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authorChristian Borntraeger <borntraeger@de.ibm.com>2008-05-29 11:08:26 +0200
committerRusty Russell <rusty@rustcorp.com.au>2008-07-25 12:06:05 +1000
commit066f4d82a67f621ddd547bfa4b9c94631d8457b0 (patch)
tree96bdeadd9af5b16476186df0ea8056175bc16cbb /drivers/char/Makefile
parente962fa660d391fc9b90988e6538c94c858c099f9 (diff)
virtio_blk: check for hardsector size from host
Currently virtio_blk assumes a 512 byte hard sector size. This can cause trouble / performance issues if the backing has a different block size (like a file on an ext3 file system formatted with 4k block size or a dasd). Lets add a feature flag that tells the guest to use a different hard sector size than 512 byte. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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