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>
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 5330588..7571eb2 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1929,7 +1929,7 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
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;
}