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| author | Wojciech Macek <wma@FreeBSD.org> | 2021-12-20 05:32:51 +0000 |
|---|---|---|
| committer | Wojciech Macek <wma@FreeBSD.org> | 2021-12-20 05:32:51 +0000 |
| commit | e0ceec676dc86ddca960a9858ae5e3a4e0c8390d (patch) | |
| tree | 91bee3d927c6e730b995e6077999185158a68d44 /sys/cam/scsi/scsi_da.c | |
| parent | 4f741801d86089a1c5d631ba1e0f1421cdcf7a7e (diff) | |
| download | src-e0ceec676dc86ddca960a9858ae5e3a4e0c8390d.tar.gz src-e0ceec676dc86ddca960a9858ae5e3a4e0c8390d.zip | |
cam: don't send scsi commands on shutdown when reboot method RB_NOSYNC
Don't send the SCSI comand SYNCHRONIZE CACHE on devices that are still
open when RB_NOSYNC is the reboot method. This may avoid recursive panics
when doadump is called due to a SCSI/CAM/USB error/bug.
Obtained from: Semihalf
Sponsored by: Stormshield
Reviewed by: imp
Differential revision: https://reviews.freebsd.org/D31549
Diffstat (limited to 'sys/cam/scsi/scsi_da.c')
| -rw-r--r-- | sys/cam/scsi/scsi_da.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/cam/scsi/scsi_da.c b/sys/cam/scsi/scsi_da.c index 0bcbccc7eab9..243e86d18caa 100644 --- a/sys/cam/scsi/scsi_da.c +++ b/sys/cam/scsi/scsi_da.c @@ -49,6 +49,7 @@ __FBSDID("$FreeBSD$"); #include <sys/cons.h> #include <sys/endian.h> #include <sys/proc.h> +#include <sys/reboot.h> #include <sys/sbuf.h> #include <geom/geom.h> #include <geom/geom_disk.h> @@ -6245,6 +6246,9 @@ dashutdown(void * arg, int howto) union ccb *ccb; int error; + if ((howto & RB_NOSYNC) != 0) + return; + CAM_PERIPH_FOREACH(periph, &dadriver) { softc = (struct da_softc *)periph->softc; if (SCHEDULER_STOPPED()) { |