diff options
Diffstat (limited to 'libbcachefs/util.h')
| -rw-r--r-- | libbcachefs/util.h | 61 |
1 files changed, 56 insertions, 5 deletions
diff --git a/libbcachefs/util.h b/libbcachefs/util.h index c5fec87d..7ffbddb8 100644 --- a/libbcachefs/util.h +++ b/libbcachefs/util.h @@ -5,21 +5,23 @@ #include <linux/bio.h> #include <linux/blkdev.h> #include <linux/closure.h> -#include <linux/darray.h> #include <linux/errno.h> #include <linux/freezer.h> #include <linux/kernel.h> +#include <linux/sched/clock.h> #include <linux/llist.h> #include <linux/log2.h> #include <linux/percpu.h> #include <linux/preempt.h> #include <linux/ratelimit.h> -#include <linux/sched/clock.h> #include <linux/slab.h> -#include <linux/time_stats.h> #include <linux/vmalloc.h> #include <linux/workqueue.h> -#include <linux/mean_and_variance.h> + +#include "mean_and_variance.h" + +#include "darray.h" +#include "time_stats.h" struct closure; @@ -328,7 +330,7 @@ static inline void prt_bdevname(struct printbuf *out, struct block_device *bdev) #endif } -void bch2_time_stats_to_text(struct printbuf *, struct time_stats *); +void bch2_time_stats_to_text(struct printbuf *, struct bch2_time_stats *); #define ewma_add(ewma, val, weight) \ ({ \ @@ -629,6 +631,34 @@ static inline void memset_u64s_tail(void *s, int c, unsigned bytes) memset(s + bytes, c, rem); } +void sort_cmp_size(void *base, size_t num, size_t size, + int (*cmp_func)(const void *, const void *, size_t), + void (*swap_func)(void *, void *, size_t)); + +/* just the memmove, doesn't update @_nr */ +#define __array_insert_item(_array, _nr, _pos) \ + memmove(&(_array)[(_pos) + 1], \ + &(_array)[(_pos)], \ + sizeof((_array)[0]) * ((_nr) - (_pos))) + +#define array_insert_item(_array, _nr, _pos, _new_item) \ +do { \ + __array_insert_item(_array, _nr, _pos); \ + (_nr)++; \ + (_array)[(_pos)] = (_new_item); \ +} while (0) + +#define array_remove_items(_array, _nr, _pos, _nr_to_remove) \ +do { \ + (_nr) -= (_nr_to_remove); \ + memmove(&(_array)[(_pos)], \ + &(_array)[(_pos) + (_nr_to_remove)], \ + sizeof((_array)[0]) * ((_nr) - (_pos))); \ +} while (0) + +#define array_remove_item(_array, _nr, _pos) \ + array_remove_items(_array, _nr, _pos, 1) + static inline void __move_gap(void *array, size_t element_size, size_t nr, size_t size, size_t old_gap, size_t new_gap) @@ -743,4 +773,25 @@ static inline bool qstr_eq(const struct qstr l, const struct qstr r) void bch2_darray_str_exit(darray_str *); int bch2_split_devs(const char *, darray_str *); +#ifdef __KERNEL__ + +__must_check +static inline int copy_to_user_errcode(void __user *to, const void *from, unsigned long n) +{ + return copy_to_user(to, from, n) ? -EFAULT : 0; +} + +__must_check +static inline int copy_from_user_errcode(void *to, const void __user *from, unsigned long n) +{ + return copy_from_user(to, from, n) ? -EFAULT : 0; +} + +#endif + +static inline void __set_bit_le64(size_t bit, __le64 *addr) +{ + addr[bit / 64] |= cpu_to_le64(BIT_ULL(bit % 64)); +} + #endif /* _BCACHEFS_UTIL_H */ |