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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
* Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
*/
#ifndef __UTIL_DOT_H__
#define __UTIL_DOT_H__
#ifdef pr_fmt
#undef pr_fmt
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#endif
#include <linux/mempool.h>
#include "incore.h"
#define fs_emerg(fs, fmt, ...) \
pr_emerg("fsid=%s: " fmt, (fs)->sd_fsname, ##__VA_ARGS__)
#define fs_warn(fs, fmt, ...) \
pr_warn("fsid=%s: " fmt, (fs)->sd_fsname, ##__VA_ARGS__)
#define fs_err(fs, fmt, ...) \
pr_err("fsid=%s: " fmt, (fs)->sd_fsname, ##__VA_ARGS__)
#define fs_info(fs, fmt, ...) \
pr_info("fsid=%s: " fmt, (fs)->sd_fsname, ##__VA_ARGS__)
void gfs2_assert_i(struct gfs2_sbd *sdp);
#define gfs2_assert(sdp, assertion) \
do { \
if (unlikely(!(assertion))) { \
gfs2_assert_i(sdp); \
BUG(); \
} \
} while (0)
void gfs2_assert_withdraw_i(struct gfs2_sbd *sdp, char *assertion,
const char *function, char *file, unsigned int line,
bool delayed);
#define gfs2_assert_withdraw(sdp, assertion) \
({ \
bool _bool = (assertion); \
if (unlikely(!_bool)) \
gfs2_assert_withdraw_i((sdp), #assertion, \
__func__, __FILE__, __LINE__, false); \
!_bool; \
})
#define gfs2_assert_withdraw_delayed(sdp, assertion) \
({ \
bool _bool = (assertion); \
if (unlikely(!_bool)) \
gfs2_assert_withdraw_i((sdp), #assertion, \
__func__, __FILE__, __LINE__, true); \
!_bool; \
})
void gfs2_assert_warn_i(struct gfs2_sbd *sdp, char *assertion,
const char *function, char *file, unsigned int line);
#define gfs2_assert_warn(sdp, assertion) \
({ \
bool _bool = (assertion); \
if (unlikely(!_bool)) \
gfs2_assert_warn_i((sdp), #assertion, \
__func__, __FILE__, __LINE__); \
!_bool; \
})
void gfs2_consist_i(struct gfs2_sbd *sdp,
const char *function, char *file, unsigned int line);
#define gfs2_consist(sdp) \
gfs2_consist_i((sdp), __func__, __FILE__, __LINE__)
void gfs2_consist_inode_i(struct gfs2_inode *ip,
const char *function, char *file, unsigned int line);
#define gfs2_consist_inode(ip) \
gfs2_consist_inode_i((ip), __func__, __FILE__, __LINE__)
void gfs2_consist_rgrpd_i(struct gfs2_rgrpd *rgd,
const char *function, char *file, unsigned int line);
#define gfs2_consist_rgrpd(rgd) \
gfs2_consist_rgrpd_i((rgd), __func__, __FILE__, __LINE__)
int gfs2_meta_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh,
const char *function,
char *file, unsigned int line);
static inline int gfs2_meta_check(struct gfs2_sbd *sdp,
struct buffer_head *bh)
{
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)) {
fs_err(sdp, "Magic number missing at %llu\n",
(unsigned long long)bh->b_blocknr);
return -EIO;
}
return 0;
}
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, 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), __func__, __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);
int check_journal_clean(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd,
bool verbose);
int gfs2_freeze_lock_shared(struct gfs2_sbd *sdp);
void gfs2_freeze_unlock(struct gfs2_sbd *sdp);
#define gfs2_io_error(sdp) \
gfs2_io_error_i((sdp), __func__, __FILE__, __LINE__)
void gfs2_io_error_bh_i(struct gfs2_sbd *sdp, struct buffer_head *bh,
const char *function, char *file, unsigned int line,
bool withdraw);
#define gfs2_io_error_bh_wd(sdp, bh) \
gfs2_io_error_bh_i((sdp), (bh), __func__, __FILE__, __LINE__, true)
#define gfs2_io_error_bh(sdp, bh) \
gfs2_io_error_bh_i((sdp), (bh), __func__, __FILE__, __LINE__, false)
extern struct kmem_cache *gfs2_glock_cachep;
extern struct kmem_cache *gfs2_glock_aspace_cachep;
extern struct kmem_cache *gfs2_inode_cachep;
extern struct kmem_cache *gfs2_bufdata_cachep;
extern struct kmem_cache *gfs2_rgrpd_cachep;
extern struct kmem_cache *gfs2_quotad_cachep;
extern struct kmem_cache *gfs2_qadata_cachep;
extern struct kmem_cache *gfs2_trans_cachep;
extern mempool_t *gfs2_page_pool;
extern struct workqueue_struct *gfs2_control_wq;
static inline unsigned int gfs2_tune_get_i(struct gfs2_tune *gt,
unsigned int *p)
{
unsigned int x;
spin_lock(>->gt_spin);
x = *p;
spin_unlock(>->gt_spin);
return x;
}
/**
* gfs2_withdraw_delayed - withdraw as soon as possible without deadlocks
* @sdp: the superblock
*/
static inline void gfs2_withdraw_delayed(struct gfs2_sbd *sdp)
{
set_bit(SDF_WITHDRAWING, &sdp->sd_flags);
}
/**
* gfs2_withdrawing_or_withdrawn - test whether the file system is withdrawing
* or withdrawn
* @sdp: the superblock
*/
static inline bool gfs2_withdrawing_or_withdrawn(struct gfs2_sbd *sdp)
{
return unlikely(test_bit(SDF_WITHDRAWN, &sdp->sd_flags) ||
test_bit(SDF_WITHDRAWING, &sdp->sd_flags));
}
/**
* gfs2_withdrawing - check if a withdraw is pending
* @sdp: the superblock
*/
static inline bool gfs2_withdrawing(struct gfs2_sbd *sdp)
{
return unlikely(test_bit(SDF_WITHDRAWING, &sdp->sd_flags) &&
!test_bit(SDF_WITHDRAWN, &sdp->sd_flags));
}
static inline bool gfs2_withdraw_in_prog(struct gfs2_sbd *sdp)
{
return unlikely(test_bit(SDF_WITHDRAW_IN_PROG, &sdp->sd_flags));
}
#define gfs2_tune_get(sdp, field) \
gfs2_tune_get_i(&(sdp)->sd_tune, &(sdp)->sd_tune.field)
__printf(2, 3)
void gfs2_lm(struct gfs2_sbd *sdp, const char *fmt, ...);
int gfs2_withdraw(struct gfs2_sbd *sdp);
#endif /* __UTIL_DOT_H__ */
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