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btrfs: add setlease file operation

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Add the setlease file_operation to btrfs_file_operations and
btrfs_dir_file_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-v1-3-ea4dec9b67fa@kernel.org
Acked-by: David Sterba <dsterba@suse.com>
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 12:12:58 -05:00 • committed by Christian Brauner
parent 663cdef61a
commit f9688474e4
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2 changed files with 4 additions and 0 deletions
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2
fs/btrfs/file.c
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@ -10,6 +10,7 @@
#include <linux/string.h>
#include <linux/backing-dev.h>
#include <linux/falloc.h>
#include <linux/filelock.h>
#include <linux/writeback.h>
#include <linux/compat.h>
#include <linux/slab.h>
@ -3867,6 +3868,7 @@ const struct file_operations btrfs_file_operations = {
.remap_file_range = btrfs_remap_file_range,
.uring_cmd = btrfs_uring_cmd,
.fop_flags = FOP_BUFFER_RASYNC | FOP_BUFFER_WASYNC,
.setlease = generic_setlease,
};
int btrfs_fdatawrite_range(struct btrfs_inode *inode, loff_t start, loff_t end)

2
fs/btrfs/inode.c
View file

@ -8,6 +8,7 @@
#include <linux/bio.h>
#include <linux/blk-cgroup.h>
#include <linux/file.h>
#include <linux/filelock.h>
#include <linux/fs.h>
#include <linux/fs_struct.h>
#include <linux/pagemap.h>
@ -10596,6 +10597,7 @@ static const struct file_operations btrfs_dir_file_operations = {
#endif
.release = btrfs_release_file,
.fsync = btrfs_sync_file,
.setlease = generic_setlease,
};
/*