/*
 * QNX4 file system, Linux implementation.
 *
 * Version : 0.2.1
 *
 * Using parts of the xiafs filesystem.
 *
 * History :
 *
 * 28-05-1998 by Richard Frowijn : first release.
 * 20-06-1998 by Frank Denis : basic optimisations.
 * 25-06-1998 by Frank Denis : qnx4_is_free, qnx4_set_bitmap, qnx4_bmap .
 * 28-06-1998 by Frank Denis : qnx4_free_inode (to be fixed) .
 */

#include <linux/buffer_head.h>
#include <linux/bitops.h>
#include "qnx4.h"

unsigned long qnx4_count_free_blocks(struct super_block *sb)
{
	int start = le32_to_cpu(qnx4_sb(sb)->BitMap->di_first_xtnt.xtnt_blk) - 1;
	int total = 0;
	int total_free = 0;
	int offset = 0;
	int size = le32_to_cpu(qnx4_sb(sb)->BitMap->di_size);
	struct buffer_head *bh;

	while (total < size) {
		int bytes = min(size - total, QNX4_BLOCK_SIZE);

		if ((bh = sb_bread(sb, start + offset)) == NULL) {
			printk(KERN_ERR "qnx4: I/O error in counting free blocks\n");
			break;
		}
		total_free += bytes * BITS_PER_BYTE -
				memweight(bh->b_data, bytes);
		brelse(bh);
		total += bytes;
		offset++;
	}

	return total_free;
}
anup'>emaclite-cleanup</option>
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<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
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<tr><th>author</th><td>Harsh Jain &lt;harsh@chelsio.com&gt;</td><td class='right'>2017-02-01 21:10:28 +0530</td></tr>
<tr><th>committer</th><td>Herbert Xu &lt;herbert@gondor.apana.org.au&gt;</td><td class='right'>2017-02-03 17:45:48 +0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/sched/ematch.c?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>0b529f143e8baad441a5aac9ad55ec2434d8fb46</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/sched/ematch.c?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>fd816e548e12745d4776ad0bd661bec142d3ea06</a> /<a href='/cgit.cgi/linux/net-next.git/tree/net/sched/ematch.c?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>net/sched/ematch.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/sched/ematch.c?id=c26819900036f5b91608051a0fc7c76f6b4ffc7b'>c26819900036f5b91608051a0fc7c76f6b4ffc7b</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/sched/ematch.c?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46&amp;id2=c26819900036f5b91608051a0fc7c76f6b4ffc7b'>diff</a>)</td></tr></table>
<div class='commit-subject'>crypto: algif_aead - Fix kernel panic on list_del</div><div class='commit-msg'>Kernel panics when userspace program try to access AEAD interface.
Remove node from Linked List before freeing its memory.

Cc: &lt;stable@vger.kernel.org&gt;
Signed-off-by: Harsh Jain &lt;harsh@chelsio.com&gt;
Reviewed-by: Stephan Müller &lt;smueller@chronox.de&gt;
Signed-off-by: Herbert Xu &lt;herbert@gondor.apana.org.au&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>Diffstat</a> (limited to 'net/sched/ematch.c')</div><table summary='diffstat' class='diffstat'>