[libvirt] [PATCH] fs: Fix pool building when directory already exists

Christophe Fergeau cfergeau at redhat.com
Fri Jul 17 08:12:44 UTC 2015

Currently, when trying to virsh pool-define/virsh pool-build a new
'dir' pool, if the target directory already exists, virsh
pool-build/virStoragePoolBuild will error out. This is a change of
behaviour compared to eg libvirt 1.2.13

This is caused by the wrong type being used for the dir_create_flags
variable in virStorageBackendFileSystemBuild , it's defined as a bool
but is used as a flag bit field so should be unsigned int (this matches
the type virDirCreate expects for this variable).

This should fix https://bugzilla.gnome.org/show_bug.cgi?id=752417 (GNOME
Boxes) and https://bugzilla.redhat.com/show_bug.cgi?id=1244080
(downstream virt-manager).
 src/storage/storage_backend_fs.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/storage/storage_backend_fs.c b/src/storage/storage_backend_fs.c
index 0eebac3..c0ea1df 100644
--- a/src/storage/storage_backend_fs.c
+++ b/src/storage/storage_backend_fs.c
@@ -784,7 +784,8 @@ virStorageBackendFileSystemBuild(virConnectPtr conn ATTRIBUTE_UNUSED,
     char *parent = NULL;
     char *p = NULL;
     mode_t mode;
-    bool needs_create_as_uid, dir_create_flags;
+    bool needs_create_as_uid;
+    unsigned int dir_create_flags;
                   VIR_STORAGE_POOL_BUILD_NO_OVERWRITE, ret);

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