| # SPDX-License-Identifier: GPL-2.0-only | |
| config BCACHE | |
| tristate "Block device as cache" | |
| select BLOCK_HOLDER_DEPRECATED if SYSFS | |
| select CRC64 | |
| select CLOSURES | |
| help | |
| Allows a block device to be used as cache for other devices; uses | |
| a btree for indexing and the layout is optimized for SSDs. | |
| See Documentation/admin-guide/bcache.rst for details. | |
| config BCACHE_DEBUG | |
| bool "Bcache debugging" | |
| depends on BCACHE | |
| help | |
| Don't select this option unless you're a developer | |
| Enables extra debugging tools, allows expensive runtime checks to be | |
| turned on. | |
| config BCACHE_ASYNC_REGISTRATION | |
| bool "Asynchronous device registration" | |
| depends on BCACHE | |
| help | |
| Add a sysfs file /sys/fs/bcache/register_async. Writing registering | |
| device path into this file will returns immediately and the real | |
| registration work is handled in kernel work queue in asynchronous | |
| way. |