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mm, dax: change pmd_fault() to take only vmf parameter

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pmd_fault() and related functions really only need the vmf parameter since
the additional parameters are all included in the vmf struct.  Remove the
additional parameter and simplify pmd_fault() and friends.

Link: http://lkml.kernel.org/r/1484085142-2297-8-git-send-email-ross.zwisler@linux.intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Dave Jiang
2017-02-22 15:40:06 -08:00
committed by Linus Torvalds
parent d8a849e1bc
commit f42003917b
8 changed files with 74 additions and 85 deletions
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8
fs/ext4/file.c
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@@ -274,19 +274,19 @@ static int ext4_dax_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
}
static int
ext4_dax_pmd_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
ext4_dax_pmd_fault(struct vm_fault *vmf)
{
int result;
struct inode *inode = file_inode(vma->vm_file);
struct inode *inode = file_inode(vmf->vma->vm_file);
struct super_block *sb = inode->i_sb;
bool write = vmf->flags & FAULT_FLAG_WRITE;
if (write) {
sb_start_pagefault(sb);
file_update_time(vma->vm_file);
file_update_time(vmf->vma->vm_file);
}
down_read(&EXT4_I(inode)->i_mmap_sem);
result = dax_iomap_pmd_fault(vma, vmf, &ext4_iomap_ops);
result = dax_iomap_pmd_fault(vmf, &ext4_iomap_ops);
up_read(&EXT4_I(inode)->i_mmap_sem);
if (write)
sb_end_pagefault(sb);