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[Qemu-devel] [PATCH] ISCSI: Only set up the read-event if we are actuall
From: |
Ronnie Sahlberg |
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 |
Signed-off-by: Ronnie Sahlberg <address@hidden>
---
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