The patch titled
Subject: dax-check-return-value-of-dax_radix_entry-v2
has been added to the -mm tree. Its filename is
dax-check-return-value-of-dax_radix_entry-v2.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/dax-check-return-value-of-dax_radix_entry-v2.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/dax-check-return-value-of-dax_radix_entry-v2.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>
Subject: dax-check-return-value-of-dax_radix_entry-v2
Signed-off-by: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxxxx>
Cc: Dave Chinner <david@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/dax.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff -puN fs/dax.c~dax-check-return-value-of-dax_radix_entry-v2 fs/dax.c
--- a/fs/dax.c~dax-check-return-value-of-dax_radix_entry-v2
+++ a/fs/dax.c
@@ -1068,9 +1068,11 @@ int dax_pfn_mkwrite(struct vm_area_struc
*/
error = dax_radix_entry(file->f_mapping, vmf->pgoff, NO_SECTOR, false,
true);
- if (error)
- return error;
+ if (error == -ENOMEM)
+ return VM_FAULT_OOM;
+ if (error)
+ return VM_FAULT_SIGBUS;
return VM_FAULT_NOPAGE;
}
EXPORT_SYMBOL_GPL(dax_pfn_mkwrite);
_
Patches currently in -mm which might be from ross.zwisler@xxxxxxxxxxxxxxx are
dax-check-return-value-of-dax_radix_entry.patch
dax-check-return-value-of-dax_radix_entry-v2.patch
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