search for: 2bcacb8

..., such as C<nbdkit --single>. See also C<nbd_kill_command>."; }; - "read_only", { + "is_read_only", { default_call with args = []; ret = RBool; permitted_states = [ Connected; Closed ]; diff --git a/lib/flags.c b/lib/flags.c index cdbc28f..2bcacb8 100644 --- a/lib/flags.c +++ b/lib/flags.c @@ -65,7 +65,7 @@ get_flag (struct nbd_handle *h, uint16_t flag) } int -nbd_unlocked_read_only (struct nbd_handle *h) +nbd_unlocked_is_read_only (struct nbd_handle *h) { return get_flag (h, NBD_FLAG_READ_ONLY); } diff --git a/lib/rw.c b/lib/rw.c i...

...D_CMD_FLAG_FAST_ZERO> meaning +that the server must fail quickly if writing zeroes is no +faster than a normal write (if that is supported - some servers +cannot do this, see L<nbd_can_fast_zero(3)>)."; }; "block_status", { diff --git a/lib/flags.c b/lib/flags.c index 2bcacb8..d55d10a 100644 --- a/lib/flags.c +++ b/lib/flags.c @@ -47,6 +47,12 @@ nbd_internal_set_size_and_flags (struct nbd_handle *h, eflags &= ~NBD_FLAG_SEND_DF; } + if (eflags & NBD_FLAG_SEND_FAST_ZERO && + !(eflags & NBD_FLAG_SEND_WRITE_ZEROES)) { + debug (h, "...

One API change, some small documentation changes.

This is a cover letter to a series of patches being proposed in tandem to four different projects: - nbd: Document a new NBD_CMD_FLAG_FAST_ZERO command flag - qemu: Implement the flag for both clients and server - libnbd: Implement the flag for clients - nbdkit: Implement the flag for servers, including the nbd passthrough client If you want to test the patches together, I've pushed a