Daniel Verkamp 92f73d73d0 devices: block: add resize VmControl request ... This allows manual resizing of block devices at runtime via the command line ('crosvm disk resize <index> <size>'). The virtio config interrupt is asserted when the disk size changes so that the guest driver can update the block device to the updated size. Currently, there is no automatic policy for resizing disks - that will be implemented in another change. Additionally, this resize operation just changes the size of the block device; the filesystem will need to be resized by the guest (e.g. via the 'btrfs filesystem resize' command) as a separate step either before (shrinking) or after (expanding) the disk resize operation. BUG=chromium:858815 TEST=Start crosvm with a control socket (-s) and resize the disk with 'crosvm disk resize' from another shell. Change-Id: I01633a7af04bfbaffbd27b9227274406d2a2b9cb Signed-off-by: Daniel Verkamp <dverkamp@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/1394152 Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Zach Reizner <zachr@chromium.org> Reviewed-by: Dylan Reid <dgreid@chromium.org>		2019-01-16 01:46:54 -08:00
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src	devices: block: add resize VmControl request	2019-01-16 01:46:54 -08:00
Cargo.toml	crosvm: use msg_socket in vm_control	2018-11-19 16:28:35 -08:00