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fs/gfs2/util.h
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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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* * This copyrighted material is made available to anyone wishing to use, * 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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*/ #ifndef __UTIL_DOT_H__ #define __UTIL_DOT_H__ |
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#ifdef pr_fmt #undef pr_fmt #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #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, ...) \ pr_emerg("fsid=%s: " fmt, (fs)->sd_fsname, ##__VA_ARGS__) |
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#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__) |
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void gfs2_assert_i(struct gfs2_sbd *sdp); #define gfs2_assert(sdp, assertion) \ do { \ if (unlikely(!(assertion))) { \ gfs2_assert_i(sdp); \ |
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BUG(); \ |
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} \ } 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, \ |
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__func__, __FILE__, __LINE__)) |
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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, \ |
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__func__, __FILE__, __LINE__)) |
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int gfs2_consist_i(struct gfs2_sbd *sdp, int cluster_wide, const char *function, char *file, unsigned int line); #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, const char *function, char *file, unsigned int line); #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, const char *function, char *file, unsigned int line); #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, const char *type, const char *function, char *file, unsigned int line); |
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static inline int gfs2_meta_check(struct gfs2_sbd *sdp, struct buffer_head *bh) |
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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 ", |
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(unsigned long long)bh->b_blocknr); return -EIO; } |
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return 0; } |
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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, char *file, unsigned int line); static inline int gfs2_metatype_check_i(struct gfs2_sbd *sdp, struct buffer_head *bh, |
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u16 type, |
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const char *function, char *file, unsigned int line) { 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)) return gfs2_meta_check_ii(sdp, bh, "magic number", function, file, line); |
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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) \ |
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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, u16 format) |
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{ struct gfs2_meta_header *mh; mh = (struct gfs2_meta_header *)bh->b_data; |
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mh->mh_type = cpu_to_be32(type); mh->mh_format = cpu_to_be32(format); |
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} int gfs2_io_error_i(struct gfs2_sbd *sdp, const char *function, char *file, unsigned int line); #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, const char *function, char *file, unsigned int line); #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; 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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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; } #define gfs2_tune_get(sdp, field) \ gfs2_tune_get_i(&(sdp)->sd_tune, &(sdp)->sd_tune.field) |
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__printf(2, 3) int gfs2_lm_withdraw(struct gfs2_sbd *sdp, const char *fmt, ...); |
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#endif /* __UTIL_DOT_H__ */ |