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228 lines
6.3 KiB
228 lines
6.3 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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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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#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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void 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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bool delayed); |
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#define gfs2_assert_withdraw(sdp, assertion) \ |
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({ \ |
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bool _bool = (assertion); \ |
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if (unlikely(!_bool)) \ |
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gfs2_assert_withdraw_i((sdp), #assertion, \ |
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__func__, __FILE__, __LINE__, false); \ |
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!_bool; \ |
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}) |
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#define gfs2_assert_withdraw_delayed(sdp, assertion) \ |
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({ \ |
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bool _bool = (assertion); \ |
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if (unlikely(!_bool)) \ |
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gfs2_assert_withdraw_i((sdp), #assertion, \ |
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__func__, __FILE__, __LINE__, true); \ |
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!_bool; \ |
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}) |
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void 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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({ \ |
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bool _bool = (assertion); \ |
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if (unlikely(!_bool)) \ |
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gfs2_assert_warn_i((sdp), #assertion, \ |
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__func__, __FILE__, __LINE__); \ |
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!_bool; \ |
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}) |
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void gfs2_consist_i(struct gfs2_sbd *sdp, |
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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), __func__, __FILE__, __LINE__) |
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void gfs2_consist_inode_i(struct gfs2_inode *ip, |
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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), __func__, __FILE__, __LINE__) |
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void gfs2_consist_rgrpd_i(struct gfs2_rgrpd *rgd, |
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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), __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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extern int check_journal_clean(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd, |
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bool verbose); |
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extern int gfs2_freeze_lock(struct gfs2_sbd *sdp, |
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struct gfs2_holder *freeze_gh, int caller_flags); |
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extern void gfs2_freeze_unlock(struct gfs2_holder *freeze_gh); |
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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 struct kmem_cache *gfs2_trans_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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/** |
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* gfs2_withdraw_delayed - withdraw as soon as possible without deadlocks |
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* @sdp: the superblock |
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*/ |
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static inline void gfs2_withdraw_delayed(struct gfs2_sbd *sdp) |
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{ |
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set_bit(SDF_WITHDRAWING, &sdp->sd_flags); |
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} |
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/** |
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* gfs2_withdrawn - test whether the file system is withdrawing or withdrawn |
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* @sdp: the superblock |
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*/ |
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static inline bool gfs2_withdrawn(struct gfs2_sbd *sdp) |
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{ |
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return test_bit(SDF_WITHDRAWN, &sdp->sd_flags) || |
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test_bit(SDF_WITHDRAWING, &sdp->sd_flags); |
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} |
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/** |
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* gfs2_withdrawing - check if a withdraw is pending |
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* @sdp: the superblock |
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*/ |
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static inline bool gfs2_withdrawing(struct gfs2_sbd *sdp) |
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{ |
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return test_bit(SDF_WITHDRAWING, &sdp->sd_flags) && |
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!test_bit(SDF_WITHDRAWN, &sdp->sd_flags); |
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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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void gfs2_lm(struct gfs2_sbd *sdp, const char *fmt, ...); |
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int gfs2_withdraw(struct gfs2_sbd *sdp); |
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#endif /* __UTIL_DOT_H__ */
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