Messages in this thread Patch in this message | | | From | madhuparnabhowmik10@gmail ... | Subject | [PATCH] fs: nfsd: fileache.c: Use built-in RCU list checking | Date | Thu, 13 Feb 2020 20:33:59 +0530 |
| |
From: Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com>
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> --- fs/nfsd/filecache.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c index 32a9bf22ac08..547d2d8bde62 100644 --- a/fs/nfsd/filecache.c +++ b/fs/nfsd/filecache.c @@ -736,7 +736,7 @@ 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) -- 2.17.1
| |