linux/fs/nilfs2/page.h
Ryusuke Konishi 299910dcb4 nilfs2: do not output warnings when clearing dirty buffers
After detecting file system corruption and degrading to a read-only mount,
dirty folios and buffers in the page cache are cleared, and a large number
of warnings are output at that time, often filling up the kernel log.

In this case, since the degrading to a read-only mount is output to the
kernel log, these warnings are not very meaningful, and are rather a
nuisance in system management and debugging.

The related nilfs2-specific page/folio routines have a silent argument
that suppresses the warning output, but since it is not currently used
meaningfully, remove both the silent argument and the warning output.

Link: https://lkml.kernel.org/r/20240816090128.4561-1-konishi.ryusuke@gmail.com
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-09-01 20:43:35 -07:00

56 lines
1.7 KiB
C

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Buffer/page management specific to NILFS
*
* Copyright (C) 2005-2008 Nippon Telegraph and Telephone Corporation.
*
* Written by Ryusuke Konishi and Seiji Kihara.
*/
#ifndef _NILFS_PAGE_H
#define _NILFS_PAGE_H
#include <linux/buffer_head.h>
#include "nilfs.h"
/*
* Extended buffer state bits
*/
enum {
BH_NILFS_Allocated = BH_PrivateStart,
BH_NILFS_Node,
BH_NILFS_Volatile,
BH_NILFS_Checked,
BH_NILFS_Redirected,
};
BUFFER_FNS(NILFS_Node, nilfs_node) /* nilfs node buffers */
BUFFER_FNS(NILFS_Volatile, nilfs_volatile)
BUFFER_FNS(NILFS_Checked, nilfs_checked) /* buffer is verified */
BUFFER_FNS(NILFS_Redirected, nilfs_redirected) /* redirected to a copy */
void __nilfs_clear_folio_dirty(struct folio *);
struct buffer_head *nilfs_grab_buffer(struct inode *, struct address_space *,
unsigned long, unsigned long);
void nilfs_forget_buffer(struct buffer_head *);
void nilfs_copy_buffer(struct buffer_head *, struct buffer_head *);
bool nilfs_folio_buffers_clean(struct folio *);
void nilfs_folio_bug(struct folio *);
int nilfs_copy_dirty_pages(struct address_space *, struct address_space *);
void nilfs_copy_back_pages(struct address_space *, struct address_space *);
void nilfs_clear_folio_dirty(struct folio *folio);
void nilfs_clear_dirty_pages(struct address_space *mapping);
unsigned int nilfs_page_count_clean_buffers(struct page *, unsigned int,
unsigned int);
unsigned long nilfs_find_uncommitted_extent(struct inode *inode,
sector_t start_blk,
sector_t *blkoff);
#define NILFS_FOLIO_BUG(folio, m, a...) \
do { nilfs_folio_bug(folio); BUG(); } while (0)
#endif /* _NILFS_PAGE_H */