* [PATCH] f2fs: enable tuning of boost_zoned_gc_percent via sysfs
@ 2025-05-23 0:21 yohan.joung
2025-05-23 2:19 ` Chao Yu
0 siblings, 1 reply; 2+ messages in thread
From: yohan.joung @ 2025-05-23 0:21 UTC (permalink / raw)
To: jaegeuk, chao, daehojeong
Cc: linux-kernel, linux-f2fs-devel, pilhyun.kim, yohan.joung
to allow users to dynamically tune
the boost_zoned_gc_percent parameter
Signed-off-by: yohan.joung <yohan.joung@sk.com>
---
fs/f2fs/gc.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/f2fs/gc.h b/fs/f2fs/gc.h
index 5c1eaf55e127..f9ff68dc2bcc 100644
--- a/fs/f2fs/gc.h
+++ b/fs/f2fs/gc.h
@@ -194,6 +194,8 @@ static inline bool has_enough_invalid_blocks(struct f2fs_sb_info *sbi)
static inline bool need_to_boost_gc(struct f2fs_sb_info *sbi)
{
if (f2fs_sb_has_blkzoned(sbi))
- return !has_enough_free_blocks(sbi, LIMIT_BOOST_ZONED_GC);
+ return !has_enough_free_blocks(sbi,
+ sbi->gc_thread->boost_zoned_gc_percent < 100
+ ? sbi->gc_thread->boost_zoned_gc_percent : 100);
return has_enough_invalid_blocks(sbi);
}
--
2.33.0
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH] f2fs: enable tuning of boost_zoned_gc_percent via sysfs
2025-05-23 0:21 [PATCH] f2fs: enable tuning of boost_zoned_gc_percent via sysfs yohan.joung
@ 2025-05-23 2:19 ` Chao Yu
0 siblings, 0 replies; 2+ messages in thread
From: Chao Yu @ 2025-05-23 2:19 UTC (permalink / raw)
To: yohan.joung, jaegeuk, daehojeong
Cc: chao, linux-kernel, linux-f2fs-devel, pilhyun.kim
On 5/23/25 08:21, yohan.joung wrote:
> to allow users to dynamically tune
> the boost_zoned_gc_percent parameter
>
> Signed-off-by: yohan.joung <yohan.joung@sk.com>
> ---
> fs/f2fs/gc.h | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/fs/f2fs/gc.h b/fs/f2fs/gc.h
> index 5c1eaf55e127..f9ff68dc2bcc 100644
> --- a/fs/f2fs/gc.h
> +++ b/fs/f2fs/gc.h
> @@ -194,6 +194,8 @@ static inline bool has_enough_invalid_blocks(struct f2fs_sb_info *sbi)
> static inline bool need_to_boost_gc(struct f2fs_sb_info *sbi)
> {
> if (f2fs_sb_has_blkzoned(sbi))
> - return !has_enough_free_blocks(sbi, LIMIT_BOOST_ZONED_GC);
> + return !has_enough_free_blocks(sbi,
> + sbi->gc_thread->boost_zoned_gc_percent < 100
> + ? sbi->gc_thread->boost_zoned_gc_percent : 100);
How about checking lower/upper boundary for boost_zoned_gc_percent
during setting its value via sysfs? Also update the manual page?
Then we can use sbi->gc_thread->boost_zoned_gc_percent directly here?
Thanks,
> return has_enough_invalid_blocks(sbi);
> }
^ permalink raw reply [flat|nested] 2+ messages in thread
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2025-05-23 0:21 [PATCH] f2fs: enable tuning of boost_zoned_gc_percent via sysfs yohan.joung
2025-05-23 2:19 ` Chao Yu
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