On Thu, Jan 22, 2026 at 02:09:54PM +0530, Balaji Selvanathan wrote: > From: Aswin Murugan <[email protected]> > > Enable the Force Unit Access (FUA) bit in SCSI WRITE10 commands to > ensure writes bypass the device's volatile cache and go directly to > non-volatile storage. This provides write-through behavior that prevents > data loss during board resets. > > Signed-off-by: Aswin Murugan <[email protected]>
Add your Signed-off-by. Reviewed-by: Varadarajan Narayanan <[email protected]> > --- > Changes in v2: > - Reverted "scsi: sync cache on write" commit and then set the FUA bit > > drivers/scsi/scsi.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c > index 2e99f68cc5a..153b4841add 100644 > --- a/drivers/scsi/scsi.c > +++ b/drivers/scsi/scsi.c > @@ -107,7 +107,7 @@ static void scsi_setup_write_ext(struct scsi_cmd *pccb, > lbaint_t start, > lbaint_t blocks) > { > pccb->cmd[0] = SCSI_WRITE10; > - pccb->cmd[1] = 0; > + pccb->cmd[1] = 0x08; /* Set FUA bit to bypass write cache */ > pccb->cmd[2] = (unsigned char)(start >> 24) & 0xff; > pccb->cmd[3] = (unsigned char)(start >> 16) & 0xff; > pccb->cmd[4] = (unsigned char)(start >> 8) & 0xff; > -- > 2.34.1 >
