f2fs.h (e17d488bce9ef4fe3b18d1548ea79b65f836b497) f2fs.h (d5097be55c21c103d2227591708425aab2e9682d)
1/*
2 * fs/f2fs/f2fs.h
3 *
4 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
5 * http://www.samsung.com/
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as

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537 F2FS_MAP_UNWRITTEN)
538
539struct f2fs_map_blocks {
540 block_t m_pblk;
541 block_t m_lblk;
542 unsigned int m_len;
543 unsigned int m_flags;
544 pgoff_t *m_next_pgofs; /* point next possible non-hole pgofs */
1/*
2 * fs/f2fs/f2fs.h
3 *
4 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
5 * http://www.samsung.com/
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as

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537 F2FS_MAP_UNWRITTEN)
538
539struct f2fs_map_blocks {
540 block_t m_pblk;
541 block_t m_lblk;
542 unsigned int m_len;
543 unsigned int m_flags;
544 pgoff_t *m_next_pgofs; /* point next possible non-hole pgofs */
545 int m_seg_type;
545};
546
547/* for flag in get_data_block */
548enum {
549 F2FS_GET_BLOCK_DEFAULT,
550 F2FS_GET_BLOCK_FIEMAP,
551 F2FS_GET_BLOCK_BMAP,
552 F2FS_GET_BLOCK_PRE_DIO,

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2669void write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk);
2670int lookup_journal_in_cursum(struct f2fs_journal *journal, int type,
2671 unsigned int val, int alloc);
2672void flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc);
2673int build_segment_manager(struct f2fs_sb_info *sbi);
2674void destroy_segment_manager(struct f2fs_sb_info *sbi);
2675int __init create_segment_manager_caches(void);
2676void destroy_segment_manager_caches(void);
546};
547
548/* for flag in get_data_block */
549enum {
550 F2FS_GET_BLOCK_DEFAULT,
551 F2FS_GET_BLOCK_FIEMAP,
552 F2FS_GET_BLOCK_BMAP,
553 F2FS_GET_BLOCK_PRE_DIO,

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2670void write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk);
2671int lookup_journal_in_cursum(struct f2fs_journal *journal, int type,
2672 unsigned int val, int alloc);
2673void flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc);
2674int build_segment_manager(struct f2fs_sb_info *sbi);
2675void destroy_segment_manager(struct f2fs_sb_info *sbi);
2676int __init create_segment_manager_caches(void);
2677void destroy_segment_manager_caches(void);
2678int rw_hint_to_seg_type(enum rw_hint hint);
2677
2678/*
2679 * checkpoint.c
2680 */
2681void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io);
2682struct page *grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index);
2683struct page *get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index);
2684struct page *get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index);

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2680/*
2681 * checkpoint.c
2682 */
2683void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io);
2684struct page *grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index);
2685struct page *get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index);
2686struct page *get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index);

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