From cb7ec76e73ff6640241c8f1f2f35c81d4005a2d6 Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Fri, 8 Jul 2022 14:26:03 -0400 Subject: [PATCH] NFSD: nfsd_file_hash_remove can compute hashval Remove an unnecessary use of nf_hashval. Reviewed-by: Jeff Layton Signed-off-by: Chuck Lever --- fs/nfsd/filecache.c | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c index 1ff5897..0766f6f39 100644 --- a/fs/nfsd/filecache.c +++ b/fs/nfsd/filecache.c @@ -288,6 +288,18 @@ 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) { @@ -507,11 +519,8 @@ 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); } -- 2.7.4