2cf40b2f98
- Add 0073-libmultipath-util-constify-function-arguments.patch
- Add 0074-libmultipath-constify-file-argument-in-config-parser.patch
- Add 0075-libmultipath-provide-defaults-for-get-put-_multipath.patch
- Add 0076-libmpathpersist-allow-using-libmultipath-get-put-_mu.patch
- Add 0077-multipath-use-get_put-_multipath_config-from-libmult.patch
- Add 0078-mpathpersist-use-get-put-_multipath_config-from-libm.patch
- Add 0079-libmultipath-add-udev-and-logsink-symbols.patch
- Add 0080-multipath-remove-logsink-and-udev.patch
- Add 0081-libmpathpersist-call-libmultipath_-init-exit.patch
- Add 0082-mpathpersist-remove-logsink-and-udev.patch
- Add 0083-multipathd-remove-logsink-and-udev.patch
* Pull in upsteam library changes
- Add 0084-libmpathvalid-use-default-_multipath_config-udev-and.patch
- Add 0085-Revert-libmultipath-add-ignore_udev_uid-option.patch
- Add 0086-libmultipath-change-log-level-for-null-uid_attribute.patch
- Add 0087-libmultipath-orphan_paths-avoid-BUG-message.patch
* update libmpathvalid to use upstream library changes. changes
submitted upstream
143 lines
3.9 KiB
Diff
143 lines
3.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Martin Wilck <mwilck@suse.com>
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Date: Thu, 24 Sep 2020 15:37:09 +0200
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Subject: [PATCH] libmpathpersist: allow using libmultipath
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{get,put}_multipath_config
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Provide an alternative init function libmpathpersist_init() which
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avoids allocating a new struct config, simply using libmultipath's
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internal implementation.
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Reviewed-by: Benjamin Marzinski <bmarzins@redhat.com>
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Signed-off-by: Martin Wilck <mwilck@suse.com>
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Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
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---
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libmpathpersist/mpath_persist.c | 42 ++++++++++++++++++++++++++++-----
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libmpathpersist/mpath_persist.h | 28 ++++++++++++++++++++++
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2 files changed, 64 insertions(+), 6 deletions(-)
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diff --git a/libmpathpersist/mpath_persist.c b/libmpathpersist/mpath_persist.c
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index a132f4e9..9dfc98cd 100644
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--- a/libmpathpersist/mpath_persist.c
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+++ b/libmpathpersist/mpath_persist.c
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@@ -37,6 +37,27 @@
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extern struct udev *udev;
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+static void adapt_config(struct config *conf)
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+{
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+ conf->force_sync = 1;
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+ set_max_fds(conf->max_fds);
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+}
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+
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+int libmpathpersist_init(void)
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+{
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+ struct config *conf;
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+ int rc = 0;
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+
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+ if (init_config(DEFAULT_CONFIGFILE)) {
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+ condlog(0, "Failed to initialize multipath config.");
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+ return 1;
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+ }
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+ conf = libmp_get_multipath_config();
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+ adapt_config(conf);
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+ libmp_put_multipath_config(conf);
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+ return rc;
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+}
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+
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struct config *
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mpath_lib_init (void)
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{
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@@ -47,21 +68,30 @@ mpath_lib_init (void)
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condlog(0, "Failed to initialize multipath config.");
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return NULL;
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}
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- conf->force_sync = 1;
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- set_max_fds(conf->max_fds);
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-
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+ adapt_config(conf);
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return conf;
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}
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-int
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-mpath_lib_exit (struct config *conf)
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+static void libmpathpersist_cleanup(void)
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{
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dm_lib_release();
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dm_lib_exit();
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cleanup_prio();
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cleanup_checkers();
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+}
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+
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+int
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+mpath_lib_exit (struct config *conf)
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+{
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+ libmpathpersist_cleanup();
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free_config(conf);
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- conf = NULL;
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+ return 0;
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+}
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+
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+int libmpathpersist_exit(void)
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+{
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+ libmpathpersist_cleanup();
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+ uninit_config();
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return 0;
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}
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diff --git a/libmpathpersist/mpath_persist.h b/libmpathpersist/mpath_persist.h
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index 7cf4faf9..91606efc 100644
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--- a/libmpathpersist/mpath_persist.h
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+++ b/libmpathpersist/mpath_persist.h
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@@ -175,6 +175,22 @@ struct prout_param_descriptor { /* PROUT parameter descriptor */
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* DESCRIPTION :
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* Initialize device mapper multipath configuration. This function must be invoked first
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* before performing reservation management functions.
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+ * Either this function or mpath_lib_init() may be used.
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+ * Use this function to work with libmultipath's internal "struct config".
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+ * Call libmpathpersist_exit() for cleanup.
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+ * RESTRICTIONS:
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+ *
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+ * RETURNS: 0->Success, 1->Failed.
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+ */
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+extern int libmpathpersist_init (void);
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+
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+/*
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+ * DESCRIPTION :
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+ * Initialize device mapper multipath configuration. This function must be invoked first
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+ * before performing reservation management functions.
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+ * Either this function or libmpathpersist_init() may be used.
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+ * Use this function to work with an application-specific "struct config".
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+ * Call mpath_lib_exit() for cleanup.
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* RESTRICTIONS:
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*
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* RETURNS: struct config ->Success, NULL->Failed.
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@@ -186,12 +202,24 @@ extern struct config * mpath_lib_init (void);
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* DESCRIPTION :
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* Release device mapper multipath configuration. This function must be invoked after
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* performing reservation management functions.
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+ * Use this after initialization with mpath_lib_init().
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* RESTRICTIONS:
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*
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* RETURNS: 0->Success, 1->Failed.
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*/
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extern int mpath_lib_exit (struct config *conf);
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+/*
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+ * DESCRIPTION :
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+ * Release device mapper multipath configuration. This function must be invoked after
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+ * performing reservation management functions.
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+ * Use this after initialization with libmpathpersist_init().
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+ * RESTRICTIONS:
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+ *
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+ * RETURNS: 0->Success, 1->Failed.
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+ */
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+extern int libmpathpersist_exit (void);
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+
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/*
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* DESCRIPTION :
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--
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2.17.2
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