segment.h (4ba24fef3eb3b142197135223b90ced2f319cd53) segment.h (caf0047e7e1e60a7ad1d655d3b81b32e2dfb6095)
1/*
2 * fs/f2fs/segment.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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455 reserved_sections(sbi) + 1);
456}
457
458static inline bool has_not_enough_free_secs(struct f2fs_sb_info *sbi, int freed)
459{
460 int node_secs = get_blocktype_secs(sbi, F2FS_DIRTY_NODES);
461 int dent_secs = get_blocktype_secs(sbi, F2FS_DIRTY_DENTS);
462
1/*
2 * fs/f2fs/segment.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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455 reserved_sections(sbi) + 1);
456}
457
458static inline bool has_not_enough_free_secs(struct f2fs_sb_info *sbi, int freed)
459{
460 int node_secs = get_blocktype_secs(sbi, F2FS_DIRTY_NODES);
461 int dent_secs = get_blocktype_secs(sbi, F2FS_DIRTY_DENTS);
462
463 if (unlikely(sbi->por_doing))
463 if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
464 return false;
465
466 return (free_sections(sbi) + freed) <= (node_secs + 2 * dent_secs +
467 reserved_sections(sbi));
468}
469
470static inline bool excess_prefree_segs(struct f2fs_sb_info *sbi)
471{

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594 is_valid = !is_valid;
595 } while (cur_pos < sbi->blocks_per_seg);
596 BUG_ON(GET_SIT_VBLOCKS(raw_sit) != valid_blocks);
597}
598#else
599static inline void check_seg_range(struct f2fs_sb_info *sbi, unsigned int segno)
600{
601 if (segno > TOTAL_SEGS(sbi) - 1)
464 return false;
465
466 return (free_sections(sbi) + freed) <= (node_secs + 2 * dent_secs +
467 reserved_sections(sbi));
468}
469
470static inline bool excess_prefree_segs(struct f2fs_sb_info *sbi)
471{

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594 is_valid = !is_valid;
595 } while (cur_pos < sbi->blocks_per_seg);
596 BUG_ON(GET_SIT_VBLOCKS(raw_sit) != valid_blocks);
597}
598#else
599static inline void check_seg_range(struct f2fs_sb_info *sbi, unsigned int segno)
600{
601 if (segno > TOTAL_SEGS(sbi) - 1)
602 sbi->need_fsck = true;
602 set_sbi_flag(sbi, SBI_NEED_FSCK);
603}
604
605static inline void verify_block_addr(struct f2fs_sb_info *sbi, block_t blk_addr)
606{
607 if (blk_addr < SEG0_BLKADDR(sbi) || blk_addr >= MAX_BLKADDR(sbi))
603}
604
605static inline void verify_block_addr(struct f2fs_sb_info *sbi, block_t blk_addr)
606{
607 if (blk_addr < SEG0_BLKADDR(sbi) || blk_addr >= MAX_BLKADDR(sbi))
608 sbi->need_fsck = true;
608 set_sbi_flag(sbi, SBI_NEED_FSCK);
609}
610
611/*
612 * Summary block is always treated as an invalid block
613 */
614static inline void check_block_count(struct f2fs_sb_info *sbi,
615 int segno, struct f2fs_sit_entry *raw_sit)
616{
617 /* check segment usage */
618 if (GET_SIT_VBLOCKS(raw_sit) > sbi->blocks_per_seg)
609}
610
611/*
612 * Summary block is always treated as an invalid block
613 */
614static inline void check_block_count(struct f2fs_sb_info *sbi,
615 int segno, struct f2fs_sit_entry *raw_sit)
616{
617 /* check segment usage */
618 if (GET_SIT_VBLOCKS(raw_sit) > sbi->blocks_per_seg)
619 sbi->need_fsck = true;
619 set_sbi_flag(sbi, SBI_NEED_FSCK);
620
621 /* check boundary of a given segment number */
622 if (segno > TOTAL_SEGS(sbi) - 1)
620
621 /* check boundary of a given segment number */
622 if (segno > TOTAL_SEGS(sbi) - 1)
623 sbi->need_fsck = true;
623 set_sbi_flag(sbi, SBI_NEED_FSCK);
624}
625#endif
626
627static inline pgoff_t current_sit_addr(struct f2fs_sb_info *sbi,
628 unsigned int start)
629{
630 struct sit_info *sit_i = SIT_I(sbi);
631 unsigned int offset = SIT_BLOCK_OFFSET(start);

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625#endif
626
627static inline pgoff_t current_sit_addr(struct f2fs_sb_info *sbi,
628 unsigned int start)
629{
630 struct sit_info *sit_i = SIT_I(sbi);
631 unsigned int offset = SIT_BLOCK_OFFSET(start);

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