diff options
| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-09-23 11:38:08 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-12-02 23:37:45 -0500 |
| commit | 4d796d751cefdb942a54c570bd3087d8be3bb893 (patch) | |
| tree | 52d97c2b7a3a6d8d3b67cdec678fd11c56ef5db9 /fs | |
| parent | f8c3cf9d7d7f04718e0d51c28f8430afa6058b3b (diff) | |
pNFS: Allow layout drivers to manage private data in struct nfs4_layoutreturn
Cleanup to allow layout drivers to attach private data to layoutreturn,
and manage the data.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/nfs/nfs4proc.c | 6 | ||||
| -rw-r--r-- | fs/nfs/nfs4xdr.c | 4 | ||||
| -rw-r--r-- | fs/nfs/pnfs.c | 1 |
3 files changed, 10 insertions, 1 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 1c629f5e1ae5..f992281c9b29 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -3039,6 +3039,7 @@ struct nfs4_closedata { struct { struct nfs4_layoutreturn_args arg; struct nfs4_layoutreturn_res res; + struct nfs4_xdr_opaque_data ld_private; u32 roc_barrier; bool roc; } lr; @@ -3267,6 +3268,7 @@ 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->lr.arg.ld_private = &calldata->lr.ld_private; calldata->res.fattr = &calldata->fattr; calldata->res.seqid = calldata->arg.seqid; calldata->res.server = server; @@ -5599,6 +5601,7 @@ struct nfs4_delegreturndata { struct { struct nfs4_layoutreturn_args arg; struct nfs4_layoutreturn_res res; + struct nfs4_xdr_opaque_data ld_private; u32 roc_barrier; bool roc; } lr; @@ -5735,6 +5738,7 @@ static int _nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, co data->res.fattr = &data->fattr; data->res.server = server; data->res.lr_ret = -NFS4ERR_NOMATCHING_LAYOUT; + data->lr.arg.ld_private = &data->lr.ld_private; nfs_fattr_init(data->res.fattr); data->timestamp = jiffies; data->rpc_status = 0; @@ -8633,6 +8637,8 @@ static void nfs4_layoutreturn_release(void *calldata) nfs4_sequence_free_slot(&lrp->res.seq_res); pnfs_put_layout_hdr(lrp->args.layout); nfs_iput_and_deactive(lrp->inode); + if (lrp->ld_private.ops && lrp->ld_private.ops->free) + lrp->ld_private.ops->free(&lrp->ld_private); kfree(calldata); dprintk("<-- %s\n", __func__); } diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index 84fdcf27138c..1c1768a8fcd1 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -2035,7 +2035,9 @@ encode_layoutreturn(struct xdr_stream *xdr, spin_lock(&args->inode->i_lock); encode_nfs4_stateid(xdr, &args->stateid); spin_unlock(&args->inode->i_lock); - if (lr_ops->encode_layoutreturn) + if (args->ld_private->ops && args->ld_private->ops->encode) + args->ld_private->ops->encode(xdr, args, args->ld_private); + else if (lr_ops->encode_layoutreturn) lr_ops->encode_layoutreturn(xdr, args); else encode_uint32(xdr, 0); diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index 0b25a1c820ba..4631d15227ae 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -1086,6 +1086,7 @@ pnfs_send_layoutreturn(struct pnfs_layout_hdr *lo, const nfs4_stateid *stateid, } pnfs_init_layoutreturn_args(&lrp->args, lo, stateid, iomode); + lrp->args.ld_private = &lrp->ld_private; lrp->clp = NFS_SERVER(ino)->nfs_client; lrp->cred = lo->plh_lc_cred; |