Messages in this thread Patch in this message | | | From | Jaegeuk Kim <> | Subject | [PATCH 1/2] f2fs: do not select same victim right again | Date | Mon, 9 Sep 2019 02:25:31 +0100 |
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GC must avoid select the same victim again.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> --- fs/f2fs/gc.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index e88f98ddf396..15ca8bbb0b22 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -274,6 +274,9 @@ 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) { + if (sbi->cur_victim_sec == GET_SEC_FROM_SEG(sbi, segno)) + return UINT_MAX; + if (p->alloc_mode == SSR) return get_seg_entry(sbi, segno)->ckpt_valid_blocks; @@ -1326,9 +1329,6 @@ int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, round++; } - if (gc_type == FG_GC) - sbi->cur_victim_sec = NULL_SEGNO; - if (sync) goto stop; -- 2.19.0.605.g01d371f741-goog
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