[libvirt] [PATCHv4 4/7] storage: add file functions for local and block files
Implement the "stat" and "unlink" function for "file"
volumes and "stat"
for "block volumes using the regular system calls.
---
src/storage/storage_backend.c | 2 ++
src/storage/storage_backend_fs.c | 38 ++++++++++++++++++++++++++++++++++++++
src/storage/storage_backend_fs.h | 2 ++
3 files changed, 42 insertions(+)
diff --git a/src/storage/storage_backend.c b/src/storage/storage_backend.c
index b59b5b7..da81da9 100644
--- a/src/storage/storage_backend.c
+++ b/src/storage/storage_backend.c
@@ -123,6 +123,8 @@ static virStorageBackendPtr backends[] = {
static virStorageFileBackendPtr fileBackends[] = {
+ &virStorageFileBackendFile,
+ &virStorageFileBackendBlock,
NULL
};
diff --git a/src/storage/storage_backend_fs.c b/src/storage/storage_backend_fs.c
index fa11e2f..7e55196 100644
--- a/src/storage/storage_backend_fs.c
+++ b/src/storage/storage_backend_fs.c
@@ -1327,4 +1327,42 @@ virStorageBackend virStorageBackendNetFileSystem = {
.deleteVol = virStorageBackendFileSystemVolDelete,
.resizeVol = virStorageBackendFileSystemVolResize,
};
+
+
+static int
+virStorageFileBackendFileUnlink(virStorageFilePtr file)
+{
+ if (unlink(file->path) < 0)
+ return errno;
+
+ return 0;
+}
+
+
+static int
+virStorageFileBackendFileStat(virStorageFilePtr file,
+ struct stat *st)
+{
+ if (stat(file->path, st) < 0)
+ return errno;
+
+ return 0;
+}
+
+
+virStorageFileBackend virStorageFileBackendFile = {
+ .type = VIR_DOMAIN_DISK_TYPE_FILE,
+
+ .storageFileUnlink = virStorageFileBackendFileUnlink,
+ .storageFileStat = virStorageFileBackendFileStat,
+};
+
+
+virStorageFileBackend virStorageFileBackendBlock = {
+ .type = VIR_DOMAIN_DISK_TYPE_BLOCK,
+
+ .storageFileStat = virStorageFileBackendFileStat,
+};
+
+
#endif /* WITH_STORAGE_FS */
diff --git a/src/storage/storage_backend_fs.h b/src/storage/storage_backend_fs.h
index a519b38..347ea9b 100644
--- a/src/storage/storage_backend_fs.h
+++ b/src/storage/storage_backend_fs.h
@@ -38,4 +38,6 @@ typedef enum {
} virStoragePoolProbeResult;
extern virStorageBackend virStorageBackendDirectory;
+extern virStorageFileBackend virStorageFileBackendFile;
+extern virStorageFileBackend virStorageFileBackendBlock;
#endif /* __VIR_STORAGE_BACKEND_FS_H__ */
--
1.8.5.3