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mm, fs: reduce fault, page_mkwrite, and pfn_mkwrite to take only vmf

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->fault(), ->page_mkwrite(), and ->pfn_mkwrite() calls do not need to
take a vma and vmf parameter when the vma already resides in vmf.

Remove the vma parameter to simplify things.

[arnd@arndb.de: fix ARM build]
  Link: http://lkml.kernel.org/r/20170125223558.1451224-1-arnd@arndb.de
Link: http://lkml.kernel.org/r/148521301778.19116.10840599906674778980.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Darrick J. Wong <darrick.wong@oracle.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Jan Kara <jack@suse.com>
Cc: Dan Williams <dan.j.williams@intel.com>
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
2017-02-24 14:56:41 -08:00
committed by Linus Torvalds
parent 374ad05ab6
commit 11bac80004
87 changed files with 283 additions and 290 deletions
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9
fs/ext4/inode.c
View File

@@ -5821,8 +5821,9 @@ static int ext4_bh_unmapped(handle_t *handle, struct buffer_head *bh)
return !buffer_mapped(bh);
}
int ext4_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
int ext4_page_mkwrite(struct vm_fault *vmf)
{
struct vm_area_struct *vma = vmf->vma;
struct page *page = vmf->page;
loff_t size;
unsigned long len;
@@ -5912,13 +5913,13 @@ out:
return ret;
}
int ext4_filemap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
int ext4_filemap_fault(struct vm_fault *vmf)
{
struct inode *inode = file_inode(vma->vm_file);
struct inode *inode = file_inode(vmf->vma->vm_file);
int err;
down_read(&EXT4_I(inode)->i_mmap_sem);
err = filemap_fault(vma, vmf);
err = filemap_fault(vmf);
up_read(&EXT4_I(inode)->i_mmap_sem);
return err;