File ndctl-namespace-Suppress-ENXIO-when-processing-... of Package ndctl

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File ndctl-namespace-Suppress-ENXIO-when-processing-all-n.patch of Package ndctl (Revision be0fbc177a853e3999d57f3f1e25ada1)

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From 07011a334fd1e4b641cdbfaf5de7500f7bdc941d Mon Sep 17 00:00:00 2001
From: Michal Suchanek <msuchanek@suse.de>
Date: Wed, 6 Jan 2021 14:17:41 +0100
Subject: [PATCH] ndctl/namespace: Suppress -ENXIO when processing all
 namespaces.

Upstream: v72
Git-commit: 07011a334fd1e4b641cdbfaf5de7500f7bdc941d

When processing all namespaces and no namespaces exist user gets the
default -ENXIO. Set default rc to 0 when processing all namespaces.
This avoids confusing error message printed in addition to the message
saying 0 namespaces were affected.

Before:

# ndctl check-namespace all
namespace0.0: namespace_check: namespace0.0: check aborted, namespace online
error checking namespaces: Device or resource busy
checked 0 namespaces
 # ndctl disable-namespace all
disabled 1 namespace
 # ndctl check-namespace all
namespace0.0: namespace_check: Unable to recover any BTT info blocks
error checking namespaces: No such device or address
checked 0 namespaces
 # ndctl destroy-namespace all
destroyed 1 namespace
 # ndctl check-namespace all
error checking namespaces: No such device or address
checked 0 namespaces
 # ndctl destroy-namespace all
error destroying namespaces: No such device or address
destroyed 0 namespaces

After:

# ndctl check-namespace all
namespace0.0: namespace_check: namespace0.0: check aborted, namespace online
error checking namespaces: Device or resource busy
checked 0 namespaces
 # ndctl disable-namespace namespace0.0
disabled 1 namespace
 # ndctl check-namespace all
namespace0.0: namespace_check: Unable to recover any BTT info blocks
error checking namespaces: No such device or address
checked 0 namespaces
 # ndctl destroy-namespace all
destroyed 1 namespace
 # ndctl check-namespace all
checked 0 namespaces
 # ndctl destroy-namespace all
destroyed 0 namespaces
 # ndctl destroy-namespace all
destroyed 0 namespaces

Note: this does change the return value from -ENXIO to 0 in the cases
when no namespaces exist and processing all namespaces was requested.

Link: https://patchwork.kernel.org/patch/11681431/
Link: https://lore.kernel.org/r/32c8cd8d2716f5e52aebea4e4d303eeb4e0550f9.1609938610.git.msuchanek@suse.de
Reviewed-by: Santosh S <santosh@fossix.org>
Signed-off-by: Michal Suchanek <msuchanek@suse.de>
Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
---
 ndctl/namespace.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ndctl/namespace.c b/ndctl/namespace.c
index 5e65ed5..cd822b3 100644
--- a/ndctl/namespace.c
+++ b/ndctl/namespace.c
@@ -2151,6 +2151,9 @@ static int do_xaction_namespace(const char *namespace,
 	if (!namespace && action != ACTION_CREATE)
 		return rc;
 
+	if (namespace && (strcmp(namespace, "all") == 0))
+		rc = 0;
+
 	if (verbose)
 		ndctl_set_log_priority(ctx, LOG_DEBUG);
 
-- 
2.35.1

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File ndctl-namespace-Suppress-ENXIO-when-processing-all-n.patch of Package ndctl (Revision be0fbc177a853e3999d57f3f1e25ada1)

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