Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / fs / squashfs / squashfs_fs_sb.h
diff --git a/kernel/fs/squashfs/squashfs_fs_sb.h b/kernel/fs/squashfs/squashfs_fs_sb.h
new file mode 100644 (file)
index 0000000..1da565c
--- /dev/null
@@ -0,0 +1,80 @@
+#ifndef SQUASHFS_FS_SB
+#define SQUASHFS_FS_SB
+/*
+ * Squashfs
+ *
+ * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ * Phillip Lougher <phillip@squashfs.org.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2,
+ * or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * squashfs_fs_sb.h
+ */
+
+#include "squashfs_fs.h"
+
+struct squashfs_cache {
+       char                    *name;
+       int                     entries;
+       int                     curr_blk;
+       int                     next_blk;
+       int                     num_waiters;
+       int                     unused;
+       int                     block_size;
+       int                     pages;
+       spinlock_t              lock;
+       wait_queue_head_t       wait_queue;
+       struct squashfs_cache_entry *entry;
+};
+
+struct squashfs_cache_entry {
+       u64                     block;
+       int                     length;
+       int                     refcount;
+       u64                     next_index;
+       int                     pending;
+       int                     error;
+       int                     num_waiters;
+       wait_queue_head_t       wait_queue;
+       struct squashfs_cache   *cache;
+       void                    **data;
+       struct squashfs_page_actor      *actor;
+};
+
+struct squashfs_sb_info {
+       const struct squashfs_decompressor      *decompressor;
+       int                                     devblksize;
+       int                                     devblksize_log2;
+       struct squashfs_cache                   *block_cache;
+       struct squashfs_cache                   *fragment_cache;
+       struct squashfs_cache                   *read_page;
+       int                                     next_meta_index;
+       __le64                                  *id_table;
+       __le64                                  *fragment_index;
+       __le64                                  *xattr_id_table;
+       struct mutex                            meta_index_mutex;
+       struct meta_index                       *meta_index;
+       struct squashfs_stream                  *stream;
+       __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