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qcow2: add compress threads
authorVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Wed, 20 Jun 2018 14:48:37 +0000 (17:48 +0300)
committerKevin Wolf <kwolf@redhat.com>
Thu, 5 Jul 2018 08:29:19 +0000 (10:29 +0200)
commitceb029cd6feccf9f7607833b71dd609d149421a1
treeff8c0d61b29e1267c912ae2d2a7a8abedf980f13tree
parent2714f13d69adf73638842729ccfb3bdd6d5ee98fcommit | diff
qcow2: add compress threads

Do data compression in separate threads. This significantly improve
performance for qemu-img convert with -W (allow async writes) and -c
(compressed) options.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
block/qcow2.c diff | blob | history
block/qcow2.h diff | blob | history
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