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ext4: add setlease file operation 

Add the setlease file_operation to ext4_file_operations and
ext4_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-v1-6-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 12:13:01 -05:00 committed by Christian Brauner
parent ccdc2e0569
commit 20747a2a29
No known key found for this signature in database
GPG Key ID: 91C61BC06578DCA2
2 changed files with 4 additions and 0 deletions
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2
fs/ext4/dir.c
View File

@ -24,6 +24,7 @@
#include <linux/fs.h>
#include <linux/buffer_head.h>
#include <linux/filelock.h>
#include <linux/slab.h>
#include <linux/iversion.h>
#include <linux/unicode.h>
@ -690,4 +691,5 @@ const struct file_operations ext4_dir_operations = {
#endif
.fsync = ext4_sync_file,
.release = ext4_release_dir,
.setlease = generic_setlease,
};

2
fs/ext4/file.c
View File

@ -25,6 +25,7 @@
#include <linux/mount.h>
#include <linux/path.h>
#include <linux/dax.h>
#include <linux/filelock.h>
#include <linux/quotaops.h>
#include <linux/pagevec.h>
#include <linux/uio.h>
@ -980,6 +981,7 @@ const struct file_operations ext4_file_operations = {
.fop_flags = FOP_MMAP_SYNC | FOP_BUFFER_RASYNC |
FOP_DIO_PARALLEL_WRITE |
FOP_DONTCACHE,
.setlease = generic_setlease,
};
const struct inode_operations ext4_file_inode_operations = {