Re: [PATCH 01/32] block: Provide blkdev_get_handle_* functions
From: Bart Van Assche <bvanassche@acm.org>
Date: 2023-07-04 14:06:36
Also in:
dm-devel, linux-bcache, linux-block, linux-btrfs, linux-ext4, linux-f2fs-devel, linux-fsdevel, linux-mm, linux-nfs, linux-nvme, linux-pm, linux-s390, linux-scsi, linux-xfs, target-devel, xen-devel
On 7/4/23 05:21, Jan Kara wrote:
+struct bdev_handle {
+ struct block_device *bdev;
+ void *holder;
+};Please explain in the patch description why a holder pointer is introduced in struct bdev_handle and how it relates to the bd_holder pointer in struct block_device. Is one of the purposes of this patch series perhaps to add support for multiple holders per block device? Thanks, Bart.