linux-kernel - [PATCH 20/24] udf: add setlease file operation

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Message-Id: <20260108-setlease-6-20-v1-20-ea4dec9b67fa@kernel.org>
Date: Thu, 08 Jan 2026 12:13:15 -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>, 
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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, 
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 Jeff Layton <jlayton@...nel.org>
Subject: [PATCH 20/24] udf: add setlease file operation

Add the setlease file_operation pointing to generic_setlease to the udf
file_operations structures. 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/udf/dir.c  | 2 ++
 fs/udf/file.c | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/fs/udf/dir.c b/fs/udf/dir.c
index 5023dfe191e8088b78396997a8915bf383f7a2d2..5bf75638f3520ecb3a0a2ade2279ab56787ecd11 100644
--- a/fs/udf/dir.c
+++ b/fs/udf/dir.c
@@ -24,6 +24,7 @@
 
 #include <linux/string.h>
 #include <linux/errno.h>
+#include <linux/filelock.h>
 #include <linux/mm.h>
 #include <linux/slab.h>
 #include <linux/bio.h>
@@ -157,4 +158,5 @@ const struct file_operations udf_dir_operations = {
 	.iterate_shared		= udf_readdir,
 	.unlocked_ioctl		= udf_ioctl,
 	.fsync			= generic_file_fsync,
+	.setlease		= generic_setlease,
 };
diff --git a/fs/udf/file.c b/fs/udf/file.c
index 0d76c4f37b3e71ffe6a883a8d97a6c3038d2a01d..32ae7cfd72c549958b70824b449cf146f6750f44 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -28,6 +28,7 @@
 #include <linux/string.h> /* memset */
 #include <linux/capability.h>
 #include <linux/errno.h>
+#include <linux/filelock.h>
 #include <linux/pagemap.h>
 #include <linux/uio.h>
 
@@ -208,6 +209,7 @@ const struct file_operations udf_file_operations = {
 	.splice_read		= filemap_splice_read,
 	.splice_write		= iter_file_splice_write,
 	.llseek			= generic_file_llseek,
+	.setlease		= generic_setlease,
 };
 
 static int udf_setattr(struct mnt_idmap *idmap, struct dentry *dentry,

-- 
2.52.0