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fs: add setlease to generic_ro_fops and read-only filesystem directory operations

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Add the setlease file_operation to generic_ro_fops, which covers file
operations for several read-only filesystems (BEFS, EFS, ISOFS, QNX4,
QNX6, CRAMFS, FREEVXFS). Also add setlease to the directory
file_operations for these filesystems.	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 these filesystems.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://patch.msgid.link/20260108-setlease-6-20-v1-1-ea4dec9b67fa@kernel.org
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Jeff Layton
2026-01-08 12:12:56 -05:00
committed by Christian Brauner
parent 7d42f2b1cc
commit ca4388bf1d
8 changed files with 16 additions and 0 deletions
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2
fs/cramfs/inode.c
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@@ -16,6 +16,7 @@
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/file.h>
#include <linux/filelock.h>
#include <linux/pagemap.h>
#include <linux/ramfs.h>
#include <linux/init.h>
@@ -938,6 +939,7 @@ static const struct file_operations cramfs_directory_operations = {
.llseek = generic_file_llseek,
.read = generic_read_dir,
.iterate_shared = cramfs_readdir,
.setlease = generic_setlease,
};
static const struct inode_operations cramfs_dir_inode_operations = {