Messages in this thread Patch in this message | | | From | Philipp Reisner <> | Subject | [PATCH 05/11] drbd: Fix the maximum accepted minor device number | Date | Fri, 14 Oct 2011 23:57:46 +0200 |
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From: Andreas Gruenbacher <agruen@linbit.com>
The maximum minor device number allowed by the kernel is (1<<20 - 1). Reject device numbers higher than that to earlier catch possible errors.
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com> --- include/linux/drbd_limits.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/include/linux/drbd_limits.h b/include/linux/drbd_limits.h index 9b76984..d3ec9cc 100644 --- a/include/linux/drbd_limits.h +++ b/include/linux/drbd_limits.h @@ -137,7 +137,7 @@ #define DRBD_AL_EXTENTS_SCALE '1' #define DRBD_MINOR_NUMBER_MIN -1 -#define DRBD_MINOR_NUMBER_MAX (1<<30) +#define DRBD_MINOR_NUMBER_MAX ((1 << 20) - 1) #define DRBD_MINOR_NUMBER_DEF -1 #define DRBD_MINOR_NUMBER_SCALE '1' -- 1.7.4.1
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