mirror of
https://github.com/torvalds/linux.git
synced 2025-10-31 16:48:26 +02:00
5641371fd0
Remove accesses to page->index and page->mapping. Also use folio APIs where available. This code still assumes order 0 folios. [dan.carpenter@linaro.org: fix a NULL vs IS_ERR() bug] Link: https://lkml.kernel.org/r/7b7f44d6-9153-4d7c-b65b-2d78febe6c7a@stanley.mountain Link: https://lkml.kernel.org/r/20241220224634.723899-4-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Cc: Phillip Lougher <phillip@squashfs.org.uk> Cc: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
36 lines
891 B
C
36 lines
891 B
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* Copyright (c) 2013
|
|
* Phillip Lougher <phillip@squashfs.org.uk>
|
|
*/
|
|
|
|
#include <linux/fs.h>
|
|
#include <linux/vfs.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/string.h>
|
|
#include <linux/pagemap.h>
|
|
#include <linux/mutex.h>
|
|
|
|
#include "squashfs_fs.h"
|
|
#include "squashfs_fs_sb.h"
|
|
#include "squashfs_fs_i.h"
|
|
#include "squashfs.h"
|
|
|
|
/* Read separately compressed datablock and memcopy into page cache */
|
|
int squashfs_readpage_block(struct folio *folio, u64 block, int bsize, int expected)
|
|
{
|
|
struct inode *i = folio->mapping->host;
|
|
struct squashfs_cache_entry *buffer = squashfs_get_datablock(i->i_sb,
|
|
block, bsize);
|
|
int res = buffer->error;
|
|
|
|
if (res)
|
|
ERROR("Unable to read page, block %llx, size %x\n", block,
|
|
bsize);
|
|
else
|
|
squashfs_copy_cache(folio, buffer, expected, 0);
|
|
|
|
squashfs_cache_put(buffer);
|
|
return res;
|
|
}
|