diff options
Diffstat (limited to 'mdadm.h')
| -rw-r--r-- | mdadm.h | 17 |
1 files changed, 17 insertions, 0 deletions
@@ -129,6 +129,22 @@ extern __off64_t lseek64 __P ((int __fd, __off64_t __offset, int __whence)); #endif /* __KLIBC__ */ +/* + * min()/max()/clamp() macros that also do + * strict type-checking.. See the + * "unnecessary" pointer comparison. + */ +#define min(x, y) ({ \ + typeof(x) _min1 = (x); \ + typeof(y) _min2 = (y); \ + (void) (&_min1 == &_min2); \ + _min1 < _min2 ? _min1 : _min2; }) + +#define max(x, y) ({ \ + typeof(x) _max1 = (x); \ + typeof(y) _max2 = (y); \ + (void) (&_max1 == &_max2); \ + _max1 > _max2 ? _max1 : _max2; }) /* general information that might be extracted from a superblock */ struct mdinfo { @@ -842,6 +858,7 @@ extern int assemble_container_content(struct supertype *st, int mdfd, extern int add_disk(int mdfd, struct supertype *st, struct mdinfo *sra, struct mdinfo *info); extern int set_array_info(int mdfd, struct supertype *st, struct mdinfo *info); +unsigned long long min_recovery_start(struct mdinfo *array); extern char *human_size(long long bytes); extern char *human_size_brief(long long bytes); |