xfs_metadump: Zap dev inodes

Signed-off-by: Stefan Ring <stefanrin@gmail.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>

diff --git a/db/metadump.c b/db/metadump.c
index 69e2603754f7a93de515da7ef285974681296882..4a801106ff023c9b950a003a527808e7e7fb4f7a 100644 (file)
--- a/db/metadump.c
+++ b/db/metadump.c
@@ -2273,6 +2273,26 @@ process_inode_data(
        return 1;
 }
 
+static int
+process_dev_inode(
+       xfs_dinode_t            *dip)
+{
+       if (XFS_DFORK_NEXTENTS(dip, XFS_DATA_FORK)) {
+               if (show_warnings)
+                       print_warning("inode %llu has unexpected extents",
+                                     (unsigned long long)cur_ino);
+               return 0;
+       } else {
+               if (zero_stale_data) {
+                       unsigned int    size = sizeof(xfs_dev_t);
+
+                       memset(XFS_DFORK_DPTR(dip) + size, 0,
+                                       XFS_DFORK_DSIZE(dip, mp) - size);
+               }
+               return 1;
+       }
+}
+
 /*
  * when we process the inode, we may change the data in the data and/or
  * attribute fork if they are in short form and we are obfuscating names.
@@ -2325,7 +2345,15 @@ process_inode(
                case S_IFREG:
                        success = process_inode_data(dip, TYP_DATA);
                        break;
-               default: ;
+               case S_IFIFO:
+               case S_IFCHR:
+               case S_IFBLK:
+               case S_IFSOCK:
+                       success = process_dev_inode(dip);
+                       need_new_crc = 1;
+                       break;
+               default:
+                       break;
        }
        nametable_clear();