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fs: ext4: add new return type vm_fault_t

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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 1c8f422059 ("mm: change return type to vm_fault_t")

Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Matthew Wilcox <mawilcox@microsoft.com>
This commit is contained in:
Souptick Joarder 2018-05-13 16:01:49 -04:00 committed by Theodore Ts'o
parent 2ee3ee06a8
commit 71fe989961
1 changed files with 4 additions and 3 deletions
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7
fs/ext4/file.c
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@ -277,10 +277,11 @@ out:
}
#ifdef CONFIG_FS_DAX
static int ext4_dax_huge_fault(struct vm_fault *vmf,
static vm_fault_t ext4_dax_huge_fault(struct vm_fault *vmf,
enum page_entry_size pe_size)
{
int result, error = 0;
int error = 0;
vm_fault_t result;
int retries = 0;
handle_t *handle = NULL;
struct inode *inode = file_inode(vmf->vma->vm_file);
@ -335,7 +336,7 @@ retry:
return result;
}
static int ext4_dax_fault(struct vm_fault *vmf)
static vm_fault_t ext4_dax_fault(struct vm_fault *vmf)
{
return ext4_dax_huge_fault(vmf, PE_SIZE_PTE);
}