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[v2,6/6] NFSD: nfsd_file_put() can sleep

Message ID 165341864964.3187.10891043744511023924.stgit@bazille.1015granger.net (mailing list archive)
State New
Headers show
Series RELEASE_LOCKOWNER discussion, cont... | expand

Commit Message

Chuck Lever III May 24, 2022, 6:57 p.m. UTC
Now that there are no more callers of nfsd_file_put() that might
hold a spin lock, ensure the lockdep infrastructure can catch
newly introduced calls to nfsd_file_put() made while a spinlock
is held.

Link: https://lore.kernel.org/linux-nfs/ece7fd1d-5fb3-5155-54ba-347cfc19bd9a@oracle.com/T/#mf1855552570cf9a9c80d1e49d91438cd9085aada
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
 fs/nfsd/filecache.c |    2 ++
 1 file changed, 2 insertions(+)
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diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c
index a7e3a443a2cb..d32fcd8ad457 100644
--- a/fs/nfsd/filecache.c
+++ b/fs/nfsd/filecache.c
@@ -302,6 +302,8 @@  nfsd_file_put_noref(struct nfsd_file *nf)
 nfsd_file_put(struct nfsd_file *nf)
+	might_sleep();
 	set_bit(NFSD_FILE_REFERENCED, &nf->nf_flags);
 	if (test_bit(NFSD_FILE_HASHED, &nf->nf_flags) == 0) {