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Revert "f2fs: put allocate_segment after refresh_sit_entry" 

This reverts commit 3436c4bdb3.

This makes a leak to register dirty segments. I reproduced the issue by
modified postmark which injects a lot of file create/delete/update and
finally triggers huge number of SSR allocations.

Cc: <stable@vger.kernel.org> # v4.10+
[Jaegeuk Kim: Change missing incorrect comment]
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2017-04-04 16:45:30 -07:00
parent 64c24ecb3c
commit c6f82fe90d
1 changed files with 5 additions and 6 deletions
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11
fs/f2fs/segment.c
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@ -1881,14 +1881,13 @@ void allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
stat_inc_block_count(sbi, curseg);
/*
* SIT information should be updated before segment allocation,
* since SSR needs latest valid block information.
*/
refresh_sit_entry(sbi, old_blkaddr, *new_blkaddr);
if (!__has_curseg_space(sbi, type))
sit_i->s_ops->allocate_segment(sbi, type, false);
/*
* SIT information should be updated after segment allocation,
* since we need to keep dirty segments precisely under SSR.
*/
refresh_sit_entry(sbi, old_blkaddr, *new_blkaddr);
mutex_unlock(&sit_i->sentry_lock);