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tmpfs: add setlease file operation

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Add the setlease file_operation pointing to generic_setlease to the
tmpfs 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@kernel.org>
Link: https://patch.msgid.link/20260108-setlease-6-20-v1-19-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 12:13:14 -05:00 • committed by Christian Brauner
commit f5a3446be2
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2 changed files with 4 additions and 0 deletions
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2
fs/libfs.c
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@ -6,6 +6,7 @@
#include <linux/blkdev.h>
#include <linux/export.h>
#include <linux/filelock.h>
#include <linux/pagemap.h>
#include <linux/slab.h>
#include <linux/cred.h>
@ -570,6 +571,7 @@ const struct file_operations simple_offset_dir_operations = {
.iterate_shared = offset_readdir,
.read = generic_read_dir,
.fsync = noop_fsync,
.setlease = generic_setlease,
};
struct dentry *find_next_child(struct dentry *parent, struct dentry *prev)

2
mm/shmem.c
View file

@ -29,6 +29,7 @@
#include <linux/pagemap.h>
#include <linux/file.h>
#include <linux/fileattr.h>
#include <linux/filelock.h>
#include <linux/mm.h>
#include <linux/random.h>
#include <linux/sched/signal.h>
@ -5219,6 +5220,7 @@ static const struct file_operations shmem_file_operations = {
.splice_read = shmem_file_splice_read,
.splice_write = iter_file_splice_write,
.fallocate = shmem_fallocate,
.setlease = generic_setlease,
#endif
};