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From: David Howells <dhowells@redhat.com>
To: Ian Kent <raven@themaw.net>
Cc: dhowells@redhat.com,
	Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Oleg Nesterov <onestero@redhat.com>,
	Trond Myklebust <trond.myklebust@primarydata.com>,
	"J. Bruce Fields" <bfields@fieldses.org>,
	Benjamin Coddington <bcodding@redhat.com>,
	Al Viro <viro@ZenIV.linux.org.uk>,
	Jeff Layton <jeff.layton@primarydata.com>,
	"Eric W. Biederman" <ebiederm@xmission.com>
Subject: Re: [RFC PATCH 5 1/7] kmod - add workqueue service thread store
Date: Thu, 02 Apr 2015 13:43:31 +0100	[thread overview]
Message-ID: <18729.1427978611@warthog.procyon.org.uk> (raw)
In-Reply-To: <20150331031441.10464.24655.stgit@pluto.fritz.box>

Ian Kent <raven@themaw.net> wrote:

> +static struct umh_wq_entry *umh_wq_find_entry(int token)
> +{
> +	struct umh_wq_entry *this, *entry;
> +	struct hlist_head *bucket;
> +	unsigned int hash;
> +
> +	hash = hash_32((unsigned long) token, UMH_WQ_HASH_SHIFT);
> +	bucket = &umh_wq_hash[hash];
> +
> +	entry = ERR_PTR(-ENOENT);
> +	if (hlist_empty(bucket))
> +		goto out;
> +
> +	hlist_for_each_entry(this, bucket, umh_wq_hlist) {
> +		if (this->token == token) {
> +			entry = this;
> +			break;
> +		}
> +	}
> +out:
> +	return entry;
> +}

Can "struct umh_wq_entry *" be used as the token?

David

  parent reply	other threads:[~2015-04-02 12:43 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-31  3:14 [RFC PATCH v5 0/7] Another attempt at contained helper execution Ian Kent
2015-03-31  3:14 ` [RFC PATCH 5 1/7] kmod - add workqueue service thread store Ian Kent
2015-03-31 11:21   ` Jeff Layton
2015-03-31 12:59     ` Ian Kent
2015-03-31  3:14 ` [RFC PATCH 5 2/7] kmod - teach usermodehelper to use service workqueues Ian Kent
2015-03-31  3:14 ` [RFC PATCH 5 3/7] nfsd - use service thread if not executing in init namespace Ian Kent
2015-03-31 13:14   ` J. Bruce Fields
2015-04-01  0:22     ` Ian Kent
2015-04-02 15:59       ` J. Bruce Fields
2015-03-31  3:15 ` [RFC PATCH 5 4/7] nfs - cache_lib " Ian Kent
2015-03-31  3:15 ` [RFC PATCH 5 5/7] nfs - objlayout " Ian Kent
2015-03-31  3:15 ` [RFC PATCH 5 6/7] KEYS - use correct memory allocation flag in call_usermodehelper_keys() Ian Kent
2015-03-31  3:15 ` [RFC PATCH 5 7/7] KEYS: exec request key within service thread of key creator Ian Kent
2015-04-02 12:43 ` David Howells [this message]
2015-04-07  0:42   ` [RFC PATCH 5 1/7] kmod - add workqueue service thread store Ian Kent
2015-04-02 12:58 ` [RFC PATCH 5 7/7] KEYS: exec request key within service thread of key creator David Howells
2015-04-07  0:54   ` Ian Kent
2015-04-02 13:00 ` [RFC PATCH 5 6/7] KEYS - use correct memory allocation flag in call_usermodehelper_keys() David Howells

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