/* -*- mode: c; c-basic-offset: 8; -*-
 * vim: noexpandtab sw=8 ts=8 sts=0:
 *
 *  linux/cluster/ssi/cfs/symlink.c
 *
 *	This program is free software; you can redistribute it and/or
 *	modify it under the terms of the GNU General Public License as
 *	published by the Free Software Foundation; either version 2 of
 *	the License, or (at your option) any later version.
 *
 *	This program is distributed in the hope that it will be useful,
 *	but WITHOUT ANY WARRANTY; without even the implied warranty of
 *	MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE
 *	or NON INFRINGEMENT.  See the GNU General Public License for more
 *	details.
 *
 * 	You should have received a copy of the GNU General Public License
 * 	along with this program; if not, write to the Free Software
 * 	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *	Questions/Comments/Bugfixes to ssic-linux-devel@lists.sourceforge.net
 *
 *  Copyright (C) 1992  Rick Sladkey
 *
 *  Optimization changes Copyright (C) 1994 Florian La Roche
 *
 *  Jun 7 1999, cache symlink lookups in the page cache.  -DaveM
 *
 *  Portions Copyright (C) 2001 Compaq Computer Corporation
 *
 *  ocfs2 symlink handling code.
 *
 *  Copyright (C) 2004, 2005 Oracle.
 *
 */

#include <linux/fs.h>
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/pagemap.h>
#include <linux/namei.h>

#include <cluster/masklog.h>

#include "ocfs2.h"

#include "alloc.h"
#include "file.h"
#include "inode.h"
#include "journal.h"
#include "symlink.h"
#include "xattr.h"

#include "buffer_head_io.h"


static int ocfs2_fast_symlink_readpage(struct file *unused, struct page *page)
{
	struct inode *inode = page->mapping->host;
	struct buffer_head *bh = NULL;
	int status = ocfs2_read_inode_block(inode, &bh);
	struct ocfs2_dinode *fe;
	const char *link;
	void *kaddr;
	size_t len;

	if (status < 0) {
		mlog_errno(status);
		return status;
	}

	fe = (struct ocfs2_dinode *) bh->b_data;
	link = (char *) fe->id2.i_symlink;
	/* will be less than a page size */
	len = strnlen(link, ocfs2_fast_symlink_chars(inode->i_sb));
	kaddr = kmap_atomic(page);
	memcpy(kaddr, link, len + 1);
	kunmap_atomic(kaddr);
	SetPageUptodate(page);
	unlock_page(page);
	brelse(bh);
	return 0;
}

const struct address_space_operations ocfs2_fast_symlink_aops = {
	.readpage		= ocfs2_fast_symlink_readpage,
};

const struct inode_operations ocfs2_symlink_inode_operations = {
	.get_link	= page_get_link,
	.getattr	= ocfs2_getattr,
	.setattr	= ocfs2_setattr,
	.listxattr	= ocfs2_listxattr,
	.fiemap		= ocfs2_fiemap,
};
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include?id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>include</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/trace?id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>trace</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events?id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>events</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/hswadsp.h?id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>hswadsp.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='2b1d530cb3157f828fcaadd259613f59db3c6d1c'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Kalle Valo &lt;kvalo@codeaurora.org&gt;</td><td class='right'>2017-01-27 14:19:25 +0200</td></tr>
<tr><th>committer</th><td>Kalle Valo &lt;kvalo@codeaurora.org&gt;</td><td class='right'>2017-01-28 09:15:50 +0200</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/hswadsp.h?id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>2b1d530cb3157f828fcaadd259613f59db3c6d1c</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/trace/events/hswadsp.h?id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>fb5dfe8f2e6956f54377c7275f330cd158ead259</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/trace/events/hswadsp.h?id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>include/trace/events/hswadsp.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/hswadsp.h?id=bd19b5ab1da654de456e102250822ec06311d6ad'>bd19b5ab1da654de456e102250822ec06311d6ad</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/trace/events/hswadsp.h?id=2b1d530cb3157f828fcaadd259613f59db3c6d1c&amp;id2=bd19b5ab1da654de456e102250822ec06311d6ad'>diff</a>)</td></tr></table>
<div class='commit-subject'>MAINTAINERS: ath9k-devel is closed</div><div class='commit-msg'>ath9k-devel list is now closed, only linux-wireless should be used.

Reported-by: Michael Renzmann &lt;mrenzmann@madwifi-project.org&gt;
Signed-off-by: Kalle Valo &lt;kvalo@codeaurora.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>Diffstat</a> (limited to 'include/trace/events/hswadsp.h')</div><table summary='diffstat' class='diffstat'>