2d373b6820
Update to the head of the upstream staging branch plus redhat patches * Patches 0016-0018 are from the upstream staging branch * Patches 0019-0024 have been submitted upstream Rename files * Previous patches 0016-0025 are now patches 0024-0033
82 lines
2.2 KiB
Diff
82 lines
2.2 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, 16 Jul 2021 17:58:14 -0500
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Subject: [PATCH] libmultipath: remove unneeded code in coalesce_paths
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The code at the end of coalesce_paths() removes a multipath device that
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was just created/reloaded, if none of its path devices have pp->dev set.
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This code is very old, and no longer has any actual effect. Multipath
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devices no longer get placed in pathvec without having pp->dev set. Even
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if they could, there's no point in creating/reloading the device and
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then immediately removing it.
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Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
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---
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libmultipath/configure.c | 46 ----------------------------------------
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1 file changed, 46 deletions(-)
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diff --git a/libmultipath/configure.c b/libmultipath/configure.c
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index eb76fbc4..df6ba725 100644
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--- a/libmultipath/configure.c
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+++ b/libmultipath/configure.c
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@@ -1061,28 +1061,6 @@ int domap(struct multipath *mpp, char *params, int is_daemon)
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return DOMAP_FAIL;
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}
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-static int
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-deadmap (struct multipath * mpp)
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-{
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- int i, j;
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- struct pathgroup * pgp;
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- struct path * pp;
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-
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- if (!mpp->pg)
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- return 1;
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-
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- vector_foreach_slot (mpp->pg, pgp, i) {
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- if (!pgp->paths)
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- continue;
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-
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- vector_foreach_slot (pgp->paths, pp, j)
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- if (strlen(pp->dev))
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- return 0; /* alive */
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- }
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-
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- return 1; /* dead */
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-}
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-
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extern int
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check_daemon(void)
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{
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@@ -1318,30 +1296,6 @@ int coalesce_paths (struct vectors *vecs, vector mpvec, char *refwwid,
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KEEP_VEC);
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map_processed = true;
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}
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- /*
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- * Flush maps with only dead paths (ie not in sysfs)
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- * Keep maps with only failed paths
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- */
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- if (mpvec) {
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- vector_foreach_slot (newmp, mpp, i) {
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- char alias[WWID_SIZE];
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-
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- if (!deadmap(mpp))
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- continue;
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-
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- strlcpy(alias, mpp->alias, WWID_SIZE);
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-
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- vector_del_slot(newmp, i);
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- i--;
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- remove_map(mpp, vecs->pathvec, vecs->mpvec, KEEP_VEC);
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-
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- if (dm_flush_map(alias))
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- condlog(2, "%s: remove failed (dead)",
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- alias);
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- else
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- condlog(2, "%s: remove (dead)", alias);
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- }
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- }
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if (map_processed && !is_daemon && (no_daemon || !check_daemon()))
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condlog(2, "multipath devices exist, but multipathd service is not running");
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