tree e4f047daaccf6c044eba955e7f68250902f2ff01
parent fcf5def1ab0f94ff120b7141c943b517d2ece83d
author Paolo Bonzini <pbonzini@redhat.com> 1418828999 +0100
committer Stefan Hajnoczi <stefanha@redhat.com> 1421149676 +0000

block: do not allocate an iovec per read of a growable/zero_after_eof BDS

Most reads do not go past the end of the file, and they can use the
input QEMUIOVector instead of creating one.  This removes the
qemu_iovec_* functions from the profile.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>