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authorPhillip Lougher <phillip@lougher.demon.co.uk>2009-10-06 04:04:15 +0100
committerPhillip Lougher <phillip@lougher.demon.co.uk>2010-01-20 21:47:47 +0000
commit4c0f0bb2351bee3de8dd7715ee199454a59f1230 (patch)
treec552993587a8e87f7ebc0fe0955efdde94cc8884 /fs/squashfs/squashfs_fs_sb.h
parentf1a40359f8d8ba073257ed31a513e492621bcbc5 (diff)
Squashfs: add a decompressor framework
This adds a decompressor framework which allows multiple compression algorithms to be cleanly supported. Also update zlib wrapper and other code to use the new framework. Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
Diffstat (limited to 'fs/squashfs/squashfs_fs_sb.h')
-rw-r--r--fs/squashfs/squashfs_fs_sb.h41
1 files changed, 21 insertions, 20 deletions
diff --git a/fs/squashfs/squashfs_fs_sb.h b/fs/squashfs/squashfs_fs_sb.h
index 23a67fa40b03..753335085e41 100644
--- a/fs/squashfs/squashfs_fs_sb.h
+++ b/fs/squashfs/squashfs_fs_sb.h
@@ -52,25 +52,26 @@ struct squashfs_cache_entry {
};
struct squashfs_sb_info {
- 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;
- unsigned int *fragment_index_2;
- struct mutex read_data_mutex;
- struct mutex meta_index_mutex;
- struct meta_index *meta_index;
- void *stream;
- __le64 *inode_lookup_table;
- u64 inode_table;
- u64 directory_table;
- unsigned int block_size;
- unsigned short block_log;
- long long bytes_used;
- unsigned int inodes;
+ 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;
+ unsigned int *fragment_index_2;
+ struct mutex read_data_mutex;
+ struct mutex meta_index_mutex;
+ struct meta_index *meta_index;
+ void *stream;
+ __le64 *inode_lookup_table;
+ u64 inode_table;
+ u64 directory_table;
+ unsigned int block_size;
+ unsigned short block_log;
+ long long bytes_used;
+ unsigned int inodes;
};
#endif