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f2fs: don't change wbc->sync_mode
author
Chao Yu
<yuchao0@huawei.com>
Mon, 4 Jun 2018 15:20:35 +0000
(23:20 +0800)
committer
Jaegeuk Kim
<jaegeuk@kernel.org>
Mon, 9 Jul 2018 00:40:58 +0000
(17:40 -0700)
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>
fs/f2fs/node.c
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diff --git
a/fs/f2fs/node.c
b/fs/f2fs/node.c
index 6148175da92fdbe9c4e3763ede64743aa61f6031..f18b4ce95c21212c8584a93e427099fe2cca33df 100644
(file)
--- a/
fs/f2fs/node.c
+++ b/
fs/f2fs/node.c
@@
-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);