Commit-ID: b67f4a10be7979f1170eafb4bc437e803210f6a3
Gitweb: http://git.kernel.org/tip/b67f4a10be7979f1170eafb4bc437e803210f6a3
Author: Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
AuthorDate: Fri, 16 Dec 2011 17:12:03 +0800
Committer: Pekka Enberg <penberg@xxxxxxxxxx>
CommitDate: Sat, 17 Dec 2011 09:36:03 +0200
kvm-tools: only one rootfs directory atmost
It makes no sense when we use several rootfs directories. Only the last
one works.
Acked-by: Sasha Levin <levinsasha928@xxxxxxxxx>
Signed-off-by: Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
Signed-off-by: Pekka Enberg <penberg@xxxxxxxxxx>
---
tools/kvm/builtin-run.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/tools/kvm/builtin-run.c b/tools/kvm/builtin-run.c
index d1b6d42..4d3f5ec 100644
--- a/tools/kvm/builtin-run.c
+++ b/tools/kvm/builtin-run.c
@@ -132,6 +132,9 @@ static int img_name_parser(const struct option *opt, const char *arg, int unset)
S_ISDIR(st.st_mode)) {
char tmp[PATH_MAX];
+ if (using_rootfs)
+ die("Please use only one rootfs directory atmost");
+
if (realpath(arg, tmp) == 0 ||
virtio_9p__register(kvm, tmp, "/dev/root") < 0)
die("Unable to initialize virtio 9p");
@@ -145,6 +148,9 @@ static int img_name_parser(const struct option *opt, const char *arg, int unset)
S_ISDIR(st.st_mode)) {
char tmp[PATH_MAX];
+ if (using_rootfs)
+ die("Please use only one rootfs directory atmost");
+
if (realpath(path, tmp) == 0 ||
virtio_9p__register(kvm, tmp, "/dev/root") < 0)
die("Unable to initialize virtio 9p");
--
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