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https://github.com/torvalds/linux
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b4f19e3bce
All callers have a folio now, so convert it. Link: https://lkml.kernel.org/r/20231127143036.2425-18-konishi.ryusuke@gmail.com Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Buffer/page management specific to NILFS
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*
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* Copyright (C) 2005-2008 Nippon Telegraph and Telephone Corporation.
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*
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* Written by Ryusuke Konishi and Seiji Kihara.
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*/
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#ifndef _NILFS_PAGE_H
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#define _NILFS_PAGE_H
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#include <linux/buffer_head.h>
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#include "nilfs.h"
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/*
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* Extended buffer state bits
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*/
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enum {
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BH_NILFS_Allocated = BH_PrivateStart,
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BH_NILFS_Node,
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BH_NILFS_Volatile,
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BH_NILFS_Checked,
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BH_NILFS_Redirected,
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};
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BUFFER_FNS(NILFS_Node, nilfs_node) /* nilfs node buffers */
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BUFFER_FNS(NILFS_Volatile, nilfs_volatile)
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BUFFER_FNS(NILFS_Checked, nilfs_checked) /* buffer is verified */
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BUFFER_FNS(NILFS_Redirected, nilfs_redirected) /* redirected to a copy */
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void __nilfs_clear_folio_dirty(struct folio *);
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struct buffer_head *nilfs_grab_buffer(struct inode *, struct address_space *,
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unsigned long, unsigned long);
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void nilfs_forget_buffer(struct buffer_head *);
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void nilfs_copy_buffer(struct buffer_head *, struct buffer_head *);
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bool nilfs_folio_buffers_clean(struct folio *);
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void nilfs_folio_bug(struct folio *);
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int nilfs_copy_dirty_pages(struct address_space *, struct address_space *);
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void nilfs_copy_back_pages(struct address_space *, struct address_space *);
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void nilfs_clear_folio_dirty(struct folio *, bool);
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void nilfs_clear_dirty_pages(struct address_space *, bool);
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unsigned int nilfs_page_count_clean_buffers(struct page *, unsigned int,
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unsigned int);
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unsigned long nilfs_find_uncommitted_extent(struct inode *inode,
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sector_t start_blk,
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sector_t *blkoff);
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#define NILFS_FOLIO_BUG(folio, m, a...) \
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do { nilfs_folio_bug(folio); BUG(); } while (0)
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#endif /* _NILFS_PAGE_H */
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