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Commit 7d5e5109 authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: clean up the do_submit_bio flow 



This patch introduces PAGE_TYPE_OF_BIO() and cleans up do_submit_bio() with it.

Signed-off-by: default avatarJaegeuk Kim <jaegeuk.kim@samsung.com>
parent 75c3c8bc

fs/f2fs/f2fs.h

+1 −0
Original line number Diff line number Diff line
@@ -350,6 +350,7 @@ enum count_type { 
 *			with waiting the bio's completion

 * ...			Only can be used with META.

 */

#define PAGE_TYPE_OF_BIO(type)	((type) > META ? META : (type))

enum page_type {

	DATA,

	NODE,

fs/f2fs/segment.c

+21 −18
Original line number Diff line number Diff line
@@ -835,32 +835,35 @@ static void do_submit_bio(struct f2fs_sb_info *sbi, 
				enum page_type type, bool sync)

{

	int rw = sync ? WRITE_SYNC : WRITE;

	enum page_type btype = type > META ? META : type;

	enum page_type btype = PAGE_TYPE_OF_BIO(type);

	struct bio *bio = sbi->bio[btype];

	struct bio_private *p;



	if (!bio)

		return;



	sbi->bio[btype] = NULL;



	if (type >= META_FLUSH)

		rw = WRITE_FLUSH_FUA;



	if (btype == META)

		rw |= REQ_META;



	if (sbi->bio[btype]) {

		struct bio_private *p = sbi->bio[btype]->bi_private;

	p = bio->bi_private;

	p->sbi = sbi;

		sbi->bio[btype]->bi_end_io = f2fs_end_io_write;

	bio->bi_end_io = f2fs_end_io_write;



		trace_f2fs_do_submit_bio(sbi->sb, btype, sync, sbi->bio[btype]);

	trace_f2fs_do_submit_bio(sbi->sb, btype, sync, bio);



	if (type == META_FLUSH) {

		DECLARE_COMPLETION_ONSTACK(wait);

		p->is_sync = true;

		p->wait = &wait;

			submit_bio(rw, sbi->bio[btype]);

		submit_bio(rw, bio);

		wait_for_completion(&wait);

	} else {

		p->is_sync = false;

			submit_bio(rw, sbi->bio[btype]);

		}

		sbi->bio[btype] = NULL;

		submit_bio(rw, bio);

	}

}