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authorLinus Torvalds2009-01-09 15:18:49 -0800
committerLinus Torvalds2009-01-09 15:18:49 -0800
commit31aeb6c815549948571eec988ad9728c27d7a68d (patch)
treee155438be253924ebb1b792182e406947369b3eb /fs/squashfs/squashfs_fs_sb.h
parentc40f6f8bbc4cbd2902671aacd587400ddca62627 (diff)
parentfc55584175589b70f4c30cb594f09f4bd6ad5d40 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-linus
* git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-linus: MAINTAINERS: squashfs entry Squashfs: documentation Squashfs: initrd support Squashfs: Kconfig entry Squashfs: Makefiles Squashfs: header files Squashfs: block operations Squashfs: cache operations Squashfs: uid/gid lookup operations Squashfs: fragment block operations Squashfs: export operations Squashfs: super block operations Squashfs: symlink operations Squashfs: regular file operations Squashfs: directory readdir operations Squashfs: directory lookup operations Squashfs: inode operations
Diffstat (limited to 'fs/squashfs/squashfs_fs_sb.h')
-rw-r--r--fs/squashfs/squashfs_fs_sb.h76
1 files changed, 76 insertions, 0 deletions
diff --git a/fs/squashfs/squashfs_fs_sb.h b/fs/squashfs/squashfs_fs_sb.h
new file mode 100644
index 000000000000..c8c65614dd1c
--- /dev/null
+++ b/fs/squashfs/squashfs_fs_sb.h
@@ -0,0 +1,76 @@
+#ifndef SQUASHFS_FS_SB
+#define SQUASHFS_FS_SB
+/*
+ * Squashfs
+ *
+ * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ * Phillip Lougher <phillip@lougher.demon.co.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 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_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;
+ z_stream 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