diff options
Diffstat (limited to 'drivers/s390/block/dcssblk.c')
| -rw-r--r-- | drivers/s390/block/dcssblk.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index 200f88f0e451..09acf3853a77 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -20,8 +20,8 @@ #include <linux/pfn_t.h> #include <linux/uio.h> #include <linux/dax.h> +#include <linux/io.h> #include <asm/extmem.h> -#include <asm/io.h> #define DCSSBLK_NAME "dcssblk" #define DCSSBLK_MINORS_PER_DISK 1 @@ -54,7 +54,8 @@ static int dcssblk_dax_zero_page_range(struct dax_device *dax_dev, rc = dax_direct_access(dax_dev, pgoff, nr_pages, DAX_ACCESS, &kaddr, NULL); if (rc < 0) - return rc; + return dax_mem2blk_err(rc); + memset(kaddr, 0, nr_pages << PAGE_SHIFT); dax_flush(dax_dev, kaddr, nr_pages << PAGE_SHIFT); return 0; |