/*
 * Copyright (C) 2012 Fusion-io  All rights reserved.
 * Copyright (C) 2012 Intel Corp. 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 v2 as published by the Free Software Foundation.
 *
 * 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.  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., 59 Temple Place - Suite 330,
 * Boston, MA 021110-1307, USA.
 */

#ifndef __BTRFS_RAID56__
#define __BTRFS_RAID56__
static inline int nr_parity_stripes(struct map_lookup *map)
{
	if (map->type & BTRFS_BLOCK_GROUP_RAID5)
		return 1;
	else if (map->type & BTRFS_BLOCK_GROUP_RAID6)
		return 2;
	else
		return 0;
}

static inline int nr_data_stripes(struct map_lookup *map)
{
	return map->num_stripes - nr_parity_stripes(map);
}
#define RAID5_P_STRIPE ((u64)-2)
#define RAID6_Q_STRIPE ((u64)-1)

#define is_parity_stripe(x) (((x) == RAID5_P_STRIPE) ||		\
			     ((x) == RAID6_Q_STRIPE))

struct btrfs_raid_bio;
struct btrfs_device;

int raid56_parity_recover(struct btrfs_fs_info *fs_info, struct bio *bio,
			  struct btrfs_bio *bbio, u64 stripe_len,
			  int mirror_num, int generic_io);
int raid56_parity_write(struct btrfs_fs_info *fs_info, struct bio *bio,
			       struct btrfs_bio *bbio, u64 stripe_len);

void raid56_add_scrub_pages(struct btrfs_raid_bio *rbio, struct page *page,
			    u64 logical);

struct btrfs_raid_bio *
raid56_parity_alloc_scrub_rbio(struct btrfs_fs_info *fs_info, struct bio *bio,
			       struct btrfs_bio *bbio, u64 stripe_len,
			       struct btrfs_device *scrub_dev,
			       unsigned long *dbitmap, int stripe_nsectors);
void raid56_parity_submit_scrub_rbio(struct btrfs_raid_bio *rbio);

struct btrfs_raid_bio *
raid56_alloc_missing_rbio(struct btrfs_fs_info *fs_info, struct bio *bio,
			  struct btrfs_bio *bbio, u64 length);
void raid56_submit_missing_rbio(struct btrfs_raid_bio *rbio);

int btrfs_alloc_stripe_hash_table(struct btrfs_fs_info *info);
void btrfs_free_stripe_hash_table(struct btrfs_fs_info *info);
#endif
t type='hidden' name='id' value='fc6f41ba8b2e705f91324db158c3cc28209a15b1'/><select name='qt'>
<option value='grep'>log msg</option>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=fc6f41ba8b2e705f91324db158c3cc28209a15b1'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers?id=fc6f41ba8b2e705f91324db158c3cc28209a15b1'>drivers</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb?id=fc6f41ba8b2e705f91324db158c3cc28209a15b1'>usb</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget?id=fc6f41ba8b2e705f91324db158c3cc28209a15b1'>gadget</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/udc?id=fc6f41ba8b2e705f91324db158c3cc28209a15b1'>udc</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/udc/omap_udc.c?id=fc6f41ba8b2e705f91324db158c3cc28209a15b1'>omap_udc.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='fc6f41ba8b2e705f91324db158c3cc28209a15b1'/><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'>2017-02-10 14:35:22 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-02-10 14:35:22 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/udc/omap_udc.c?id=fc6f41ba8b2e705f91324db158c3cc28209a15b1'>fc6f41ba8b2e705f91324db158c3cc28209a15b1</a> (<a href='/cgit.cgi/linux/net-next.git/patch/drivers/usb/gadget/udc/omap_udc.c?id=fc6f41ba8b2e705f91324db158c3cc28209a15b1'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=fc6f41ba8b2e705f91324db158c3cc28209a15b1'>567bede1cc6bd9f2dec3a3dc85e908e02557da2e</a> /<a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/gadget/udc/omap_udc.c?id=fc6f41ba8b2e705f91324db158c3cc28209a15b1'>drivers/usb/gadget/udc/omap_udc.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/udc/omap_udc.c?id=1f369d1655c1de415a186c6ce9004e40ca790989'>1f369d1655c1de415a186c6ce9004e40ca790989</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/gadget/udc/omap_udc.c?id=fc6f41ba8b2e705f91324db158c3cc28209a15b1&amp;id2=1f369d1655c1de415a186c6ce9004e40ca790989'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/udc/omap_udc.c?id=5cad24d835772f9f709971a8d6fcf12afe53b2a7'>5cad24d835772f9f709971a8d6fcf12afe53b2a7</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/gadget/udc/omap_udc.c?id=fc6f41ba8b2e705f91324db158c3cc28209a15b1&amp;id2=5cad24d835772f9f709971a8d6fcf12afe53b2a7'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge tag 'mmc-v4.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc</div><div class='commit-msg'>Pull MMC host fix from Ulf Hansson:
 "mmci: Fix hang while waiting for busy-end interrupt"

* tag 'mmc-v4.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
  mmc: mmci: avoid clearing ST Micro busy end interrupt mistakenly
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=fc6f41ba8b2e705f91324db158c3cc28209a15b1'>Diffstat</a> (limited to 'drivers/usb/gadget/udc/omap_udc.c')</div><table summary='diffstat' class='diffstat'>