From 9dfa1baff76d08843aaf5e3c78f6da6950957702 Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim Date: Wed, 13 Jul 2016 19:33:19 -0700 Subject: f2fs: use blk_plug in all the possible paths This patch reverts 19a5f5e2ef37 (f2fs: drop any block plugging), and adds blk_plug in write paths additionally. The main reason is that blk_start_plug can be used to wake up from low-power mode before submitting further bios. Signed-off-by: Jaegeuk Kim --- fs/f2fs/node.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'fs/f2fs/node.c') diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index d78f61d647c0..79a93c6e632f 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1618,6 +1618,7 @@ static int f2fs_write_node_pages(struct address_space *mapping, struct writeback_control *wbc) { struct f2fs_sb_info *sbi = F2FS_M_SB(mapping); + struct blk_plug plug; long diff; /* balancing f2fs's metadata in background */ @@ -1631,7 +1632,9 @@ static int f2fs_write_node_pages(struct address_space *mapping, diff = nr_pages_to_write(sbi, NODE, wbc); wbc->sync_mode = WB_SYNC_NONE; + blk_start_plug(&plug); sync_node_pages(sbi, wbc); + blk_finish_plug(&plug); wbc->nr_to_write = max((long)0, wbc->nr_to_write - diff); return 0; -- cgit v1.2.3