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[Qemu-block] [PATCH for-2.7 v2 11/17] qemu-nbd: Add "--no-lock/-L" optio
From: |
Fam Zheng |
Subject: |
[Qemu-block] [PATCH for-2.7 v2 11/17] qemu-nbd: Add "--no-lock/-L" option |
Date: |
Fri, 15 Apr 2016 11:28:01 +0800 |
Signed-off-by: Fam Zheng <address@hidden>
---
qemu-nbd.c | 6 +++++-
qemu-nbd.texi | 2 ++
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/qemu-nbd.c b/qemu-nbd.c
index b5751f8..37da7a9 100644
--- a/qemu-nbd.c
+++ b/qemu-nbd.c
@@ -464,7 +464,7 @@ int main(int argc, char **argv)
off_t fd_size;
QemuOpts *sn_opts = NULL;
const char *sn_id_or_name = NULL;
- const char *sopt = "hVb:o:p:rsnP:c:dvk:e:f:tl:x:";
+ const char *sopt = "hVb:o:p:rsnLP:c:dvk:e:f:tl:x:";
struct option lopt[] = {
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, 'V' },
@@ -473,6 +473,7 @@ int main(int argc, char **argv)
{ "socket", required_argument, NULL, 'k' },
{ "offset", required_argument, NULL, 'o' },
{ "read-only", no_argument, NULL, 'r' },
+ { "no-lock", no_argument, NULL, 'L' },
{ "partition", required_argument, NULL, 'P' },
{ "connect", required_argument, NULL, 'c' },
{ "disconnect", no_argument, NULL, 'd' },
@@ -628,6 +629,9 @@ int main(int argc, char **argv)
nbdflags |= NBD_FLAG_READ_ONLY;
flags &= ~BDRV_O_RDWR;
break;
+ case 'L':
+ flags |= BDRV_O_NO_LOCK;
+ break;
case 'P':
partition = strtol(optarg, &end, 0);
if (*end) {
diff --git a/qemu-nbd.texi b/qemu-nbd.texi
index 9f23343..6b7b1d1 100644
--- a/qemu-nbd.texi
+++ b/qemu-nbd.texi
@@ -43,6 +43,8 @@ Force the use of the block driver for format @var{fmt}
instead of
auto-detecting
@item -r, --read-only
Export the disk as read-only
address@hidden -L, --no-lock
+Disable image locking
@item -P, address@hidden
Only expose partition @var{num}
@item -s, --snapshot
--
2.8.0
- [Qemu-block] [PATCH for-2.7 v2 06/17] gluster: Implement .bdrv_lockf, (continued)
- [Qemu-block] [PATCH for-2.7 v2 06/17] gluster: Implement .bdrv_lockf, Fam Zheng, 2016/04/14
- [Qemu-block] [PATCH for-2.7 v2 08/17] qemu-io: Add "-L" option for BDRV_O_NO_LOCK, Fam Zheng, 2016/04/14
- [Qemu-block] [PATCH for-2.7 v2 09/17] qemu-img: Add "-L" option to sub commands, Fam Zheng, 2016/04/14
- [Qemu-block] [PATCH for-2.7 v2 10/17] qemu-img: Update documentation of "-L" option, Fam Zheng, 2016/04/14
- [Qemu-block] [PATCH for-2.7 v2 11/17] qemu-nbd: Add "--no-lock/-L" option,
Fam Zheng <=
- [Qemu-block] [PATCH for-2.7 v2 12/17] qemu-iotests: 140: Disable image lock for qemu-io access, Fam Zheng, 2016/04/14
- [Qemu-block] [PATCH for-2.7 v2 13/17] qemu-iotests: 046: Move version detection out from verify_io, Fam Zheng, 2016/04/14
- [Qemu-block] [PATCH for-2.7 v2 15/17] qemu-iotests: Disable image lock when checking test image, Fam Zheng, 2016/04/14
- [Qemu-block] [PATCH for-2.7 v2 14/17] qemu-iotests: Wait for QEMU processes before checking image in 091, Fam Zheng, 2016/04/14
- [Qemu-block] [PATCH for-2.7 v2 16/17] block: Turn on image locking by default, Fam Zheng, 2016/04/14
- [Qemu-block] [PATCH for-2.7 v2 17/17] qemu-iotests: Add test case 152 for image locking, Fam Zheng, 2016/04/14
- Re: [Qemu-block] [PATCH for-2.7 v2 00/17] block: Lock images when opening, Denis V. Lunev, 2016/04/16
- Re: [Qemu-block] [PATCH for-2.7 v2 00/17] block: Lock images when opening, Daniel P. Berrange, 2016/04/18