[PATCH 1/4] gfs2: Enable automatic glock hash table shrinking

Andreas Gruenbacher <[email protected]> Tue, 28 Jul 2026 18:41:21 +0200
Newsgroups dev.linux.lists.gfs2
Message-ID <[email protected]>
All of the examiner functions passed to glock_hash_walk() can deal with glock
hash table resizes and the resulting repeat visiting of glocks, so we can allow
automatic glock hash table shrinking.

Signed-off-by: Andreas Gruenbacher <[email protected]>
---
 fs/gfs2/glock.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index b8a144d3a73b..0a93824424d5 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -78,6 +78,7 @@ static const struct rhashtable_params ht_parms = {
 	.key_len = offsetofend(struct lm_lockname, ln_type),
 	.key_offset = offsetof(struct gfs2_glock, gl_name),
 	.head_offset = offsetof(struct gfs2_glock, gl_node),
+	.automatic_shrinking = true,
 };
 
 static struct rhashtable gl_hash_table;
-- 
2.55.0