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Commit 12bb0a8f authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: submit node page write bios when really required 



If many threads calls fsync with data writes, we don't need to flush every
bios having node page writes.
The f2fs_wait_on_page_writeback will flush its bios when the page is really
needed.

Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent fff4c55d

fs/f2fs/node.c

+1 −11
Original line number Diff line number Diff line
@@ -1236,7 +1236,7 @@ int sync_node_pages(struct f2fs_sb_info *sbi, nid_t ino, 
	pgoff_t index, end;

	struct pagevec pvec;

	int step = ino ? 2 : 0;

	int nwritten = 0, wrote = 0;

	int nwritten = 0;



	pagevec_init(&pvec, 0);
@@ -1326,8 +1326,6 @@ int sync_node_pages(struct f2fs_sb_info *sbi, nid_t ino, 


			if (NODE_MAPPING(sbi)->a_ops->writepage(page, wbc))

				unlock_page(page);

			else

				wrote++;



			if (--wbc->nr_to_write == 0)

				break;
@@ -1345,14 +1343,6 @@ int sync_node_pages(struct f2fs_sb_info *sbi, nid_t ino, 
		step++;

		goto next_step;

	}



	if (wrote) {

		if (ino)

			f2fs_submit_merged_bio_cond(sbi, NULL, NULL,

							ino, NODE, WRITE);

		else

			f2fs_submit_merged_bio(sbi, NODE, WRITE);

	}

	return nwritten;

}