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	Before this patch, various errors and messages were reported using the pr_* functions: pr_err, pr_warn, pr_info, etc., but that does not tell you which gfs2 mount had the problem, which is often vital to debugging. This patch changes the calls from pr_* to fs_* in most of the messages so that the file system id is printed along with the message. Signed-off-by: Bob Peterson <rpeterso@redhat.com>
		
			
				
	
	
		
			176 lines
		
	
	
	
		
			5.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			176 lines
		
	
	
	
		
			5.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
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 * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
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 *
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 * This copyrighted material is made available to anyone wishing to use,
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 * modify, copy, or redistribute it subject to the terms and conditions
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 * of the GNU General Public License version 2.
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 */
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#ifndef __UTIL_DOT_H__
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#define __UTIL_DOT_H__
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#ifdef pr_fmt
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#undef pr_fmt
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#endif
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#include <linux/mempool.h>
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#include "incore.h"
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#define fs_emerg(fs, fmt, ...)						\
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	pr_emerg("fsid=%s: " fmt, (fs)->sd_fsname, ##__VA_ARGS__)
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#define fs_warn(fs, fmt, ...)						\
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	pr_warn("fsid=%s: " fmt, (fs)->sd_fsname, ##__VA_ARGS__)
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#define fs_err(fs, fmt, ...)						\
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	pr_err("fsid=%s: " fmt, (fs)->sd_fsname, ##__VA_ARGS__)
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#define fs_info(fs, fmt, ...)						\
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	pr_info("fsid=%s: " fmt, (fs)->sd_fsname, ##__VA_ARGS__)
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void gfs2_assert_i(struct gfs2_sbd *sdp);
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#define gfs2_assert(sdp, assertion) \
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do { \
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	if (unlikely(!(assertion))) { \
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		gfs2_assert_i(sdp); \
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		BUG(); \
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        } \
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} while (0)
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int gfs2_assert_withdraw_i(struct gfs2_sbd *sdp, char *assertion,
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			   const char *function, char *file, unsigned int line);
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#define gfs2_assert_withdraw(sdp, assertion) \
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((likely(assertion)) ? 0 : gfs2_assert_withdraw_i((sdp), #assertion, \
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					__func__, __FILE__, __LINE__))
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int gfs2_assert_warn_i(struct gfs2_sbd *sdp, char *assertion,
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		       const char *function, char *file, unsigned int line);
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#define gfs2_assert_warn(sdp, assertion) \
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((likely(assertion)) ? 0 : gfs2_assert_warn_i((sdp), #assertion, \
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					__func__, __FILE__, __LINE__))
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int gfs2_consist_i(struct gfs2_sbd *sdp, int cluster_wide,
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		   const char *function, char *file, unsigned int line);
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#define gfs2_consist(sdp) \
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gfs2_consist_i((sdp), 0, __func__, __FILE__, __LINE__)
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int gfs2_consist_inode_i(struct gfs2_inode *ip, int cluster_wide,
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			 const char *function, char *file, unsigned int line);
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#define gfs2_consist_inode(ip) \
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gfs2_consist_inode_i((ip), 0, __func__, __FILE__, __LINE__)
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int gfs2_consist_rgrpd_i(struct gfs2_rgrpd *rgd, int cluster_wide,
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			 const char *function, char *file, unsigned int line);
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#define gfs2_consist_rgrpd(rgd) \
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gfs2_consist_rgrpd_i((rgd), 0, __func__, __FILE__, __LINE__)
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int gfs2_meta_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh,
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		       const char *type, const char *function,
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		       char *file, unsigned int line);
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static inline int gfs2_meta_check(struct gfs2_sbd *sdp,
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				    struct buffer_head *bh)
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{
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	struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data;
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	u32 magic = be32_to_cpu(mh->mh_magic);
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	if (unlikely(magic != GFS2_MAGIC)) {
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		fs_err(sdp, "Magic number missing at %llu\n",
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		       (unsigned long long)bh->b_blocknr);
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		return -EIO;
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	}
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	return 0;
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}
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int gfs2_metatype_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh,
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			   u16 type, u16 t,
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			   const char *function,
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			   char *file, unsigned int line);
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static inline int gfs2_metatype_check_i(struct gfs2_sbd *sdp,
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					struct buffer_head *bh,
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					u16 type,
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					const char *function,
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					char *file, unsigned int line)
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{
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	struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data;
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	u32 magic = be32_to_cpu(mh->mh_magic);
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	u16 t = be32_to_cpu(mh->mh_type);
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	if (unlikely(magic != GFS2_MAGIC))
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		return gfs2_meta_check_ii(sdp, bh, "magic number", function,
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					  file, line);
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        if (unlikely(t != type))
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		return gfs2_metatype_check_ii(sdp, bh, type, t, function,
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					      file, line);
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	return 0;
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}
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#define gfs2_metatype_check(sdp, bh, type) \
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gfs2_metatype_check_i((sdp), (bh), (type), __func__, __FILE__, __LINE__)
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static inline void gfs2_metatype_set(struct buffer_head *bh, u16 type,
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				     u16 format)
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{
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	struct gfs2_meta_header *mh;
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	mh = (struct gfs2_meta_header *)bh->b_data;
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	mh->mh_type = cpu_to_be32(type);
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	mh->mh_format = cpu_to_be32(format);
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}
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int gfs2_io_error_i(struct gfs2_sbd *sdp, const char *function,
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		    char *file, unsigned int line);
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#define gfs2_io_error(sdp) \
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gfs2_io_error_i((sdp), __func__, __FILE__, __LINE__);
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void gfs2_io_error_bh_i(struct gfs2_sbd *sdp, struct buffer_head *bh,
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			const char *function, char *file, unsigned int line,
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			bool withdraw);
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#define gfs2_io_error_bh_wd(sdp, bh) \
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gfs2_io_error_bh_i((sdp), (bh), __func__, __FILE__, __LINE__, true);
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#define gfs2_io_error_bh(sdp, bh) \
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gfs2_io_error_bh_i((sdp), (bh), __func__, __FILE__, __LINE__, false);
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extern struct kmem_cache *gfs2_glock_cachep;
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extern struct kmem_cache *gfs2_glock_aspace_cachep;
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extern struct kmem_cache *gfs2_inode_cachep;
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extern struct kmem_cache *gfs2_bufdata_cachep;
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extern struct kmem_cache *gfs2_rgrpd_cachep;
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extern struct kmem_cache *gfs2_quotad_cachep;
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extern struct kmem_cache *gfs2_qadata_cachep;
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extern mempool_t *gfs2_page_pool;
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extern struct workqueue_struct *gfs2_control_wq;
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static inline unsigned int gfs2_tune_get_i(struct gfs2_tune *gt,
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					   unsigned int *p)
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{
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	unsigned int x;
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	spin_lock(>->gt_spin);
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	x = *p;
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	spin_unlock(>->gt_spin);
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	return x;
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}
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#define gfs2_tune_get(sdp, field) \
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gfs2_tune_get_i(&(sdp)->sd_tune, &(sdp)->sd_tune.field)
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__printf(2, 3)
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int gfs2_lm_withdraw(struct gfs2_sbd *sdp, const char *fmt, ...);
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#endif /* __UTIL_DOT_H__ */
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