mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
synced 2026-10-30 13:52:50 +01:00
Matthew Wilcox (Oracle)
5641371fd0
Remove accesses to page->index and page->mapping. Also use folio APIs where available. This code still assumes order 0 folios. [[email protected]: fix a NULL vs IS_ERR() bug] Link: https://lkml.kernel.org/r/[email protected] Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Matthew Wilcox (Oracle) <[email protected]> Signed-off-by: Dan Carpenter <[email protected]> Cc: Phillip Lougher <[email protected]> Cc: Dan Carpenter <[email protected]> Signed-off-by: Andrew Morton <[email protected]>
37 lines
891 B
C
37 lines
891 B
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2013
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* Phillip Lougher <[email protected]>
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*/
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#include <linux/fs.h>
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#include <linux/vfs.h>
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#include <linux/kernel.h>
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#include <linux/slab.h>
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#include <linux/string.h>
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#include <linux/pagemap.h>
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#include <linux/mutex.h>
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#include "squashfs_fs.h"
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#include "squashfs_fs_sb.h"
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#include "squashfs_fs_i.h"
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#include "squashfs.h"
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/* Read separately compressed datablock and memcopy into page cache */
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int squashfs_readpage_block(struct folio *folio, u64 block, int bsize, int expected)
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{
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struct inode *i = folio->mapping->host;
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struct squashfs_cache_entry *buffer = squashfs_get_datablock(i->i_sb,
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block, bsize);
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int res = buffer->error;
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if (res)
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ERROR("Unable to read page, block %llx, size %x\n", block,
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bsize);
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else
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squashfs_copy_cache(folio, buffer, expected, 0);
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squashfs_cache_put(buffer);
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return res;
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}
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