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From: Souptick Joarder <>
Subject: [PATCH] include: dax: new-return-type-vm_fault_t
Date: Wed, 20 Jun 2018 22:50:46 +0530
Message-ID: <20180620172046.GA27894@jordon-HP-15-Notebook-PC> (raw)

Use new return type vm_fault_t for fault handler. For now,
this is just documenting that the function returns a VM_FAULT
value rather than an errno. Once all instances are converted,
vm_fault_t will become a distinct type.

commit 1c8f422059ae ("mm: change return type to vm_fault_t")

Signed-off-by: Souptick Joarder <>
 include/linux/dax.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/dax.h b/include/linux/dax.h
index 7fddea8..11852d2 100644
--- a/include/linux/dax.h
+++ b/include/linux/dax.h
@@ -122,7 +122,7 @@ size_t dax_copy_from_iter(struct dax_device *dax_dev, pgoff_t pgoff, void *addr,
 ssize_t dax_iomap_rw(struct kiocb *iocb, struct iov_iter *iter,
 		const struct iomap_ops *ops);
-int dax_iomap_fault(struct vm_fault *vmf, enum page_entry_size pe_size,
+vm_fault_t dax_iomap_fault(struct vm_fault *vmf, enum page_entry_size pe_size,
 		    pfn_t *pfnp, int *errp, const struct iomap_ops *ops);
 vm_fault_t dax_finish_sync_fault(struct vm_fault *vmf,
 		enum page_entry_size pe_size, pfn_t pfn);

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Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-20 17:20 Souptick Joarder [this message]
2018-06-20 17:21 ` Souptick Joarder
2018-06-20 17:27   ` Matthew Wilcox

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