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authorDave Jiang <dave.jiang@intel.com>2017-02-25 01:56:41 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-25 04:46:54 +0300
commit11bac80004499ea59f361ef2a5516c84b6eab675 (patch)
treeb971df98b3fa9d4e62b8f4f7b5ec950181df4daa /fs/ext4/inode.c
parent374ad05ab64d696303cec5cc8ec3a65d457b7b1c (diff)
downloadlinux-11bac80004499ea59f361ef2a5516c84b6eab675.tar.xz
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 <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>
Diffstat (limited to 'fs/ext4/inode.c')
-rw-r--r--fs/ext4/inode.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 75212a6e69f8..41d8e53e5a7f 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -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;