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e5fb29d5d0
Hi all! Current logic of relying on search through backing chain is not safe neither convenient. Sometimes it leads to necessity of extra bitmap copying. Also, we are going to add "snapshot-access" driver, to access some snapshot state through NBD. And this driver is not formally a filter, and of course it's not a COW format driver. So, searching through backing chain will not work. Instead of widening the workaround of bitmap searching, let's extend the interface so that user can select bitmap precisely. Note, that checking for bitmap active status is not copied to the new API, I don't see a reason for it, user should understand the risks. And anyway, bitmap from other node is unrelated to this export being read-only or read-write. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@openvz.org> Message-Id: <20220314213226.362217-3-v.sementsov-og@mail.ru> [eblake: Adjust S-o-b to Vladimir's new email, with permission] Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com> |
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| client-connection.c | ||
| client.c | ||
| common.c | ||
| meson.build | ||
| nbd-internal.h | ||
| server.c | ||
| trace-events | ||
| trace.h | ||