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authorMartin K. Petersen <martin.petersen@oracle.com>2009-12-21 15:55:51 +0100
committerJens Axboe <jens.axboe@oracle.com>2009-12-21 15:55:51 +0100
commit9504e0864b58b4a304820dcf3755f1da80d5e72f (patch)
tree1e5bc5e7b2c57b343fab13709178be3aff6f477e /drivers/block/DAC960.c
parentcfq-iosched: Remove prio_change logic for workload selection (diff)
downloadlinux-dev-9504e0864b58b4a304820dcf3755f1da80d5e72f.tar.xz
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block: Fix topology stacking for data and discard alignment
The stacking code incorrectly scaled up the data offset in some cases causing misaligned devices to report alignment. Rewrite the stacking algorithm to remedy this and apply the same alignment principles to the discard handling. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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