fs/erofs/super.c

175 			     struct erofs_device_info *dif, erofs_off_t *pos)
188 	if (!sbi->devs->flatdev && !dif->path) {
193 		dif->path = kmemdup_nul(dis->tag, sizeof(dis->tag), GFP_KERNEL);
194 		if (!dif->path)
199 		fscache = erofs_fscache_register_cookie(sb, dif->path, 0);
202 		dif->fscache = fscache;
204 		bdev_file = bdev_file_open_by_path(dif->path, BLK_OPEN_READ,
208 		dif->bdev_file = bdev_file;
209 		dif->dax_dev = fs_dax_get_by_bdev(file_bdev(bdev_file),
210 				&dif->dax_part_off, NULL, NULL);
213 	dif->blocks = le32_to_cpu(dis->blocks);
214 	dif->mapped_blkaddr = le32_to_cpu(dis->mapped_blkaddr);
215 	sbi->total_blocks += dif->blocks;
227 	struct erofs_device_info *dif;
252 		idr_for_each_entry(&sbi->devs->tree, dif, id) {
253 			err = erofs_init_device(&buf, sb, dif, &pos);
259 			dif = kzalloc(sizeof(*dif), GFP_KERNEL);
260 			if (!dif) {
265 			err = idr_alloc(&sbi->devs->tree, dif, 0, 0, GFP_KERNEL);
267 				kfree(dif);
272 			err = erofs_init_device(&buf, sb, dif, &pos);
455 	struct erofs_device_info *dif;
499 		dif = kzalloc(sizeof(*dif), GFP_KERNEL);
500 		if (!dif)
502 		dif->path = kstrdup(param->string, GFP_KERNEL);
503 		if (!dif->path) {
504 			kfree(dif);
508 		ret = idr_alloc(&sbi->devs->tree, dif, 0, 0, GFP_KERNEL);
511 			kfree(dif->path);
512 			kfree(dif);
727 	struct erofs_device_info *dif = ptr;
729 	fs_put_dax(dif->dax_dev, NULL);
730 	if (dif->bdev_file)
731 		fput(dif->bdev_file);
732 	erofs_fscache_unregister_cookie(dif->fscache);
733 	dif->fscache = NULL;
734 	kfree(dif->path);
735 	kfree(dif);