AcoSail/kernel_optimize_test
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f2fs: try to keep CP_TRIMMED_FLAG after successful umount

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If every discard were issued successfully, we can avoid further discard.

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2019-01-25 09:12:13 -08:00
parent db610a640e
commit b86232536c
1 changed files with 2 additions and 0 deletions
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fs/f2fs/segment.c
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@ -1063,6 +1063,8 @@ static void __init_discard_policy(struct f2fs_sb_info *sbi,
} else if (discard_type == DPOLICY_UMOUNT) {
dpolicy->max_requests = UINT_MAX;
dpolicy->io_aware = false;
/* we need to issue all to keep CP_TRIMMED_FLAG */
dpolicy->granularity = 1;
}
}