From 11bac80004499ea59f361ef2a5516c84b6eab675 Mon Sep 17 00:00:00 2001 From: Dave Jiang Date: Fri, 24 Feb 2017 14:56:41 -0800 Subject: mm, fs: reduce fault, page_mkwrite, and pfn_mkwrite to take only vmf ->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 Signed-off-by: Arnd Bergmann Reviewed-by: Ross Zwisler Cc: Theodore Ts'o Cc: Darrick J. Wong Cc: Matthew Wilcox Cc: Dave Hansen Cc: Christoph Hellwig Cc: Jan Kara Cc: Dan Williams Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/xfs/xfs_file.c | 25 +++++++++++-------------- 1 file changed, 11 insertions(+), 14 deletions(-) (limited to 'fs/xfs/xfs_file.c') diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 022014016d80..9cc10136ba0b 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -1379,22 +1379,21 @@ xfs_file_llseek( */ STATIC int xfs_filemap_page_mkwrite( - struct vm_area_struct *vma, struct vm_fault *vmf) { - struct inode *inode = file_inode(vma->vm_file); + struct inode *inode = file_inode(vmf->vma->vm_file); int ret; trace_xfs_filemap_page_mkwrite(XFS_I(inode)); sb_start_pagefault(inode->i_sb); - file_update_time(vma->vm_file); + file_update_time(vmf->vma->vm_file); xfs_ilock(XFS_I(inode), XFS_MMAPLOCK_SHARED); if (IS_DAX(inode)) { - ret = dax_iomap_fault(vma, vmf, &xfs_iomap_ops); + ret = dax_iomap_fault(vmf, &xfs_iomap_ops); } else { - ret = iomap_page_mkwrite(vma, vmf, &xfs_iomap_ops); + ret = iomap_page_mkwrite(vmf, &xfs_iomap_ops); ret = block_page_mkwrite_return(ret); } @@ -1406,23 +1405,22 @@ xfs_filemap_page_mkwrite( STATIC int xfs_filemap_fault( - struct vm_area_struct *vma, struct vm_fault *vmf) { - struct inode *inode = file_inode(vma->vm_file); + struct inode *inode = file_inode(vmf->vma->vm_file); int ret; trace_xfs_filemap_fault(XFS_I(inode)); /* DAX can shortcut the normal fault path on write faults! */ if ((vmf->flags & FAULT_FLAG_WRITE) && IS_DAX(inode)) - return xfs_filemap_page_mkwrite(vma, vmf); + return xfs_filemap_page_mkwrite(vmf); xfs_ilock(XFS_I(inode), XFS_MMAPLOCK_SHARED); if (IS_DAX(inode)) - ret = dax_iomap_fault(vma, vmf, &xfs_iomap_ops); + ret = dax_iomap_fault(vmf, &xfs_iomap_ops); else - ret = filemap_fault(vma, vmf); + ret = filemap_fault(vmf); xfs_iunlock(XFS_I(inode), XFS_MMAPLOCK_SHARED); return ret; @@ -1471,11 +1469,10 @@ xfs_filemap_pmd_fault( */ static int xfs_filemap_pfn_mkwrite( - struct vm_area_struct *vma, struct vm_fault *vmf) { - struct inode *inode = file_inode(vma->vm_file); + struct inode *inode = file_inode(vmf->vma->vm_file); struct xfs_inode *ip = XFS_I(inode); int ret = VM_FAULT_NOPAGE; loff_t size; @@ -1483,7 +1480,7 @@ xfs_filemap_pfn_mkwrite( trace_xfs_filemap_pfn_mkwrite(ip); sb_start_pagefault(inode->i_sb); - file_update_time(vma->vm_file); + file_update_time(vmf->vma->vm_file); /* check if the faulting page hasn't raced with truncate */ xfs_ilock(ip, XFS_MMAPLOCK_SHARED); @@ -1491,7 +1488,7 @@ xfs_filemap_pfn_mkwrite( if (vmf->pgoff >= size) ret = VM_FAULT_SIGBUS; else if (IS_DAX(inode)) - ret = dax_pfn_mkwrite(vma, vmf); + ret = dax_pfn_mkwrite(vmf); xfs_iunlock(ip, XFS_MMAPLOCK_SHARED); sb_end_pagefault(inode->i_sb); return ret; -- cgit v1.2.3