virfile: added GPFS as shared fs

Added GPFS as shared file system recognized during live migration
security checks.

GPFS is 'IBM General Parallel File System' also called
'IBM Spectrum Scale'

BUG: https://bugzilla.redhat.com/show_bug.cgi?id=1679528Signed-off-by: NDiego Michelotto <diego.michelotto@cnaf.infn.it>
Signed-off-by: NPeter Krempa <pkrempa@redhat.com>

src/util/virfile.c

@@ -3478,6 +3478,9 @@ int virFilePrintf(FILE *fp, const char *msg, ...)
 # ifndef CEPH_SUPER_MAGIC
 #  define CEPH_SUPER_MAGIC 0x00C36400
 # endif
+# ifndef GPFS_SUPER_MAGIC
+#  define GPFS_SUPER_MAGIC 0x47504653
+# endif
 
 # define PROC_MOUNTS "/proc/mounts"
 
@@ -3623,6 +3626,9 @@ virFileIsSharedFSType(const char *path,
     if ((fstypes & VIR_FILE_SHFS_CEPH) &&
         (f_type == CEPH_SUPER_MAGIC))
         return 1;
+    if ((fstypes & VIR_FILE_SHFS_GPFS) &&
+        (f_type == GPFS_SUPER_MAGIC))
+        return 1;
 
     return 0;
 }
@@ -3786,7 +3792,8 @@ int virFileIsSharedFS(const char *path)
                                  VIR_FILE_SHFS_AFS |
                                  VIR_FILE_SHFS_SMB |
                                  VIR_FILE_SHFS_CIFS |
-                                 VIR_FILE_SHFS_CEPH);
+                                 VIR_FILE_SHFS_CEPH |
+                                 VIR_FILE_SHFS_GPFS);
 }
 
 

src/util/virfile.h

@@ -221,6 +221,7 @@ enum {
     VIR_FILE_SHFS_SMB = (1 << 4),
     VIR_FILE_SHFS_CIFS = (1 << 5),
     VIR_FILE_SHFS_CEPH = (1 << 6),
+    VIR_FILE_SHFS_GPFS = (1 << 7),
 };
 
 int virFileIsSharedFSType(const char *path, int fstypes) ATTRIBUTE_NONNULL(1);

tests/virfiledata/mounts3.txt

@@ -35,3 +35,4 @@ host:/gv0 /gluster fuse.glusterfs rw 0 0
 root@host:/tmp/mkdir /gluster/sshfs fuse.sshfs rw 0 0
 192.168.0.1:/ceph/data /ceph ceph rw,noatime,name=cephfs,secret=<hidden>,acl,wsize=16777216 0 0
 192.168.0.1,192.168.0.2,192.168.0.3:/ceph/data2 /ceph/multi ceph rw,noatime,name=cephfs,secret=<hidden>,acl,wsize=16777216 0 0
+gpfs_data /gpfs/data gpfs rw,relatime 0 0

tests/virfilemock.c

@@ -89,6 +89,9 @@ setmntent(const char *filename, const char *type)
 #ifndef CEPH_SUPER_MAGIC
 # define CEPH_SUPER_MAGIC 0x00c36400
 #endif
+#ifndef GPFS_SUPER_MAGIC
+# define GPFS_SUPER_MAGIC 0x47504653
+#endif
 
 
 static int
@@ -137,6 +140,8 @@ statfs_mock(const char *mtab,
             ftype = FUSE_SUPER_MAGIC;
         } else if (STRPREFIX(mb.mnt_type, "ceph")) {
             ftype = CEPH_SUPER_MAGIC;
+        } else if (STRPREFIX(mb.mnt_type, "gpfs")) {
+            ftype = GPFS_SUPER_MAGIC;
         } else {
             /* Everything else is EXT4. We don't care really for other paths. */
             ftype = EXT4_SUPER_MAGIC;

tests/virfiletest.c

@@ -457,6 +457,7 @@ mymain(void)
     DO_TEST_FILE_IS_SHARED_FS_TYPE("mounts3.txt", "/some/symlink/file", true);
     DO_TEST_FILE_IS_SHARED_FS_TYPE("mounts3.txt", "/ceph/file", true);
     DO_TEST_FILE_IS_SHARED_FS_TYPE("mounts3.txt", "/ceph/multi/file", true);
+    DO_TEST_FILE_IS_SHARED_FS_TYPE("mounts3.txt", "/gpfs/data", true);
 
     return ret != 0 ? EXIT_FAILURE : EXIT_SUCCESS;
 }