[v3,22/32] NFSD: nfsd_file_hash_remove can compute hashval

Commit Message

Chuck Lever July 8, 2022, 6:26 p.m. UTC

Remove an unnecessary use of nf_hashval.

Signed-off-by: Chuck Lever <[e-mail]>
---
 fs/nfsd/filecache.c |   19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

Patch

diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c
index 26d10e3c4e70..490e7d7da7d2 100644
--- a/fs/nfsd/filecache.c
+++ b/fs/nfsd/filecache.c
@@ -294,6 +294,18 @@  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)
 {
@@ -513,11 +525,8 @@  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);
 }