Re: [PATCH v4 0/29] block: Make blkdev_get_by_*() return handle

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On Wed, Sep 27, 2023 at 3:34?AM Jan Kara <jack@xxxxxxx> wrote:
> Hello,
> this is a v3 of the patch series which implements the idea of blkdev_get_by_*()


> calls returning bdev_handle which is then passed to blkdev_put() [1]. This
> makes the get and put calls for bdevs more obviously matching and allows us to
> propagate context from get to put without having to modify all the users
> (again!). In particular I need to propagate used open flags to blkdev_put() to
> be able count writeable opens and add support for blocking writes to mounted
> block devices. I'll send that series separately.
> The series is based on Btrfs tree's for-next branch [2] as of today as the
> series depends on Christoph's changes to btrfs device handling.  Patches have
> passed some reasonable testing - I've tested block changes, md, dm, bcache,
> xfs, btrfs, ext4, swap. More testing or review is always welcome. Thanks! I've
> pushed out the full branch to:
> git:// bdev_handle
> to ease review / testing. Christian, can you pull the patches to your tree
> to get some exposure in linux-next as well? Thanks!

For the block bits:

Acked-by: Jens Axboe <axboe@xxxxxxxxx>

Jens Axboe

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