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Commit f42299e6 authored by Alex Elder's avatar Alex Elder
Browse files

libceph: small refactor in write_partial_kvec() 



Make a small change in the code that counts down kvecs consumed by
a ceph_tcp_sendmsg() call.  Same functionality, just blocked out
a little differently.

Signed-off-by: default avatarAlex Elder <elder@dreamhost.com>
Signed-off-by: default avatarSage Weil <sage@newdream.net>
parent fe3ad593

net/ceph/messenger.c

+12 −11
Original line number Diff line number Diff line
@@ -747,17 +747,18 @@ static int write_partial_kvec(struct ceph_connection *con) 
		con->out_kvec_bytes -= ret;

		if (con->out_kvec_bytes == 0)

			break;            /* done */

		while (ret > 0) {

			if (ret >= con->out_kvec_cur->iov_len) {



		/* account for full iov entries consumed */

		while (ret >= con->out_kvec_cur->iov_len) {

			BUG_ON(!con->out_kvec_left);

			ret -= con->out_kvec_cur->iov_len;

			con->out_kvec_cur++;

			con->out_kvec_left--;

			} else {

		}

		/* and for a partially-consumed entry */

		if (ret) {

			con->out_kvec_cur->iov_len -= ret;

			con->out_kvec_cur->iov_base += ret;

				ret = 0;

				break;

			}

		}

	}

	con->out_kvec_left = 0;