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[v3,20/32] NFSD: nfsd_file_unhash can compute hashval from nf->nf_inode

Message ID 165730475060.28142.14726346523030574955.stgit@klimt.1015granger.net (mailing list archive)
State Not Applicable
Headers show
Series Overhaul NFSD filecache | expand

Checks

Context Check Description
netdev/tree_selection success Not a local patch

Commit Message

Chuck Lever III July 8, 2022, 6:25 p.m. UTC 
Remove an unnecessary usage of nf_hashval.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
 fs/nfsd/filecache.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
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Patch

diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c
index 278a13d85e8f..4143898fff37 100644
--- a/fs/nfsd/filecache.c
+++ b/fs/nfsd/filecache.c
@@ -279,13 +279,17 @@  static void nfsd_file_lru_remove(struct nfsd_file *nf)
 static void
 nfsd_file_do_unhash(struct nfsd_file *nf)
 {
-	lockdep_assert_held(&nfsd_file_hashtbl[nf->nf_hashval].nfb_lock);
+	struct inode *inode = nf->nf_inode;
+	unsigned int hashval = (unsigned int)hash_long(inode->i_ino,
+				NFSD_FILE_HASH_BITS);
+
+	lockdep_assert_held(&nfsd_file_hashtbl[hashval].nfb_lock);
 
 	trace_nfsd_file_unhash(nf);
 
 	if (nfsd_file_check_write_error(nf))
 		nfsd_reset_write_verifier(net_generic(nf->nf_net, nfsd_net_id));
-	--nfsd_file_hashtbl[nf->nf_hashval].nfb_count;
+	--nfsd_file_hashtbl[hashval].nfb_count;
 	hlist_del_rcu(&nf->nf_node);
 	atomic_long_dec(&nfsd_filecache_count);
 }