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/*

 * 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__ */