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Diffstat (limited to 'cmd/Kconfig')
| -rw-r--r-- | cmd/Kconfig | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/cmd/Kconfig b/cmd/Kconfig index 8c9b430f99f..bab35fc6678 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -1980,6 +1980,25 @@ config CMD_BLOCK_CACHE during development, but also allows the cache to be disabled when it might hurt performance (e.g. when using the ums command). +config CMD_BLKMAP + bool "blkmap - Composable virtual block devices" + depends on BLKMAP + default y if BLKMAP + help + Create virtual block devices that are backed by various sources, + e.g. RAM, or parts of an existing block device. Though much more + rudimentary, it borrows a lot of ideas from Linux's device mapper + subsystem. + + Example use-cases: + - Treat a region of RAM as a block device, i.e. a RAM disk. This let's + you extract files from filesystem images stored in RAM (perhaps as a + result of a TFTP transfer). + - Create a virtual partition on an existing device. This let's you + access filesystems that aren't stored at an exact partition + boundary. A common example is a filesystem image embedded in an FIT + image. + config CMD_BUTTON bool "button" depends on BUTTON |