1249 	struct backing_dev_info *bdi;  in btrfs_congested_fn()  local
1258 		bdi = blk_get_backing_dev_info(device->bdev);  in btrfs_congested_fn()
1259 		if (bdi && bdi_congested(bdi, bdi_bits)) {  in btrfs_congested_fn()
1271 static void __unplug_io_fn(struct backing_dev_info *bdi, struct page *page)  in __unplug_io_fn()  argument
1276 	info = (struct btrfs_fs_info *)bdi->unplug_io_data;  in __unplug_io_fn()
1281 		bdi = blk_get_backing_dev_info(device->bdev);  in __unplug_io_fn()
1282 		if (bdi->unplug_io_fn)  in __unplug_io_fn()
1283 			bdi->unplug_io_fn(bdi, page);  in __unplug_io_fn()
1287 static void btrfs_unplug_io_fn(struct backing_dev_info *bdi, struct page *page)  in btrfs_unplug_io_fn()  argument
1297 		__unplug_io_fn(bdi, page);  in btrfs_unplug_io_fn()
1317 		__unplug_io_fn(bdi, page);  in btrfs_unplug_io_fn()
1328 		__unplug_io_fn(bdi, page);  in btrfs_unplug_io_fn()
1334 		__unplug_io_fn(bdi, page);  in btrfs_unplug_io_fn()
1343 static int setup_bdi(struct btrfs_fs_info *info, struct backing_dev_info *bdi)  in setup_bdi()  argument
1345 	bdi_init(bdi);  in setup_bdi()
1346 	bdi->ra_pages	= default_backing_dev_info.ra_pages;  in setup_bdi()
1347 	bdi->state		= 0;  in setup_bdi()
1348 	bdi->capabilities	= default_backing_dev_info.capabilities;  in setup_bdi()
1349 	bdi->unplug_io_fn	= btrfs_unplug_io_fn;  in setup_bdi()
1350 	bdi->unplug_io_data	= info;  in setup_bdi()
1351 	bdi->congested_fn	= btrfs_congested_fn;  in setup_bdi()
1352 	bdi->congested_data	= info;  in setup_bdi()
1578 	setup_bdi(fs_info, &fs_info->bdi);  in open_ctree()
1599 	fs_info->btree_inode->i_mapping->backing_dev_info = &fs_info->bdi;  in open_ctree()
1747 	fs_info->bdi.ra_pages *= btrfs_super_num_devices(disk_super);  in open_ctree()
1748 	fs_info->bdi.ra_pages = max(fs_info->bdi.ra_pages,  in open_ctree()
1935 	bdi_destroy(&fs_info->bdi);  in open_ctree()
2325 	bdi_destroy(&fs_info->bdi);  in close_ctree()