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f2fs: don't change wbc->sync_mode 

We should never falsify wbc->sync_mode passed from mm, otherwise
mm can trigger writeback with wrong IO priority.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
hifive-unleashed-5.1
Chao Yu 2018-06-04 23:20:35 +08:00 committed by Jaegeuk Kim
parent a1f72ac2c0
commit aae764ece6
1 changed files with 0 additions and 1 deletions
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fs/f2fs/node.c
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@ -1741,7 +1741,6 @@ static int f2fs_write_node_pages(struct address_space *mapping,
trace_f2fs_writepages(mapping->host, wbc, NODE);
diff = nr_pages_to_write(sbi, NODE, wbc);
wbc->sync_mode = WB_SYNC_NONE;
blk_start_plug(&plug);
f2fs_sync_node_pages(sbi, wbc, true, FS_NODE_IO);
blk_finish_plug(&plug);