rxrpc: Add ktime_sub_ms()

Add a ktime_sub_ms() to go with ktime_add_ms() and co. for use in AF_RXRPC
RTT determination.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells 2016-09-22 00:29:01 +01:00
parent 7aa51da7c8
commit 77f2efcbdd
1 changed files with 5 additions and 0 deletions

View File

@ -231,6 +231,11 @@ static inline ktime_t ktime_sub_us(const ktime_t kt, const u64 usec)
return ktime_sub_ns(kt, usec * NSEC_PER_USEC);
}
static inline ktime_t ktime_sub_ms(const ktime_t kt, const u64 msec)
{
return ktime_sub_ns(kt, msec * NSEC_PER_MSEC);
}
extern ktime_t ktime_add_safe(const ktime_t lhs, const ktime_t rhs);
/**