From: Christoph Hellwig <hch@lst.de>
To: Nilay Shroff <nilay@linux.ibm.com>
Cc: Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>,
Damien Le Moal <dlemoal@kernel.org>,
Ming Lei <ming.lei@redhat.com>,
linux-block@vger.kernel.org, linux-nvme@lists.infradead.org,
nbd@other.debian.org, linux-scsi@vger.kernel.org,
usb-storage@lists.one-eyed-alien.net
Subject: Re: [PATCH 3/8] block: don't update BLK_FEAT_POLL in __blk_mq_update_nr_hw_queues
Date: Tue, 7 Jan 2025 09:21:45 +0100 [thread overview]
Message-ID: <20250107082145.GA15960@lst.de> (raw)
In-Reply-To: <220cdd33-527f-405d-90af-2abaace36645@linux.ibm.com>
On Tue, Jan 07, 2025 at 12:27:35PM +0530, Nilay Shroff wrote:
> As discussed in another thread with Damien, shouldn't we need to
> move bdev_can_poll() to header file?
Well, if it was needed I would have done it, otherwise the code wouldn't
compile, would it?
> We also need to use this
> function while reading sysfs attribute "io-poll", no?
This now reports polling support when the driver declared it but
later resized the number of queues to have no queues left. Which I
think is a fine tradeoff if you do that.
next prev parent reply other threads:[~2025-01-07 8:21 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-07 6:30 fix queue freeze and limit locking order Christoph Hellwig
2025-01-07 6:30 ` [PATCH 1/8] block: fix docs for freezing of queue limits updates Christoph Hellwig
2025-01-07 7:01 ` Nilay Shroff
2025-01-07 18:05 ` Nilay Shroff
2025-01-07 10:03 ` Damien Le Moal
2025-01-09 11:19 ` John Garry
2025-01-09 11:24 ` Nilay Shroff
2025-01-09 11:26 ` John Garry
2025-01-07 6:30 ` [PATCH 2/8] block: add a queue_limits_commit_update_frozen helper Christoph Hellwig
2025-01-07 10:05 ` Damien Le Moal
2025-01-07 17:58 ` Nilay Shroff
2025-01-07 6:30 ` [PATCH 3/8] block: don't update BLK_FEAT_POLL in __blk_mq_update_nr_hw_queues Christoph Hellwig
2025-01-07 6:57 ` Nilay Shroff
2025-01-07 8:21 ` Christoph Hellwig [this message]
2025-01-07 9:23 ` Nilay Shroff
2025-01-07 13:51 ` Christoph Hellwig
2025-01-07 17:55 ` Nilay Shroff
2025-01-07 6:30 ` [PATCH 4/8] block: add a store_limit operations for sysfs entries Christoph Hellwig
2025-01-07 7:25 ` Ming Lei
2025-01-07 7:51 ` Nilay Shroff
2025-01-07 8:26 ` Christoph Hellwig
2025-01-07 10:25 ` Ming Lei
2025-01-07 13:49 ` Christoph Hellwig
2025-01-07 8:23 ` Christoph Hellwig
2025-01-07 10:05 ` Damien Le Moal
2025-01-07 17:58 ` Nilay Shroff
2025-01-07 6:30 ` [PATCH 5/8] block: fix queue freeze vs limits lock order in sysfs store methods Christoph Hellwig
2025-01-07 17:59 ` Nilay Shroff
2025-01-07 6:30 ` [PATCH 6/8] nvme: fix queue freeze vs limits lock order Christoph Hellwig
2025-01-07 6:58 ` Nilay Shroff
2025-01-07 8:22 ` Christoph Hellwig
2025-01-07 8:45 ` Nilay Shroff
2025-01-07 8:58 ` Christoph Hellwig
2025-01-07 9:29 ` Nilay Shroff
2025-01-07 9:58 ` Damien Le Moal
2025-01-07 18:00 ` Nilay Shroff
2025-01-07 6:30 ` [PATCH 7/8] nbd: " Christoph Hellwig
2025-01-07 10:00 ` Damien Le Moal
2025-01-07 18:01 ` Nilay Shroff
2025-01-07 6:30 ` [PATCH 8/8] usb-storage:fix " Christoph Hellwig
2025-01-07 10:00 ` Damien Le Moal
2025-01-07 18:01 ` Nilay Shroff
2025-01-08 2:21 ` fix queue freeze and limit locking order Ming Lei
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