The previous version 12 was discussed in the email thread: Message-Id: <1603390423-980205-1-git-send-email-andrey.shinkev...@virtuozzo.com>
v13: 02: The bdrv_remove_node() was dropped. 05: Three patches with fixes were merged into one. 06: Minor changes based on Vladimir's suggestions. 08: Three patches with fixes were merged into one. 09: The search for format_name of backing file was added. 10: The flag BLK_PERM_GRAPH_MOD was removed. Andrey Shinkevich (10): copy-on-read: support preadv/pwritev_part functions block: add API function to insert a node copy-on-read: add filter drop function qapi: add filter-node-name to block-stream qapi: create BlockdevOptionsCor structure for COR driver iotests: add #310 to test bottom node in COR driver block: include supported_read_flags into BDS structure copy-on-read: skip non-guest reads if no copy needed stream: skip filters when writing backing file name to QCOW2 header block: apply COR-filter to block-stream jobs block.c | 25 +++++++ block/copy-on-read.c | 143 +++++++++++++++++++++++++++++++++++++---- block/copy-on-read.h | 32 +++++++++ block/io.c | 12 +++- block/monitor/block-hmp-cmds.c | 4 +- block/stream.c | 120 +++++++++++++++++++++++----------- blockdev.c | 12 ++-- include/block/block.h | 10 ++- include/block/block_int.h | 11 +++- qapi/block-core.json | 27 +++++++- tests/qemu-iotests/030 | 51 ++------------- tests/qemu-iotests/030.out | 4 +- tests/qemu-iotests/141.out | 2 +- tests/qemu-iotests/245 | 22 +++++-- tests/qemu-iotests/310 | 114 ++++++++++++++++++++++++++++++++ tests/qemu-iotests/310.out | 15 +++++ tests/qemu-iotests/group | 1 + 17 files changed, 484 insertions(+), 121 deletions(-) create mode 100644 block/copy-on-read.h create mode 100755 tests/qemu-iotests/310 create mode 100644 tests/qemu-iotests/310.out -- 1.8.3.1