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From: Markus Elfring <Markus.Elfring@web.de>
To: John Garry <john.g.garry@oracle.com>,
	linux-block@vger.kernel.org, linux-scsi@vger.kernel.org,
	dm-devel@lists.linux.dev, linux-nvme@lists.infradead.org,
	Christoph Hellwig <hch@lst.de>, Hannes Reinecke <hare@suse.com>,
	James Bottomley <James.Bottomley@HansenPartnership.com>,
	Jens Axboe <axboe@fb.com>, Keith Busch <kbusch@kernel.org>,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	Sagi Grimberg <sagi@grimberg.me>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Benjamin Marzinski <bmarzins@redhat.com>,
	John Meneghini <jmeneghi@redhat.com>,
	Mike Christie <michael.christie@oracle.com>,
	Mike Snitzer <snitzer@kernel.org>
Subject: Re: [PATCH 02/13] libmultipath: Add basic gendisk support
Date: Tue, 3 Mar 2026 13:13:21 +0100	[thread overview]
Message-ID: <317a7883-9470-453d-a3cf-8d819383aca2@web.de> (raw)
In-Reply-To: <20260225153225.1031169-3-john.g.garry@oracle.com>

…
> +++ b/lib/multipath.c
> +static void multipath_partition_scan_work(struct work_struct *work)
> +{
> +	mutex_lock(&mpath_disk->disk->open_mutex);
> +	bdev_disk_changed(mpath_disk->disk, false);
> +	mutex_unlock(&mpath_disk->disk->open_mutex);
> +}
…

Under which circumstances would you become interested to apply a statement
like “guard(mutex)(&mpath_disk->disk->open_mutex);”?
https://elixir.bootlin.com/linux/v6.19.3/source/include/linux/mutex.h#L253

Regards,
Markus

  parent reply	other threads:[~2026-03-03 12:13 UTC|newest]

Thread overview: 61+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-25 15:32 [PATCH 00/13] libmultipath: a generic multipath lib for block drivers John Garry
2026-02-25 15:32 ` [PATCH 01/13] libmultipath: Add initial framework John Garry
2026-03-02 12:08   ` Nilay Shroff
2026-03-02 12:21     ` John Garry
2026-02-25 15:32 ` [PATCH 02/13] libmultipath: Add basic gendisk support John Garry
2026-02-26  2:16   ` Benjamin Marzinski
2026-02-26  9:04     ` John Garry
2026-03-02 12:31   ` Nilay Shroff
2026-03-02 15:39     ` John Garry
2026-03-03 12:39       ` Nilay Shroff
2026-03-03 12:59         ` John Garry
2026-03-03 12:13   ` Markus Elfring [this message]
2026-02-25 15:32 ` [PATCH 03/13] libmultipath: Add path selection support John Garry
2026-02-26  3:37   ` Benjamin Marzinski
2026-02-26  9:26     ` John Garry
2026-03-02 12:36   ` Nilay Shroff
2026-03-02 15:11     ` John Garry
2026-03-03 11:01       ` Nilay Shroff
2026-03-03 12:41         ` John Garry
2026-03-04 10:26           ` Nilay Shroff
2026-03-04 11:09             ` John Garry
2026-04-14 10:03             ` John Garry
2026-04-14 11:43               ` Nilay Shroff
2026-04-14 13:10                 ` John Garry
2026-03-04 13:10   ` Nilay Shroff
2026-03-04 14:38     ` John Garry
2026-02-25 15:32 ` [PATCH 04/13] libmultipath: Add bio handling John Garry
2026-03-02 12:39   ` Nilay Shroff
2026-03-02 15:52     ` John Garry
2026-03-03 14:00       ` Nilay Shroff
2026-02-25 15:32 ` [PATCH 05/13] libmultipath: Add support for mpath_device management John Garry
2026-02-25 15:32 ` [PATCH 06/13] libmultipath: Add cdev support John Garry
2026-02-25 15:32 ` [PATCH 07/13] libmultipath: Add delayed removal support John Garry
2026-03-02 12:41   ` Nilay Shroff
2026-03-02 15:54     ` John Garry
2026-04-08 11:28     ` John Garry
2026-04-08 15:41       ` Hannes Reinecke
2026-04-08 16:28         ` John Garry
2026-04-09  6:37           ` Nilay Shroff
2026-04-09 13:00             ` John Garry
2026-04-10  7:06               ` Nilay Shroff
2026-04-10  8:55                 ` John Garry
2026-04-10  9:09                   ` Nilay Shroff
2026-04-10  9:49                     ` John Garry
2026-04-10 10:51                       ` Nilay Shroff
2026-04-10 11:49                         ` John Garry
2026-02-25 15:32 ` [PATCH 08/13] libmultipath: Add sysfs helpers John Garry
2026-02-27 19:05   ` Benjamin Marzinski
2026-03-02 11:11     ` John Garry
2026-02-25 15:32 ` [PATCH 09/13] libmultipath: Add PR support John Garry
2026-02-25 15:49   ` Keith Busch
2026-02-25 16:52     ` John Garry
2026-02-27 18:12     ` Benjamin Marzinski
2026-03-02 10:45       ` John Garry
2026-02-25 15:32 ` [PATCH 10/13] libmultipath: Add mpath_bdev_report_zones() John Garry
2026-02-25 15:32 ` [PATCH 11/13] libmultipath: Add support for block device IOCTL John Garry
2026-02-27 19:52   ` Benjamin Marzinski
2026-03-02 11:19     ` John Garry
2026-04-09 15:20     ` John Garry
2026-02-25 15:32 ` [PATCH 12/13] libmultipath: Add mpath_bdev_getgeo() John Garry
2026-02-25 15:32 ` [PATCH 13/13] libmultipath: Add mpath_bdev_get_unique_id() John Garry

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