From: Davidlohr Bueso <dave@stgolabs.net>
To: Waiman Long <longman@redhat.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>,
Jan Kara <jack@suse.com>, Jeff Layton <jlayton@poochiereds.net>,
"J. Bruce Fields" <bfields@fieldses.org>,
Tejun Heo <tj@kernel.org>,
Christoph Lameter <cl@linux-foundation.org>,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Andi Kleen <andi@firstfloor.org>,
Dave Chinner <dchinner@redhat.com>,
Boqun Feng <boqun.feng@gmail.com>
Subject: Re: [PATCH v6 6/6] lib/dlock-list: Provide IRQ-safe APIs
Date: Wed, 4 Oct 2017 15:46:12 -0700 [thread overview]
Message-ID: <20171004224612.GF13815@linux-80c1.suse> (raw)
In-Reply-To: <1507152007-28753-7-git-send-email-longman@redhat.com>
On Wed, 04 Oct 2017, Waiman Long wrote:
>To enable the use of dlock-list in an interrupt handler, the following
>new APIs are provided for a irqsafe dlock-list:
>
> - void dlock_list_unlock_irqsafe(struct dlock_list_iter *)
> - void dlock_list_relock_irqsafe(struct dlock_list_iter *)
> - void dlock_list_add_irqsafe(struct dlock_list_node *,
> struct dlock_list_head *);
> - void dlock_lists_add_irqsafe(struct dlock_list_node *,
> struct dlock_list_heads *)
> - void dlock_lists_del_irqsafe(struct dlock_list_node *)
>
>New macros for irqsafe dlock-list:
>
> - dlist_for_each_entry_irqsafe(pos, iter, member)
> - dlist_for_each_entry_safe_irqsafe(pos, n, iter, member)
Instead of adding more calls to the api, could we not just use the
irqsave/restore as part of the regular api?
Thanks,
Davidlohr
next prev parent reply other threads:[~2017-10-04 22:46 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-04 21:20 [PATCH v6 0/6] vfs: Use dlock list for SB's s_inodes list Waiman Long
2017-10-04 21:20 ` [PATCH v6 1/6] lib/dlock-list: Distributed and lock-protected lists Waiman Long
2017-10-04 21:20 ` [PATCH v6 2/6] vfs: Remove unnecessary list_for_each_entry_safe() variants Waiman Long
2017-10-04 21:20 ` [PATCH v6 3/6] vfs: Use dlock list for superblock's inode list Waiman Long
2017-10-04 21:20 ` [PATCH v6 4/6] lib/dlock-list: Make sibling CPUs share the same linked list Waiman Long
2017-10-05 8:59 ` Jan Kara
2017-10-05 14:57 ` Waiman Long
2017-10-09 7:26 ` Jan Kara
2017-10-05 17:40 ` Davidlohr Bueso
2017-10-05 18:01 ` Waiman Long
2017-10-07 13:44 ` kbuild test robot
2017-10-07 14:38 ` kbuild test robot
2017-10-04 21:20 ` [PATCH v6 5/6] lib/dlock-list: Enable faster lookup with hashing Waiman Long
2017-10-05 9:14 ` Jan Kara
2017-10-05 11:06 ` Davidlohr Bueso
2017-10-04 21:20 ` [PATCH v6 6/6] lib/dlock-list: Provide IRQ-safe APIs Waiman Long
2017-10-04 22:46 ` Davidlohr Bueso [this message]
2017-10-05 13:40 ` Waiman Long
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