diff options
| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-07-13 18:23:35 -0700 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-04-13 12:33:53 +0200 |
| commit | 4d3d8f7f10e84b7847324d4499a93db0bf6bf002 (patch) | |
| tree | 17346acb9de417e8b9bbbb5a9aeb7b2418416b72 | |
| parent | b2fd1c6091d1c74b87593264af1955e102f42411 (diff) | |
f2fs: add maximum prefree segments
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@kernel.org>
| -rw-r--r-- | fs/f2fs/segment.c | 3 | ||||
| -rw-r--r-- | fs/f2fs/segment.h | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index f7343b5b7..dec51867b 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -2468,6 +2468,9 @@ 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 675418619..7073bd154 100644 --- a/fs/f2fs/segment.h +++ b/fs/f2fs/segment.h @@ -15,6 +15,7 @@ #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) |