This is a note to let you know that I've just added the patch titled
NFSD: Remove lockdep assertion from unhash_and_release_locked()
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
nfsd-remove-lockdep-assertion-from-unhash_and_releas.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 8643020a6c4f36559a93cad013443636dd929252
Author: Chuck Lever <chuck.lever@xxxxxxxxxx>
Date: Fri Jul 8 14:25:44 2022 -0400
NFSD: Remove lockdep assertion from unhash_and_release_locked()
[ Upstream commit f53cef15dddec7203df702cdc62e554190385450 ]
IIUC, holding the hash bucket lock is needed only in
nfsd_file_unhash, and there is already a lockdep assertion there.
Reviewed-by: Jeff Layton <jlayton@xxxxxxxxxx>
Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c
index 2d013a88e3565..6a01de8677959 100644
--- a/fs/nfsd/filecache.c
+++ b/fs/nfsd/filecache.c
@@ -299,8 +299,6 @@ nfsd_file_unhash(struct nfsd_file *nf)
static bool
nfsd_file_unhash_and_release_locked(struct nfsd_file *nf, struct list_head *dispose)
{
- lockdep_assert_held(&nfsd_file_hashtbl[nf->nf_hashval].nfb_lock);
-
trace_nfsd_file_unhash_and_release_locked(nf);
if (!nfsd_file_unhash(nf))
return false;
