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authorTejun Heo <tj@kernel.org>2008-10-13 10:46:01 +0200
committerJens Axboe <jens.axboe@oracle.com>2008-10-17 08:46:56 +0200
commit0e11e342bac31f51ea055b147d20f77b59b9dd2c (patch)
tree922439ce3dbc495bc2e013fa775ceefad60d5a1f /lib
parent54514a70adefe356afe854e2d3912d46668068e6 (diff)
downloadop-kernel-dev-0e11e342bac31f51ea055b147d20f77b59b9dd2c.zip
op-kernel-dev-0e11e342bac31f51ea055b147d20f77b59b9dd2c.tar.gz
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>
Diffstat (limited to 'lib')
-rw-r--r--lib/Kconfig.debug5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 31d784d..b0f239e 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -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
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