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| author | Damien Le Moal <damien.lemoal@wdc.com> | 2017-01-12 15:25:10 +0900 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-01-17 14:05:02 -0500 |
| commit | 26f2819772af891dee2843e1f8662c58e5129d5f (patch) | |
| tree | cb4b565f6982b8700cad33aa108d5bd5b7c6772a | |
| parent | 4633773799940b1b8b3ff98ea05e6c1ef072febd (diff) | |
| download | linux-26f2819772af891dee2843e1f8662c58e5129d5f.tar.bz2 | |
scsi: sd: Fix wrong DPOFUA disable in sd_read_cache_type
Zoned block devices force the use of READ/WRITE(16) commands by setting
sdkp->use_16_for_rw and clearing sdkp->use_10_for_rw. This result in
DPOFUA always being disabled for these drives as the assumed use of
the deprecated READ/WRITE(6) commands only looks at sdkp->use_10_for_rw.
Strenghten the test by also checking that sdkp->use_16_for_rw is false.
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/scsi/sd.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 1622e23138e0..28713d36050e 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -2600,7 +2600,8 @@ sd_read_cache_type(struct scsi_disk *sdkp, unsigned char *buffer) if (sdp->broken_fua) { sd_first_printk(KERN_NOTICE, sdkp, "Disabling FUA\n"); sdkp->DPOFUA = 0; - } else if (sdkp->DPOFUA && !sdkp->device->use_10_for_rw) { + } else if (sdkp->DPOFUA && !sdkp->device->use_10_for_rw && + !sdkp->device->use_16_for_rw) { sd_first_printk(KERN_NOTICE, sdkp, "Uses READ/WRITE(6), disabling FUA\n"); sdkp->DPOFUA = 0; |