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| author | Peng Tao <tao.peng@primarydata.com> | 2015-12-05 10:01:01 +0100 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-12-28 20:32:38 +0100 |
| commit | 7c1e6e58e2aa8b95d1b9888db1945eb0a388efb9 (patch) | |
| tree | 4aa247793c45f94ddd215311354156ee7aa7422a | |
| parent | nfs: only remove page from mapping if launder_page fails (diff) | |
| download | linux-7c1e6e58e2aa8b95d1b9888db1945eb0a388efb9.tar.xz linux-7c1e6e58e2aa8b95d1b9888db1945eb0a388efb9.zip | |
NFS41: map NFS4ERR_LAYOUTUNAVAILABLE to ENODATA
Instead of mapping it to EIO that is a fatal error and
fails application. We'll go inband after getting
NFS4ERR_LAYOUTUNAVAILABLE.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
| -rw-r--r-- | fs/nfs/nfs4proc.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 18d862db15b6..0065bbdc53c3 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -7795,6 +7795,15 @@ static void nfs4_layoutget_done(struct rpc_task *task, void *calldata) switch (task->tk_status) { case 0: goto out; + + /* + * NFS4ERR_LAYOUTUNAVAILABLE means we are not supposed to use pnfs + * on the file. set tk_status to -ENODATA to tell upper layer to + * retry go inband. + */ + case -NFS4ERR_LAYOUTUNAVAILABLE: + task->tk_status = -ENODATA; + goto out; /* * NFS4ERR_BADLAYOUT means the MDS cannot return a layout of * length lgp->args.minlength != 0 (see RFC5661 section 18.43.3). |