{
ClearPagePrivate(page);
set_page_private(page, 0);
- page_cache_release(page);
+ put_page(page);
}
static void buffer_io_error(struct buffer_head *bh, char *msg)
struct page *page;
int all_mapped = 1;
- index = block >> (PAGE_CACHE_SHIFT - bd_inode->i_blkbits);
+ index = block >> (PAGE_SHIFT - bd_inode->i_blkbits);
page = find_get_page_flags(bd_mapping, index, FGP_ACCESSED);
if (!page)
goto out;
}
out_unlock:
spin_unlock(&bd_mapping->private_lock);
- page_cache_release(page);
+ put_page(page);
out:
return ret;
}
ret = (block < end_block) ? 1 : -ENXIO;
failed:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return ret;
}
/*
* Check for overflow
*/
- BUG_ON(stop > PAGE_CACHE_SIZE || stop < length);
+ BUG_ON(stop > PAGE_SIZE || stop < length);
head = page_buffers(page);
bh = head;
blocksize = bh->b_size;
bbits = block_size_bits(blocksize);
- block = (sector_t)page->index << (PAGE_CACHE_SHIFT - bbits);
+ block = (sector_t)page->index << (PAGE_SHIFT - bbits);
last_block = (i_size_read(inode) - 1) >> bbits;
/*
int __block_write_begin(struct page *page, loff_t pos, unsigned len,
get_block_t *get_block)
{
- unsigned from = pos & (PAGE_CACHE_SIZE - 1);
+ unsigned from = pos & (PAGE_SIZE - 1);
unsigned to = from + len;
struct inode *inode = page->mapping->host;
unsigned block_start, block_end;
struct buffer_head *bh, *head, *wait[2], **wait_bh=wait;
BUG_ON(!PageLocked(page));
- BUG_ON(from > PAGE_CACHE_SIZE);
- BUG_ON(to > PAGE_CACHE_SIZE);
+ BUG_ON(from > PAGE_SIZE);
+ BUG_ON(to > PAGE_SIZE);
BUG_ON(from > to);
head = create_page_buffers(page, inode, 0);
blocksize = head->b_size;
bbits = block_size_bits(blocksize);
- block = (sector_t)page->index << (PAGE_CACHE_SHIFT - bbits);
+ block = (sector_t)page->index << (PAGE_SHIFT - bbits);
for(bh = head, block_start = 0; bh != head || !block_start;
block++, block_start=block_end, bh = bh->b_this_page) {
int block_write_begin(struct address_space *mapping, loff_t pos, unsigned len,
unsigned flags, struct page **pagep, get_block_t *get_block)
{
- pgoff_t index = pos >> PAGE_CACHE_SHIFT;
+ pgoff_t index = pos >> PAGE_SHIFT;
struct page *page;
int status;
status = __block_write_begin(page, pos, len, get_block);
if (unlikely(status)) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
page = NULL;
}
struct inode *inode = mapping->host;
unsigned start;
- start = pos & (PAGE_CACHE_SIZE - 1);
+ start = pos & (PAGE_SIZE - 1);
if (unlikely(copied < len)) {
/*
}
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
if (old_size < pos)
pagecache_isize_extended(inode, old_size, pos);
head = page_buffers(page);
blocksize = head->b_size;
- to = min_t(unsigned, PAGE_CACHE_SIZE - from, count);
+ to = min_t(unsigned, PAGE_SIZE - from, count);
to = from + to;
- if (from < blocksize && to > PAGE_CACHE_SIZE - blocksize)
+ if (from < blocksize && to > PAGE_SIZE - blocksize)
return 0;
bh = head;
blocksize = head->b_size;
bbits = block_size_bits(blocksize);
- iblock = (sector_t)page->index << (PAGE_CACHE_SHIFT - bbits);
+ iblock = (sector_t)page->index << (PAGE_SHIFT - bbits);
lblock = (i_size_read(inode)+blocksize-1) >> bbits;
bh = head;
nr = 0;
unsigned zerofrom, offset, len;
int err = 0;
- index = pos >> PAGE_CACHE_SHIFT;
- offset = pos & ~PAGE_CACHE_MASK;
+ index = pos >> PAGE_SHIFT;
+ offset = pos & ~PAGE_MASK;
- while (index > (curidx = (curpos = *bytes)>>PAGE_CACHE_SHIFT)) {
- zerofrom = curpos & ~PAGE_CACHE_MASK;
+ while (index > (curidx = (curpos = *bytes)>>PAGE_SHIFT)) {
+ zerofrom = curpos & ~PAGE_MASK;
if (zerofrom & (blocksize-1)) {
*bytes |= (blocksize-1);
(*bytes)++;
}
- len = PAGE_CACHE_SIZE - zerofrom;
+ len = PAGE_SIZE - zerofrom;
err = pagecache_write_begin(file, mapping, curpos, len,
AOP_FLAG_UNINTERRUPTIBLE,
/* page covers the boundary, find the boundary offset */
if (index == curidx) {
- zerofrom = curpos & ~PAGE_CACHE_MASK;
+ zerofrom = curpos & ~PAGE_MASK;
/* if we will expand the thing last block will be filled */
if (offset <= zerofrom) {
goto out;
if (err)
return err;
- zerofrom = *bytes & ~PAGE_CACHE_MASK;
+ zerofrom = *bytes & ~PAGE_MASK;
if (pos+len > *bytes && zerofrom & (blocksize-1)) {
*bytes |= (blocksize-1);
(*bytes)++;
}
/* page is wholly or partially inside EOF */
- if (((page->index + 1) << PAGE_CACHE_SHIFT) > size)
- end = size & ~PAGE_CACHE_MASK;
+ if (((page->index + 1) << PAGE_SHIFT) > size)
+ end = size & ~PAGE_MASK;
else
- end = PAGE_CACHE_SIZE;
+ end = PAGE_SIZE;
ret = __block_write_begin(page, 0, end, get_block);
if (!ret)
int ret = 0;
int is_mapped_to_disk = 1;
- index = pos >> PAGE_CACHE_SHIFT;
- from = pos & (PAGE_CACHE_SIZE - 1);
+ index = pos >> PAGE_SHIFT;
+ from = pos & (PAGE_SIZE - 1);
to = from + len;
page = grab_cache_page_write_begin(mapping, index, flags);
goto out_release;
}
- block_in_file = (sector_t)page->index << (PAGE_CACHE_SHIFT - blkbits);
+ block_in_file = (sector_t)page->index << (PAGE_SHIFT - blkbits);
/*
* We loop across all blocks in the page, whether or not they are
* page is fully mapped-to-disk.
*/
for (block_start = 0, block_in_page = 0, bh = head;
- block_start < PAGE_CACHE_SIZE;
+ block_start < PAGE_SIZE;
block_in_page++, block_start += blocksize, bh = bh->b_this_page) {
int create;
out_release:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
*pagep = NULL;
return ret;
}
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
while (head) {
bh = head;
{
struct inode * const inode = page->mapping->host;
loff_t i_size = i_size_read(inode);
- const pgoff_t end_index = i_size >> PAGE_CACHE_SHIFT;
+ const pgoff_t end_index = i_size >> PAGE_SHIFT;
unsigned offset;
int ret;
goto out;
/* Is the page fully outside i_size? (truncate in progress) */
- offset = i_size & (PAGE_CACHE_SIZE-1);
+ offset = i_size & (PAGE_SIZE-1);
if (page->index >= end_index+1 || !offset) {
/*
* The page may have dirty, unmapped buffers. For example,
* the page size, the remaining memory is zeroed when mapped, and
* writes to that region are not written out to the file."
*/
- zero_user_segment(page, offset, PAGE_CACHE_SIZE);
+ zero_user_segment(page, offset, PAGE_SIZE);
out:
ret = mpage_writepage(page, get_block, wbc);
if (ret == -EAGAIN)
int nobh_truncate_page(struct address_space *mapping,
loff_t from, get_block_t *get_block)
{
- pgoff_t index = from >> PAGE_CACHE_SHIFT;
- unsigned offset = from & (PAGE_CACHE_SIZE-1);
+ pgoff_t index = from >> PAGE_SHIFT;
+ unsigned offset = from & (PAGE_SIZE-1);
unsigned blocksize;
sector_t iblock;
unsigned length, pos;
return 0;
length = blocksize - length;
- iblock = (sector_t)index << (PAGE_CACHE_SHIFT - inode->i_blkbits);
+ iblock = (sector_t)index << (PAGE_SHIFT - inode->i_blkbits);
page = grab_cache_page(mapping, index);
err = -ENOMEM;
if (page_has_buffers(page)) {
has_buffers:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return block_truncate_page(mapping, from, get_block);
}
if (!PageUptodate(page)) {
err = mapping->a_ops->readpage(NULL, page);
if (err) {
- page_cache_release(page);
+ put_page(page);
goto out;
}
lock_page(page);
unlock:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
out:
return err;
}
int block_truncate_page(struct address_space *mapping,
loff_t from, get_block_t *get_block)
{
- pgoff_t index = from >> PAGE_CACHE_SHIFT;
- unsigned offset = from & (PAGE_CACHE_SIZE-1);
+ pgoff_t index = from >> PAGE_SHIFT;
+ unsigned offset = from & (PAGE_SIZE-1);
unsigned blocksize;
sector_t iblock;
unsigned length, pos;
return 0;
length = blocksize - length;
- iblock = (sector_t)index << (PAGE_CACHE_SHIFT - inode->i_blkbits);
+ iblock = (sector_t)index << (PAGE_SHIFT - inode->i_blkbits);
page = grab_cache_page(mapping, index);
err = -ENOMEM;
unlock:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
out:
return err;
}
{
struct inode * const inode = page->mapping->host;
loff_t i_size = i_size_read(inode);
- const pgoff_t end_index = i_size >> PAGE_CACHE_SHIFT;
+ const pgoff_t end_index = i_size >> PAGE_SHIFT;
unsigned offset;
/* Is the page fully inside i_size? */
end_buffer_async_write);
/* Is the page fully outside i_size? (truncate in progress) */
- offset = i_size & (PAGE_CACHE_SIZE-1);
+ offset = i_size & (PAGE_SIZE-1);
if (page->index >= end_index+1 || !offset) {
/*
* The page may have dirty, unmapped buffers. For example,
* they may have been added in ext3_writepage(). Make them
* freeable here, so the page does not leak.
*/
- do_invalidatepage(page, 0, PAGE_CACHE_SIZE);
+ do_invalidatepage(page, 0, PAGE_SIZE);
unlock_page(page);
return 0; /* don't care */
}
* the page size, the remaining memory is zeroed when mapped, and
* writes to that region are not written out to the file."
*/
- zero_user_segment(page, offset, PAGE_CACHE_SIZE);
+ zero_user_segment(page, offset, PAGE_SIZE);
return __block_write_full_page(inode, page, get_block, wbc,
end_buffer_async_write);
}
projects / cascardo / linux.git / blobdiff