Marten Gajda <marten.gajda@xxxxxxxxxxxxxxxx> states:
I tracked the problem down to the function nfs4_do_open_expired.
Within this function _nfs4_open_expired is called and may return
-NFS4ERR_DELAY. When a further call to _nfs4_open_expired is
executed and does not return -NFS4ERR_DELAY the "exception.retry"
variable is not reset to 0, causing the loop to iterate again
(and as long as err != -NFS4ERR_DELAY, probably forever)
Signed-off-by: Trond Myklebust <Trond.Myklebust@xxxxxxxxxx>
---
fs/nfs/nfs4proc.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index e8df52d..49eebe2 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1104,8 +1104,9 @@ static inline int nfs4_do_open_expired(struct nfs_open_context *ctx, struct nfs4
do {
err = _nfs4_open_expired(ctx, state);
- if (err == -NFS4ERR_DELAY)
- nfs4_handle_exception(server, err, &exception);
+ if (err != -NFS4ERR_DELAY)
+ break;
+ nfs4_handle_exception(server, err, &exception);
} while (exception.retry);
return err;
}
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