Currently blk-cbt use UUID as a name. This is a big limitation. We are going to expose bitmap names to libvirt, so we should not expect users to follow this. Moreover, even VHI backup utilities use non-UUID names sometimes. Technically QEMU allows us bitmap names up to 1024 bytes, but 128 should be fine. Multiple simultaneous bitmaps are needed for backup plans, so allow them. Add new API to list bitmap names, adjust most of the API to make operations on bitmap with user-provided name.
Andrey Zhadchenko (3): block/blk-cbt: rework uuid field block/blk-cbt: allow multiple cbts in a single queue block/blk-cbt: add BLKCBTLIST ioctl block/blk-cbt.c | 240 ++++++++++++++++++++++++---------------- block/blk-core.c | 2 + block/ioctl.c | 1 + include/linux/blkdev.h | 2 +- include/uapi/linux/fs.h | 19 +++- 5 files changed, 163 insertions(+), 101 deletions(-) -- 2.39.3 _______________________________________________ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel
