linux-kernel - [PATCH 17/17] samples: add error state information to test-fsinfo.c [ver #20]

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Date:   Fri, 24 Jul 2020 14:37:25 +0100
From:   David Howells <dhowells@...hat.com>
To:     torvalds@...ux-foundation.org, viro@...iv.linux.org.uk
Cc:     Jeff Layton <jlayton@...nel.org>, dhowells@...hat.com,
        raven@...maw.net, mszeredi@...hat.com, christian@...uner.io,
        jannh@...gle.com, darrick.wong@...cle.com, kzak@...hat.com,
        jlayton@...hat.com, linux-api@...r.kernel.org,
        linux-fsdevel@...r.kernel.org,
        linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 17/17] samples: add error state information to test-fsinfo.c
 [ver #20]

From: Jeff Layton <jlayton@...nel.org>

Signed-off-by: Jeff Layton <jlayton@...nel.org>
Signed-off-by: David Howells <dhowells@...hat.com>
---

 samples/vfs/test-fsinfo.c |   10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/samples/vfs/test-fsinfo.c b/samples/vfs/test-fsinfo.c
index 5209b6a44fb0..9525ef72378a 100644
--- a/samples/vfs/test-fsinfo.c
+++ b/samples/vfs/test-fsinfo.c
@@ -428,6 +428,15 @@ static void dump_afs_fsinfo_server_address(void *reply, unsigned int size)
 	printf("family=%u\n", ss->ss_family);
 }
 
+static void dump_fsinfo_generic_error_state(void *reply, unsigned int size)
+{
+	struct fsinfo_error_state *es = reply;
+
+	printf("\n");
+	printf("\tlatest error : %d (%s)\n", es->wb_error_last, strerror(es->wb_error_last));
+	printf("\tcookie       : 0x%x\n", es->wb_error_cookie);
+}
+
 static void dump_string(void *reply, unsigned int size)
 {
 	char *s = reply, *p;
@@ -516,6 +525,7 @@ static const struct fsinfo_attribute fsinfo_attributes[] = {
 	FSINFO_STRING	(FSINFO_ATTR_AFS_CELL_NAME,	string),
 	FSINFO_STRING	(FSINFO_ATTR_AFS_SERVER_NAME,	string),
 	FSINFO_LIST_N	(FSINFO_ATTR_AFS_SERVER_ADDRESSES, afs_fsinfo_server_address),
+	FSINFO_VSTRUCT  (FSINFO_ATTR_ERROR_STATE,       fsinfo_generic_error_state),
 	{}
 };