block: add BIG FAT WARNING to CONFIG_DEBUG_BLOCK_EXT_DEVT
CONFIG_DEBUG_BLOCK_EXT_DEVT can break booting even on some modern distros. Add BIG FAT WARNING to keep people at a safe distance. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
parent
54514a70ad
commit
0e11e342ba
1 changed files with 5 additions and 0 deletions
|
@ -652,6 +652,11 @@ config DEBUG_BLOCK_EXT_DEVT
|
|||
depends on BLOCK
|
||||
default n
|
||||
help
|
||||
BIG FAT WARNING: ENABLING THIS OPTION MIGHT BREAK BOOTING ON
|
||||
SOME DISTRIBUTIONS. DO NOT ENABLE THIS UNLESS YOU KNOW WHAT
|
||||
YOU ARE DOING. Distros, please enable this and fix whatever
|
||||
is broken.
|
||||
|
||||
Conventionally, block device numbers are allocated from
|
||||
predetermined contiguous area. However, extended block area
|
||||
may introduce non-contiguous block device numbers. This
|
||||
|
|
Loading…
Reference in a new issue