kernel-ark/fs/gfs2/util.h
Linus Torvalds 1c1afa3c05 Merge master.kernel.org:/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw
* master.kernel.org:/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw: (73 commits)
  [DLM] Clean up lowcomms
  [GFS2] Change gfs2_fsync() to use write_inode_now()
  [GFS2] Fix indent in recovery.c
  [GFS2] Don't flush everything on fdatasync
  [GFS2] Add a comment about reading the super block
  [GFS2] Mount problem with the GFS2 code
  [GFS2] Remove gfs2_check_acl()
  [DLM] fix format warnings in rcom.c and recoverd.c
  [GFS2] lock function parameter
  [DLM] don't accept replies to old recovery messages
  [DLM] fix size of STATUS_REPLY message
  [GFS2] fs/gfs2/log.c:log_bmap() fix printk format warning
  [DLM] fix add_requestqueue checking nodes list
  [GFS2] Fix recursive locking in gfs2_getattr
  [GFS2] Fix recursive locking in gfs2_permission
  [GFS2] Reduce number of arguments to meta_io.c:getbuf()
  [GFS2] Move gfs2_meta_syncfs() into log.c
  [GFS2] Fix journal flush problem
  [GFS2] mark_inode_dirty after write to stuffed file
  [GFS2] Fix glock ordering on inode creation
  ...
2006-12-07 09:13:20 -08:00

169 lines
4.8 KiB
C

/*
* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
* Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU General Public License version 2.
*/
#ifndef __UTIL_DOT_H__
#define __UTIL_DOT_H__
#include "incore.h"
#define fs_printk(level, fs, fmt, arg...) \
printk(level "GFS2: fsid=%s: " fmt , (fs)->sd_fsname , ## arg)
#define fs_info(fs, fmt, arg...) \
fs_printk(KERN_INFO , fs , fmt , ## arg)
#define fs_warn(fs, fmt, arg...) \
fs_printk(KERN_WARNING , fs , fmt , ## arg)
#define fs_err(fs, fmt, arg...) \
fs_printk(KERN_ERR, fs , fmt , ## arg)
void gfs2_assert_i(struct gfs2_sbd *sdp);
#define gfs2_assert(sdp, assertion) \
do { \
if (unlikely(!(assertion))) { \
gfs2_assert_i(sdp); \
BUG(); \
} \
} while (0)
int gfs2_assert_withdraw_i(struct gfs2_sbd *sdp, char *assertion,
const char *function, char *file, unsigned int line);
#define gfs2_assert_withdraw(sdp, assertion) \
((likely(assertion)) ? 0 : gfs2_assert_withdraw_i((sdp), #assertion, \
__FUNCTION__, __FILE__, __LINE__))
int gfs2_assert_warn_i(struct gfs2_sbd *sdp, char *assertion,
const char *function, char *file, unsigned int line);
#define gfs2_assert_warn(sdp, assertion) \
((likely(assertion)) ? 0 : gfs2_assert_warn_i((sdp), #assertion, \
__FUNCTION__, __FILE__, __LINE__))
int gfs2_consist_i(struct gfs2_sbd *sdp, int cluster_wide,
const char *function, char *file, unsigned int line);
#define gfs2_consist(sdp) \
gfs2_consist_i((sdp), 0, __FUNCTION__, __FILE__, __LINE__)
int gfs2_consist_inode_i(struct gfs2_inode *ip, int cluster_wide,
const char *function, char *file, unsigned int line);
#define gfs2_consist_inode(ip) \
gfs2_consist_inode_i((ip), 0, __FUNCTION__, __FILE__, __LINE__)
int gfs2_consist_rgrpd_i(struct gfs2_rgrpd *rgd, int cluster_wide,
const char *function, char *file, unsigned int line);
#define gfs2_consist_rgrpd(rgd) \
gfs2_consist_rgrpd_i((rgd), 0, __FUNCTION__, __FILE__, __LINE__)
int gfs2_meta_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh,
const char *type, const char *function,
char *file, unsigned int line);
static inline int gfs2_meta_check_i(struct gfs2_sbd *sdp,
struct buffer_head *bh,
const char *function,
char *file, unsigned int line)
{
struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data;
u32 magic = be32_to_cpu(mh->mh_magic);
if (unlikely(magic != GFS2_MAGIC))
return gfs2_meta_check_ii(sdp, bh, "magic number", function,
file, line);
return 0;
}
#define gfs2_meta_check(sdp, bh) \
gfs2_meta_check_i((sdp), (bh), __FUNCTION__, __FILE__, __LINE__)
int gfs2_metatype_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh,
u16 type, u16 t,
const char *function,
char *file, unsigned int line);
static inline int gfs2_metatype_check_i(struct gfs2_sbd *sdp,
struct buffer_head *bh,
u16 type,
const char *function,
char *file, unsigned int line)
{
struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data;
u32 magic = be32_to_cpu(mh->mh_magic);
u16 t = be32_to_cpu(mh->mh_type);
if (unlikely(magic != GFS2_MAGIC))
return gfs2_meta_check_ii(sdp, bh, "magic number", function,
file, line);
if (unlikely(t != type))
return gfs2_metatype_check_ii(sdp, bh, type, t, function,
file, line);
return 0;
}
#define gfs2_metatype_check(sdp, bh, type) \
gfs2_metatype_check_i((sdp), (bh), (type), __FUNCTION__, __FILE__, __LINE__)
static inline void gfs2_metatype_set(struct buffer_head *bh, u16 type,
u16 format)
{
struct gfs2_meta_header *mh;
mh = (struct gfs2_meta_header *)bh->b_data;
mh->mh_type = cpu_to_be32(type);
mh->mh_format = cpu_to_be32(format);
}
int gfs2_io_error_i(struct gfs2_sbd *sdp, const char *function,
char *file, unsigned int line);
#define gfs2_io_error(sdp) \
gfs2_io_error_i((sdp), __FUNCTION__, __FILE__, __LINE__);
int gfs2_io_error_bh_i(struct gfs2_sbd *sdp, struct buffer_head *bh,
const char *function, char *file, unsigned int line);
#define gfs2_io_error_bh(sdp, bh) \
gfs2_io_error_bh_i((sdp), (bh), __FUNCTION__, __FILE__, __LINE__);
extern struct kmem_cache *gfs2_glock_cachep;
extern struct kmem_cache *gfs2_inode_cachep;
extern struct kmem_cache *gfs2_bufdata_cachep;
static inline unsigned int gfs2_tune_get_i(struct gfs2_tune *gt,
unsigned int *p)
{
unsigned int x;
spin_lock(&gt->gt_spin);
x = *p;
spin_unlock(&gt->gt_spin);
return x;
}
#define gfs2_tune_get(sdp, field) \
gfs2_tune_get_i(&(sdp)->sd_tune, &(sdp)->sd_tune.field)
void gfs2_icbit_munge(struct gfs2_sbd *sdp, unsigned char **bitmap,
unsigned int bit, int new_value);
#endif /* __UTIL_DOT_H__ */