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@xxxxxxxxxxx> --- fs/f2fs/checkpoint.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 20a917b..c32ed7c 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -95,8 +95,9 @@ static inline block_t get_max_meta_blks(struct f2fs_sb_info *sbi, int type) case META_SIT: return SIT_BLK_CNT(sbi); case META_SSA: + return MAIN_BLKADDR(sbi); case META_CP: - return 0; + return SM_I(sbi)->sit_info->sit_base_addr; case META_POR: return MAX_BLKADDR(sbi); default: @@ -141,11 +142,23 @@ int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages, int type prev_blk_addr = blk_addr; break; case META_SSA: + if (unlikely(blkno >= max_blks)) + goto out; + if (unlikely(blkno < SM_I(sbi)->ssa_blkaddr)) + goto out; + blk_addr = blkno; + break; case META_CP: + if (unlikely(blkno >= max_blks)) + goto out; + if (unlikely(blkno < __start_cp_addr(sbi))) + goto out; + blk_addr = blkno; + break; case META_POR: if (unlikely(blkno >= max_blks)) goto out; - if (unlikely(blkno < SEG0_BLKADDR(sbi))) + if (unlikely(blkno < MAIN_BLKADDR(sbi))) goto out; blk_addr = blkno; break; -- 2.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
