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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 /usr
parent65b32a573eefa1cdd3cbe5ea59326308e6c3b9ad (diff)
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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