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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-02-22 17:10:18 -0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-02-24 10:01:08 -0800 |
| commit | c192f7a4779559dddeb8c03de2b6ef499115c938 (patch) | |
| tree | 421cbc140d547f470ff66a6974e90999e0ca2ffc /fs/f2fs | |
| parent | d0db7703ac186ff2fbed1e8b862bd43ec3fd2812 (diff) | |
| download | talos-obmc-linux-c192f7a4779559dddeb8c03de2b6ef499115c938.tar.gz talos-obmc-linux-c192f7a4779559dddeb8c03de2b6ef499115c938.zip | |
f2fs: find data segments across all the types
Previously, if type is CURSEG_HOT_DATA, we only check CURSEG_HOT_DATA only.
This patch fixes to search all the different types for SSR.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/segment.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 8ba802e1bb06..630e7045c53e 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -1528,16 +1528,23 @@ static int get_ssr_segment(struct f2fs_sb_info *sbi, int type) { struct curseg_info *curseg = CURSEG_I(sbi, type); const struct victim_selection *v_ops = DIRTY_I(sbi)->v_ops; + int i; + + /* need_SSR() already forces to do this */ + if (v_ops->get_victim(sbi, &(curseg)->next_segno, BG_GC, type, SSR)) + return 1; if (IS_NODESEG(type)) - return v_ops->get_victim(sbi, - &(curseg)->next_segno, BG_GC, type, SSR); + return 0; /* For data segments, let's do SSR more intensively */ - for (; type >= CURSEG_HOT_DATA; type--) + for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_DATA; i++) { + if (i == type) + continue; if (v_ops->get_victim(sbi, &(curseg)->next_segno, - BG_GC, type, SSR)) + BG_GC, i, SSR)) return 1; + } return 0; } |
