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Message-ID: <cf91de4a-91e3-47c5-a51e-217562f2cca9@kernel.org>
Date: Sat, 24 Feb 2024 10:44:09 +0800
From: Chao Yu <chao@...nel.org>
To: Jaegeuk Kim <jaegeuk@...nel.org>
Cc: linux-f2fs-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] f2fs: fix to use correct segment type in
f2fs_allocate_data_block()
On 2024/2/24 4:52, Jaegeuk Kim wrote:
> On 02/23, Chao Yu wrote:
>> @type in f2fs_allocate_data_block() indicates log header's type, it
>> can be CURSEG_COLD_DATA_PINNED or CURSEG_ALL_DATA_ATGC, rather than
>> type of data/node, however IS_DATASEG()/IS_NODESEG() only accept later
>> one, fix it.
>>
>> Fixes: 093749e296e2 ("f2fs: support age threshold based garbage collection")
>> Signed-off-by: Chao Yu <chao@...nel.org>
>> ---
>> fs/f2fs/segment.c | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
>> index d0209ea77dd2..76422f50e6cc 100644
>> --- a/fs/f2fs/segment.c
>> +++ b/fs/f2fs/segment.c
>> @@ -3505,12 +3505,12 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
>> locate_dirty_segment(sbi, GET_SEGNO(sbi, old_blkaddr));
>> locate_dirty_segment(sbi, GET_SEGNO(sbi, *new_blkaddr));
>>
>> - if (IS_DATASEG(type))
>> + if (IS_DATASEG(se->type))
>
> We have se only when type is CURSEG_ALL_DATA_ATGC. We may need to change
Oops, correct.
> IS_DATASEG()?
Sure, I guess one other way is to use curseg->seg_type, let me know if
you prefer to change IS_DATASEG().
Thanks,
>
>> atomic64_inc(&sbi->allocated_data_blocks);
>>
>> up_write(&sit_i->sentry_lock);
>>
>> - if (page && IS_NODESEG(type)) {
>> + if (page && IS_NODESEG(se->type)) {
>> fill_node_footer_blkaddr(page, NEXT_FREE_BLKADDR(sbi, curseg));
>>
>> f2fs_inode_chksum_set(sbi, page);
>> --
>> 2.40.1
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