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NFSv4: Don't request close-to-open attribute when holding a delegation 

If holding a delegation, we do not need to ask the server to return
close-to-open cache consistency attributes as part of the CLOSE
compound.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust 2016-10-27 18:25:04 -04:00
parent 3947b74d0f
commit 3ecefc9295
2 changed files with 10 additions and 3 deletions
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10
fs/nfs/nfs4proc.c
View File

@ -3156,8 +3156,15 @@ static void nfs4_close_prepare(struct rpc_task *task, void *data)
goto out_wait;
}
if (calldata->arg.fmode == 0)
if (calldata->arg.fmode == 0) {
task->tk_msg.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_CLOSE];
/* Close-to-open cache consistency revalidation */
if (!nfs4_have_delegation(inode, FMODE_READ))
calldata->arg.bitmask = NFS_SERVER(inode)->cache_consistency_bitmask;
else
calldata->arg.bitmask = NULL;
}
if (calldata->roc)
pnfs_roc_get_barrier(inode, &calldata->roc_barrier);
@ -3240,7 +3247,6 @@ int nfs4_do_close(struct nfs4_state *state, gfp_t gfp_mask, int wait)
if (IS_ERR(calldata->arg.seqid))
goto out_free_calldata;
calldata->arg.fmode = 0;
calldata->arg.bitmask = server->cache_consistency_bitmask;
calldata->res.fattr = &calldata->fattr;
calldata->res.seqid = calldata->arg.seqid;
calldata->res.server = server;

3
fs/nfs/nfs4xdr.c
View File

@ -2248,7 +2248,8 @@ static void nfs4_xdr_enc_close(struct rpc_rqst *req, struct xdr_stream *xdr,
encode_sequence(xdr, &args->seq_args, &hdr);
encode_putfh(xdr, args->fh, &hdr);
encode_close(xdr, args, &hdr);
encode_getfattr(xdr, args->bitmask, &hdr);
if (args->bitmask != NULL)
encode_getfattr(xdr, args->bitmask, &hdr);
encode_nops(&hdr);
}