The patch titled
Subject: fs/afs: use new return type vm_fault_t
has been added to the -mm tree. Its filename is
fs-afs-adding-new-return-type-vm_fault_t.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/fs-afs-adding-new-return-type-vm_fault_t.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/fs-afs-adding-new-return-type-vm_fault_t.patch
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------------------------------------------------------
From: Souptick Joarder <jrdr.linux@xxxxxxxxx>
Subject: fs/afs: use new return type vm_fault_t
Use new return type vm_fault_t for fault handler in struct
vm_operations_struct. 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.
See 1c8f422059ae ("mm: change return type to vm_fault_t") for reference.
Link: http://lkml.kernel.org/r/20180702152017.GA3780@jordon-HP-15-Notebook-PC
Signed-off-by: Souptick Joarder <jrdr.linux@xxxxxxxxx>
Reviewed-by: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx>
Cc: David Howells <dhowells@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/afs/internal.h | 3 ++-
fs/afs/write.c | 2 +-
2 files changed, 3 insertions(+), 2 deletions(-)
diff -puN fs/afs/internal.h~fs-afs-adding-new-return-type-vm_fault_t fs/afs/internal.h
--- a/fs/afs/internal.h~fs-afs-adding-new-return-type-vm_fault_t
+++ a/fs/afs/internal.h
@@ -21,6 +21,7 @@
#include <linux/fscache.h>
#include <linux/backing-dev.h>
#include <linux/uuid.h>
+#include <linux/mm_types.h>
#include <net/net_namespace.h>
#include <net/netns/generic.h>
#include <net/sock.h>
@@ -1075,7 +1076,7 @@ extern int afs_writepages(struct address
extern void afs_pages_written_back(struct afs_vnode *, struct afs_call *);
extern ssize_t afs_file_write(struct kiocb *, struct iov_iter *);
extern int afs_fsync(struct file *, loff_t, loff_t, int);
-extern int afs_page_mkwrite(struct vm_fault *);
+extern vm_fault_t afs_page_mkwrite(struct vm_fault *vmf);
extern void afs_prune_wb_keys(struct afs_vnode *);
extern int afs_launder_page(struct page *);
diff -puN fs/afs/write.c~fs-afs-adding-new-return-type-vm_fault_t fs/afs/write.c
--- a/fs/afs/write.c~fs-afs-adding-new-return-type-vm_fault_t
+++ a/fs/afs/write.c
@@ -753,7 +753,7 @@ int afs_fsync(struct file *file, loff_t
* notification that a previously read-only page is about to become writable
* - if it returns an error, the caller will deliver a bus error signal
*/
-int afs_page_mkwrite(struct vm_fault *vmf)
+vm_fault_t afs_page_mkwrite(struct vm_fault *vmf)
{
struct file *file = vmf->vma->vm_file;
struct inode *inode = file_inode(file);
_
Patches currently in -mm which might be from jrdr.linux@xxxxxxxxx are
fs-9p-adding-new-return-type-vm_fault_t.patch
mm-convert-return-type-of-handle_mm_fault-caller-to-vm_fault_t.patch
fs-proc-adding-new-typedef-vm_fault_t.patch
fs-nilfs2-adding-new-return-type-vm_fault_t.patch
fs-gfs2-adding-new-return-type-vm_fault_t.patch
hwtracing-intel_th-change-return-type-to-vm_fault_t.patch
fs-nfs-adding-new-return-type-vm_fault_t.patch
fs-afs-adding-new-return-type-vm_fault_t.patch
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