[PATCH v1] NFSD: Make the file_delayed_close workqueue UNBOUND

[Chuck Lever <cel@xxxxxxxxxx>]

From: Chuck Lever <chuck.lever@xxxxxxxxxx>

workqueue: nfsd_file_delayed_close [nfsd] hogged CPU for >13333us 8
	times, consider switching to WQ_UNBOUND

There's no harm in closing a cached file descriptor on another core.

Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
---
 fs/nfsd/filecache.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Fodder for v6.8.


diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c
index 07bf219f9ae4..eb0d3fa0e0f9 100644
--- a/fs/nfsd/filecache.c
+++ b/fs/nfsd/filecache.c
@@ -721,7 +721,7 @@ nfsd_file_cache_init(void)
 		return ret;
 
 	ret = -ENOMEM;
-	nfsd_filecache_wq = alloc_workqueue("nfsd_filecache", 0, 0);
+	nfsd_filecache_wq = alloc_workqueue("nfsd_filecache", WQ_UNBOUND, 0);
 	if (!nfsd_filecache_wq)
 		goto out;