Hi,Cole
After this patch is included in libvirt on rhel7.2,virt-manager can not
create dir pool with existing directory.
There is no default pool created in a fresh rhel7.2 system,so if I try
to create default pool,the below error shows:
Error creating pool: Could not build storage pool: failed to create
directory '/var/lib/libvirt/images': File exists
Do you think it's acceptable for this change since the
directory(/var/lib/libvirt/images) is created by libvirt,if users want
to create pool with /var/lib/libvirt/images,they need to delete images
directory firstly,if so I think maybe some notes in doc is
preferred,thanks very much.
On 04/28/2015 04:48 AM, Cole Robinson wrote:
The current code attempts to handle this, but it only catches mkdir
failing with EEXIST. However if say trying to build /tmp for an
unprivileged qemu:///session, mkdir will fail with EPERM.
Rather than catch any errors, just don't attempt mkdir if the directory
already exists.
---
src/util/virfile.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/src/util/virfile.c b/src/util/virfile.c
index 87d121d..23a1655 100644
--- a/src/util/virfile.c
+++ b/src/util/virfile.c
@@ -2289,12 +2289,13 @@ virDirCreateNoFork(const char *path,
int ret = 0;
struct stat st;
- if ((mkdir(path, mode) < 0)
- && !((errno == EEXIST) && (flags & VIR_DIR_CREATE_ALLOW_EXIST))) {
- ret = -errno;
- virReportSystemError(errno, _("failed to create directory '%s'"),
- path);
- goto error;
+ if (!(flags & VIR_DIR_CREATE_ALLOW_EXIST) || !virFileExists(path)) {
+ if (mkdir(path, mode) < 0) {
+ ret = -errno;
+ virReportSystemError(errno, _("failed to create directory '%s'"),
+ path);
+ goto error;
+ }
}
if (stat(path, &st) == -1) {
--
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