dbdf7ab1ce
Add 0100-libmultipath-avoid-temporarily-enabling-queueing-on-.patch
Add 0101-multipathd-Make-sure-to-disable-queueing-if-recovery.patch
* Fixes RHEL-17234 ("RHEL9 dm-multipath no_path_retry [retry number]
is
undone if paths are later lost for an open map.")
Add 0102-multipathd-remove-nopath-flushing-code-from-flush_ma.patch
Add 0103-multipathd-make-flush_map-delete-maps-like-the-multi.patch
Add 0104-multipathd-disable-queueing-when-removing-unknown-ma.patch
* Fixes RHEL-4998 ("When remove external lun from host, rescan lun
status
will cause the OS hang and no response")
Resolves: RHEL-4998
Resolves: RHEL-17234
84 lines
2.8 KiB
Diff
84 lines
2.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Benjamin Marzinski <bmarzins@redhat.com>
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Date: Fri, 8 Dec 2023 14:50:31 -0500
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Subject: [PATCH] multipathd: disable queueing when removing unknown maps
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Make cli_del_maps() call dm_suspend_and_flush_map() for the unknown
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multipath devices as well.
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After this change, all callers of cli_del_maps() set need_suspend, so
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simplify dm_flush_maps().
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Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
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---
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libmultipath/devmapper.c | 7 ++-----
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libmultipath/devmapper.h | 2 +-
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multipath/main.c | 2 +-
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multipathd/cli_handlers.c | 2 +-
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4 files changed, 5 insertions(+), 8 deletions(-)
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diff --git a/libmultipath/devmapper.c b/libmultipath/devmapper.c
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index 4b2e8a15..f9de3358 100644
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--- a/libmultipath/devmapper.c
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+++ b/libmultipath/devmapper.c
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@@ -1145,7 +1145,7 @@ dm_flush_map_nopaths(const char * mapname,
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#endif
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-int dm_flush_maps (int need_suspend, int retries)
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+int dm_flush_maps (int retries)
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{
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int r = 1;
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struct dm_task *dmt;
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@@ -1170,10 +1170,7 @@ int dm_flush_maps (int need_suspend, int retries)
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goto out;
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do {
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- if (need_suspend)
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- r |= dm_suspend_and_flush_map(names->name, retries);
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- else
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- r |= dm_flush_map(names->name);
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+ r |= dm_suspend_and_flush_map(names->name, retries);
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next = names->next;
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names = (void *) names + next;
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} while (next);
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diff --git a/libmultipath/devmapper.h b/libmultipath/devmapper.h
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index 45a676de..808da28d 100644
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--- a/libmultipath/devmapper.h
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+++ b/libmultipath/devmapper.h
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@@ -55,7 +55,7 @@ int dm_flush_map_nopaths(const char * mapname, int deferred_remove);
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#define dm_suspend_and_flush_map(mapname, retries) \
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_dm_flush_map(mapname, 1, 0, 1, retries)
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int dm_cancel_deferred_remove(struct multipath *mpp);
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-int dm_flush_maps (int need_suspend, int retries);
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+int dm_flush_maps (int retries);
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int dm_fail_path(const char * mapname, char * path);
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int dm_reinstate_path(const char * mapname, char * path);
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int dm_queue_if_no_path(const char *mapname, int enable);
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diff --git a/multipath/main.c b/multipath/main.c
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index f1077421..e296be6e 100644
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--- a/multipath/main.c
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+++ b/multipath/main.c
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@@ -1126,7 +1126,7 @@ main (int argc, char *argv[])
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goto out;
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}
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else if (cmd == CMD_FLUSH_ALL) {
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- r = dm_flush_maps(1, retries) ? RTVL_FAIL : RTVL_OK;
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+ r = dm_flush_maps(retries) ? RTVL_FAIL : RTVL_OK;
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goto out;
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}
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while ((r = configure(conf, cmd, dev_type, dev)) == RTVL_RETRY)
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diff --git a/multipathd/cli_handlers.c b/multipathd/cli_handlers.c
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index f04fb558..aca8e2df 100644
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--- a/multipathd/cli_handlers.c
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+++ b/multipathd/cli_handlers.c
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@@ -802,7 +802,7 @@ cli_del_maps (void *v, char **reply, int *len, void *data)
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i--;
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}
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/* flush any multipath maps that aren't currently known by multipathd */
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- ret |= dm_flush_maps(0, 0);
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+ ret |= dm_flush_maps(0);
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return ret;
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}
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