From: Chuck Lever <chuck.lever@oracle.com>
Date: Fri, 8 Jul 2022 18:26:03 +0000 (-0400)
Subject: NFSD: nfsd_file_hash_remove can compute hashval
X-Git-Tag: v5.15.154~332
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=ec30a456359c494d3a8a80fc30a5215080625d82;p=thirdparty%2Fkernel%2Fstable.git

NFSD: nfsd_file_hash_remove can compute hashval

[ Upstream commit cb7ec76e73ff6640241c8f1f2f35c81d4005a2d6 ]

Remove an unnecessary use of nf_hashval.

Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---

diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c
index 3925df9124c39..dd59deec8b011 100644
--- a/fs/nfsd/filecache.c
+++ b/fs/nfsd/filecache.c
@@ -287,6 +287,18 @@ nfsd_file_do_unhash(struct nfsd_file *nf)
 	atomic_long_dec(&nfsd_filecache_count);
 }
 
+static void
+nfsd_file_hash_remove(struct nfsd_file *nf)
+{
+	struct inode *inode = nf->nf_inode;
+	unsigned int hashval = (unsigned int)hash_long(inode->i_ino,
+				NFSD_FILE_HASH_BITS);
+
+	spin_lock(&nfsd_file_hashtbl[hashval].nfb_lock);
+	nfsd_file_do_unhash(nf);
+	spin_unlock(&nfsd_file_hashtbl[hashval].nfb_lock);
+}
+
 static bool
 nfsd_file_unhash(struct nfsd_file *nf)
 {
@@ -506,11 +518,8 @@ static void nfsd_file_gc_dispose_list(struct list_head *dispose)
 {
 	struct nfsd_file *nf;
 
-	list_for_each_entry(nf, dispose, nf_lru) {
-		spin_lock(&nfsd_file_hashtbl[nf->nf_hashval].nfb_lock);
-		nfsd_file_do_unhash(nf);
-		spin_unlock(&nfsd_file_hashtbl[nf->nf_hashval].nfb_lock);
-	}
+	list_for_each_entry(nf, dispose, nf_lru)
+		nfsd_file_hash_remove(nf);
 	nfsd_file_dispose_list_delayed(dispose);
 }