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[Qemu-devel] [PATCH 05/16] nbd: treat EPIPE from NBD_DO_IT as success
From: |
Kevin Wolf |
Subject: |
[Qemu-devel] [PATCH 05/16] nbd: treat EPIPE from NBD_DO_IT as success |
Date: |
Fri, 11 Nov 2011 18:39:17 +0100 |
From: Paolo Bonzini <address@hidden>
This can be seen with "qemu-nbd -v -c", which returns 1 instead of 0
when you disconnect with "qemu-nbd -d".
Signed-off-by: Paolo Bonzini <address@hidden>
Signed-off-by: Kevin Wolf <address@hidden>
---
nbd.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/nbd.c b/nbd.c
index fb5e424..e6c931c 100644
--- a/nbd.c
+++ b/nbd.c
@@ -425,6 +425,13 @@ int nbd_client(int fd)
TRACE("Doing NBD loop");
ret = ioctl(fd, NBD_DO_IT);
+ if (ret == -1 && errno == EPIPE) {
+ /* NBD_DO_IT normally returns EPIPE when someone has disconnected
+ * the socket via NBD_DISCONNECT. We do not want to return 1 in
+ * that case.
+ */
+ ret = 0;
+ }
serrno = errno;
TRACE("NBD loop returned %d: %s", ret, strerror(serrno));
--
1.7.6.4
- [Qemu-devel] [PULL 00/16] Block patches for 1.0, Kevin Wolf, 2011/11/11
- [Qemu-devel] [PATCH 01/16] vvfat: Fix read-write mode, Kevin Wolf, 2011/11/11
- [Qemu-devel] [PATCH 02/16] block: add eject request callback, Kevin Wolf, 2011/11/11
- [Qemu-devel] [PATCH 03/16] atapi: implement eject requests, Kevin Wolf, 2011/11/11
- [Qemu-devel] [PATCH 04/16] scsi-disk: implement eject requests, Kevin Wolf, 2011/11/11
- [Qemu-devel] [PATCH 05/16] nbd: treat EPIPE from NBD_DO_IT as success,
Kevin Wolf <=
- [Qemu-devel] [PATCH 07/16] qemu-nbd: rename socket variable, Kevin Wolf, 2011/11/11
- [Qemu-devel] [PATCH 09/16] qemu-nbd: print error messages from the daemon through a pipe, Kevin Wolf, 2011/11/11
- [Qemu-devel] [PATCH 08/16] qemu-nbd: move client to a thread, Kevin Wolf, 2011/11/11
- [Qemu-devel] [PATCH 11/16] qemu-nbd: open the block device after starting the client thread, Kevin Wolf, 2011/11/11
- [Qemu-devel] [PATCH 15/16] block: Introduce bdrv_co_flush_to_os, Kevin Wolf, 2011/11/11
- [Qemu-devel] [PATCH 14/16] block: Rename bdrv_co_flush to bdrv_co_flush_to_disk, Kevin Wolf, 2011/11/11
- [Qemu-devel] [PATCH 16/16] block: Make cache=unsafe flush to the OS, Kevin Wolf, 2011/11/11
- [Qemu-devel] [PATCH 10/16] qemu-nbd: fix socket creation race, Kevin Wolf, 2011/11/11
- [Qemu-devel] [PATCH 12/16] block: Fix vpc initialization of the Dynamic Disk Header, Kevin Wolf, 2011/11/11
- [Qemu-devel] [PATCH 06/16] qemu-nbd: trap SIGTERM, Kevin Wolf, 2011/11/11