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From 9cc84ed4e52807912598f3cdef3ad08e9166cdea Mon Sep 17 00:00:00 2001
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From: Juan Quintela <quintela@redhat.com>
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Date: Wed, 18 May 2022 02:52:24 -0300
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Subject: [PATCH 12/34] multifd: Make zlib use iov's
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Leonardo Brás <leobras@redhat.com>
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RH-MergeRequest: 185: MSG_ZEROCOPY + Multifd @ rhel8.6
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RH-Commit: [12/34] 7cca02fb1706db0b1336d43ef4b1b6a16acf21a1
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RH-Bugzilla: 2117252
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RH-Acked-by: quintela1 <quintela@redhat.com>
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RH-Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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RH-Acked-by: Peter Xu <peterx@redhat.com>
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Signed-off-by: Juan Quintela <quintela@redhat.com>
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Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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(cherry picked from commit 48a4a44c1cde382c6b8e7792d01fe7d9b0a59c69)
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Signed-off-by: Leonardo Bras <leobras@redhat.com>
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---
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migration/multifd-zlib.c | 8 ++++----
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1 file changed, 4 insertions(+), 4 deletions(-)
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diff --git a/migration/multifd-zlib.c b/migration/multifd-zlib.c
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index a987e4a26c..96475e096e 100644
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--- a/migration/multifd-zlib.c
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+++ b/migration/multifd-zlib.c
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@@ -145,6 +145,9 @@ static int zlib_send_prepare(MultiFDSendParams *p, Error **errp)
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}
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out_size += available - zs->avail_out;
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}
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+ p->iov[p->iovs_num].iov_base = z->zbuff;
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+ p->iov[p->iovs_num].iov_len = out_size;
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+ p->iovs_num++;
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p->next_packet_size = out_size;
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p->flags |= MULTIFD_FLAG_ZLIB;
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@@ -164,10 +167,7 @@ static int zlib_send_prepare(MultiFDSendParams *p, Error **errp)
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*/
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static int zlib_send_write(MultiFDSendParams *p, uint32_t used, Error **errp)
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{
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- struct zlib_data *z = p->data;
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-
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- return qio_channel_write_all(p->c, (void *)z->zbuff, p->next_packet_size,
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- errp);
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+ return qio_channel_writev_all(p->c, p->iov, p->iovs_num, errp);
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}
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/**
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--
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2.35.3
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