From: Zhang Yi Date: Thu, 19 Jun 2025 11:18:01 +0000 (+0800) Subject: scsi: sd: set max_hw_wzeroes_unmap_sectors if device supports SD_ZERO_*_UNMAP X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=6dffe079fe363ca976d26fe7e8f0b3e84b4c796f;p=users%2Fjedix%2Flinux-maple.git scsi: sd: set max_hw_wzeroes_unmap_sectors if device supports SD_ZERO_*_UNMAP When the device supports the Write Zeroes command and the zeroing mode is set to SD_ZERO_WS16_UNMAP or SD_ZERO_WS10_UNMAP, this means that the device supports unmap Write Zeroes, so set the corresponding max_hw_write_zeroes_unmap_sectors to max_write_zeroes_sectors on the device's queue limit. Signed-off-by: Zhang Yi Link: https://lore.kernel.org/20250619111806.3546162-5-yi.zhang@huaweicloud.com Reviewed-by: "Martin K. Petersen" Signed-off-by: Christian Brauner --- diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 3f6e87705b62..877dc34e8f37 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1141,6 +1141,11 @@ static void sd_config_write_same(struct scsi_disk *sdkp, out: lim->max_write_zeroes_sectors = sdkp->max_ws_blocks * (logical_block_size >> SECTOR_SHIFT); + + if (sdkp->zeroing_mode == SD_ZERO_WS16_UNMAP || + sdkp->zeroing_mode == SD_ZERO_WS10_UNMAP) + lim->max_hw_wzeroes_unmap_sectors = + lim->max_write_zeroes_sectors; } static blk_status_t sd_setup_flush_cmnd(struct scsi_cmnd *cmd)