#ifdef __KERNEL__
# include <linux/crush/hash.h>
#else
# include "hash.h"
#endif

/*
 * Robert Jenkins' function for mixing 32-bit values
 * http://burtleburtle.net/bob/hash/evahash.html
 * a, b = random bits, c = input and output
 */
#define crush_hashmix(a, b, c) do {			\
		a = a-b;  a = a-c;  a = a^(c>>13);	\
		b = b-c;  b = b-a;  b = b^(a<<8);	\
		c = c-a;  c = c-b;  c = c^(b>>13);	\
		a = a-b;  a = a-c;  a = a^(c>>12);	\
		b = b-c;  b = b-a;  b = b^(a<<16);	\
		c = c-a;  c = c-b;  c = c^(b>>5);	\
		a = a-b;  a = a-c;  a = a^(c>>3);	\
		b = b-c;  b = b-a;  b = b^(a<<10);	\
		c = c-a;  c = c-b;  c = c^(b>>15);	\
	} while (0)

#define crush_hash_seed 1315423911

static __u32 crush_hash32_rjenkins1(__u32 a)
{
	__u32 hash = crush_hash_seed ^ a;
	__u32 b = a;
	__u32 x = 231232;
	__u32 y = 1232;
	crush_hashmix(b, x, hash);
	crush_hashmix(y, a, hash);
	return hash;
}

static __u32 crush_hash32_rjenkins1_2(__u32 a, __u32 b)
{
	__u32 hash = crush_hash_seed ^ a ^ b;
	__u32 x = 231232;
	__u32 y = 1232;
	crush_hashmix(a, b, hash);
	crush_hashmix(x, a, hash);
	crush_hashmix(b, y, hash);
	return hash;
}

static __u32 crush_hash32_rjenkins1_3(__u32 a, __u32 b, __u32 c)
{
	__u32 hash = crush_hash_seed ^ a ^ b ^ c;
	__u32 x = 231232;
	__u32 y = 1232;
	crush_hashmix(a, b, hash);
	crush_hashmix(c, x, hash);
	crush_hashmix(y, a, hash);
	crush_hashmix(b, x, hash);
	crush_hashmix(y, c, hash);
	return hash;
}

static __u32 crush_hash32_rjenkins1_4(__u32 a, __u32 b, __u32 c, __u32 d)
{
	__u32 hash = crush_hash_seed ^ a ^ b ^ c ^ d;
	__u32 x = 231232;
	__u32 y = 1232;
	crush_hashmix(a, b, hash);
	crush_hashmix(c, d, hash);
	crush_hashmix(a, x, hash);
	crush_hashmix(y, b, hash);
	crush_hashmix(c, x, hash);
	crush_hashmix(y, d, hash);
	return hash;
}

static __u32 crush_hash32_rjenkins1_5(__u32 a, __u32 b, __u32 c, __u32 d,
				      __u32 e)
{
	__u32 hash = crush_hash_seed ^ a ^ b ^ c ^ d ^ e;
	__u32 x = 231232;
	__u32 y = 1232;
	crush_hashmix(a, b, hash);
	crush_hashmix(c, d, hash);
	crush_hashmix(e, x, hash);
	crush_hashmix(y, a, hash);
	crush_hashmix(b, x, hash);
	crush_hashmix(y, c, hash);
	crush_hashmix(d, x, hash);
	crush_hashmix(y, e, hash);
	return hash;
}


__u32 crush_hash32(int type, __u32 a)
{
	switch (type) {
	case CRUSH_HASH_RJENKINS1:
		return crush_hash32_rjenkins1(a);
	default:
		return 0;
	}
}

__u32 crush_hash32_2(int type, __u32 a, __u32 b)
{
	switch (type) {
	case CRUSH_HASH_RJENKINS1:
		return crush_hash32_rjenkins1_2(a, b);
	default:
		return 0;
	}
}

__u32 crush_hash32_3(int type, __u32 a, __u32 b, __u32 c)
{
	switch (type) {
	case CRUSH_HASH_RJENKINS1:
		return crush_hash32_rjenkins1_3(a, b, c);
	default:
		return 0;
	}
}

__u32 crush_hash32_4(int type, __u32 a, __u32 b, __u32 c, __u32 d)
{
	switch (type) {
	case CRUSH_HASH_RJENKINS1:
		return crush_hash32_rjenkins1_4(a, b, c, d);
	default:
		return 0;
	}
}

__u32 crush_hash32_5(int type, __u32 a, __u32 b, __u32 c, __u32 d, __u32 e)
{
	switch (type) {
	case CRUSH_HASH_RJENKINS1:
		return crush_hash32_rjenkins1_5(a, b, c, d, e);
	default:
		return 0;
	}
}

const char *crush_hash_name(int type)
{
	switch (type) {
	case CRUSH_HASH_RJENKINS1:
		return "rjenkins1";
	default:
		return "unknown";
	}
}
e2cdc1de80120cf9ccd478ac57c3a3a0764b'/><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>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-02-08 09:56:15 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-02-08 09:56:15 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/unix/diag.c?id=23fbe2cdc1de80120cf9ccd478ac57c3a3a0764b'>23fbe2cdc1de80120cf9ccd478ac57c3a3a0764b</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/unix/diag.c?id=23fbe2cdc1de80120cf9ccd478ac57c3a3a0764b'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=23fbe2cdc1de80120cf9ccd478ac57c3a3a0764b'>4aff32d5f2f6fe2f54028bfd4d1b66fdd2f8d281</a> /<a href='/cgit.cgi/linux/net-next.git/tree/net/unix/diag.c?id=23fbe2cdc1de80120cf9ccd478ac57c3a3a0764b'>net/unix/diag.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/unix/diag.c?id=926af6273fc683cd98cd0ce7bf0d04a02eed6742'>926af6273fc683cd98cd0ce7bf0d04a02eed6742</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/unix/diag.c?id=23fbe2cdc1de80120cf9ccd478ac57c3a3a0764b&amp;id2=926af6273fc683cd98cd0ce7bf0d04a02eed6742'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/unix/diag.c?id=eeeefd41843218c55a8782a6920f044d9bf6207a'>eeeefd41843218c55a8782a6920f044d9bf6207a</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/unix/diag.c?id=23fbe2cdc1de80120cf9ccd478ac57c3a3a0764b&amp;id2=eeeefd41843218c55a8782a6920f044d9bf6207a'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge branch 'for-linus' of git://git.kernel.dk/linux-block</div><div class='commit-msg'>Pull block fix from Jens Axboe:
 "A single fix that should go into 4.10, fixing a regression on some
  devices with the WRITE_SAME command"

* 'for-linus' of git://git.kernel.dk/linux-block:
  block: don't try Write Same from __blkdev_issue_zeroout
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=23fbe2cdc1de80120cf9ccd478ac57c3a3a0764b'>Diffstat</a> (limited to 'net/unix/diag.c')</div><table summary='diffstat' class='diffstat'>