In 1TB storage, we need to admit 22841 prefree segments, which can consume too much segments. This patch sets 8GB in max. prefree segments in that case. Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx> --- fs/f2fs/segment.c | 3 +++ fs/f2fs/segment.h | 1 + 2 files changed, 4 insertions(+) diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 08f6c0b..e87aa05 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -2409,6 +2409,9 @@ int build_segment_manager(struct f2fs_sb_info *sbi) sm_info->ssa_blkaddr = le32_to_cpu(raw_super->ssa_blkaddr); sm_info->rec_prefree_segments = sm_info->main_segments * DEF_RECLAIM_PREFREE_SEGMENTS / 100; + if (sm_info->rec_prefree_segments > DEF_MAX_RECLAIM_PREFREE_SEGMENTS) + sm_info->rec_prefree_segments = DEF_MAX_RECLAIM_PREFREE_SEGMENTS; + if (!test_opt(sbi, LFS)) sm_info->ipu_policy = 1 << F2FS_IPU_FSYNC; sm_info->min_ipu_util = DEF_MIN_IPU_UTIL; diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h index 57d450f..b33f73e 100644 --- a/fs/f2fs/segment.h +++ b/fs/f2fs/segment.h @@ -16,6 +16,7 @@ #define NULL_SECNO ((unsigned int)(~0)) #define DEF_RECLAIM_PREFREE_SEGMENTS 5 /* 5% over total segments */ +#define DEF_MAX_RECLAIM_PREFREE_SEGMENTS 4096 /* 8GB in maximum */ /* L: Logical segment # in volume, R: Relative segment # in main area */ #define GET_L2R_SEGNO(free_i, segno) (segno - free_i->start_segno) -- 2.8.3 -- 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
