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Commit c212991a authored by Namjae Jeon's avatar Namjae Jeon Committed by Jaegeuk Kim
Browse files

f2fs: rewrite f2fs_bio_alloc to make it simpler 



Since, GFP_NOFS(__GFP_WAIT) is used for allocation requests of bio in f2fs.
So, there is no chance of returning NULL from the BIO allocation.

Making the bio allocation routine for f2fs simpler.

Signed-off-by: default avatarNamjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: default avatarAmit Sahrawat <a.sahrawat@samsung.com>
parent d08ab08d

fs/f2fs/segment.c

+7 −17
Original line number Diff line number Diff line
@@ -647,15 +647,10 @@ struct bio *f2fs_bio_alloc(struct block_device *bdev, sector_t first_sector, 
					int nr_vecs, gfp_t gfp_flags)

{

	struct bio *bio;

repeat:



	/* allocate new bio */

	bio = bio_alloc(gfp_flags, nr_vecs);



	if (bio == NULL && (current->flags & PF_MEMALLOC)) {

		while (!bio && (nr_vecs /= 2))

			bio = bio_alloc(gfp_flags, nr_vecs);

	}

	if (bio) {

	bio->bi_bdev = bdev;

	bio->bi_sector = first_sector;

retry:
@@ -665,11 +660,6 @@ retry: 
		cond_resched();

		goto retry;

	}

	}

	if (bio == NULL) {

		cond_resched();

		goto repeat;

	}

	return bio;

}