Return-Path: Received: from int-mailstore01.merit.edu ([207.75.116.232]:60615 "EHLO int-mailstore01.merit.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754542Ab1FLXoD (ORCPT ); Sun, 12 Jun 2011 19:44:03 -0400 Message-Id: <7f60aa4b7494834319738eb61a05057bc86a498d.1307921138.git.rees@umich.edu> In-Reply-To: References: Date: Sun, 12 Jun 2011 19:44:01 -0400 Subject: [PATCH 06/34] pnfs: cleanup_layoutcommit From: Jim Rees To: linux-nfs@vger.kernel.org Cc: peter honeyman Sender: linux-nfs-owner@vger.kernel.org List-ID: Content-Type: text/plain MIME-Version: 1.0 From: Peng Tao This gives layout driver a chance to cleanup structures they put in. Also ensure layoutcommit does not commit more than isize, as block layout driver may dirty pages beyond EOF. Signed-off-by: Andy Adamson [fixup layout header pointer for layoutcommit] Signed-off-by: Benny Halevy Signed-off-by: Peng Tao --- fs/nfs/nfs4proc.c | 1 + fs/nfs/nfs4xdr.c | 3 ++- fs/nfs/pnfs.c | 15 +++++++++++++++ fs/nfs/pnfs.h | 4 ++++ include/linux/nfs_xdr.h | 1 + 5 files changed, 23 insertions(+), 1 deletions(-) diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 5246db8..e27a648 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -5890,6 +5890,7 @@ static void nfs4_layoutcommit_release(void *calldata) { struct nfs4_layoutcommit_data *data = calldata; + pnfs_cleanup_layoutcommit(data->args.inode, data); /* Matched by references in pnfs_set_layoutcommit */ put_lseg(data->lseg); put_rpccred(data->cred); diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index fdcbd8f..57295d1 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -1963,7 +1963,7 @@ encode_layoutcommit(struct xdr_stream *xdr, *p++ = cpu_to_be32(OP_LAYOUTCOMMIT); /* Only whole file layouts */ p = xdr_encode_hyper(p, 0); /* offset */ - p = xdr_encode_hyper(p, NFS4_MAX_UINT64); /* length */ + p = xdr_encode_hyper(p, args->lastbytewritten+1); /* length */ *p++ = cpu_to_be32(0); /* reclaim */ p = xdr_encode_opaque_fixed(p, args->stateid.data, NFS4_STATEID_SIZE); *p++ = cpu_to_be32(1); /* newoffset = TRUE */ @@ -5467,6 +5467,7 @@ static int decode_layoutcommit(struct xdr_stream *xdr, int status; status = decode_op_hdr(xdr, OP_LAYOUTCOMMIT); + res->status = status; if (status) return status; diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index e693718..48a06a1 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -1248,6 +1248,7 @@ pnfs_set_layoutcommit(struct nfs_write_data *wdata) { struct nfs_inode *nfsi = NFS_I(wdata->inode); loff_t end_pos = wdata->mds_offset + wdata->res.count; + loff_t isize = i_size_read(wdata->inode); bool mark_as_dirty = false; spin_lock(&nfsi->vfs_inode.i_lock); @@ -1261,9 +1262,13 @@ pnfs_set_layoutcommit(struct nfs_write_data *wdata) dprintk("%s: Set layoutcommit for inode %lu ", __func__, wdata->inode->i_ino); } + if (end_pos > isize) + end_pos = isize; if (end_pos > wdata->lseg->pls_end_pos) wdata->lseg->pls_end_pos = end_pos; spin_unlock(&nfsi->vfs_inode.i_lock); + dprintk("%s: lseg %p end_pos %llu\n", + __func__, wdata->lseg, wdata->lseg->pls_end_pos); /* if pnfs_layoutcommit_inode() runs between inode locks, the next one * will be a noop because NFS_INO_LAYOUTCOMMIT will not be set */ @@ -1272,6 +1277,16 @@ pnfs_set_layoutcommit(struct nfs_write_data *wdata) } EXPORT_SYMBOL_GPL(pnfs_set_layoutcommit); +void pnfs_cleanup_layoutcommit(struct inode *inode, + struct nfs4_layoutcommit_data *data) +{ + struct nfs_server *nfss = NFS_SERVER(inode); + + if (nfss->pnfs_curr_ld->cleanup_layoutcommit) + nfss->pnfs_curr_ld->cleanup_layoutcommit( + NFS_I(inode)->layout, data); +} + void pnfs_free_fsdata(struct pnfs_fsdata *fsdata) { /* lseg refcounting handled directly in nfs_write_end */ diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h index 525ec55..5048898 100644 --- a/fs/nfs/pnfs.h +++ b/fs/nfs/pnfs.h @@ -127,6 +127,9 @@ struct pnfs_layoutdriver_type { struct xdr_stream *xdr, const struct nfs4_layoutreturn_args *args); + void (*cleanup_layoutcommit) (struct pnfs_layout_hdr *layoutid, + struct nfs4_layoutcommit_data *data); + void (*encode_layoutcommit) (struct pnfs_layout_hdr *layoutid, struct xdr_stream *xdr, const struct nfs4_layoutcommit_args *args); @@ -213,6 +216,7 @@ void pnfs_roc_release(struct inode *ino); void pnfs_roc_set_barrier(struct inode *ino, u32 barrier); bool pnfs_roc_drain(struct inode *ino, u32 *barrier); void pnfs_set_layoutcommit(struct nfs_write_data *wdata); +void pnfs_cleanup_layoutcommit(struct inode *inode, struct nfs4_layoutcommit_data *data); int pnfs_layoutcommit_inode(struct inode *inode, bool sync); int _pnfs_return_layout(struct inode *); int pnfs_ld_write_done(struct nfs_write_data *); diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index a9c43ba..2c3ffda 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -270,6 +270,7 @@ struct nfs4_layoutcommit_res { struct nfs_fattr *fattr; const struct nfs_server *server; struct nfs4_sequence_res seq_res; + int status; }; struct nfs4_layoutcommit_data { -- 1.7.4.1