* [PATCH] f2fs: fix a last_victim overflow problem
@ 2017-03-22 2:54 Yunlei He
2017-03-22 6:41 ` Chao Yu
0 siblings, 1 reply; 2+ messages in thread
From: Yunlei He @ 2017-03-22 2:54 UTC (permalink / raw)
To: jaegeuk, yuchao0, linux-f2fs-devel
This patch fix a last_victim overflow problem
Signed-off-by: Yunlei He <heyunlei@huawei.com>
---
fs/f2fs/gc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 418fd98..3b5e799a 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -361,6 +361,8 @@ static int get_victim_by_default(struct f2fs_sb_info *sbi,
sbi->last_victim[p.gc_mode] = last_victim + 1;
else
sbi->last_victim[p.gc_mode] = segno + 1;
+
+ sbi->last_victim[p.gc_mode] %= MAIN_SEGS(sbi);
break;
}
}
--
2.10.1
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^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] f2fs: fix a last_victim overflow problem
2017-03-22 2:54 [PATCH] f2fs: fix a last_victim overflow problem Yunlei He
@ 2017-03-22 6:41 ` Chao Yu
0 siblings, 0 replies; 2+ messages in thread
From: Chao Yu @ 2017-03-22 6:41 UTC (permalink / raw)
To: Yunlei He, jaegeuk, linux-f2fs-devel
Hi Yunlei,
Have sent a patch for fixing this issue.
[PATCH 2/2] f2fs: fix recording invalid last_victim
Thanks,
On 2017/3/22 10:54, Yunlei He wrote:
> This patch fix a last_victim overflow problem
>
> Signed-off-by: Yunlei He <heyunlei@huawei.com>
> ---
> fs/f2fs/gc.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
> index 418fd98..3b5e799a 100644
> --- a/fs/f2fs/gc.c
> +++ b/fs/f2fs/gc.c
> @@ -361,6 +361,8 @@ static int get_victim_by_default(struct f2fs_sb_info *sbi,
> sbi->last_victim[p.gc_mode] = last_victim + 1;
> else
> sbi->last_victim[p.gc_mode] = segno + 1;
> +
> + sbi->last_victim[p.gc_mode] %= MAIN_SEGS(sbi);
> break;
> }
> }
>
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