/*
 * Copyright (c) 2013
 * Phillip Lougher <phillip@squashfs.org.uk>
 *
 * This work is licensed under the terms of the GNU GPL, version 2. See
 * the COPYING file in the top-level directory.
 */

#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 page *page, u64 block, int bsize)
{
	struct inode *i = page->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(page, buffer, buffer->length, 0);

	squashfs_cache_put(buffer);
	return res;
}
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<tr><th>author</th><td>Vitaly Wool &lt;vitalywool@gmail.com&gt;</td><td class='right'>2016-06-03 14:55:47 -0700</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-06-03 16:02:55 -0700</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?id=43afc19417ca92cf237095947f597f21d86fd2a7'>43afc19417ca92cf237095947f597f21d86fd2a7</a> (<a href='/cgit.cgi/linux/net-next.git/patch/?id=43afc19417ca92cf237095947f597f21d86fd2a7'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=43afc19417ca92cf237095947f597f21d86fd2a7'>a9976414d5dab53237a8b283aa5030b16a44adcb</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?id=3a06bb78ceeceacc86a1e31133a7944013f9775b'>3a06bb78ceeceacc86a1e31133a7944013f9775b</a> (<a href='/cgit.cgi/linux/net-next.git/diff/?id=43afc19417ca92cf237095947f597f21d86fd2a7&amp;id2=3a06bb78ceeceacc86a1e31133a7944013f9775b'>diff</a>)</td></tr></table>
<div class='commit-subject'>mm/z3fold.c: avoid modifying HEADLESS page and minor cleanup</div><div class='commit-msg'>Fix erroneous z3fold header access in a HEADLESS page in reclaim
function, and change one remaining direct handle-to-buddy conversion to
use the appropriate helper.

Link: http://lkml.kernel.org/r/5748706F.9020208@gmail.com
Signed-off-by: Vitaly Wool &lt;vitalywool@gmail.com&gt;
Reviewed-by: Dan Streetman &lt;ddstreet@ieee.org&gt;
Cc: Seth Jennings &lt;sjenning@redhat.com&gt;
Signed-off-by: Andrew Morton &lt;akpm@linux-foundation.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=43afc19417ca92cf237095947f597f21d86fd2a7'>Diffstat</a></div><table summary='diffstat' class='diffstat'>