nilfs2: remove cruft in nilfs_alloc_seg_bio

bio_alloc never returns NULL when it can sleep.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Acked-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/fs/nilfs2/segbuf.c b/fs/nilfs2/segbuf.c
index 1a8729e..1e75417 100644 (file)
--- a/fs/nilfs2/segbuf.c
+++ b/fs/nilfs2/segbuf.c
@@ -386,10 +386,6 @@ static struct bio *nilfs_alloc_seg_bio(struct the_nilfs *nilfs, sector_t start,
        struct bio *bio;
 
        bio = bio_alloc(GFP_NOIO, nr_vecs);
-       if (bio == NULL) {
-               while (!bio && (nr_vecs >>= 1))
-                       bio = bio_alloc(GFP_NOIO, nr_vecs);
-       }
        if (likely(bio)) {
                bio_set_dev(bio, nilfs->ns_bdev);
                bio->bi_iter.bi_sector =