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(parent: 2649f08) | patch
drbd: fix potential wrap of 32bit oos:%lu display in /proc/drbd
authorLars Ellenberg <lars.ellenberg@linbit.com>
Tue, 9 Nov 2010 13:12:10 +0000 (14:12 +0100)
committerPhilipp Reisner <philipp.reisner@linbit.com>
Thu, 10 Mar 2011 10:19:04 +0000 (11:19 +0100)
commit18edc0b9d7dac2f74117a0bdb98f2e705eb74d82
tree046016ff1349564bbd77d94212e4689bd0af5390tree | snapshot
parent2649f0809f55e4df98c333a2b85c6fc8fee04804commit | diff
drbd: fix potential wrap of 32bit oos:%lu display in /proc/drbd

When converting bits (4k resolution, still) to kB, we shift left.  If it
was a large number of bits on a 32bit box (>= 4 TiB storage), we may
wrap the 32bit unsigned long base type, resulting in incorrect display.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
drivers/block/drbd/drbd_proc.c diff | blob | history
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