From: Madhuparna Bhowmik <madhuparnabhowmik10@xxxxxxxxx>
list_for_each_entry_rcu() has built-in RCU and lock checking.
Pass cond argument to list_for_each_entry_rcu() to silence
false lockdep warning when CONFIG_PROVE_RCU_LIST is enabled
by default.
Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik10@xxxxxxxxx>
---
fs/nfsd/nfs4state.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 369e574c5092..3a80721fe53d 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -4295,7 +4295,8 @@ find_file_locked(struct knfsd_fh *fh, unsigned int hashval)
{
struct nfs4_file *fp;
- hlist_for_each_entry_rcu(fp, &file_hashtbl[hashval], fi_hash) {
+ hlist_for_each_entry_rcu(fp, &file_hashtbl[hashval], fi_hash,
+ lockdep_is_held(&state_lock)) {
if (fh_match(&fp->fi_fhandle, fh)) {
if (refcount_inc_not_zero(&fp->fi_ref))
return fp;
--
2.17.1
