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[Qemu-devel] [PATCH v8 4/6] aio: Fix qemu_aio_wait() to maintain correct
From: |
Bharata B Rao |
Subject: |
[Qemu-devel] [PATCH v8 4/6] aio: Fix qemu_aio_wait() to maintain correct walking_handlers count |
Date: |
Mon, 24 Sep 2012 14:24:37 +0530 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
aio: Fix qemu_aio_wait() to maintain correct walking_handlers count
From: Paolo Bonzini <address@hidden>
Fix qemu_aio_wait() to ensure that registered aio handlers don't get
deleted when they are still active. This is ensured by maintaning the
right count of walking_handlers.
Signed-off-by: Paolo Bonzini <address@hidden>
Signed-off-by: Bharata B Rao <address@hidden>
---
aio.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/aio.c b/aio.c
index 0a9eb10..99b8b72 100644
--- a/aio.c
+++ b/aio.c
@@ -119,7 +119,7 @@ bool qemu_aio_wait(void)
return true;
}
- walking_handlers = 1;
+ walking_handlers++;
FD_ZERO(&rdfds);
FD_ZERO(&wrfds);
@@ -147,7 +147,7 @@ bool qemu_aio_wait(void)
}
}
- walking_handlers = 0;
+ walking_handlers--;
/* No AIO operations? Get us out of here */
if (!busy) {
@@ -159,7 +159,7 @@ bool qemu_aio_wait(void)
/* if we have any readable fds, dispatch event */
if (ret > 0) {
- walking_handlers = 1;
+ walking_handlers++;
/* we have to walk very carefully in case
* qemu_aio_set_fd_handler is called while we're walking */
@@ -187,7 +187,7 @@ bool qemu_aio_wait(void)
}
}
- walking_handlers = 0;
+ walking_handlers--;
}
return true;
- [Qemu-devel] [PATCH v8 0/6] GlusterFS support in QEMU - v8, Bharata B Rao, 2012/09/24
- [Qemu-devel] [PATCH v8 1/6] sockets: publish dummy_opts, Bharata B Rao, 2012/09/24
- [Qemu-devel] [PATCH v8 2/6] sockets: Make port specification optional in inet_parse, Bharata B Rao, 2012/09/24
- [Qemu-devel] [PATCH v8 3/6] sockets: Make inet_parse() non static., Bharata B Rao, 2012/09/24
- [Qemu-devel] [PATCH v8 4/6] aio: Fix qemu_aio_wait() to maintain correct walking_handlers count,
Bharata B Rao <=
- [Qemu-devel] [PATCH v8 5/6] configure: Add a config option for GlusterFS as block backend, Bharata B Rao, 2012/09/24
- [Qemu-devel] [PATCH v8 6/6] block: Support GlusterFS as a QEMU block backend., Bharata B Rao, 2012/09/24