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(parent: edfd52e) | patch
virtio-blk: use ida to allocate disk index
authorMichael S. Tsirkin <mst@redhat.com>
Sun, 30 Oct 2011 19:29:59 +0000 (21:29 +0200)
committerRusty Russell <rusty@rustcorp.com.au>
Wed, 2 Nov 2011 01:11:02 +0000 (11:41 +1030)
commit5087a50e66bd51b6e72c60bce4757a42b93f6b2c
treeb0a0f017fbeeef3b6be8604f6e40b54ce1053bactree | snapshot
parentedfd52e6367270c90f3fd7cc302b375ffa89f91ecommit | diff
virtio-blk: use ida to allocate disk index

Based on a patch by Mark Wu <dwu@redhat.com>

Current index allocation in virtio-blk is based on a monotonically
increasing variable "index". This means we'll run out of numbers
after a while.  It also could cause confusion about the disk
name in the case of hot-plugging disks.
Change virtio-blk to use ida to allocate index, instead.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
drivers/block/virtio_blk.c diff | blob | history
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