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overlayfs: add setlease file operation

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Add the setlease file_operation to ovl_file_operations and
ovl_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-v1-17-ea4dec9b67fa@kernel.org
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Jeff Layton
2026-01-08 12:13:12 -05:00
committed by Christian Brauner
parent 136b43aa4b
commit 94a3f60af5
2 changed files with 4 additions and 0 deletions
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2
fs/overlayfs/file.c
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@@ -5,6 +5,7 @@
#include <linux/cred.h>
#include <linux/file.h>
#include <linux/filelock.h>
#include <linux/mount.h>
#include <linux/xattr.h>
#include <linux/uio.h>
@@ -647,4 +648,5 @@ const struct file_operations ovl_file_operations = {
.copy_file_range = ovl_copy_file_range,
.remap_file_range = ovl_remap_file_range,
.setlease = generic_setlease,
};

2
fs/overlayfs/readdir.c
View File

@@ -8,6 +8,7 @@
#include <linux/slab.h>
#include <linux/namei.h>
#include <linux/file.h>
#include <linux/filelock.h>
#include <linux/xattr.h>
#include <linux/rbtree.h>
#include <linux/security.h>
@@ -1070,6 +1071,7 @@ const struct file_operations ovl_dir_operations = {
.llseek = ovl_dir_llseek,
.fsync = ovl_dir_fsync,
.release = ovl_dir_release,
.setlease = generic_setlease,
};
int ovl_check_empty_dir(struct dentry *dentry, struct list_head *list)