mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-30 16:07:39 +00:00
ae98043f5f
Remove the verbose license text from NILFS2 files and replace them with SPDX tags. This does not change the license of any of the code. Link: http://lkml.kernel.org/r/1535624528-5982-1-git-send-email-konishi.ryusuke@lab.ntt.co.jp Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
46 lines
1.4 KiB
C
46 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* btnode.h - NILFS B-tree node cache
|
|
*
|
|
* Copyright (C) 2005-2008 Nippon Telegraph and Telephone Corporation.
|
|
*
|
|
* Written by Seiji Kihara.
|
|
* Revised by Ryusuke Konishi.
|
|
*/
|
|
|
|
#ifndef _NILFS_BTNODE_H
|
|
#define _NILFS_BTNODE_H
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/buffer_head.h>
|
|
#include <linux/fs.h>
|
|
#include <linux/backing-dev.h>
|
|
|
|
/**
|
|
* struct nilfs_btnode_chkey_ctxt - change key context
|
|
* @oldkey: old key of block's moving content
|
|
* @newkey: new key for block's content
|
|
* @bh: buffer head of old buffer
|
|
* @newbh: buffer head of new buffer
|
|
*/
|
|
struct nilfs_btnode_chkey_ctxt {
|
|
__u64 oldkey;
|
|
__u64 newkey;
|
|
struct buffer_head *bh;
|
|
struct buffer_head *newbh;
|
|
};
|
|
|
|
void nilfs_btnode_cache_clear(struct address_space *);
|
|
struct buffer_head *nilfs_btnode_create_block(struct address_space *btnc,
|
|
__u64 blocknr);
|
|
int nilfs_btnode_submit_block(struct address_space *, __u64, sector_t, int,
|
|
int, struct buffer_head **, sector_t *);
|
|
void nilfs_btnode_delete(struct buffer_head *);
|
|
int nilfs_btnode_prepare_change_key(struct address_space *,
|
|
struct nilfs_btnode_chkey_ctxt *);
|
|
void nilfs_btnode_commit_change_key(struct address_space *,
|
|
struct nilfs_btnode_chkey_ctxt *);
|
|
void nilfs_btnode_abort_change_key(struct address_space *,
|
|
struct nilfs_btnode_chkey_ctxt *);
|
|
|
|
#endif /* _NILFS_BTNODE_H */
|