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autofs-5.1.6 - dont prune offset map entries
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From: Ian Kent <raven@themaw.net>
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Indirect maps create offset map entries for multi-mount map entries on
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deamnd and remove them when they expire.
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Since they are created based on an owning map entry they don't correspond
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to an actual map entry so they, and their owning map entry, should never
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be pruned.
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Signed-off-by: Ian Kent <raven@themaw.net>
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---
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CHANGELOG | 1 +
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daemon/lookup.c | 9 +++++++++
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2 files changed, 10 insertions(+)
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diff --git a/CHANGELOG b/CHANGELOG
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index 3608345..34b160e 100644
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--- a/CHANGELOG
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+++ b/CHANGELOG
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@@ -109,6 +109,7 @@ xx/xx/2018 autofs-5.1.5
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- refactor sss getautomntbyname().
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- improve sss getautomntbyname() error handling.
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- use a valid timeout in lookup_prune_one_cache().
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+- dont prune offset map entries.
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19/12/2017 autofs-5.1.4
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- fix spec file url.
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diff --git a/daemon/lookup.c b/daemon/lookup.c
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index 8bf1335..2de622e 100644
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--- a/daemon/lookup.c
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+++ b/daemon/lookup.c
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@@ -1355,6 +1355,15 @@ void lookup_prune_one_cache(struct autofs_point *ap, struct mapent_cache *mc, ti
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}
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if (ap->type == LKP_INDIRECT) {
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+ /* Don't prune offset map entries since they are
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+ * created on demand and managed by expire and don't
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+ * prune the multi-map owner map entry.
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+ */
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+ if (*me->key == '/' || me->multi == me) {
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+ me = cache_enumerate(mc, me);
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+ continue;
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+ }
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+
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/* If the map hasn't been read (nobrowse
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* indirect mounts) then keep cached entries
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* for POSITIVE_TIMEOUT.
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