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authorDan Williams <dan.j.williams@intel.com>2016-02-24 23:02:11 +0100
committerVishal Verma <vishal.l.verma@intel.com>2016-05-18 20:16:56 +0200
commit0a70bd43053331d99881211e1d09f32de531432f (patch)
tree1f63c6ece9c22c30a99c19fd91a14dc1556dc7f6 /arch/powerpc
parentdax: fallback from pmd to pte on error (diff)
downloadlinux-0a70bd43053331d99881211e1d09f32de531432f.tar.xz
linux-0a70bd43053331d99881211e1d09f32de531432f.zip
dax: enable dax in the presence of known media errors (badblocks)
1/ If a mapping overlaps a bad sector fail the request. 2/ Do not opportunistically report more dax-capable capacity than is requested when errors present. Reviewed-by: Jeff Moyer <jmoyer@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Dan Williams <dan.j.williams@intel.com> [vishal: fix a conflict with system RAM collision patches] [vishal: add a 'size' parameter to ->direct_access] [vishal: fix a conflict with DAX alignment check patches] Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/sysdev/axonram.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/sysdev/axonram.c b/arch/powerpc/sysdev/axonram.c
index 0d112b94d91d..ff75d70f7285 100644
--- a/arch/powerpc/sysdev/axonram.c
+++ b/arch/powerpc/sysdev/axonram.c
@@ -143,7 +143,7 @@ axon_ram_make_request(struct request_queue *queue, struct bio *bio)
*/
static long
axon_ram_direct_access(struct block_device *device, sector_t sector,
- void __pmem **kaddr, pfn_t *pfn)
+ void __pmem **kaddr, pfn_t *pfn, long size)
{
struct axon_ram_bank *bank = device->bd_disk->private_data;
loff_t offset = (loff_t)sector << AXON_RAM_SECTOR_SHIFT;