27c3b415f6
This patch cleans up various pieces of GFS2 to avoid sparse errors. This doesn't fix them all, but it fixes several. The first error, in function glock_hash_walk was a genuine bug where the rhashtable could be started and not stopped. Signed-off-by: Bob Peterson <rpeterso@redhat.com>
173 lines
5 KiB
C
173 lines
5 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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pr_err("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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int 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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#define gfs2_io_error_bh(sdp, bh) \
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gfs2_io_error_bh_i((sdp), (bh), __func__, __FILE__, __LINE__);
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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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