On Mon, Apr 23, 2018 at 02:43:48PM -0700, Matthew Wilcox wrote: > On Mon, Apr 23, 2018 at 01:57:30PM -0700, Andres Freund wrote: > > On 2018-04-23 13:42:08 -0700, Matthew Wilcox wrote: > > > @@ -119,19 +119,11 @@ EXPORT_SYMBOL(errseq_set); > > > errseq_t errseq_sample(errseq_t *eseq) > > > { > > > > There's a comment above this: > > * > > * This function allows callers to sample an errseq_t value, marking it as > > * "seen" if required. > > Oh, good catch. I'll fix that. Thanks! How does this look? @@ -111,27 +111,22 @@ EXPORT_SYMBOL(errseq_set); * errseq_sample() - Grab current errseq_t value. * @eseq: Pointer to errseq_t to be sampled. * - * This function allows callers to sample an errseq_t value, marking it as - * "seen" if required. + * This function allows callers to initialise their errseq_t variable. + * If the error has been "seen", new callers will not see an old error. + * If there is an unseen error in @eseq, the caller of this function will + * see it the next time it checks for an error. * + * Context: Any context. * Return: The current errseq value. */ errseq_t errseq_sample(errseq_t *eseq)