From: Sagi Grimberg <sagi@grimberg.me>
Date: Wed, 6 Mar 2019 09:42:31 +0000 (-0800)
Subject: nvme: print I/O error to stderr
X-Git-Tag: v1.8~19
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=e01564e459d7c7e1165d7d4abc3a3825824e87af;p=users%2Fsagi%2Fnvme-cli.git

nvme: print I/O error to stderr

something like blktests might rely on this to output to
stderr.

Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
---

diff --git a/nvme.c b/nvme.c
index 8aac2ef1..e88d1994 100644
--- a/nvme.c
+++ b/nvme.c
@@ -4413,7 +4413,7 @@ static int submit_io(int opcode, char *command, const char *desc,
 	if (err < 0)
 		perror("submit-io");
 	else if (err)
-		printf("%s:%s(%04x)\n", command, nvme_status_to_string(err), err);
+		fprintf(stderr, "%s:%s(%04x)\n", command, nvme_status_to_string(err), err);
 	else {
 		if (!(opcode & 1) && write(dfd, (void *)buffer, cfg.data_size) < 0) {
 			fprintf(stderr, "write: %s: failed to write buffer to output file\n",