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Commit c94c2acf authored by Matthew Wilcox's avatar Matthew Wilcox Committed by Linus Torvalds
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dax: move DAX-related functions to a new header 



In order to handle the !CONFIG_TRANSPARENT_HUGEPAGES case, we need to
return VM_FAULT_FALLBACK from the inlined dax_pmd_fault(), which is
defined in linux/mm.h.  Given that we don't want to include <linux/mm.h>
in <linux/fs.h>, the easiest solution is to move the DAX-related
functions to a new header, <linux/dax.h>.  We could also have moved
VM_FAULT_* definitions to a new header, or a different header that isn't
quite such a boil-the-ocean header as <linux/mm.h>, but this felt like
the best option.

Signed-off-by: default avatarMatthew Wilcox <willy@linux.intel.com>
Cc: Hillf Danton <dhillf@gmail.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent e1b9996b

fs/block_dev.c

+1 −0
Original line number Diff line number Diff line
@@ -28,6 +28,7 @@ 
#include <linux/namei.h>

#include <linux/log2.h>

#include <linux/cleancache.h>

#include <linux/dax.h>

#include <asm/uaccess.h>

#include "internal.h"

fs/ext2/file.c

+1 −0
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ 


#include <linux/time.h>

#include <linux/pagemap.h>

#include <linux/dax.h>

#include <linux/quotaops.h>

#include "ext2.h"

#include "xattr.h"

fs/ext2/inode.c

+1 −0
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ 
#include <linux/time.h>

#include <linux/highuid.h>

#include <linux/pagemap.h>

#include <linux/dax.h>

#include <linux/quotaops.h>

#include <linux/writeback.h>

#include <linux/buffer_head.h>

fs/ext4/file.c

+1 −0
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ 
#include <linux/fs.h>

#include <linux/mount.h>

#include <linux/path.h>

#include <linux/dax.h>

#include <linux/quotaops.h>

#include <linux/pagevec.h>

#include <linux/uio.h>

fs/ext4/indirect.c

+1 −0
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ 


#include "ext4_jbd2.h"

#include "truncate.h"

#include <linux/dax.h>

#include <linux/uio.h>



#include <trace/events/ext4.h>