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Diffstat (limited to 'fs/squashfs/squashfs_fs_sb.h')
| -rw-r--r-- | fs/squashfs/squashfs_fs_sb.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/fs/squashfs/squashfs_fs_sb.h b/fs/squashfs/squashfs_fs_sb.h new file mode 100644 index 0000000000..2b6f81d33a --- /dev/null +++ b/fs/squashfs/squashfs_fs_sb.h @@ -0,0 +1,82 @@ +#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. + * + * squashfs_fs_sb.h + */ + +#include <linux/spinlock.h> +#include <linux/wait.h> +#include <linux/mutex.h> +#include <linux/barebox-wrapper.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; + struct cdev *cdev; + struct device_d *dev; +}; +#endif |