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autofs-5.0.9 - amd lookup fix expire of amd nfs mounts
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From: Ian Kent <raven@themaw.net>
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Becuase of the way map entries are matched for amd maps there
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might not be an entry in the map entry cache for mounts. This
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was causing mounts to not expire.
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---
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daemon/automount.c | 20 +++++++++++---------
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1 file changed, 11 insertions(+), 9 deletions(-)
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diff --git a/daemon/automount.c b/daemon/automount.c
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index 0ba3580..9d9ba7b 100644
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--- a/daemon/automount.c
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+++ b/daemon/automount.c
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@@ -462,7 +462,7 @@ static int umount_subtree_mounts(struct autofs_point *ap, const char *path, unsi
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{
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struct mapent_cache *mc;
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struct mapent *me;
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- unsigned int is_mm_root;
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+ unsigned int is_mm_root = 0;
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int left;
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me = lookup_source_mapent(ap, path, LKP_DISTINCT);
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@@ -474,22 +474,22 @@ static int umount_subtree_mounts(struct autofs_point *ap, const char *path, unsi
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ind_key++;
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me = lookup_source_mapent(ap, ind_key, LKP_NORMAL);
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- if (!me)
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- return 0;
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}
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- mc = me->mc;
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- is_mm_root = (me->multi == me);
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+ if (me) {
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+ mc = me->mc;
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+ is_mm_root = (me->multi == me);
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+ }
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left = 0;
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- pthread_cleanup_push(cache_lock_cleanup, mc);
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-
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- if (me->multi) {
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+ if (me && me->multi) {
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char root[PATH_MAX];
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char *base;
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int cur_state;
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+ pthread_cleanup_push(cache_lock_cleanup, mc);
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+
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if (!strchr(me->multi->key, '/'))
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/* Indirect multi-mount root */
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/* sprintf okay - if it's mounted, it's
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@@ -516,9 +516,11 @@ static int umount_subtree_mounts(struct autofs_point *ap, const char *path, unsi
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(ap->entry->maps->flags & MAP_FLAG_FORMAT_AMD))
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cache_pop_mapent(me);
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pthread_setcancelstate(cur_state, NULL);
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+ pthread_cleanup_pop(0);
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}
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- pthread_cleanup_pop(1);
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+ if (me)
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+ cache_unlock(mc);
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if (left || is_autofs_fs)
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return left;
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