From: Ronnie Sahlberg <ronniesahlberg@gmail.com>
To: qemu-devel@nongnu.org, kwolf@redhat.com
Cc: Ronnie Sahlberg <ronniesahlberg@gmail.com>
Subject: [Qemu-devel] [PATCH] ISCSI: Only set up the read-event if we are actually waiting for data to come back in from the target.
Date: Fri, 11 May 2012 20:22:02 +1000 [thread overview]
Message-ID: <1336731722-17743-2-git-send-email-ronniesahlberg@gmail.com> (raw)
In-Reply-To: <1336731722-17743-1-git-send-email-ronniesahlberg@gmail.com>
Signed-off-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>
---
block/iscsi.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/block/iscsi.c b/block/iscsi.c
index d37c4ee..989b5e9 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -105,7 +105,9 @@ iscsi_set_events(IscsiLun *iscsilun)
{
struct iscsi_context *iscsi = iscsilun->iscsi;
- qemu_aio_set_fd_handler(iscsi_get_fd(iscsi), iscsi_process_read,
+ qemu_aio_set_fd_handler(iscsi_get_fd(iscsi),
+ (iscsi_queue_length(iscsi) > 0)
+ ? iscsi_process_read : NULL,
(iscsi_which_events(iscsi) & POLLOUT)
? iscsi_process_write : NULL,
iscsi_process_flush, iscsilun);
--
1.7.3.1
next prev parent reply other threads:[~2012-05-11 10:31 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-11 10:22 [Qemu-devel] [PATCH 0/1] ISCSI: Only set read-event if we have i/o in flight Ronnie Sahlberg
2012-05-11 10:22 ` Ronnie Sahlberg [this message]
2012-05-11 11:27 ` [Qemu-devel] [PATCH] ISCSI: Only set up the read-event if we are actually waiting for data to come back in from the target Paolo Bonzini
2012-05-11 12:39 ` ronnie sahlberg
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