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From 07011a334fd1e4b641cdbfaf5de7500f7bdc941d Mon Sep 17 00:00:00 2001
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From: Michal Suchanek <msuchanek@suse.de>
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Date: Wed, 6 Jan 2021 14:17:41 +0100
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Subject: [PATCH 029/217] ndctl/namespace: Suppress -ENXIO when processing all
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namespaces.
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When processing all namespaces and no namespaces exist user gets the
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default -ENXIO. Set default rc to 0 when processing all namespaces.
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This avoids confusing error message printed in addition to the message
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saying 0 namespaces were affected.
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Before:
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# ndctl check-namespace all
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namespace0.0: namespace_check: namespace0.0: check aborted, namespace online
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error checking namespaces: Device or resource busy
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checked 0 namespaces
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# ndctl disable-namespace all
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disabled 1 namespace
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# ndctl check-namespace all
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namespace0.0: namespace_check: Unable to recover any BTT info blocks
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error checking namespaces: No such device or address
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checked 0 namespaces
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# ndctl destroy-namespace all
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destroyed 1 namespace
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# ndctl check-namespace all
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error checking namespaces: No such device or address
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checked 0 namespaces
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# ndctl destroy-namespace all
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error destroying namespaces: No such device or address
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destroyed 0 namespaces
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After:
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# ndctl check-namespace all
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namespace0.0: namespace_check: namespace0.0: check aborted, namespace online
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error checking namespaces: Device or resource busy
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checked 0 namespaces
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# ndctl disable-namespace namespace0.0
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disabled 1 namespace
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# ndctl check-namespace all
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namespace0.0: namespace_check: Unable to recover any BTT info blocks
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error checking namespaces: No such device or address
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checked 0 namespaces
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# ndctl destroy-namespace all
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destroyed 1 namespace
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# ndctl check-namespace all
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checked 0 namespaces
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# ndctl destroy-namespace all
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destroyed 0 namespaces
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# ndctl destroy-namespace all
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destroyed 0 namespaces
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Note: this does change the return value from -ENXIO to 0 in the cases
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when no namespaces exist and processing all namespaces was requested.
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Link: https://patchwork.kernel.org/patch/11681431/
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Link: https://lore.kernel.org/r/32c8cd8d2716f5e52aebea4e4d303eeb4e0550f9.1609938610.git.msuchanek@suse.de
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Reviewed-by: Santosh S <santosh@fossix.org>
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Signed-off-by: Michal Suchanek <msuchanek@suse.de>
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Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
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---
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ndctl/namespace.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/ndctl/namespace.c b/ndctl/namespace.c
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index 5e65ed5..cd822b3 100644
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--- a/ndctl/namespace.c
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+++ b/ndctl/namespace.c
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@@ -2151,6 +2151,9 @@ static int do_xaction_namespace(const char *namespace,
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if (!namespace && action != ACTION_CREATE)
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return rc;
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+ if (namespace && (strcmp(namespace, "all") == 0))
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+ rc = 0;
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+
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if (verbose)
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ndctl_set_log_priority(ctx, LOG_DEBUG);
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--
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2.27.0
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