The patch titled
Use page_cache_xxx in mm/filemap_xip.c
has been added to the -mm tree. Its filename is
use-page_cache_xxx-in-mm-filemap_xipc.patch
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See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: Use page_cache_xxx in mm/filemap_xip.c
From: Christoph Lameter <[EMAIL PROTECTED]>
Use page_cache_xxx in mm/filemap_xip.c
Reviewed-by: Dave Chinner <[EMAIL PROTECTED]>
Signed-off-by: Christoph Lameter <[EMAIL PROTECTED]>
Cc: Carsten Otte <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---
mm/filemap_xip.c | 28 ++++++++++++++--------------
1 file changed, 14 insertions(+), 14 deletions(-)
diff -puN mm/filemap_xip.c~use-page_cache_xxx-in-mm-filemap_xipc
mm/filemap_xip.c
--- a/mm/filemap_xip.c~use-page_cache_xxx-in-mm-filemap_xipc
+++ a/mm/filemap_xip.c
@@ -62,24 +62,24 @@ do_xip_mapping_read(struct address_space
BUG_ON(!mapping->a_ops->get_xip_page);
- index = *ppos >> PAGE_CACHE_SHIFT;
- offset = *ppos & ~PAGE_CACHE_MASK;
+ index = page_cache_index(mapping, *ppos);
+ offset = page_cache_offset(mapping, *ppos);
isize = i_size_read(inode);
if (!isize)
goto out;
- end_index = (isize - 1) >> PAGE_CACHE_SHIFT;
+ end_index = page_cache_index(mapping, isize - 1);
for (;;) {
struct page *page;
unsigned long nr, ret;
/* nr is the maximum number of bytes to copy from this page */
- nr = PAGE_CACHE_SIZE;
+ nr = page_cache_size(mapping);
if (index >= end_index) {
if (index > end_index)
goto out;
- nr = ((isize - 1) & ~PAGE_CACHE_MASK) + 1;
+ nr = page_cache_next(mapping, isize);
if (nr <= offset) {
goto out;
}
@@ -118,8 +118,8 @@ do_xip_mapping_read(struct address_space
*/
ret = actor(desc, page, offset, nr);
offset += ret;
- index += offset >> PAGE_CACHE_SHIFT;
- offset &= ~PAGE_CACHE_MASK;
+ index += page_cache_index(mapping, offset);
+ offset = page_cache_offset(mapping, offset);
if (ret == nr && desc->count)
continue;
@@ -132,7 +132,7 @@ no_xip_page:
}
out:
- *ppos = ((loff_t) index << PAGE_CACHE_SHIFT) + offset;
+ *ppos = page_cache_pos(mapping, index, offset);
if (filp)
file_accessed(filp);
}
@@ -221,7 +221,7 @@ static int xip_file_fault(struct vm_area
/* XXX: are VM_FAULT_ codes OK? */
- size = (i_size_read(inode) + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ size = page_cache_next(mapping, i_size_read(inode));
if (vmf->pgoff >= size)
return VM_FAULT_SIGBUS;
@@ -291,9 +291,9 @@ __xip_file_write(struct file *filp, cons
size_t copied;
char *kaddr;
- offset = (pos & (PAGE_CACHE_SIZE -1)); /* Within page */
- index = pos >> PAGE_CACHE_SHIFT;
- bytes = PAGE_CACHE_SIZE - offset;
+ offset = page_cache_offset(mapping, pos); /* Within page */
+ index = page_cache_index(mapping, pos);
+ bytes = page_cache_size(mapping) - offset;
if (bytes > count)
bytes = count;
@@ -404,8 +404,8 @@ EXPORT_SYMBOL_GPL(xip_file_write);
int
xip_truncate_page(struct address_space *mapping, loff_t from)
{
- pgoff_t index = from >> PAGE_CACHE_SHIFT;
- unsigned offset = from & (PAGE_CACHE_SIZE-1);
+ pgoff_t index = page_cache_index(mapping, from);
+ unsigned offset = page_cache_offset(mapping, from);
unsigned blocksize;
unsigned length;
struct page *page;
_
Patches currently in -mm which might be from [EMAIL PROTECTED] are
define-functions-for-page-cache-handling.patch
gregkh-driver-kset-move-sys-slab-to-sys-kernel-slab-slabinfo-fallback-from-sys-kernel-slab-to-sys-slab.patch
use-page_cache_xxx-in-fs-splicec.patch
git-unionfs.patch
use-page_cache_xxx-for-fs-xfs.patch
git-slub.patch
x86-cast-cmpxchg-and-cmpxchg_local-result-for-386-and-486.patch
remove-set_migrateflags.patch
use-page_cache_xxx-functions-in-mm-filemapc.patch
use-page_cache_xxx-in-mm-page-writebackc.patch
use-page_cache_xxx-in-mm-truncatec.patch
use-page_cache_xxx-in-mm-rmapc.patch
use-page_cache_xxx-in-mm-filemap_xipc.patch
use-page_cache_xxx-in-mm-migratec.patch
use-page_cache_xxx-in-fs-libfsc.patch
use-page_cache_xxx-in-fs-sync.patch
use-page_cache_xxx-in-fs-bufferc.patch
use-page_cache_xxx-in-mm-mpagec.patch
use-page_cache_xxx-in-mm-fadvisec.patch
use-page_cache_xxx-in-ext2.patch
use-page_cache_xxx-in-fs-ext3.patch
use-page_cache_xxx-in-fs-reiserfs.patch
use-page_cache_xxx-in-fs-ext4.patch
reiser4.patch
reiser4-portion-of-zero_user-cleanup-patch.patch
page-owner-tracking-leak-detector.patch
-
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