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authorJeff Layton <jlayton@redhat.com>2016-10-20 18:21:34 +0200
committerJ. Bruce Fields <bfields@redhat.com>2016-11-01 20:47:43 +0100
commit851238a22f3be7323feed6a62a6882c284b2f0a5 (patch)
tree22308c7ee8596b7328260ea6f929197c9a69abf6 /fs/nfsd
parentnfsd: more robust allocation failure handling in nfsd_reply_cache_init (diff)
downloadlinux-851238a22f3be7323feed6a62a6882c284b2f0a5.tar.xz
linux-851238a22f3be7323feed6a62a6882c284b2f0a5.zip
nfsd: fix error handling for clients that fail to return the layout
Currently, when the client continually returns NFS4ERR_DELAY on a CB_LAYOUTRECALL, we'll give up trying to retransmit after two lease periods, but leave the layout in place. What we really need to do here is fence the client in this case. Have it fall through to that code in that case instead of into the NFS4ERR_NOMATCHING_LAYOUT case. Signed-off-by: Jeff Layton <jlayton@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd')
-rw-r--r--fs/nfsd/nfs4layouts.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/nfsd/nfs4layouts.c b/fs/nfsd/nfs4layouts.c
index 42aace4fc4c8..596205d939a1 100644
--- a/fs/nfsd/nfs4layouts.c
+++ b/fs/nfsd/nfs4layouts.c
@@ -686,10 +686,6 @@ nfsd4_cb_layout_done(struct nfsd4_callback *cb, struct rpc_task *task)
return 0;
}
/* Fallthrough */
- case -NFS4ERR_NOMATCHING_LAYOUT:
- trace_layout_recall_done(&ls->ls_stid.sc_stateid);
- task->tk_status = 0;
- return 1;
default:
/*
* Unknown error or non-responding client, we'll need to fence.
@@ -702,6 +698,10 @@ nfsd4_cb_layout_done(struct nfsd4_callback *cb, struct rpc_task *task)
else
nfsd4_cb_layout_fail(ls);
return -1;
+ case -NFS4ERR_NOMATCHING_LAYOUT:
+ trace_layout_recall_done(&ls->ls_stid.sc_stateid);
+ task->tk_status = 0;
+ return 1;
}
}