diff options
Diffstat (limited to 'fs/bcachefs/util.h')
| -rw-r--r-- | fs/bcachefs/util.h | 59 |
1 files changed, 52 insertions, 7 deletions
diff --git a/fs/bcachefs/util.h b/fs/bcachefs/util.h index b701f7fe07..b414736d59 100644 --- a/fs/bcachefs/util.h +++ b/fs/bcachefs/util.h @@ -342,14 +342,24 @@ bool bch2_is_zero(const void *, size_t); u64 bch2_read_flag_list(char *, const char * const[]); -void bch2_prt_u64_binary(struct printbuf *, u64, unsigned); +void bch2_prt_u64_base2_nbits(struct printbuf *, u64, unsigned); +void bch2_prt_u64_base2(struct printbuf *, u64); void bch2_print_string_as_lines(const char *prefix, const char *lines); typedef DARRAY(unsigned long) bch_stacktrace; -int bch2_save_backtrace(bch_stacktrace *stack, struct task_struct *); +int bch2_save_backtrace(bch_stacktrace *stack, struct task_struct *, unsigned, gfp_t); void bch2_prt_backtrace(struct printbuf *, bch_stacktrace *); -int bch2_prt_task_backtrace(struct printbuf *, struct task_struct *); +int bch2_prt_task_backtrace(struct printbuf *, struct task_struct *, unsigned, gfp_t); + +static inline void prt_bdevname(struct printbuf *out, struct block_device *bdev) +{ +#ifdef __KERNEL__ + prt_printf(out, "%pg", bdev); +#else + prt_str(out, bdev->name); +#endif +} #define NR_QUANTILES 15 #define QUANTILE_IDX(i) inorder_to_eytzinger0(i, NR_QUANTILES) @@ -374,8 +384,9 @@ struct bch2_time_stat_buffer { struct bch2_time_stats { spinlock_t lock; /* all fields are in nanoseconds */ - u64 max_duration; u64 min_duration; + u64 max_duration; + u64 total_duration; u64 max_freq; u64 min_freq; u64 last_event; @@ -390,15 +401,39 @@ struct bch2_time_stats { #ifndef CONFIG_BCACHEFS_NO_LATENCY_ACCT void __bch2_time_stats_update(struct bch2_time_stats *stats, u64, u64); -#else -static inline void __bch2_time_stats_update(struct bch2_time_stats *stats, u64 start, u64 end) {} -#endif static inline void bch2_time_stats_update(struct bch2_time_stats *stats, u64 start) { __bch2_time_stats_update(stats, start, local_clock()); } +static inline bool track_event_change(struct bch2_time_stats *stats, + u64 *start, bool v) +{ + if (v != !!*start) { + if (!v) { + bch2_time_stats_update(stats, *start); + *start = 0; + } else { + *start = local_clock() ?: 1; + return true; + } + } + + return false; +} +#else +static inline void __bch2_time_stats_update(struct bch2_time_stats *stats, u64 start, u64 end) {} +static inline void bch2_time_stats_update(struct bch2_time_stats *stats, u64 start) {} +static inline bool track_event_change(struct bch2_time_stats *stats, + u64 *start, bool v) +{ + bool ret = v && !*start; + *start = v; + return ret; +} +#endif + void bch2_time_stats_to_text(struct printbuf *, struct bch2_time_stats *); void bch2_time_stats_exit(struct bch2_time_stats *); @@ -831,4 +866,14 @@ static inline int cmp_le32(__le32 l, __le32 r) #include <linux/uuid.h> +#define QSTR(n) { { { .len = strlen(n) } }, .name = n } + +static inline bool qstr_eq(const struct qstr l, const struct qstr r) +{ + return l.len == r.len && !memcmp(l.name, r.name, l.len); +} + +void bch2_darray_str_exit(darray_str *); +int bch2_split_devs(const char *, darray_str *); + #endif /* _BCACHEFS_UTIL_H */ |