sample_medium_snippet.c

/*
 * ==========================================================================
 * Metaslabs
 * ==========================================================================
 */

static void
metaslab_aux_histograms_clear(metaslab_t *msp)
{
	/*
	 * Auxiliary histograms are only cleared when resetting them,
	 * which can only happen while the metaslab is loaded.
	 */
	ASSERT(msp->ms_loaded);

	bzero(msp->ms_synchist, sizeof (msp->ms_synchist));
	for (int t = 0; t < TXG_DEFER_SIZE; t++)
		bzero(msp->ms_deferhist[t], sizeof (msp->ms_deferhist[t]));
}