From 085e423b4d51dfe71e1967c9e508d1cb845063d3 Mon Sep 17 00:00:00 2001 From: Andreas Gruenbacher Date: Fri, 13 Sep 2024 23:07:31 +0200 Subject: [PATCH] gfs2: Randomize GLF_VERIFY_DELETE work delay Randomize the delay of GLF_VERIFY_DELETE work. This avoids thundering herd problems when multiple nodes schedule that kind of work in response to an inode being unlinked remotely. Signed-off-by: Andreas Gruenbacher --- fs/gfs2/glock.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 5455f4dd14a3..46a6e97cd930 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -36,6 +36,7 @@ #include #include #include +#include #include "gfs2.h" #include "incore.h" @@ -1018,7 +1019,7 @@ bool gfs2_queue_verify_delete(struct gfs2_glock *gl, bool later) if (test_and_set_bit(GLF_VERIFY_DELETE, &gl->gl_flags)) return false; - delay = later ? 5 * HZ : 0; + delay = later ? HZ + get_random_long() % (HZ * 9) : 0; return queue_delayed_work(sdp->sd_delete_wq, &gl->gl_delete, delay); } -- 2.50.1