From 19304f959ffd413359160969ad65b9829658840b Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Tue, 26 Jan 2021 15:52:39 +0100 Subject: [PATCH] drbd: remove bio_alloc_drbd Given that drbd_md_io_bio_set is initialized during module initialization and the module fails to load if the initialization fails there is no need to fall back to plain bio_alloc. Signed-off-by: Christoph Hellwig Reviewed-by: Johannes Thumshirn Reviewed-by: Chaitanya Kulkarni Acked-by: Damien Le Moal Signed-off-by: Jens Axboe --- drivers/block/drbd/drbd_actlog.c | 2 +- drivers/block/drbd/drbd_bitmap.c | 2 +- drivers/block/drbd/drbd_int.h | 2 -- drivers/block/drbd/drbd_main.c | 13 ------------- 4 files changed, 2 insertions(+), 17 deletions(-) diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c index 7227fc7ab8ed..72cf7603d51f 100644 --- a/drivers/block/drbd/drbd_actlog.c +++ b/drivers/block/drbd/drbd_actlog.c @@ -138,7 +138,7 @@ static int _drbd_md_sync_page_io(struct drbd_device *device, op_flags |= REQ_FUA | REQ_PREFLUSH; op_flags |= REQ_SYNC; - bio = bio_alloc_drbd(GFP_NOIO); + bio = bio_alloc_bioset(GFP_NOIO, 1, &drbd_md_io_bio_set); bio_set_dev(bio, bdev->md_bdev); bio->bi_iter.bi_sector = sector; err = -EIO; diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c index df53dca5d02c..c1f816f896a8 100644 --- a/drivers/block/drbd/drbd_bitmap.c +++ b/drivers/block/drbd/drbd_bitmap.c @@ -976,7 +976,7 @@ static void drbd_bm_endio(struct bio *bio) static void bm_page_io_async(struct drbd_bm_aio_ctx *ctx, int page_nr) __must_hold(local) { - struct bio *bio = bio_alloc_drbd(GFP_NOIO); + struct bio *bio = bio_alloc_bioset(GFP_NOIO, 1, &drbd_md_io_bio_set); struct drbd_device *device = ctx->device; struct drbd_bitmap *b = device->bitmap; struct page *page; diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index b2c93a29c251..02db50d7e4c6 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -1422,8 +1422,6 @@ extern mempool_t drbd_md_io_page_pool; /* We also need to make sure we get a bio * when we need it for housekeeping purposes */ extern struct bio_set drbd_md_io_bio_set; -/* to allocate from that set */ -extern struct bio *bio_alloc_drbd(gfp_t gfp_mask); /* And a bio_set for cloning */ extern struct bio_set drbd_io_bio_set; diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 1c8c18b2a25f..788dd97e6026 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -138,19 +138,6 @@ static const struct block_device_operations drbd_ops = { .release = drbd_release, }; -struct bio *bio_alloc_drbd(gfp_t gfp_mask) -{ - struct bio *bio; - - if (!bioset_initialized(&drbd_md_io_bio_set)) - return bio_alloc(gfp_mask, 1); - - bio = bio_alloc_bioset(gfp_mask, 1, &drbd_md_io_bio_set); - if (!bio) - return NULL; - return bio; -} - #ifdef __CHECKER__ /* When checking with sparse, and this is an inline function, sparse will give tons of false positives. When this is a real functions sparse works. -- 2.11.0