diff options
| author | qixiaoyu1 <qxy65535@gmail.com> | 2023-02-04 17:43:45 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2023-02-07 10:39:19 -0800 |
| commit | d23be468eada21c828058e0e8d60409eaec373ab (patch) | |
| tree | 6505bfba955c0b157c2f6d0fc476e6eebda22e2e /fs/f2fs/extent_cache.c | |
| parent | 04d7a7ae43fc4eed800efadbb4a18059172afb19 (diff) | |
f2fs: add sysfs nodes to set last_age_weight
Signed-off-by: qixiaoyu1 <qixiaoyu1@xiaomi.com>
Signed-off-by: xiongping1 <xiongping1@xiaomi.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/extent_cache.c')
| -rw-r--r-- | fs/f2fs/extent_cache.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/fs/f2fs/extent_cache.c b/fs/f2fs/extent_cache.c index c8efc957c230..aef308e871ab 100644 --- a/fs/f2fs/extent_cache.c +++ b/fs/f2fs/extent_cache.c @@ -871,19 +871,21 @@ unlock_out: } #endif -static unsigned long long __calculate_block_age(unsigned long long new, +static unsigned long long __calculate_block_age(struct f2fs_sb_info *sbi, + unsigned long long new, unsigned long long old) { unsigned int rem_old, rem_new; unsigned long long res; + unsigned int weight = sbi->last_age_weight; - res = div_u64_rem(new, 100, &rem_new) * (100 - LAST_AGE_WEIGHT) - + div_u64_rem(old, 100, &rem_old) * LAST_AGE_WEIGHT; + res = div_u64_rem(new, 100, &rem_new) * (100 - weight) + + div_u64_rem(old, 100, &rem_old) * weight; if (rem_new) - res += rem_new * (100 - LAST_AGE_WEIGHT) / 100; + res += rem_new * (100 - weight) / 100; if (rem_old) - res += rem_old * LAST_AGE_WEIGHT / 100; + res += rem_old * weight / 100; return res; } @@ -917,7 +919,7 @@ static int __get_new_block_age(struct inode *inode, struct extent_info *ei, cur_age = ULLONG_MAX - tei.last_blocks + cur_blocks; if (tei.age) - ei->age = __calculate_block_age(cur_age, tei.age); + ei->age = __calculate_block_age(sbi, cur_age, tei.age); else ei->age = cur_age; ei->last_blocks = cur_blocks; @@ -1244,6 +1246,7 @@ void f2fs_init_extent_cache_info(struct f2fs_sb_info *sbi) atomic64_set(&sbi->allocated_data_blocks, 0); sbi->hot_data_age_threshold = DEF_HOT_DATA_AGE_THRESHOLD; sbi->warm_data_age_threshold = DEF_WARM_DATA_AGE_THRESHOLD; + sbi->last_age_weight = LAST_AGE_WEIGHT; } int __init f2fs_create_extent_cache(void) |