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authorMadhuparna Bhowmik <madhuparnabhowmik10@gmail.com>2020-02-13 20:33:31 +0530
committerChuck Lever <chuck.lever@oracle.com>2020-03-16 12:04:31 -0400
commit36a8049181d590939a793e55105bb5921ec8c8b8 (patch)
treecec7bd777b521fdd963a211d3ac84112417d3e6a /fs/nfsd
parentc0fb23f867b632293500d7900e0288cf17bfcb1a (diff)
downloadlinux-36a8049181d590939a793e55105bb5921ec8c8b8.tar.bz2
fs: nfsd: nfs4state.c: Use built-in RCU list checking
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@gmail.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'fs/nfsd')
-rw-r--r--fs/nfsd/nfs4state.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 65cfe9ab47be..c1f347bbf8f4 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -4343,7 +4343,8 @@ 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;