[PATCH 01/26] sd: fix sd_is_zoned
From: Christoph Hellwig <hch@lst.de>
Date: 2024-06-11 05:19:46
Also in:
ceph-devel, dm-devel, linux-bcache, linux-block, linux-m68k, linux-mmc, linux-nvme, linux-raid, linux-s390, linux-scsi, linux-um, nvdimm, virtualization, xen-devel
Subsystem:
scsi subsystem, the rest · Maintainers:
"James E.J. Bottomley", "Martin K. Petersen", Linus Torvalds
Since commit 7437bb73f087 ("block: remove support for the host aware zone
model"), only ZBC devices expose a zoned access model. sd_is_zoned is
used to check for that and thus return false for host aware devices.
Fixes: 7437bb73f087 ("block: remove support for the host aware zone model")
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
drivers/scsi/sd.h | 7 ++++++-
drivers/scsi/sd_zbc.c | 7 +------
2 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index 726f1613f6cb56..65dff3c2108926 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h@@ -222,9 +222,14 @@ static inline sector_t sectors_to_logical(struct scsi_device *sdev, sector_t sec void sd_dif_config_host(struct scsi_disk *sdkp, struct queue_limits *lim); +/* + * Check if we support a zoned model for this device. + * + * Note that host aware devices are treated as conventional by Linux. + */ static inline int sd_is_zoned(struct scsi_disk *sdkp) { - return sdkp->zoned == 1 || sdkp->device->type == TYPE_ZBC; + return sdkp->device->type == TYPE_ZBC; } #ifdef CONFIG_BLK_DEV_ZONED
diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c
index f685838d9ed214..422eaed8457227 100644
--- a/drivers/scsi/sd_zbc.c
+++ b/drivers/scsi/sd_zbc.c@@ -598,13 +598,8 @@ int sd_zbc_read_zones(struct scsi_disk *sdkp, struct queue_limits *lim, u32 zone_blocks = 0; int ret; - if (!sd_is_zoned(sdkp)) { - /* - * Device managed or normal SCSI disk, no special handling - * required. - */ + if (!sd_is_zoned(sdkp)) return 0; - } /* READ16/WRITE16/SYNC16 is mandatory for ZBC devices */ sdkp->device->use_16_for_rw = 1;
--
2.43.0