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[PATCH v2 3/4] Introduce virStorageFileIsClusterFS

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---
Notes:
    Version 2:
    - new patch

 src/libvirt_private.syms |    1 +
 src/util/storage_file.c  |   10 ++++++++++
 src/util/storage_file.h  |    1 +
 3 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 9e3573f..18a24e4 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -1011,6 +1011,7 @@ virStorageFileFormatTypeToString;
 virStorageFileFreeMetadata;
 virStorageFileGetMetadata;
 virStorageFileGetMetadataFromFD;
+virStorageFileIsClusterFS;
 virStorageFileIsSharedFS;
 virStorageFileIsSharedFSType;
 virStorageFileProbeFormat;
diff --git a/src/util/storage_file.c b/src/util/storage_file.c
index a8661e3..cd1c142 100644
--- a/src/util/storage_file.c
+++ b/src/util/storage_file.c
@@ -1063,3 +1063,13 @@ int virStorageFileIsSharedFS(const char *path)
                                         VIR_STORAGE_FILE_SHFS_OCFS |
                                         VIR_STORAGE_FILE_SHFS_AFS);
 }
+
+int virStorageFileIsClusterFS(const char *path)
+{
+    /* These are coherent cluster filesystems known to be safe for
+     * migration with cache != none
+     */
+    return virStorageFileIsSharedFSType(path,
+                                        VIR_STORAGE_FILE_SHFS_GFS2 |
+                                        VIR_STORAGE_FILE_SHFS_OCFS);
+}
diff --git a/src/util/storage_file.h b/src/util/storage_file.h
index 96afb12..13d0e87 100644
--- a/src/util/storage_file.h
+++ b/src/util/storage_file.h
@@ -82,6 +82,7 @@ enum {
 };
 
 int virStorageFileIsSharedFS(const char *path);
+int virStorageFileIsClusterFS(const char *path);
 int virStorageFileIsSharedFSType(const char *path,
                                  int fstypes);
 
-- 
1.7.8.4

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