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* [PATCH] f2fs: Add a segment type check in inplace write
@ 2018-03-26  9:32 Yunlei He
  2018-03-28  1:59 ` Chao Yu
  0 siblings, 1 reply; 2+ messages in thread
From: Yunlei He @ 2018-03-26  9:32 UTC (permalink / raw)
  To: jaegeuk, yuchao0, linux-f2fs-devel; +Cc: heyunlei

This patch add a segment type check in IPU, in
case of something wrong with blkadd in dnode.

Signed-off-by: Yunlei He <heyunlei@huawei.com>
---
 fs/f2fs/segment.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index f61c77b..c55942c 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -2790,10 +2790,15 @@ void write_data_page(struct dnode_of_data *dn, struct f2fs_io_info *fio)
 int rewrite_data_page(struct f2fs_io_info *fio)
 {
 	int err;
+	struct f2fs_sb_info *sbi = fio->sbi;
 
 	fio->new_blkaddr = fio->old_blkaddr;
 	/* i/o temperature is needed for passing down write hints */
 	__get_segment_type(fio);
+
+	f2fs_bug_on(sbi, !IS_DATASEG(get_seg_entry(sbi,
+			GET_SEGNO(sbi, fio->new_blkaddr))->type));
+
 	stat_inc_inplace_blocks(fio->sbi);
 
 	err = f2fs_submit_page_bio(fio);
-- 
1.9.1


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* Re: [PATCH] f2fs: Add a segment type check in inplace write
  2018-03-26  9:32 [PATCH] f2fs: Add a segment type check in inplace write Yunlei He
@ 2018-03-28  1:59 ` Chao Yu
  0 siblings, 0 replies; 2+ messages in thread
From: Chao Yu @ 2018-03-28  1:59 UTC (permalink / raw)
  To: Yunlei He, jaegeuk, linux-f2fs-devel

On 2018/3/26 17:32, Yunlei He wrote:
> This patch add a segment type check in IPU, in
> case of something wrong with blkadd in dnode.
> 
> Signed-off-by: Yunlei He <heyunlei@huawei.com>

Reviewed-by: Chao Yu <yuchao0@huawei.com>

Thanks,

> ---
>  fs/f2fs/segment.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
> index f61c77b..c55942c 100644
> --- a/fs/f2fs/segment.c
> +++ b/fs/f2fs/segment.c
> @@ -2790,10 +2790,15 @@ void write_data_page(struct dnode_of_data *dn, struct f2fs_io_info *fio)
>  int rewrite_data_page(struct f2fs_io_info *fio)
>  {
>  	int err;
> +	struct f2fs_sb_info *sbi = fio->sbi;
>  
>  	fio->new_blkaddr = fio->old_blkaddr;
>  	/* i/o temperature is needed for passing down write hints */
>  	__get_segment_type(fio);
> +
> +	f2fs_bug_on(sbi, !IS_DATASEG(get_seg_entry(sbi,
> +			GET_SEGNO(sbi, fio->new_blkaddr))->type));
> +
>  	stat_inc_inplace_blocks(fio->sbi);
>  
>  	err = f2fs_submit_page_bio(fio);
> 


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2018-03-26  9:32 [PATCH] f2fs: Add a segment type check in inplace write Yunlei He
2018-03-28  1:59 ` Chao Yu

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