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f2fs: fix to update F2FS_{CP_}WB_DATA count correctly 

We should only account F2FS_{CP_}WB_DATA IOs for write path, fix it.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2017-02-27 17:10:45 +08:00 committed by Jaegeuk Kim
parent f0cdbfe6ef
commit 540faedb00
1 changed files with 2 additions and 1 deletions
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3
fs/f2fs/data.c
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@ -398,7 +398,8 @@ alloc_new:
if ((fio->type == DATA || fio->type == NODE) && if ((fio->type == DATA || fio->type == NODE) &&
fio->new_blkaddr & F2FS_IO_SIZE_MASK(sbi)) { fio->new_blkaddr & F2FS_IO_SIZE_MASK(sbi)) {
err = -EAGAIN; err = -EAGAIN;
dec_page_count(sbi, WB_DATA_TYPE(bio_page)); if (!is_read)
dec_page_count(sbi, WB_DATA_TYPE(bio_page));
goto out_fail; goto out_fail;
} }
io->bio = __bio_alloc(sbi, fio->new_blkaddr, io->bio = __bio_alloc(sbi, fio->new_blkaddr,