Date: Thu, 14 Apr 2016 22:13:46 +0000 (UTC) From: Warner Losh <imp@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r298011 - head/sys/cam/ata Message-ID: <201604142213.u3EMDklN061064@repo.freebsd.org>
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Author: imp Date: Thu Apr 14 22:13:46 2016 New Revision: 298011 URL: https://svnweb.freebsd.org/changeset/base/298011 Log: Add a comment about why the timeout for flush was lowered to 5s. Modified: head/sys/cam/ata/ata_da.c Modified: head/sys/cam/ata/ata_da.c ============================================================================== --- head/sys/cam/ata/ata_da.c Thu Apr 14 22:13:44 2016 (r298010) +++ head/sys/cam/ata/ata_da.c Thu Apr 14 22:13:46 2016 (r298011) @@ -912,6 +912,11 @@ adadump(void *arg, void *virtual, vm_off if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) { xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); + /* + * Tell the drive to flush its intenral cache. if we + * can't flush in 5s we have big problems. No need to + * wait the default 60s to detect problems. + */ ccb.ccb_h.ccb_state = ADA_CCB_DUMP; cam_fill_ataio(&ccb.ataio, 0,
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