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Message-Id: <1318629472-11110-6-git-send-email-philipp.reisner@linbit.com> Date: Fri, 14 Oct 2011 23:57:46 +0200 From: Philipp Reisner <philipp.reisner@...bit.com> To: linux-kernel@...r.kernel.org, Jens Axboe <axboe@...nel.dk> Cc: drbd-dev@...ts.linbit.com Subject: [PATCH 05/11] drbd: Fix the maximum accepted minor device number From: Andreas Gruenbacher <agruen@...bit.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@...bit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@...bit.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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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