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fs: nfsd: fileache.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>
This commit is contained in:
Madhuparna Bhowmik 2020-02-13 20:33:59 +05:30 committed by Chuck Lever
parent 36a8049181
commit 057a227435
1 changed files with 1 additions and 1 deletions
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2
fs/nfsd/filecache.c
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@ -890,7 +890,7 @@ nfsd_file_find_locked(struct inode *inode, unsigned int may_flags,
unsigned char need = may_flags & NFSD_FILE_MAY_MASK;
hlist_for_each_entry_rcu(nf, &nfsd_file_hashtbl[hashval].nfb_head,
nf_node) {
nf_node, lockdep_is_held(&nfsd_file_hashtbl[hashval].nfb_lock)) {
if ((need & nf->nf_may) != need)
continue;
if (nf->nf_inode != inode)