search for: bbde578

...ter_functions = { .can_trim = filter_can_trim, .can_zero = filter_can_zero, .can_fua = filter_can_fua, + .can_multi_conn = filter_can_multi_conn, .pread = filter_pread, .pwrite = filter_pwrite, .flush = filter_flush, diff --git a/server/plugins.c b/server/plugins.c index cb0f411..bbde578 100644 --- a/server/plugins.c +++ b/server/plugins.c @@ -197,6 +197,7 @@ plugin_dump_fields (struct backend *b) HAS (flush); HAS (trim); HAS (zero); + HAS (can_multi_conn); #undef HAS /* Custom fields. */ @@ -414,6 +415,21 @@ plugin_can_fua (struct backend *b, struct connection *con...

First thing to say is that I need to do a *lot* more testing on this, so this is just an early peek. In particular, although it passed ‘make check && make check-valgrind’ I have *not* tested it against a multi-conn-aware client such as the Linux kernel >= 4.9. This implements NBD_FLAG_CAN_MULTI_CONN, described in the protocol doc as: "NBD_FLAG_CAN_MULTI_CONN: Indicates that

For existing commits, this is almost identical to v1, except that I updated some commit messages and reordered the commits in a somewhat more logical sequence. The main changes are the extra commits: [06/11] plugins: Return NBD_FLAG_CAN_MULTI_CONN from some readonly plugins. - Readonly plugins that can set the flag unconditionally. [09/11] partitioning: Return NBD_FLAG_CAN_MULTI_CONN. [10/11]