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f2fs: fix to enable readahead for SSA/CP blocks
1.We use zero as upper boundary value for ra SSA/CP blocks, we will skip readahead as verification failure with max number, it causes low performance. 2.Low boundary value is not accurate for SSA/CP/POR region verification, so these values need to be redefined. This patch fixes above issues. Signed-off-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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parent
03e14d522e
commit
13da549460
1 changed files with 15 additions and 2 deletions
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@ -95,8 +95,9 @@ static inline block_t get_max_meta_blks(struct f2fs_sb_info *sbi, int type)
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case META_SIT:
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return SIT_BLK_CNT(sbi);
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case META_SSA:
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return MAIN_BLKADDR(sbi);
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case META_CP:
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return 0;
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return SM_I(sbi)->sit_info->sit_base_addr;
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case META_POR:
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return MAX_BLKADDR(sbi);
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default:
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@ -141,11 +142,23 @@ int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages, int type
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prev_blk_addr = blk_addr;
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break;
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case META_SSA:
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if (unlikely(blkno >= max_blks))
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goto out;
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if (unlikely(blkno < SM_I(sbi)->ssa_blkaddr))
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goto out;
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blk_addr = blkno;
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break;
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case META_CP:
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if (unlikely(blkno >= max_blks))
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goto out;
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if (unlikely(blkno < __start_cp_addr(sbi)))
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goto out;
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blk_addr = blkno;
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break;
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case META_POR:
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if (unlikely(blkno >= max_blks))
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goto out;
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if (unlikely(blkno < SEG0_BLKADDR(sbi)))
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if (unlikely(blkno < MAIN_BLKADDR(sbi)))
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goto out;
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blk_addr = blkno;
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break;
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