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| author | Daeho Jeong <daehojeong@google.com> | 2025-07-18 15:04:31 -0700 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2025-07-24 20:19:13 +0000 |
| commit | e6d5e789c3b2df219d6f6a6c7fa0539ce8b563c0 (patch) | |
| tree | f788e2380bef1551492c3db0e31b1e9707fdbd3f /fs/f2fs | |
| parent | f2fs: don't break allocation when crossing contiguous sections (diff) | |
| download | linux-e6d5e789c3b2df219d6f6a6c7fa0539ce8b563c0.tar.gz linux-e6d5e789c3b2df219d6f6a6c7fa0539ce8b563c0.zip | |
f2fs: ignore valid ratio when free section count is low
Otherwise F2FS will not do GC in background in low free section.
Signed-off-by: Daeho Jeong <daehojeong@google.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/gc.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index 1a47a7645790..18b9db2e98ba 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -384,14 +384,15 @@ static unsigned int get_cb_cost(struct f2fs_sb_info *sbi, unsigned int segno) } static inline unsigned int get_gc_cost(struct f2fs_sb_info *sbi, - unsigned int segno, struct victim_sel_policy *p) + unsigned int segno, struct victim_sel_policy *p, + unsigned int valid_thresh_ratio) { if (p->alloc_mode == SSR) return get_seg_entry(sbi, segno)->ckpt_valid_blocks; - if (p->one_time_gc && (get_valid_blocks(sbi, segno, true) >= - CAP_BLKS_PER_SEC(sbi) * sbi->gc_thread->valid_thresh_ratio / - 100)) + if (p->one_time_gc && (valid_thresh_ratio < 100) && + (get_valid_blocks(sbi, segno, true) >= + CAP_BLKS_PER_SEC(sbi) * valid_thresh_ratio / 100)) return UINT_MAX; /* alloc_mode == LFS */ @@ -772,6 +773,7 @@ int f2fs_get_victim(struct f2fs_sb_info *sbi, unsigned int *result, unsigned int secno, last_victim; unsigned int last_segment; unsigned int nsearched; + unsigned int valid_thresh_ratio = 100; bool is_atgc; int ret = 0; @@ -781,7 +783,11 @@ int f2fs_get_victim(struct f2fs_sb_info *sbi, unsigned int *result, p.alloc_mode = alloc_mode; p.age = age; p.age_threshold = sbi->am.age_threshold; - p.one_time_gc = one_time; + if (one_time) { + p.one_time_gc = one_time; + if (has_enough_free_secs(sbi, 0, NR_PERSISTENT_LOG)) + valid_thresh_ratio = sbi->gc_thread->valid_thresh_ratio; + } retry: select_policy(sbi, gc_type, type, &p); @@ -907,7 +913,7 @@ retry: goto next; } - cost = get_gc_cost(sbi, segno, &p); + cost = get_gc_cost(sbi, segno, &p, valid_thresh_ratio); if (p.min_cost > cost) { p.min_segno = segno; |