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(parent: d358724) | patch
libata: Report disk alignment and physical block size
authorMartin K. Petersen <martin.petersen@oracle.com>
Fri, 15 May 2009 04:40:34 +0000 (00:40 -0400)
committerJeff Garzik <jgarzik@redhat.com>
Fri, 15 May 2009 18:14:22 +0000 (14:14 -0400)
commit61d79a8eb362f826a002d3d14c4f9a070a818542
treef67dce998de1d28da9a0aea898208d512728ef1etree | snapshot (tar.gz zip)
parentd358724385d9bb3e360f5b95c17ec4f77c913460commit | diff
libata: Report disk alignment and physical block size

For disks with 4KB sectors, report the correct block size and alignment
when filling out the READ CAPACITY(16) response.

This patch is based upon code from Matthew Wilcox' 4KB ATA tree.  I
fixed the bug I reported a while back caused by ATA and SCSI using
different approaches to describing the alignment.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
drivers/ata/libata-scsi.c diff | blob | blame | history