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nvme/tcp: add the function nvme_tcp_readv_data

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Change-Id: I0a1ad0a4dc265ced10b0ce761d38a679fa06bacf
Signed-off-by: Ziye Yang <ziye.yang@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/447579
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
This commit is contained in:
Ziye Yang 2019-03-11 21:37:41 +08:00 committed by Jim Harris
parent 626ceb20fe
commit 78a24106d4
1 changed files with 18 additions and 6 deletions
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24
include/spdk_internal/nvme_tcp.h
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@ -283,17 +283,16 @@ end:
}
static int
nvme_tcp_read_data(struct spdk_sock *sock, int bytes,
void *buf)
nvme_tcp_readv_data(struct spdk_sock *sock, struct iovec *iov, int iovcnt)
{
int ret;
assert(sock != NULL);
if (bytes == 0) {
if (iov == NULL || iovcnt == 0) {
return 0;
}
ret = spdk_sock_recv(sock, buf, bytes);
ret = spdk_sock_readv(sock, iov, iovcnt);
if (ret > 0) {
return ret;
@ -306,15 +305,28 @@ nvme_tcp_read_data(struct spdk_sock *sock, int bytes,
/* For connect reset issue, do not output error log */
if (errno == ECONNRESET) {
SPDK_DEBUGLOG(SPDK_LOG_NVME, "spdk_sock_recv() failed, errno %d: %s\n",
SPDK_DEBUGLOG(SPDK_LOG_NVME, "spdk_sock_readv() failed, errno %d: %s\n",
errno, spdk_strerror(errno));
} else {
SPDK_ERRLOG("spdk_sock_recv() failed, errno %d: %s\n",
SPDK_ERRLOG("spdk_sock_readv() failed, errno %d: %s\n",
errno, spdk_strerror(errno));
}
}
/* connection closed */
return NVME_TCP_CONNECTION_FATAL;
}
static int
nvme_tcp_read_data(struct spdk_sock *sock, int bytes,
void *buf)
{
struct iovec iov;
iov.iov_base = buf;
iov.iov_len = bytes;
return nvme_tcp_readv_data(sock, &iov, 1);
}
#endif /* SPDK_INTERNAL_NVME_TCP_H */