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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-08-28 20:25:43 +0300 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-08-28 21:23:26 +0300 |
| commit | 045d2a6d076a2ecd7043ea543ea198af943f8b16 (patch) | |
| tree | 19a7f27abb8e531c90b5de29619184d219a9d329 /fs/nfs/callback_proc.c | |
| parent | e09c978aae5bedfdb379be80363b024b7d82638b (diff) | |
| download | linux-045d2a6d076a2ecd7043ea543ea198af943f8b16.tar.xz | |
NFSv4.1: Delay callback processing when there are referring triples
If CB_SEQUENCE tells us that the processing of this request depends on
the completion of one or more referring triples (see RFC 5661 Section
2.10.6.3), delay the callback processing until after the RPC requests
being referred to have completed.
If we end up delaying for more than 1/2 second, then fall back to
returning NFS4ERR_DELAY in reply to the callback.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/callback_proc.c')
| -rw-r--r-- | fs/nfs/callback_proc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c index a4cf6d2c14a4..c35932967722 100644 --- a/fs/nfs/callback_proc.c +++ b/fs/nfs/callback_proc.c @@ -454,8 +454,8 @@ static bool referring_call_exists(struct nfs_client *clp, ((u32 *)&rclist->rcl_sessionid.data)[3], ref->rc_sequenceid, ref->rc_slotid); - status = nfs4_slot_seqid_in_use(tbl, ref->rc_slotid, - ref->rc_sequenceid); + status = nfs4_slot_wait_on_seqid(tbl, ref->rc_slotid, + ref->rc_sequenceid, HZ >> 1) < 0; if (status) goto out; } |