#include <linux/gfp.h>
#include <linux/types.h>
#include <linux/radix-tree.h>
#include <linux/rcupdate.h>

struct item {
	unsigned long index;
	unsigned int order;
};

struct item *item_create(unsigned long index, unsigned int order);
int __item_insert(struct radix_tree_root *root, struct item *item);
int item_insert(struct radix_tree_root *root, unsigned long index);
int item_insert_order(struct radix_tree_root *root, unsigned long index,
			unsigned order);
int item_delete(struct radix_tree_root *root, unsigned long index);
struct item *item_lookup(struct radix_tree_root *root, unsigned long index);

void item_check_present(struct radix_tree_root *root, unsigned long index);
void item_check_absent(struct radix_tree_root *root, unsigned long index);
void item_gang_check_present(struct radix_tree_root *root,
			unsigned long start, unsigned long nr,
			int chunk, int hop);
void item_full_scan(struct radix_tree_root *root, unsigned long start,
			unsigned long nr, int chunk);
void item_kill_tree(struct radix_tree_root *root);

int tag_tagged_items(struct radix_tree_root *, pthread_mutex_t *,
			unsigned long start, unsigned long end, unsigned batch,
			unsigned iftag, unsigned thentag);
unsigned long find_item(struct radix_tree_root *, void *item);

void tag_check(void);
void multiorder_checks(void);
void iteration_test(unsigned order, unsigned duration);
void benchmark(void);

struct item *
item_tag_set(struct radix_tree_root *root, unsigned long index, int tag);
struct item *
item_tag_clear(struct radix_tree_root *root, unsigned long index, int tag);
int item_tag_get(struct radix_tree_root *root, unsigned long index, int tag);
void tree_verify_min_height(struct radix_tree_root *root, int maxindex);
void verify_tag_consistency(struct radix_tree_root *root, unsigned int tag);

extern int nr_allocated;

/* Normally private parts of lib/radix-tree.c */
struct radix_tree_node *entry_to_node(void *ptr);
void radix_tree_dump(struct radix_tree_root *root);
int root_tag_get(struct radix_tree_root *root, unsigned int tag);
unsigned long node_maxindex(struct radix_tree_node *);
unsigned long shift_maxindex(unsigned int shift);
int radix_tree_cpu_dead(unsigned int cpu);
struct radix_tree_preload {
	unsigned nr;
	struct radix_tree_node *nodes;
};
extern struct radix_tree_preload radix_tree_preloads;
gi/linux/net-next.git/log/include/rdma/ib_marshall.h'>
<input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='c3a2e8370534f810cac6050169db0ed3e0f94f0b'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&amp;id=c3a2e8370534f810cac6050169db0ed3e0f94f0b'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/include?h=nds-private-remove&amp;id=c3a2e8370534f810cac6050169db0ed3e0f94f0b'>include</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/rdma?h=nds-private-remove&amp;id=c3a2e8370534f810cac6050169db0ed3e0f94f0b'>rdma</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/rdma/ib_marshall.h?h=nds-private-remove&amp;id=c3a2e8370534f810cac6050169db0ed3e0f94f0b'>ib_marshall.h</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/include/rdma/ib_marshall.h?h=nds-private-remove&amp;id=c3a2e8370534f810cac6050169db0ed3e0f94f0b&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
ption><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>Christoph Hellwig &lt;hch@lst.de&gt;</td><td class='right'>2017-02-05 18:10:35 +0100</td></tr>
<tr><th>committer</th><td>Jens Axboe &lt;axboe@fb.com&gt;</td><td class='right'>2017-02-06 09:34:46 -0700</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/dt-bindings/pinctrl/stm32f746-pinfunc.h?id=eeeefd41843218c55a8782a6920f044d9bf6207a'>eeeefd41843218c55a8782a6920f044d9bf6207a</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/dt-bindings/pinctrl/stm32f746-pinfunc.h?id=eeeefd41843218c55a8782a6920f044d9bf6207a'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=eeeefd41843218c55a8782a6920f044d9bf6207a'>c342eac46626e62745aa8e1a982626efca8b121d</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/dt-bindings/pinctrl/stm32f746-pinfunc.h?id=eeeefd41843218c55a8782a6920f044d9bf6207a'>include/dt-bindings/pinctrl/stm32f746-pinfunc.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/dt-bindings/pinctrl/stm32f746-pinfunc.h?id=c14024dbb156c8392908aaa822097d27c6af8ec8'>c14024dbb156c8392908aaa822097d27c6af8ec8</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/dt-bindings/pinctrl/stm32f746-pinfunc.h?id=eeeefd41843218c55a8782a6920f044d9bf6207a&amp;id2=c14024dbb156c8392908aaa822097d27c6af8ec8'>diff</a>)</td></tr></table>
<div class='commit-subject'>block: don't try Write Same from __blkdev_issue_zeroout</div><div class='commit-msg'>Write Same can return an error asynchronously if it turns out the
underlying SCSI device does not support Write Same, which makes a
proper fallback to other methods in __blkdev_issue_zeroout impossible.
Thus only issue a Write Same from blkdev_issue_zeroout an don't try it
at all from __blkdev_issue_zeroout as a non-invasive workaround.

Signed-off-by: Christoph Hellwig &lt;hch@lst.de&gt;
Reported-by: Junichi Nomura &lt;j-nomura@ce.jp.nec.com&gt;
Fixes: e73c23ff ("block: add async variant of blkdev_issue_zeroout")
Tested-by: Junichi Nomura &lt;j-nomura@ce.jp.nec.com&gt;
Signed-off-by: Jens Axboe &lt;axboe@fb.com&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=eeeefd41843218c55a8782a6920f044d9bf6207a'>Diffstat</a> (limited to 'include/dt-bindings/pinctrl/stm32f746-pinfunc.h')</div><table summary='diffstat' class='diffstat'>