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Commit 0e11e342 authored by Tejun Heo's avatar Tejun Heo Committed by Jens Axboe
Browse files

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: default avatarTejun Heo <tj@kernel.org>
Signed-off-by: default avatarJens Axboe <jens.axboe@oracle.com>
parent 54514a70

lib/Kconfig.debug

+5 −0
Original line number Diff line number Diff line
@@ -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