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[Hackndev-commit] SF.net SVN: hackndev: [862] linux4palm/linux/trunk/include/linux
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From: <z7...@us...> - 2007-02-21 09:49:04
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Revision: 862
http://svn.sourceforge.net/hackndev/?rev=862&view=rev
Author: z72ka
Date: 2007-02-21 01:49:01 -0800 (Wed, 21 Feb 2007)
Log Message:
-----------
Palmz72: New squashfs drivers for 2.6.20
Modified Paths:
--------------
linux4palm/linux/trunk/include/linux/squashfs_fs.h
linux4palm/linux/trunk/include/linux/squashfs_fs_i.h
linux4palm/linux/trunk/include/linux/squashfs_fs_sb.h
Modified: linux4palm/linux/trunk/include/linux/squashfs_fs.h
===================================================================
--- linux4palm/linux/trunk/include/linux/squashfs_fs.h 2007-02-21 09:46:12 UTC (rev 861)
+++ linux4palm/linux/trunk/include/linux/squashfs_fs.h 2007-02-21 09:49:01 UTC (rev 862)
@@ -4,7 +4,7 @@
/*
* Squashfs
*
- * Copyright (c) 2002, 2003, 2004, 2005, 2006
+ * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007
* Phillip Lougher <ph...@lo...>
*
* This program is free software; you can redistribute it and/or
@@ -72,6 +72,7 @@
#define SQUASHFS_NO_FRAG 4
#define SQUASHFS_ALWAYS_FRAG 5
#define SQUASHFS_DUPLICATE 6
+#define SQUASHFS_EXPORT 7
#define SQUASHFS_BIT(flag, bit) ((flag >> bit) & 1)
@@ -93,13 +94,16 @@
#define SQUASHFS_DUPLICATES(flags) SQUASHFS_BIT(flags, \
SQUASHFS_DUPLICATE)
+#define SQUASHFS_EXPORTABLE(flags) SQUASHFS_BIT(flags, \
+ SQUASHFS_EXPORT)
+
#define SQUASHFS_CHECK_DATA(flags) SQUASHFS_BIT(flags, \
SQUASHFS_CHECK)
#define SQUASHFS_MKFLAGS(noi, nod, check_data, nof, no_frag, always_frag, \
- duplicate_checking) (noi | (nod << 1) | (check_data << 2) \
+ duplicate_checking, exortable) (noi | (nod << 1) | (check_data << 2) \
| (nof << 3) | (no_frag << 4) | (always_frag << 5) | \
- (duplicate_checking << 6))
+ (duplicate_checking << 6) | (exportable << 7))
/* Max number of types and file types */
#define SQUASHFS_DIR_TYPE 1
@@ -153,7 +157,7 @@
#define SQUASHFS_MODE(a) ((a) & 0xfff)
/* fragment and fragment table defines */
-#define SQUASHFS_FRAGMENT_BYTES(A) (A * sizeof(struct squashfs_fragment_entry))
+#define SQUASHFS_FRAGMENT_BYTES(A) ((A) * sizeof(struct squashfs_fragment_entry))
#define SQUASHFS_FRAGMENT_INDEX(A) (SQUASHFS_FRAGMENT_BYTES(A) / \
SQUASHFS_METADATA_SIZE)
@@ -168,6 +172,22 @@
#define SQUASHFS_FRAGMENT_INDEX_BYTES(A) (SQUASHFS_FRAGMENT_INDEXES(A) *\
sizeof(long long))
+/* inode lookup table defines */
+#define SQUASHFS_LOOKUP_BYTES(A) ((A) * sizeof(squashfs_inode_t))
+
+#define SQUASHFS_LOOKUP_BLOCK(A) (SQUASHFS_LOOKUP_BYTES(A) / \
+ SQUASHFS_METADATA_SIZE)
+
+#define SQUASHFS_LOOKUP_BLOCK_OFFSET(A) (SQUASHFS_LOOKUP_BYTES(A) % \
+ SQUASHFS_METADATA_SIZE)
+
+#define SQUASHFS_LOOKUP_BLOCKS(A) ((SQUASHFS_LOOKUP_BYTES(A) + \
+ SQUASHFS_METADATA_SIZE - 1) / \
+ SQUASHFS_METADATA_SIZE)
+
+#define SQUASHFS_LOOKUP_BLOCK_BYTES(A) (SQUASHFS_LOOKUP_BLOCKS(A) *\
+ sizeof(long long))
+
/* cached data constants for filesystem */
#define SQUASHFS_CACHED_BLKS 8
@@ -235,7 +255,7 @@
long long inode_table_start;
long long directory_table_start;
long long fragment_table_start;
- long long unused;
+ long long lookup_table_start;
} __attribute__ ((packed));
struct squashfs_dir_index {
@@ -342,7 +362,7 @@
struct squashfs_fragment_entry {
long long start_block;
unsigned int size;
- unsigned int unused;
+ unsigned int pending;
} __attribute__ ((packed));
extern int squashfs_uncompress_block(void *d, int dstlen, void *s, int srclen);
@@ -391,7 +411,7 @@
SQUASHFS_SWAP((s)->inode_table_start, d, 696, 64);\
SQUASHFS_SWAP((s)->directory_table_start, d, 760, 64);\
SQUASHFS_SWAP((s)->fragment_table_start, d, 824, 64);\
- SQUASHFS_SWAP((s)->unused, d, 888, 64);\
+ SQUASHFS_SWAP((s)->lookup_table_start, d, 888, 64);\
}
#define SQUASHFS_SWAP_BASE_INODE_CORE(s, d, n)\
@@ -507,6 +527,8 @@
SQUASHFS_SWAP((s)->size, d, 64, 32);\
}
+#define SQUASHFS_SWAP_INODE_T(s, d) SQUASHFS_SWAP_LONG_LONGS(s, d, 1)
+
#define SQUASHFS_SWAP_SHORTS(s, d, n) {\
int entry;\
int bit_position;\
@@ -548,6 +570,7 @@
}
#define SQUASHFS_SWAP_FRAGMENT_INDEXES(s, d, n) SQUASHFS_SWAP_LONG_LONGS(s, d, n)
+#define SQUASHFS_SWAP_LOOKUP_BLOCKS(s, d, n) SQUASHFS_SWAP_LONG_LONGS(s, d, n)
#ifdef CONFIG_SQUASHFS_1_0_COMPATIBILITY
Modified: linux4palm/linux/trunk/include/linux/squashfs_fs_i.h
===================================================================
--- linux4palm/linux/trunk/include/linux/squashfs_fs_i.h 2007-02-21 09:46:12 UTC (rev 861)
+++ linux4palm/linux/trunk/include/linux/squashfs_fs_i.h 2007-02-21 09:49:01 UTC (rev 862)
@@ -3,7 +3,7 @@
/*
* Squashfs
*
- * Copyright (c) 2002, 2003, 2004, 2005, 2006
+ * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007
* Phillip Lougher <ph...@lo...>
*
* This program is free software; you can redistribute it and/or
Modified: linux4palm/linux/trunk/include/linux/squashfs_fs_sb.h
===================================================================
--- linux4palm/linux/trunk/include/linux/squashfs_fs_sb.h 2007-02-21 09:46:12 UTC (rev 861)
+++ linux4palm/linux/trunk/include/linux/squashfs_fs_sb.h 2007-02-21 09:49:01 UTC (rev 862)
@@ -3,7 +3,7 @@
/*
* Squashfs
*
- * Copyright (c) 2002, 2003, 2004, 2005, 2006
+ * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007
* Phillip Lougher <ph...@lo...>
*
* This program is free software; you can redistribute it and/or
@@ -53,18 +53,18 @@
unsigned int *guid;
long long *fragment_index;
unsigned int *fragment_index_2;
- unsigned int read_size;
- char *read_data;
char *read_page;
- struct semaphore read_data_mutex;
- struct semaphore read_page_mutex;
- struct semaphore block_cache_mutex;
- struct semaphore fragment_mutex;
- struct semaphore meta_index_mutex;
+ struct mutex read_data_mutex;
+ struct mutex read_page_mutex;
+ struct mutex block_cache_mutex;
+ struct mutex fragment_mutex;
+ struct mutex meta_index_mutex;
wait_queue_head_t waitq;
wait_queue_head_t fragment_wait_queue;
struct meta_index *meta_index;
- struct inode *(*iget)(struct super_block *s, squashfs_inode_t \
+ z_stream stream;
+ long long *inode_lookup_table;
+ int (*read_inode)(struct inode *i, squashfs_inode_t \
inode);
long long (*read_blocklist)(struct inode *inode, int \
index, int readahead_blks, char *block_list, \
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