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s390/dcssblk: fix virtual vs physical address confusion

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Fix virtual vs physical address confusion. This does not fix a bug
since virtual and physical address spaces are currently the same.

dax_direct_access() should receive a virtual kernel address in kaddr.

Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Acked-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Gerald Schaefer 2024-03-07 12:27:02 +01:00 committed by Heiko Carstens
parent 4e8477aeb4
commit 9a349be3ca
1 changed files with 1 additions and 1 deletions
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2
drivers/s390/block/dcssblk.c
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@ -919,7 +919,7 @@ __dcssblk_direct_access(struct dcssblk_dev_info *dev_info, pgoff_t pgoff,
dev_sz = dev_info->end - dev_info->start + 1;
if (kaddr)
*kaddr = (void *) dev_info->start + offset;
*kaddr = __va(dev_info->start + offset);
if (pfn)
*pfn = __pfn_to_pfn_t(PFN_DOWN(dev_info->start + offset),
PFN_DEV|PFN_SPECIAL);