From 51a43b47fefaea46b00a74180a7d0b39022e6d11 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Sat, 24 Sep 2005 07:11:16 +0000
Subject: import the very fat e2fsck/fsck applets

---
 e2fsprogs/e2fsck/jfs_user.h | 120 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 120 insertions(+)
 create mode 100644 e2fsprogs/e2fsck/jfs_user.h

(limited to 'e2fsprogs/e2fsck/jfs_user.h')

diff --git a/e2fsprogs/e2fsck/jfs_user.h b/e2fsprogs/e2fsck/jfs_user.h
new file mode 100644
index 000000000..c38def3e5
--- /dev/null
+++ b/e2fsprogs/e2fsck/jfs_user.h
@@ -0,0 +1,120 @@
+/*
+ * Compatibility header file for e2fsck which should be included
+ * instead of linux/jfs.h
+ *
+ * Copyright (C) 2000 Stephen C. Tweedie
+ *
+ * This file may be redistributed under the terms of the
+ * GNU General Public License version 2 or at your discretion
+ * any later version.
+ */
+
+/*
+ * Pull in the definition of the e2fsck context structure
+ */
+#include "e2fsck.h"
+
+struct buffer_head {
+	char		b_data[8192];
+	e2fsck_t	b_ctx;
+	io_channel 	b_io;
+	int	 	b_size;
+	blk_t	 	b_blocknr;
+	int	 	b_dirty;
+	int	 	b_uptodate;
+	int	 	b_err;
+};
+
+struct inode {
+	e2fsck_t	i_ctx;
+	ext2_ino_t	i_ino;
+	struct ext2_inode i_ext2;
+};
+
+struct kdev_s {
+	e2fsck_t	k_ctx;
+	int		k_dev;
+};
+
+#define K_DEV_FS	1
+#define K_DEV_JOURNAL	2
+
+typedef struct kdev_s *kdev_t;
+
+#define lock_buffer(bh) do {} while(0)
+#define unlock_buffer(bh) do {} while(0)
+#define buffer_req(bh) 1
+#define do_readahead(journal, start) do {} while(0)
+	
+extern e2fsck_t e2fsck_global_ctx;  /* Try your very best not to use this! */
+
+typedef struct {
+	int	object_length;
+} kmem_cache_t;
+
+#define kmem_cache_alloc(cache,flags) malloc((cache)->object_length)
+#define kmem_cache_free(cache,obj) free(obj)
+#define kmem_cache_create(name,len,a,b,c,d) do_cache_create(len)
+#define kmem_cache_destroy(cache) do_cache_destroy(cache)
+#define kmalloc(len,flags) malloc(len)
+#define kfree(p) free(p)
+
+/*
+ * We use the standard libext2fs portability tricks for inline
+ * functions.  
+ */
+extern kmem_cache_t * do_cache_create(int len);
+extern void do_cache_destroy(kmem_cache_t *cache);
+	
+#if (defined(E2FSCK_INCLUDE_INLINE_FUNCS) || !defined(NO_INLINE_FUNCS))
+#ifdef E2FSCK_INCLUDE_INLINE_FUNCS
+#define _INLINE_ extern
+#else
+#ifdef __GNUC__
+#define _INLINE_ extern __inline__
+#else				/* For Watcom C */
+#define _INLINE_ extern inline
+#endif
+#endif
+
+_INLINE_ kmem_cache_t * do_cache_create(int len)
+{
+	kmem_cache_t *new_cache;
+	new_cache = malloc(sizeof(*new_cache));
+	if (new_cache)
+		new_cache->object_length = len;
+	return new_cache;
+}
+
+_INLINE_ void do_cache_destroy(kmem_cache_t *cache)
+{
+	free(cache);
+}
+#undef _INLINE_
+#endif
+
+#define __init
+
+/*
+ * Now pull in the real linux/jfs.h definitions.
+ */
+#include <ext2fs/kernel-jbd.h>
+
+/*
+ * Kernel compatibility functions are defined in journal.c
+ */
+int journal_bmap(journal_t *journal, blk_t block, unsigned long *phys);
+struct buffer_head *getblk(kdev_t ctx, blk_t blocknr, int blocksize);
+void sync_blockdev(kdev_t kdev);
+void ll_rw_block(int rw, int dummy, struct buffer_head *bh[]);
+void mark_buffer_dirty(struct buffer_head *bh);
+void mark_buffer_uptodate(struct buffer_head *bh, int val);
+void brelse(struct buffer_head *bh);
+int buffer_uptodate(struct buffer_head *bh);
+void wait_on_buffer(struct buffer_head *bh);
+
+/*
+ * Define newer 2.5 interfaces
+ */
+#define __getblk(dev, blocknr, blocksize) getblk(dev, blocknr, blocksize)
+#define set_buffer_uptodate(bh) mark_buffer_uptodate(bh, 1)
-- 
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