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f2fs: fix to enlarge size of write_io_dummy mempool 

It needs to double cache size of write_io_dummy mempool, otherwise we may
run out of cache in scenraio of Data/Node IOs were issued concurrently.

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 18:43:13 +08:00 committed by Jaegeuk Kim
parent b6895e8f99
commit a3ebfe4fd8
1 changed files with 1 additions and 1 deletions
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fs/f2fs/super.c
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@ -1929,7 +1929,7 @@ try_onemore:
if (F2FS_IO_SIZE(sbi) > 1) {
sbi->write_io_dummy =
mempool_create_page_pool(F2FS_IO_SIZE(sbi) - 1, 0);
mempool_create_page_pool(2 * (F2FS_IO_SIZE(sbi) - 1), 0);
if (!sbi->write_io_dummy)
goto free_options;
}