Return-Path: Received: from mx2.netapp.com ([216.240.18.37]:65354 "EHLO mx2.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756051Ab0KLIt1 (ORCPT ); Fri, 12 Nov 2010 03:49:27 -0500 Received: from localhost.localdomain (hess01-lxp.hq.netapp.com [10.58.60.52] (may be forged)) by smtp1.corp.netapp.com (8.13.1/8.13.1/NTAP-1.6) with ESMTP id oAC8n7fV025967 for ; Fri, 12 Nov 2010 00:49:23 -0800 (PST) From: Fred Isaman To: linux-nfs@vger.kernel.org Subject: [PATCH 21/22] pnfs_submit: roc add layoutcommit op to close compound Date: Fri, 12 Nov 2010 03:48:43 -0500 Message-Id: <1289551724-18575-22-git-send-email-iisaman@netapp.com> In-Reply-To: <1289551724-18575-1-git-send-email-iisaman@netapp.com> References: <1289551724-18575-1-git-send-email-iisaman@netapp.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: Content-Type: text/plain MIME-Version: 1.0 From: Andy Adamson Place the layoutcommi operation prior to the close operation in the close compound so that the filehandle is still valid. If the layoutcommit fails, a retry of the close compound, which retries with rpc_restart_call_prepare and so calls pnfs_roc again, will not include the layoutcommit operation, as the layoutcommit_needed test will be false having been satisfied by the failed compound. Signed-off-by: Andy Adamson Signed-off-by: Fred Isaman --- fs/nfs/nfs4xdr.c | 11 +++++++++-- fs/nfs/pnfs.c | 9 ++++++++- include/linux/nfs_xdr.h | 2 ++ 3 files changed, 19 insertions(+), 3 deletions(-) diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index f11870e..b016ec8 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -439,13 +439,15 @@ static int nfs4_stat_to_errno(int); encode_putfh_maxsz + \ encode_close_maxsz + \ encode_getattr_maxsz + \ - encode_layoutreturn_maxsz) + encode_layoutreturn_maxsz + \ + encode_layoutcommit_maxsz) #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ decode_sequence_maxsz + \ decode_putfh_maxsz + \ decode_close_maxsz + \ decode_getattr_maxsz + \ - decode_layoutreturn_maxsz) + decode_layoutreturn_maxsz + \ + decode_layoutcommit_maxsz) #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ encode_sequence_maxsz + \ encode_putfh_maxsz + \ @@ -2136,6 +2138,8 @@ static int nfs4_xdr_enc_close(struct rpc_rqst *req, __be32 *p, struct nfs_closea encode_compound_hdr(&xdr, req, &hdr); encode_sequence(&xdr, &args->seq_args, &hdr); encode_putfh(&xdr, args->fh, &hdr); + if (args->op_bitmask & NFS4_HAS_LAYOUTCOMMIT) /* layoutcommit set */ + encode_layoutcommit(&xdr, &args->lc_args, &hdr); encode_close(&xdr, args, &hdr); encode_getfattr(&xdr, args->bitmask, &hdr); if (args->op_bitmask & NFS4_HAS_LAYOUTRETURN) /* layoutreturn set */ @@ -5705,6 +5709,9 @@ static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, __be32 *p, struct nfs_clos status = decode_putfh(&xdr); if (status) goto out; + /* We pay no attention to the layoutcommit return */ + if (res->op_bitmask & NFS4_HAS_LAYOUTCOMMIT) + decode_layoutcommit(&xdr); status = decode_close(&xdr, res); if (status != 0) goto out; diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index f2ec773..15673d0 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -627,7 +627,6 @@ pnfs_return_layout_barrier(struct nfs_inode *nfsi, * Return on close * * No LAYOUTRETURNS can be sent when BULK RECALL flag is set. - * FIXME: add layoutcommit operation if layoutcommit_needed is true. */ bool pnfs_roc(struct nfs4_closedata *data) @@ -655,6 +654,14 @@ pnfs_roc(struct nfs4_closedata *data) } if (found == false) goto out_nolayout; + + /* Add layoutcommit operation if needed */ + if (layoutcommit_needed(NFS_I(data->inode))) { + pnfs_layoutcommit_setup(data->inode, &data->arg.lc_args, false); + data->res.op_bitmask |= NFS4_HAS_LAYOUTCOMMIT; + data->arg.op_bitmask |= NFS4_HAS_LAYOUTCOMMIT; + } + /* Stop new and drop response to outstanding LAYOUTGETS */ lo->plh_block_lgets++; lo->plh_outstanding++; diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index 851b09f..d4c4804 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -353,6 +353,7 @@ struct nfs_open_confirmres { /* op_bitmask bits */ #define NFS4_HAS_LAYOUTRETURN 0x01 +#define NFS4_HAS_LAYOUTCOMMIT 0x02 struct nfs_closeargs { struct nfs_fh * fh; @@ -361,6 +362,7 @@ struct nfs_closeargs { fmode_t fmode; const u32 * bitmask; u32 op_bitmask; /* which optional ops to encode */ + struct nfs4_layoutcommit_op_args lc_args; /* optional */ struct nfs4_layoutreturn_args lr_args; /* optional */ struct nfs4_sequence_args seq_args; }; -- 1.7.2.1