diff options
Diffstat (limited to 'fs/gfs2/util.h')
| -rw-r--r-- | fs/gfs2/util.h | 115 |
1 files changed, 69 insertions, 46 deletions
diff --git a/fs/gfs2/util.h b/fs/gfs2/util.h index 9278fecba632..ffcc47d6b0b4 100644 --- a/fs/gfs2/util.h +++ b/fs/gfs2/util.h @@ -1,10 +1,7 @@ +/* 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. - * - * This copyrighted material is made available to anyone wishing to use, - * modify, copy, or redistribute it subject to the terms and conditions - * of the GNU General Public License version 2. */ #ifndef __UTIL_DOT_H__ @@ -39,46 +36,54 @@ do { \ } while (0) -int gfs2_assert_withdraw_i(struct gfs2_sbd *sdp, char *assertion, - const char *function, char *file, unsigned int line); +void 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, \ - __func__, __FILE__, __LINE__)) + ({ \ + bool _bool = (assertion); \ + if (unlikely(!_bool)) \ + gfs2_assert_withdraw_i((sdp), #assertion, \ + __func__, __FILE__, __LINE__); \ + !_bool; \ + }) - -int gfs2_assert_warn_i(struct gfs2_sbd *sdp, char *assertion, - const char *function, char *file, unsigned int line); +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) \ -((likely(assertion)) ? 0 : gfs2_assert_warn_i((sdp), #assertion, \ - __func__, __FILE__, __LINE__)) - + ({ \ + bool _bool = (assertion); \ + if (unlikely(!_bool)) \ + gfs2_assert_warn_i((sdp), #assertion, \ + __func__, __FILE__, __LINE__); \ + !_bool; \ + }) -int gfs2_consist_i(struct gfs2_sbd *sdp, int cluster_wide, - const char *function, char *file, unsigned int line); +void gfs2_consist_i(struct gfs2_sbd *sdp, + const char *function, char *file, unsigned int line); #define gfs2_consist(sdp) \ -gfs2_consist_i((sdp), 0, __func__, __FILE__, __LINE__) +gfs2_consist_i((sdp), __func__, __FILE__, __LINE__) -int gfs2_consist_inode_i(struct gfs2_inode *ip, int cluster_wide, - const char *function, char *file, unsigned int 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), 0, __func__, __FILE__, __LINE__) +gfs2_consist_inode_i((ip), __func__, __FILE__, __LINE__) -int gfs2_consist_rgrpd_i(struct gfs2_rgrpd *rgd, int cluster_wide, - const char *function, char *file, unsigned int 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), 0, __func__, __FILE__, __LINE__) +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); +void gfs2_meta_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh, + const char *function, + char *file, unsigned int line); static inline int gfs2_meta_check(struct gfs2_sbd *sdp, struct buffer_head *bh) @@ -93,10 +98,10 @@ static inline int gfs2_meta_check(struct gfs2_sbd *sdp, 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); +void 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, @@ -107,12 +112,16 @@ static inline int gfs2_metatype_check_i(struct gfs2_sbd *sdp, 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); + if (unlikely(magic != GFS2_MAGIC)) { + gfs2_meta_check_ii(sdp, bh, function, + file, line); + return -EIO; + } + if (unlikely(t != type)) { + gfs2_metatype_check_ii(sdp, bh, type, t, function, + file, line); + return -EIO; + } return 0; } @@ -129,22 +138,23 @@ static inline void gfs2_metatype_set(struct buffer_head *bh, u16 type, } -int gfs2_io_error_i(struct gfs2_sbd *sdp, const char *function, - char *file, unsigned int line); +void gfs2_io_error_i(struct gfs2_sbd *sdp, const char *function, + char *file, unsigned int line); + +int check_journal_clean(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd, + bool verbose); +int gfs2_freeze_lock_shared(struct gfs2_sbd *sdp); +void gfs2_freeze_unlock(struct gfs2_sbd *sdp); #define gfs2_io_error(sdp) \ -gfs2_io_error_i((sdp), __func__, __FILE__, __LINE__); +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); + const char *function, char *file, unsigned int line); #define gfs2_io_error_bh(sdp, bh) \ -gfs2_io_error_bh_i((sdp), (bh), __func__, __FILE__, __LINE__, false); +gfs2_io_error_bh_i((sdp), (bh), __func__, __FILE__, __LINE__) extern struct kmem_cache *gfs2_glock_cachep; @@ -154,6 +164,7 @@ 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; @@ -167,10 +178,22 @@ static inline unsigned int gfs2_tune_get_i(struct gfs2_tune *gt, return x; } +/** + * gfs2_withdrawn - test whether the file system is withdrawn + * @sdp: the superblock + */ +static inline bool gfs2_withdrawn(struct gfs2_sbd *sdp) +{ + return unlikely(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) -int gfs2_lm_withdraw(struct gfs2_sbd *sdp, const char *fmt, ...); +void gfs2_lm(struct gfs2_sbd *sdp, const char *fmt, ...); + +void gfs2_withdraw_func(struct work_struct *work); +void gfs2_withdraw(struct gfs2_sbd *sdp); #endif /* __UTIL_DOT_H__ */ |
