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[v2,0/2] backup: Use copy offloading

Message ID 20180605080710.27035-1-famz@redhat.com
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Series backup: Use copy offloading | expand

Message

Fam Zheng June 5, 2018, 8:07 a.m. UTC 
Based-on: <20180601092648.24614-1-famz@redhat.com>
([PATCH v9 00/10] qemu-img convert with copy offloading)

This enhances the backup job to make use of the copy offloading API. It
eliminates the necessity to use the bounce buffer as well as speeding up the
copy operation when the backend supports it.

v2: Use helper functions. [Stefan]

Fam Zheng (2):
  block: Honour BDRV_REQ_NO_SERIALISING in copy range
  backup: Use copy offloading

 block/backup.c        | 151 ++++++++++++++++++++++++++++++------------
 block/io.c            |   6 +-
 block/trace-events    |   1 +
 include/block/block.h |   5 +-
 4 files changed, 118 insertions(+), 45 deletions(-)