* [PATCH] fsck.f2fs: init quota_file before re-create quota file
@ 2018-07-12 3:36 Sheng Yong
2018-07-12 9:45 ` Chao Yu
0 siblings, 1 reply; 2+ messages in thread
From: Sheng Yong @ 2018-07-12 3:36 UTC (permalink / raw)
To: jaegeuk, yuchao0; +Cc: miaoxie, linux-f2fs-devel
`quota_handle->qh_qf->filesize' is not initialized by quota_create_file().
It contains random value, which is updated to quota file's i_size in
quota_file_close(). Since quota file is re-created, `filesize' can be
initialized as 0.
Signed-off-by: Sheng Yong <shengyong1@huawei.com>
---
fsck/quotaio.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fsck/quotaio.c b/fsck/quotaio.c
index afadf56..26f8a71 100644
--- a/fsck/quotaio.c
+++ b/fsck/quotaio.c
@@ -160,6 +160,7 @@ errcode_t quota_file_create(struct f2fs_sb_info *sbi, struct quota_handle *h,
f2fs_ino_t qf_inum = sb->qf_ino[qtype];
errcode_t err = 0;
+ memset(&h->qh_qf, 0, sizeof(h->qh_qf));
h->qh_qf.sbi = sbi;
h->qh_qf.ino = qf_inum;
h->write = quota_write_nomount;
--
2.17.1
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* Re: [PATCH] fsck.f2fs: init quota_file before re-create quota file
2018-07-12 3:36 [PATCH] fsck.f2fs: init quota_file before re-create quota file Sheng Yong
@ 2018-07-12 9:45 ` Chao Yu
0 siblings, 0 replies; 2+ messages in thread
From: Chao Yu @ 2018-07-12 9:45 UTC (permalink / raw)
To: Sheng Yong, jaegeuk; +Cc: miaoxie, linux-f2fs-devel
On 2018/7/12 11:36, Sheng Yong wrote:
> `quota_handle->qh_qf->filesize' is not initialized by quota_create_file().
> It contains random value, which is updated to quota file's i_size in
> quota_file_close(). Since quota file is re-created, `filesize' can be
> initialized as 0.
>
> Signed-off-by: Sheng Yong <shengyong1@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Thanks,
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2018-07-12 3:36 [PATCH] fsck.f2fs: init quota_file before re-create quota file Sheng Yong
2018-07-12 9:45 ` Chao Yu
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