Date: Sun, 09 Feb 2020 21:36:35 -0800 From: Cy Schubert <Cy.Schubert@cschubert.com> To: "O. Hartmann" <o.hartmann@walstatt.org> Cc: Scott Long <scottl@FreeBSD.org>, src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r357710 - in head/sys: cam/ata cam/nvme cam/scsi ufs/ffs Message-ID: <202002100536.01A5aakV073830@slippy.cwsent.com> In-Reply-To: <20200210060145.6920e8f5@thor.intern.walstatt.dynvpn.de> References: <202002100023.01A0NKmY053556@repo.freebsd.org> <20200210060145.6920e8f5@thor.intern.walstatt.dynvpn.de>
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In message <20200210060145.6920e8f5@thor.intern.walstatt.dynvpn.de>, "O. Hartma nn" writes: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA256 > > Am Mon, 10 Feb 2020 00:23:20 +0000 (UTC) > Scott Long <scottl@FreeBSD.org> schrieb: > > > Author: scottl > > Date: Mon Feb 10 00:23:20 2020 > > New Revision: 357710 > > URL: https://svnweb.freebsd.org/changeset/base/357710 > > > > Log: > > Add rudamentary support for UFS to probe whether a block device supports > the > > BIO_SPEEDUP command. Add complimentary support to the CAM periphs that > > support it. > > > > Modified: > > head/sys/cam/ata/ata_da.c > > head/sys/cam/nvme/nvme_da.c > > head/sys/cam/scsi/scsi_da.c > > head/sys/ufs/ffs/ffs_softdep.c > > head/sys/ufs/ffs/ffs_vfsops.c > > > > Modified: head/sys/cam/ata/ata_da.c > > =========================================================================== > === > > --- head/sys/cam/ata/ata_da.c Mon Feb 10 00:05:04 2020 (r35770 > 9) > > +++ head/sys/cam/ata/ata_da.c Mon Feb 10 00:23:20 2020 (r35771 > 0) > > @@ -50,6 +50,7 @@ __FBSDID("$FreeBSD$"); > > #include <sys/proc.h> > > #include <sys/reboot.h> > > #include <sys/sbuf.h> > > +#include <geom/geom.h> > > #include <geom/geom_disk.h> > > #endif /* _KERNEL */ > > > > @@ -1565,6 +1566,10 @@ adagetattr(struct bio *bp) > > { > > int ret; > > struct cam_periph *periph; > > + > > + /* TODO: tunable knob */ > > + if (g_handleattr_int(bp, "GEOM::canspeedup", 1)) > > + return (0); > > > > periph = (struct cam_periph *)bp->bio_disk->d_drv1; > > cam_periph_lock(periph); > > > > Modified: head/sys/cam/nvme/nvme_da.c > > =========================================================================== > === > > --- head/sys/cam/nvme/nvme_da.c Mon Feb 10 00:05:04 2020 (r35770 > 9) > > +++ head/sys/cam/nvme/nvme_da.c Mon Feb 10 00:23:20 2020 (r35771 > 0) > > @@ -48,6 +48,7 @@ __FBSDID("$FreeBSD$"); > > #include <sys/cons.h> > > #include <sys/proc.h> > > #include <sys/reboot.h> > > +#include <geom/geom.h> > > #include <geom/geom_disk.h> > > #endif /* _KERNEL */ > > > > @@ -699,6 +700,10 @@ ndagetattr(struct bio *bp) > > { > > int ret; > > struct cam_periph *periph; > > + > > + /* TODO: tunable knob */ > > + if (g_handleattr_int(bp, "GEOM::canspeedup", 1)) > > + return (0); > > > > periph = (struct cam_periph *)bp->bio_disk->d_drv1; > > cam_periph_lock(periph); > > > > Modified: head/sys/cam/scsi/scsi_da.c > > =========================================================================== > === > > --- head/sys/cam/scsi/scsi_da.c Mon Feb 10 00:05:04 2020 (r35770 > 9) > > +++ head/sys/cam/scsi/scsi_da.c Mon Feb 10 00:23:20 2020 (r35771 > 0) > > @@ -1942,6 +1942,10 @@ dagetattr(struct bio *bp) > > int ret; > > struct cam_periph *periph; > > > > + /* TODO: tunable knob for this */ > > + if (g_handleattr_int(bp, "GEOM::canspeedup", 1)) > > + return (0); > > + > > periph = (struct cam_periph *)bp->bio_disk->d_drv1; > > cam_periph_lock(periph); > > ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, > > > > Modified: head/sys/ufs/ffs/ffs_softdep.c > > =========================================================================== > === > > --- head/sys/ufs/ffs/ffs_softdep.c Mon Feb 10 00:05:04 2020 (r35770 > 9) > > +++ head/sys/ufs/ffs/ffs_softdep.c Mon Feb 10 00:23:20 2020 (r35771 > 0) > > @@ -1464,6 +1464,9 @@ softdep_send_speedup(struct ufsmount *ump, size_t sho > r > > { > > struct buf *bp; > > > > + if ((ump->um_flags & UM_CANSPEEDUP) == 0) > > + return; > > + > > bp = malloc(sizeof(*bp), M_TRIM, M_WAITOK | M_ZERO); > > bp->b_iocmd = BIO_SPEEDUP; > > bp->b_ioflags = flags; > > > > Modified: head/sys/ufs/ffs/ffs_vfsops.c > > =========================================================================== > === > > --- head/sys/ufs/ffs/ffs_vfsops.c Mon Feb 10 00:05:04 2020 (r35770 > 9) > > +++ head/sys/ufs/ffs/ffs_vfsops.c Mon Feb 10 00:23:20 2020 (r35771 > 0) > > @@ -794,7 +794,7 @@ ffs_mountfs(devvp, mp, td) > > struct ucred *cred; > > struct g_consumer *cp; > > struct mount *nmp; > > - int candelete; > > + int candelete, canspeedup; > > off_t loc; > > > > fs = NULL; > > @@ -1009,6 +1009,13 @@ ffs_mountfs(devvp, mp, td) > > ump->um_trimhash = hashinit(MAXTRIMIO, M_TRIM, > > &ump->um_trimlisthashsize); > > } > > + } > > + > > + /* TODO: sysctl tunables, runtime modification */ > > + len = sizeof(int); > > + if (g_io_getattr("GEOM::canspeedup", cp, &len, &canspeedup) == 0) { > > + if (canspeedup) > > + ump->um_flags |= UM_CANSPEEDUP; > > } > > > > ump->um_mountp = mp; > > _______________________________________________ > > svn-src-head@freebsd.org mailing list > > https://lists.freebsd.org/mailman/listinfo/svn-src-head > > To unsubscribe, send any mail to "svn-src-head-unsubscribe@freebsd.org" > > It seems that this commit makes our systems to hang at the point, when trying > to mount the > root partition, last seen message on console is: > > [...] > mountroot: waiting for device /dev/gpt/root... > > > The root partitions on those systems resides on UFS2 formated SSDs (if this h > as any relevance). What does fstab have to mount root? Mine that work use gmirror: /dev/mirror/gm0a / ufs rw 1 1 The machines that hang use: /dev/ada0s1a / ufs rw 1 1 or a disk with a UFS label (essentially the same thing). -- Cheers, Cy Schubert <Cy.Schubert@cschubert.com> FreeBSD UNIX: <cy@FreeBSD.org> Web: http://www.FreeBSD.org The need of the many outweighs the greed of the few.
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