/*
 * This file contains all the stubs needed when communicating with lockd.
 * This level of indirection is necessary so we can run nfsd+lockd without
 * requiring the nfs client to be compiled in/loaded, and vice versa.
 *
 * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
 */

#include <linux/file.h>
#include <linux/lockd/bind.h>
#include "nfsd.h"
#include "vfs.h"

#define NFSDDBG_FACILITY		NFSDDBG_LOCKD

#ifdef CONFIG_LOCKD_V4
#define nlm_stale_fh	nlm4_stale_fh
#define nlm_failed	nlm4_failed
#else
#define nlm_stale_fh	nlm_lck_denied_nolocks
#define nlm_failed	nlm_lck_denied_nolocks
#endif
/*
 * Note: we hold the dentry use count while the file is open.
 */
static __be32
nlm_fopen(struct svc_rqst *rqstp, struct nfs_fh *f, struct file **filp)
{
	__be32		nfserr;
	struct svc_fh	fh;

	/* must initialize before using! but maxsize doesn't matter */
	fh_init(&fh,0);
	fh.fh_handle.fh_size = f->size;
	memcpy((char*)&fh.fh_handle.fh_base, f->data, f->size);
	fh.fh_export = NULL;

	nfserr = nfsd_open(rqstp, &fh, S_IFREG, NFSD_MAY_LOCK, filp);
	fh_put(&fh);
 	/* We return nlm error codes as nlm doesn't know
	 * about nfsd, but nfsd does know about nlm..
	 */
	switch (nfserr) {
	case nfs_ok:
		return 0;
	case nfserr_dropit:
		return nlm_drop_reply;
	case nfserr_stale:
		return nlm_stale_fh;
	default:
		return nlm_failed;
	}
}

static void
nlm_fclose(struct file *filp)
{
	fput(filp);
}

static const struct nlmsvc_binding nfsd_nlm_ops = {
	.fopen		= nlm_fopen,		/* open file for locking */
	.fclose		= nlm_fclose,		/* close file */
};

void
nfsd_lockd_init(void)
{
	dprintk("nfsd: initializing lockd\n");
	nlmsvc_ops = &nfsd_nlm_ops;
}

void
nfsd_lockd_shutdown(void)
{
	nlmsvc_ops = NULL;
}
efs/?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/include/trace/events/iommu.h'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/include/trace/events/iommu.h?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/iommu.h?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/include/trace/events/iommu.h?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/include/trace/events/iommu.h'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f'>include</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/trace?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f'>trace</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f'>events</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/iommu.h?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f'>iommu.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='2d5a7101a140adcf7a5d8677649847fbb2dd5a2f'/><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'>2017-01-15 12:38:53 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-15 12:38:53 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/iommu.h?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f'>2d5a7101a140adcf7a5d8677649847fbb2dd5a2f</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/trace/events/iommu.h?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f'>02e3532964dd4c42aa6ea2187fee67e6dfee36dd</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/trace/events/iommu.h?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f'>include/trace/events/iommu.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/iommu.h?id=7f138b9706f5f3528d598aefd35337d54a8c1afb'>7f138b9706f5f3528d598aefd35337d54a8c1afb</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/trace/events/iommu.h?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f&amp;id2=7f138b9706f5f3528d598aefd35337d54a8c1afb'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/iommu.h?id=c7334ce814f7e5d8fc1f9b3126cda0640c2f81b3'>c7334ce814f7e5d8fc1f9b3126cda0640c2f81b3</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/trace/events/iommu.h?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f&amp;id2=c7334ce814f7e5d8fc1f9b3126cda0640c2f81b3'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge tag 'driver-core-4.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core</div><div class='commit-msg'>Pull driver core fix from Greg KH:
 "Here is a single patch being reverted to remove a feature that was
  added in 4.10-rc1 that isn't quite ready for release.

  It will be redone as a debugfs file instead of a sysfs file in the
  future"

* tag 'driver-core-4.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  Revert "driver core: Add deferred_probe attribute to devices in sysfs"
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=2d5a7101a140adcf7a5d8677649847fbb2dd5a2f'>Diffstat</a> (limited to 'include/trace/events/iommu.h')</div><table summary='diffstat' class='diffstat'>