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sock/posix: fix the zero copy enabling in initiator.

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When zero copy is enabled in initiator, there could
be the case that a socket connection does not belong
to a polling group, i.e, the application does not use
socket polling  group. Then we should actively call
_sock_check_zcopy in posix_sock_flush function when zero
copy policy is enabled.

Signed-off-by: Ziye Yang <ziye.yang@intel.com>
Change-Id: Idceaa7557eb265daa878db40c922494c3de35ea8
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/5423
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Community-CI: Mellanox Build Bot
This commit is contained in:
Ziye Yang 2020-12-03 23:59:44 +08:00 committed by Tomasz Zawadzki
parent b1687cd456
commit 48b2ac7a13
1 changed files with 10 additions and 2 deletions
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12
module/sock/posix/posix.c
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@ -842,9 +842,17 @@ _sock_flush(struct spdk_sock *sock)
}
static int
posix_sock_flush(struct spdk_sock *_sock)
posix_sock_flush(struct spdk_sock *sock)
{
return _sock_flush(_sock);
#ifdef SPDK_ZEROCOPY
struct spdk_posix_sock *psock = __posix_sock(sock);
if (psock->zcopy && !TAILQ_EMPTY(&sock->pending_reqs)) {
_sock_check_zcopy(sock);
}
#endif
return _sock_flush(sock);
}
static ssize_t