squashfs: add xattr id support

This patch adds support for mapping xattr ids (stored in inodes)
into the on-disk location of the xattrs themselves.

Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>

1 files changed, 3 insertions, 0 deletions

diff --git a/fs/squashfs/squashfs_fs_sb.h b/fs/squashfs/squashfs_fs_sb.h
index 2e77dc547e25..d9037a5215f0 100644
--- a/fs/squashfs/squashfs_fs_sb.h
+++ b/fs/squashfs/squashfs_fs_sb.h
@@ -61,6 +61,7 @@ struct squashfs_sb_info {
         int                                     next_meta_index;
         __le64                                  *id_table;
         __le64                                  *fragment_index;
+        __le64                                  *xattr_id_table;
         struct mutex                            read_data_mutex;
         struct mutex                            meta_index_mutex;
         struct meta_index                       *meta_index;
@@ -68,9 +69,11 @@ struct squashfs_sb_info {
         __le64                                  *inode_lookup_table;
         u64                                     inode_table;
         u64                                     directory_table;
+        u64                                     xattr_table;
         unsigned int                            block_size;
         unsigned short                          block_log;
         long long                               bytes_used;
         unsigned int                            inodes;
+        int                                     xattr_ids;
 };
 #endif