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authorEric Blake <eblake@redhat.com>2016-05-06 10:26:44 -0600
committerKevin Wolf <kwolf@redhat.com>2016-05-12 15:22:09 +0200
commit7b3f9712e1b64bd811ac3657fc1cb05f9e3f5d87 (patch)
treeefc5290687dc7be1ea0fb6386e056f1a44474851 /blockdev.c
parent9166920a0b8481dde8d011d07cc4c733c81223eb (diff)
qemu-io: Switch to byte-based block access
qemu-io is the last user of several sector-based interfaces. This patch upgrades to the new interfaces under the hood, then deletes the resulting dead code. Note that for maximum back-compat, while the -p option is no longer required to get blk_pread(), it is still needed to allow for unaligned access; this is because qemu-iotest 23 relies on qemu-io rejecting unaligned accesses without -p. A later patch may clean up the interface to be more user-friendly, but it's better to separate what's done under the hood from what the user sees. Signed-off-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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