| /* 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 *type, 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, "magic number", 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); |
| |
| extern int check_journal_clean(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd, |
| bool verbose); |
| |
| #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_withdrawn - test whether the file system is withdrawing or withdrawn |
| * @sdp: the superblock |
| */ |
| static inline bool gfs2_withdrawn(struct gfs2_sbd *sdp) |
| { |
| return 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 test_bit(SDF_WITHDRAWING, &sdp->sd_flags) && |
| !test_bit(SDF_WITHDRAWN, &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__ */ |