From: Christoph Hellwig <hch@lst.de>
To: Ming Lei <ming.lei@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>,
linux-block@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
Nilay Shroff <nilay@linux.ibm.com>,
Shinichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Subject: Re: [PATCH 1/7] block: remove hctx->debugfs_dir
Date: Thu, 13 Feb 2025 07:41:46 +0100 [thread overview]
Message-ID: <20250213064146.GA20494@lst.de> (raw)
In-Reply-To: <20250209122035.1327325-2-ming.lei@redhat.com>
On Sun, Feb 09, 2025 at 08:20:25PM +0800, Ming Lei wrote:
> For each hctx, its debugfs path is fixed, which can be queried from
> its parent dentry and hctx queue num, so it isn't necessary to cache
> it in hctx structure because it isn't used in fast path.
It's not needed, but it's also kinda convenient. What is the argument
that speaks for recalculating the path?
next prev parent reply other threads:[~2025-02-13 6:41 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-09 12:20 [PATCH 0/7] block: remove all debugfs dir & don't grab debugfs_mutex Ming Lei
2025-02-09 12:20 ` [PATCH 1/7] block: remove hctx->debugfs_dir Ming Lei
2025-02-13 6:41 ` Christoph Hellwig [this message]
2025-02-14 2:07 ` Ming Lei
2025-02-17 9:12 ` Christoph Hellwig
2025-02-09 12:20 ` [PATCH 2/7] block: remove hctx->sched_debugfs_dir Ming Lei
2025-02-13 6:42 ` Christoph Hellwig
2025-02-09 12:20 ` [PATCH 3/7] block: remove q->sched_debugfs_dir Ming Lei
2025-02-09 12:20 ` [PATCH 4/7] block: remove q->rqos_debugfs_dir Ming Lei
2025-02-09 12:20 ` [PATCH 5/7] block: remove rqos->debugfs_dir Ming Lei
2025-02-09 12:20 ` [PATCH 6/7] block: remove q->debugfs_dir Ming Lei
2025-02-09 12:20 ` [PATCH 7/7] block: don't grab q->debugfs_mutex Ming Lei
2025-02-09 16:54 ` kernel test robot
2025-02-10 0:52 ` Shinichiro Kawasaki
2025-02-10 1:42 ` Ming Lei
2025-02-10 7:01 ` Nilay Shroff
2025-02-10 8:15 ` Ming Lei
2025-02-10 8:25 ` Shinichiro Kawasaki
2025-02-10 8:39 ` Nilay Shroff
2025-02-10 13:36 ` Nilay Shroff
2025-02-17 9:41 ` [PATCH 0/7] block: remove all debugfs dir & don't grab debugfs_mutex Christoph Hellwig
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