diff options
Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.27/003-squashfs_lzma.patch')
| -rw-r--r-- | target/linux/generic-2.6/patches-2.6.27/003-squashfs_lzma.patch | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.27/003-squashfs_lzma.patch b/target/linux/generic-2.6/patches-2.6.27/003-squashfs_lzma.patch deleted file mode 100644 index 9050e370ca..0000000000 --- a/target/linux/generic-2.6/patches-2.6.27/003-squashfs_lzma.patch +++ /dev/null @@ -1,107 +0,0 @@ ---- a/fs/squashfs/inode.c -+++ b/fs/squashfs/inode.c -@@ -4,6 +4,9 @@ - * Copyright (c) 2002, 2003, 2004, 2005, 2006 - * Phillip Lougher <phillip@lougher.org.uk> - * -+ * LZMA decompressor support added by Oleg I. Vdovikin -+ * Copyright (c) 2005 Oleg I.Vdovikin <oleg@cs.msu.su> -+ * - * 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, -@@ -21,6 +24,7 @@ - * inode.c - */ - -+#define SQUASHFS_LZMA - #include <linux/types.h> - #include <linux/squashfs_fs.h> - #include <linux/module.h> -@@ -44,6 +48,19 @@ - - #include "squashfs.h" - -+#ifdef SQUASHFS_LZMA -+#include <linux/LzmaDecode.h> -+ -+/* default LZMA settings, should be in sync with mksquashfs */ -+#define LZMA_LC 3 -+#define LZMA_LP 0 -+#define LZMA_PB 2 -+ -+#define LZMA_WORKSPACE_SIZE ((LZMA_BASE_SIZE + \ -+ (LZMA_LIT_SIZE << (LZMA_LC + LZMA_LP))) * sizeof(CProb)) -+ -+#endif -+ - static void squashfs_put_super(struct super_block *); - static int squashfs_statfs(struct dentry *, struct kstatfs *); - static int squashfs_symlink_readpage(struct file *file, struct page *page); -@@ -64,7 +81,11 @@ static int squashfs_get_sb(struct file_s - const char *, void *, struct vfsmount *); - - -+#ifdef SQUASHFS_LZMA -+static unsigned char lzma_workspace[LZMA_WORKSPACE_SIZE]; -+#else - static z_stream stream; -+#endif - - static struct file_system_type squashfs_fs_type = { - .owner = THIS_MODULE, -@@ -249,6 +270,15 @@ SQSH_EXTERN unsigned int squashfs_read_d - if (compressed) { - int zlib_err; - -+#ifdef SQUASHFS_LZMA -+ if ((zlib_err = LzmaDecode(lzma_workspace, -+ LZMA_WORKSPACE_SIZE, LZMA_LC, LZMA_LP, LZMA_PB, -+ c_buffer, c_byte, buffer, msblk->read_size, &bytes)) != LZMA_RESULT_OK) -+ { -+ ERROR("lzma returned unexpected result 0x%x\n", zlib_err); -+ bytes = 0; -+ } -+#else - stream.next_in = c_buffer; - stream.avail_in = c_byte; - stream.next_out = buffer; -@@ -263,7 +293,7 @@ SQSH_EXTERN unsigned int squashfs_read_d - bytes = 0; - } else - bytes = stream.total_out; -- -+#endif - up(&msblk->read_data_mutex); - } - -@@ -2045,15 +2075,19 @@ static int __init init_squashfs_fs(void) - printk(KERN_INFO "squashfs: version 3.0 (2006/03/15) " - "Phillip Lougher\n"); - -+#ifndef SQUASHFS_LZMA - if (!(stream.workspace = vmalloc(zlib_inflate_workspacesize()))) { - ERROR("Failed to allocate zlib workspace\n"); - destroy_inodecache(); - err = -ENOMEM; - goto out; - } -+#endif - - if ((err = register_filesystem(&squashfs_fs_type))) { -+#ifndef SQUASHFS_LZMA - vfree(stream.workspace); -+#endif - destroy_inodecache(); - } - -@@ -2064,7 +2098,9 @@ out: - - static void __exit exit_squashfs_fs(void) - { -+#ifndef SQUASHFS_LZMA - vfree(stream.workspace); -+#endif - unregister_filesystem(&squashfs_fs_type); - destroy_inodecache(); - } |