136 		err = blkdev_issue_discard(si->bdev, start_block,  in discard_swap()
147 		err = blkdev_issue_discard(si->bdev, start_block,  in discard_swap()
186 			if (blkdev_issue_discard(si->bdev, start_block,  in discard_swap_cluster()
818 			struct gendisk *disk = p->bdev->bd_disk;  in swap_entry_free()
820 				disk->fops->swap_slot_free_notify(p->bdev,  in swap_entry_free()
1032 	struct block_device *bdev = NULL;  in swap_type_of()  local
1036 		bdev = bdget(device);  in swap_type_of()
1045 		if (!bdev) {  in swap_type_of()
1047 				*bdev_p = bdgrab(sis->bdev);  in swap_type_of()
1052 		if (bdev == sis->bdev) {  in swap_type_of()
1057 					*bdev_p = bdgrab(sis->bdev);  in swap_type_of()
1060 				bdput(bdev);  in swap_type_of()
1066 	if (bdev)  in swap_type_of()
1067 		bdput(bdev);  in swap_type_of()
1078 	struct block_device *bdev;  in swapdev_block()  local
1084 	return map_swap_entry(swp_entry(type, offset), &bdev);  in swapdev_block()
1621 static sector_t map_swap_entry(swp_entry_t entry, struct block_device **bdev)  in map_swap_entry()  argument
1629 	*bdev = sis->bdev;  in map_swap_entry()
1652 sector_t map_swap_page(struct page *page, struct block_device **bdev)  in map_swap_page()  argument
1656 	return map_swap_entry(entry, bdev);  in map_swap_page()
1969 		struct block_device *bdev = I_BDEV(inode);  in SYSCALL_DEFINE1()  local
1970 		set_blocksize(bdev, old_block_size);  in SYSCALL_DEFINE1()
1971 		blkdev_put(bdev, FMODE_READ | FMODE_WRITE | FMODE_EXCL);  in SYSCALL_DEFINE1()
2186 		p->bdev = bdgrab(I_BDEV(inode));  in claim_swapfile()
2187 		error = blkdev_get(p->bdev,  in claim_swapfile()
2190 			p->bdev = NULL;  in claim_swapfile()
2193 		p->old_block_size = block_size(p->bdev);  in claim_swapfile()
2194 		error = set_blocksize(p->bdev, PAGE_SIZE);  in claim_swapfile()
2199 		p->bdev = inode->i_sb->s_bdev;  in claim_swapfile()
2378 	struct request_queue *q = bdev_get_queue(si->bdev);  in swap_discardable()
2464 	if (p->bdev && blk_queue_nonrot(bdev_get_queue(p->bdev))) {  in SYSCALL_DEFINE2()
2506 	if (p->bdev &&(swap_flags & SWAP_FLAG_DISCARD) && swap_discardable(p)) {  in SYSCALL_DEFINE2()
2564 	if (inode && S_ISBLK(inode->i_mode) && p->bdev) {  in SYSCALL_DEFINE2()
2565 		set_blocksize(p->bdev, p->old_block_size);  in SYSCALL_DEFINE2()
2566 		blkdev_put(p->bdev, FMODE_READ | FMODE_WRITE | FMODE_EXCL);  in SYSCALL_DEFINE2()