Searched hist:db95dbba3b7b09cd11ffaf3a8453c2500e807f80 (Results 1 – 2 of 2) sorted by relevance
| /openbmc/qemu/include/block/ |
| H A D | block_int.h | diff db95dbba3b7b09cd11ffaf3a8453c2500e807f80 Wed Feb 08 04:28:52 CST 2017 Kevin Wolf <kwolf@redhat.com> block: BdrvChildRole.attach/detach() callbacks
Backing files are somewhat special compared to other kinds of children
because they are attached and detached using bdrv_set_backing_hd()
rather than the normal set of functions, which does a few more things
like setting backing blockers, toggling the BDRV_O_NO_BACKING flag,
setting parent_bs->backing_file, etc.
These special features are a reason why change_parent_backing_link()
can't handle backing files yet. With abstracting the additional features
into .attach/.detach callbacks, we get a step closer to a function that
can actually deal with this.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Acked-by: Fam Zheng <famz@redhat.com>
|
| /openbmc/qemu/ |
| H A D | block.c | diff db95dbba3b7b09cd11ffaf3a8453c2500e807f80 Wed Feb 08 04:28:52 CST 2017 Kevin Wolf <kwolf@redhat.com> block: BdrvChildRole.attach/detach() callbacks
Backing files are somewhat special compared to other kinds of children
because they are attached and detached using bdrv_set_backing_hd()
rather than the normal set of functions, which does a few more things
like setting backing blockers, toggling the BDRV_O_NO_BACKING flag,
setting parent_bs->backing_file, etc.
These special features are a reason why change_parent_backing_link()
can't handle backing files yet. With abstracting the additional features
into .attach/.detach callbacks, we get a step closer to a function that
can actually deal with this.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Acked-by: Fam Zheng <famz@redhat.com>
|