diff options
| author | Kent Overstreet <kent.overstreet@linux.dev> | 2024-06-13 20:11:48 +0200 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2024-07-15 01:00:15 +0200 |
| commit | 132e1a2380d06c31a17c773aac6c676658b9686a (patch) | |
| tree | 72682b244d2b2aaf849bf526c4b0ce16e694fdaa /fs/bcachefs/util.h | |
| parent | MAINTAINERS: remove Brian Foster as a reviewer for bcachefs (diff) | |
| download | linux-132e1a2380d06c31a17c773aac6c676658b9686a.tar.xz linux-132e1a2380d06c31a17c773aac6c676658b9686a.zip | |
bcachefs: per_cpu_sum()
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/util.h')
| -rw-r--r-- | fs/bcachefs/util.h | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/fs/bcachefs/util.h b/fs/bcachefs/util.h index cd09edd12d8a..2def4f761ca6 100644 --- a/fs/bcachefs/util.h +++ b/fs/bcachefs/util.h @@ -698,14 +698,19 @@ do { \ } \ } while (0) +#define per_cpu_sum(_p) \ +({ \ + typeof(*_p) _ret = 0; \ + \ + int cpu; \ + for_each_possible_cpu(cpu) \ + _ret += *per_cpu_ptr(_p, cpu); \ + _ret; \ +}) + static inline u64 percpu_u64_get(u64 __percpu *src) { - u64 ret = 0; - int cpu; - - for_each_possible_cpu(cpu) - ret += *per_cpu_ptr(src, cpu); - return ret; + return per_cpu_sum(src); } static inline void percpu_u64_set(u64 __percpu *dst, u64 src) |