diff options
| author | Daeho Jeong <daehojeong@google.com> | 2020-07-02 13:14:14 +0900 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2020-07-07 21:51:49 -0700 |
| commit | 0e5e81114de1c4ac32e36f057256653a04f27a33 (patch) | |
| tree | 82b722cb81adf2219906c8d8cf75e50b699edddf /fs/f2fs/f2fs.h | |
| parent | 6b12367da22f1c9d4d0073f8d802f616c735f95b (diff) | |
f2fs: add GC_URGENT_LOW mode in gc_urgent
Added a new gc_urgent mode, GC_URGENT_LOW, in which mode
F2FS will lower the bar of checking idle in order to
process outstanding discard commands and GC a little bit
aggressively.
Signed-off-by: Daeho Jeong <daehojeong@google.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/f2fs.h')
| -rw-r--r-- | fs/f2fs/f2fs.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index c98a9182862b..b747223860d5 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1268,7 +1268,8 @@ enum { GC_NORMAL, GC_IDLE_CB, GC_IDLE_GREEDY, - GC_URGENT, + GC_URGENT_HIGH, + GC_URGENT_LOW, }; enum { @@ -1525,6 +1526,7 @@ struct f2fs_sb_info { unsigned int cur_victim_sec; /* current victim section num */ unsigned int gc_mode; /* current GC state */ unsigned int next_victim_seg[2]; /* next segment in victim section */ + /* for skip statistic */ unsigned int atomic_files; /* # of opened atomic file */ unsigned long long skipped_atomic_files[2]; /* FG_GC and BG_GC */ @@ -2465,7 +2467,7 @@ static inline void *f2fs_kmem_cache_alloc(struct kmem_cache *cachep, static inline bool is_idle(struct f2fs_sb_info *sbi, int type) { - if (sbi->gc_mode == GC_URGENT) + if (sbi->gc_mode == GC_URGENT_HIGH) return true; if (get_pages(sbi, F2FS_RD_DATA) || get_pages(sbi, F2FS_RD_NODE) || @@ -2483,6 +2485,10 @@ static inline bool is_idle(struct f2fs_sb_info *sbi, int type) atomic_read(&SM_I(sbi)->fcc_info->queued_flush)) return false; + if (sbi->gc_mode == GC_URGENT_LOW && + (type == DISCARD_TIME || type == GC_TIME)) + return true; + return f2fs_time_over(sbi, type); } |