/*
 * Copyright (c) 2014 Red Hat, Inc.
 * All Rights Reserved.
 *
 * 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.
 *
 * This program is distributed in the hope that it would be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  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 the Free Software Foundation,
 * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
#ifndef __XFS_RMAP_BTREE_H__
#define __XFS_RMAP_BTREE_H__

struct xfs_buf;
struct xfs_btree_cur;
struct xfs_mount;

/* rmaps only exist on crc enabled filesystems */
#define XFS_RMAP_BLOCK_LEN	XFS_BTREE_SBLOCK_CRC_LEN

/*
 * Record, key, and pointer address macros for btree blocks.
 *
 * (note that some of these may appear unused, but they are used in userspace)
 */
#define XFS_RMAP_REC_ADDR(block, index) \
	((struct xfs_rmap_rec *) \
		((char *)(block) + XFS_RMAP_BLOCK_LEN + \
		 (((index) - 1) * sizeof(struct xfs_rmap_rec))))

#define XFS_RMAP_KEY_ADDR(block, index) \
	((struct xfs_rmap_key *) \
		((char *)(block) + XFS_RMAP_BLOCK_LEN + \
		 ((index) - 1) * 2 * sizeof(struct xfs_rmap_key)))

#define XFS_RMAP_HIGH_KEY_ADDR(block, index) \
	((struct xfs_rmap_key *) \
		((char *)(block) + XFS_RMAP_BLOCK_LEN + \
		 sizeof(struct xfs_rmap_key) + \
		 ((index) - 1) * 2 * sizeof(struct xfs_rmap_key)))

#define XFS_RMAP_PTR_ADDR(block, index, maxrecs) \
	((xfs_rmap_ptr_t *) \
		((char *)(block) + XFS_RMAP_BLOCK_LEN + \
		 (maxrecs) * 2 * sizeof(struct xfs_rmap_key) + \
		 ((index) - 1) * sizeof(xfs_rmap_ptr_t)))

struct xfs_btree_cur *xfs_rmapbt_init_cursor(struct xfs_mount *mp,
				struct xfs_trans *tp, struct xfs_buf *bp,
				xfs_agnumber_t agno);
int xfs_rmapbt_maxrecs(struct xfs_mount *mp, int blocklen, int leaf);
extern void xfs_rmapbt_compute_maxlevels(struct xfs_mount *mp);

extern xfs_extlen_t xfs_rmapbt_calc_size(struct xfs_mount *mp,
		unsigned long long len);
extern xfs_extlen_t xfs_rmapbt_max_size(struct xfs_mount *mp,
		xfs_agblock_t agblocks);

extern int xfs_rmapbt_calc_reserves(struct xfs_mount *mp,
		xfs_agnumber_t agno, xfs_extlen_t *ask, xfs_extlen_t *used);

#endif	/* __XFS_RMAP_BTREE_H__ */
or'>author</option>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=23fbe2cdc1de80120cf9ccd478ac57c3a3a0764b'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound?id=23fbe2cdc1de80120cf9ccd478ac57c3a3a0764b'>sound</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound/pci?id=23fbe2cdc1de80120cf9ccd478ac57c3a3a0764b'>pci</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound/pci/asihpi?id=23fbe2cdc1de80120cf9ccd478ac57c3a3a0764b'>asihpi</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound/pci/asihpi/hpioctl.c?id=23fbe2cdc1de80120cf9ccd478ac57c3a3a0764b'>hpioctl.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='23fbe2cdc1de80120cf9ccd478ac57c3a3a0764b'/><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/sound/pci/asihpi/hpioctl.c?id=23fbe2cdc1de80120cf9ccd478ac57c3a3a0764b'>23fbe2cdc1de80120cf9ccd478ac57c3a3a0764b</a> (<a href='/cgit.cgi/linux/net-next.git/patch/sound/pci/asihpi/hpioctl.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/sound/pci/asihpi/hpioctl.c?id=23fbe2cdc1de80120cf9ccd478ac57c3a3a0764b'>sound/pci/asihpi/hpioctl.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/pci/asihpi/hpioctl.c?id=926af6273fc683cd98cd0ce7bf0d04a02eed6742'>926af6273fc683cd98cd0ce7bf0d04a02eed6742</a> (<a href='/cgit.cgi/linux/net-next.git/diff/sound/pci/asihpi/hpioctl.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/sound/pci/asihpi/hpioctl.c?id=eeeefd41843218c55a8782a6920f044d9bf6207a'>eeeefd41843218c55a8782a6920f044d9bf6207a</a> (<a href='/cgit.cgi/linux/net-next.git/diff/sound/pci/asihpi/hpioctl.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 'sound/pci/asihpi/hpioctl.c')</div><table summary='diffstat' class='diffstat'>