From: David Howells dhowells@redhat.com
[ Upstream commit 7530d3eb3dcf1a30750e8e7f1f88b782b96b72b8 ]
Don't give an assertion failure on unpurgeable afs_server records - which kills the thread - but rather emit a trace line when we are purging a record (which only happens during network namespace removal or rmmod) and print a notice of the problem.
Signed-off-by: David Howells dhowells@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/afs/server.c | 7 ++++++- include/trace/events/afs.h | 2 ++ 2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/fs/afs/server.c b/fs/afs/server.c index e82e452e26124..684a2b02b9ff7 100644 --- a/fs/afs/server.c +++ b/fs/afs/server.c @@ -550,7 +550,12 @@ void afs_manage_servers(struct work_struct *work)
_debug("manage %pU %u", &server->uuid, active);
- ASSERTIFCMP(purging, active, ==, 0); + if (purging) { + trace_afs_server(server, atomic_read(&server->ref), + active, afs_server_trace_purging); + if (active != 0) + pr_notice("Can't purge s=%08x\n", server->debug_id); + }
if (active == 0) { time64_t expire_at = server->unuse_time; diff --git a/include/trace/events/afs.h b/include/trace/events/afs.h index 5f0c1cf1ea130..55d53234bfdf6 100644 --- a/include/trace/events/afs.h +++ b/include/trace/events/afs.h @@ -40,6 +40,7 @@ enum afs_server_trace { afs_server_trace_get_new_cbi, afs_server_trace_get_probe, afs_server_trace_give_up_cb, + afs_server_trace_purging, afs_server_trace_put_call, afs_server_trace_put_cbi, afs_server_trace_put_find_rsq, @@ -270,6 +271,7 @@ enum afs_cb_break_reason { EM(afs_server_trace_get_new_cbi, "GET cbi ") \ EM(afs_server_trace_get_probe, "GET probe") \ EM(afs_server_trace_give_up_cb, "giveup-cb") \ + EM(afs_server_trace_purging, "PURGE ") \ EM(afs_server_trace_put_call, "PUT call ") \ EM(afs_server_trace_put_cbi, "PUT cbi ") \ EM(afs_server_trace_put_find_rsq, "PUT f-rsq") \