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Imported reiserfsprogs-3.6.20

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Jeff Mahoney committed 2012-10-11 11:32:09 -04:00
1 parent 0ed773997f
commit dac518d099
189 files changed
+43353 -29787
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include/io.h
-84
View File
@@ -1,84 +0,0 @@
/*
* Copyright 1996-2004 by Hans Reiser, licensing governed by
* reiserfsprogs/README
*/
#ifndef REISERFSPROGS_IO_H
#define REISERFSPROGS_IO_H
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdio.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
#include "misc.h"
struct buffer_head {
unsigned long b_blocknr;
int b_dev;
unsigned long b_size;
char * b_data;
unsigned long b_state;
unsigned int b_count;
unsigned int b_list ;
void (*b_start_io) (unsigned long);
void (*b_end_io)(struct buffer_head *bh, int uptodate);
struct buffer_head * b_next;
struct buffer_head * b_prev;
struct buffer_head * b_hash_next;
struct buffer_head * b_hash_prev;
};
#define BH_Uptodate 0
#define BH_Dirty 1
#define BH_Lock 2
#define BH_Do_not_flush 3
#define buffer_uptodate(bh) misc_test_bit(BH_Uptodate, &(bh)->b_state)
#define buffer_dirty(bh) misc_test_bit(BH_Dirty, &(bh)->b_state)
#define buffer_locked(bh) misc_test_bit(BH_Lock, &(bh)->b_state)
#define buffer_clean(bh) !misc_test_bit(BH_Dirty, &(bh)->b_state)
#define buffer_do_not_flush(bh) misc_test_bit(BH_Do_not_flush, &(bh)->b_state)
#define mark_buffer_dirty(bh) misc_set_bit(BH_Dirty, &(bh)->b_state)
#define mark_buffer_uptodate(bh,i) misc_set_bit(BH_Uptodate, &(bh)->b_state)
#define mark_buffer_clean(bh) misc_clear_bit(BH_Dirty, &(bh)->b_state)
#define mark_buffer_do_not_flush(bh) misc_set_bit(BH_Do_not_flush, &(bh)->b_state)
#define clear_buffer_do_not_flush(bh) misc_clear_bit(BH_Do_not_flush, &(bh)->b_state)
/*
printf ("%s:%s:%u %p %p %p\n",
__FILE__, __FUNCTION__, __LINE__,
__builtin_return_address (0),
__builtin_return_address (1),
__builtin_return_address (2));
*/
void __wait_on_buffer (struct buffer_head * bh);
struct buffer_head * getblk (int dev, unsigned long block, int size);
struct buffer_head * reiserfs_getblk (int dev, unsigned long block, int size, int *repeat);
struct buffer_head * find_buffer (int dev, unsigned long block, unsigned long size);
struct buffer_head * get_hash_table(dev_t dev, unsigned long block, int size);
struct buffer_head * bread (int dev, unsigned long block, size_t size);
struct buffer_head * reiserfs_bread (int dev, unsigned long block, int size, int *repeat);
int bwrite (struct buffer_head * bh);
void brelse (struct buffer_head * bh);
void bforget (struct buffer_head * bh);
void init_rollback_file (char * rollback_file, int *bloksize, FILE * log);
int open_rollback_file (char * rollback_file, FILE * log);
void close_rollback_file ();
void do_fsck_rollback (int fd_device, int fd_journal_device, FILE * log);
void flush_buffers (int);
void free_buffers (void);
void invalidate_buffers (int);
#endif