel.org, 
 v9fs@...ts.linux.dev, ceph-devel@...r.kernel.org, linux-nfs@...r.kernel.org, 
 linux-cifs@...r.kernel.org, samba-technical@...ts.samba.org, 
 Jeff Layton <jlayton@...nel.org>
Subject: [PATCH 04/24] erofs: add setlease file operation

Add the setlease file_operation to erofs_file_fops and erofs_dir_fops,
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@...nel.org>
---
 fs/erofs/data.c | 2 ++
 fs/erofs/dir.c  | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/fs/erofs/data.c b/fs/erofs/data.c
index bb13c4cb845563492a616fc000910112b92df555..e2941b4715616528ddede2dbb9c0744db5d11be5 100644
--- a/fs/erofs/data.c
+++ b/fs/erofs/data.c
@@ -5,6 +5,7 @@
  * Copyright (C) 2021, Alibaba Cloud
  */
 #include "internal.h"
+#include <linux/filelock.h>
 #include <linux/sched/mm.h>
 #include <trace/events/erofs.h>
 
@@ -483,4 +484,5 @@ const struct file_operations erofs_file_fops = {
 	.mmap_prepare	= erofs_file_mmap_prepare,
 	.get_unmapped_area = thp_get_unmapped_area,
 	.splice_read	= filemap_splice_read,
+	.setlease	= generic_setlease,
 };
diff --git a/fs/erofs/dir.c b/fs/erofs/dir.c
index 32b4f5aa60c986dc2acf209960ff6df4077c7aa1..e5132575b9d3ef958a8acbe80bd0d2ddbd865135 100644
--- a/fs/erofs/dir.c
+++ b/fs/erofs/dir.c
@@ -5,6 +5,7 @@
  * Copyright (C) 2022, Alibaba Cloud
  */
 #include "internal.h"
+#include <linux/filelock.h>
 
 static int erofs_fill_dentries(struct inode *dir, struct dir_context *ctx,
 			       void *dentry_blk, struct erofs_dirent *de,
@@ -127,4 +128,5 @@ const struct file_operations erofs_dir_fops = {
 #ifdef CONFIG_COMPAT
 	.compat_ioctl   = erofs_compat_ioctl,
 #endif
+	.setlease	= generic_setlease,
 };

-- 
2.52.0