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:
Tejun Heo 2008-10-13 10:46:01 +02:00 коммит произвёл Jens Axboe
Родитель 54514a70ad
Коммит 0e11e342ba
1 изменённых файлов: 5 добавлений и 0 удалений

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@ -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