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fs: nfs: Adding 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 commit 1c8f422059 ("mm: change return type to
vm_fault_t") for reference.

Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Reviewed-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Souptick Joarder 2018-07-02 20:57:09 +05:30 committed by Anna Schumaker
parent 12b289cfac
commit 01a368441f
1 changed files with 2 additions and 2 deletions
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4
fs/nfs/file.c
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@ -532,13 +532,13 @@ const struct address_space_operations nfs_file_aops = {
* writable, implying that someone is about to modify the page through a
* shared-writable mapping
*/
static int nfs_vm_page_mkwrite(struct vm_fault *vmf)
static vm_fault_t nfs_vm_page_mkwrite(struct vm_fault *vmf)
{
struct page *page = vmf->page;
struct file *filp = vmf->vma->vm_file;
struct inode *inode = file_inode(filp);
unsigned pagelen;
int ret = VM_FAULT_NOPAGE;
vm_fault_t ret = VM_FAULT_NOPAGE;
struct address_space *mapping;
dfprintk(PAGECACHE, "NFS: vm_page_mkwrite(%pD2(%lu), offset %lld)\n",