From patchwork Sat May 21 11:06:28 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Boaz Harrosh X-Patchwork-Id: 805692 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter2.kernel.org (8.14.4/8.14.3) with ESMTP id p4LB6bXH020686 for ; Sat, 21 May 2011 11:06:39 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754830Ab1EULGg (ORCPT ); Sat, 21 May 2011 07:06:36 -0400 Received: from daytona.panasas.com ([67.152.220.89]:20232 "EHLO daytona.panasas.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754816Ab1EULGf (ORCPT ); Sat, 21 May 2011 07:06:35 -0400 Received: from fs2.bhalevy.com ([172.17.33.46]) by daytona.panasas.com with Microsoft SMTPSVC(6.0.3790.4675); Sat, 21 May 2011 07:06:33 -0400 Message-ID: <4DD79CB4.5000200@panasas.com> Date: Sat, 21 May 2011 14:06:28 +0300 From: Boaz Harrosh User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110430 Remi/fc12 Thunderbird/3.1.10 MIME-Version: 1.0 To: Benny Halevy , Trond Myklebust , NFS list Subject: pnfs-obj: git diff pnfs-all-2.6.38 to pnfs-submit. Without the reordering References: <4DD79273.9030202@panasas.com> <1305973798-17250-1-git-send-email-bharrosh@panasas.com> In-Reply-To: <1305973798-17250-1-git-send-email-bharrosh@panasas.com> X-OriginalArrivalTime: 21 May 2011 11:06:33.0847 (UTC) FILETIME=[253A8070:01CC17A7] Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter2.kernel.org [140.211.167.43]); Sat, 21 May 2011 11:06:39 +0000 (UTC) Just for review. These are the actual code changes made by Benny since the last tests at Connectathon Thanks Boaz --- git diff --stat -p -M pnfs/pnfs-all-2.6.38 REORDER_REVERT -- fs/nfs/objlayout/ include/linux/pnfs_osd_xdr.h fs/nfs/objlayout/Kbuild | 2 +- fs/nfs/objlayout/objio_osd.c | 39 +---------- fs/nfs/objlayout/objlayout.c | 121 ++++++++++++++++------------------- fs/nfs/objlayout/objlayout.h | 19 ++---- fs/nfs/objlayout/panfs_shim.c | 18 +----- fs/nfs/objlayout/pnfs_osd_xdr_cli.c | 55 +++++++--------- include/linux/pnfs_osd_xdr.h | 26 ++++---- 7 files changed, 102 insertions(+), 178 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/fs/nfs/objlayout/Kbuild b/fs/nfs/objlayout/Kbuild index 9addfe8..6cb585f 100644 --- a/fs/nfs/objlayout/Kbuild +++ b/fs/nfs/objlayout/Kbuild @@ -1,7 +1,7 @@ # # Makefile for the pNFS Objects Layout Driver kernel module # -objlayoutdriver-y := pnfs_osd_xdr_cli.o objlayout.o objio_osd.o +objlayoutdriver-y := objio_osd.o pnfs_osd_xdr_cli.o objlayout.o obj-$(CONFIG_PNFS_OBJLAYOUT) += objlayoutdriver.o # diff --git a/fs/nfs/objlayout/objio_osd.c b/fs/nfs/objlayout/objio_osd.c index ea19404..a2cb9a3 100644 --- a/fs/nfs/objlayout/objio_osd.c +++ b/fs/nfs/objlayout/objio_osd.c @@ -1,12 +1,10 @@ /* - * objio_osd.c - * * pNFS Objects layout implementation over open-osd initiator library * - * Copyright (C) 2009 Panasas Inc. + * Copyright (C) 2009 Panasas Inc. [year of first publication] * All rights reserved. * - * Benny Halevy + * Benny Halevy * Boaz Harrosh * * This program is free software; you can redistribute it and/or modify @@ -40,11 +38,7 @@ */ #include -#include -#include #include -#include -#include #include "objlayout.h" @@ -855,7 +849,7 @@ static ssize_t _write_done(struct objio_state *ios) if (likely(!ret)) { /* FIXME: should be based on the OSD's persistence model * See OSD2r05 Section 4.13 Data persistence model */ - ios->ol_state.committed = NFS_UNSTABLE; //NFS_FILE_SYNC; + ios->ol_state.committed = NFS_FILE_SYNC; status = ios->length; } else { status = ret; @@ -909,7 +903,6 @@ static int _write_mirrors(struct objio_state *ios, unsigned cur_comp) per_dev->offset = master_dev->offset; } else { bio = master_dev->bio; - /* FIXME: bio_set_dir() */ bio->bi_rw |= REQ_WRITE; } @@ -966,34 +959,13 @@ ssize_t objio_write_pagelist(struct objlayout_io_state *ol_state, bool stable) return _write_exec(ios); } -/* - * Policy Operations - */ - -/* - * Get the max [rw]size - */ -static ssize_t -objlayout_get_blocksize(void) -{ - ssize_t sz = BIO_MAX_PAGES_KMALLOC * PAGE_SIZE; - - return sz; -} - -/* - * Don't gather across stripes, but rather gather (coalesce) up to - * the stripe size. - * - * FIXME: change interface to use merge_align, merge_count - */ static struct pnfs_layoutdriver_type objlayout_type = { .id = LAYOUT_OSD2_OBJECTS, .name = "LAYOUT_OSD2_OBJECTS", .flags = PNFS_LAYOUTRET_ON_SETATTR, .set_layoutdriver = objlayout_set_layoutdriver, - .clear_layoutdriver = objlayout_clear_layoutdriver, + .unset_layoutdriver = objlayout_unset_layoutdriver, .alloc_layout_hdr = objlayout_alloc_layout_hdr, .free_layout_hdr = objlayout_free_layout_hdr, @@ -1001,11 +973,8 @@ static struct pnfs_layoutdriver_type objlayout_type = { .alloc_lseg = objlayout_alloc_lseg, .free_lseg = objlayout_free_lseg, - .get_blocksize = objlayout_get_blocksize, - .read_pagelist = objlayout_read_pagelist, .write_pagelist = objlayout_write_pagelist, - .commit = objlayout_commit, .encode_layoutcommit = objlayout_encode_layoutcommit, .encode_layoutreturn = objlayout_encode_layoutreturn, diff --git a/fs/nfs/objlayout/objlayout.c b/fs/nfs/objlayout/objlayout.c index 14a1e97..a04e232 100644 --- a/fs/nfs/objlayout/objlayout.c +++ b/fs/nfs/objlayout/objlayout.c @@ -1,9 +1,7 @@ /* - * objlayout.c + * pNFS Objects layout driver high level definitions * - * pNFS layout driver for Panasas OSDs - * - * Copyright (C) 2007-2009 Panasas Inc. + * Copyright (C) 2007 Panasas Inc. [year of first publication] * All rights reserved. * * Benny Halevy @@ -84,23 +82,39 @@ struct pnfs_layout_segment * objlayout_alloc_lseg(struct pnfs_layout_hdr *pnfslay, struct nfs4_layoutget_res *lgr) { - int status; - void *layout = lgr->layout.buf; - struct objlayout_segment *objlseg; + int status = -ENOMEM; + struct xdr_stream stream; + struct xdr_buf buf = { + .pages = lgr->layoutp->pages, + .page_len = lgr->layoutp->len, + .buflen = lgr->layoutp->len, + .len = lgr->layoutp->len, + }; + struct page *scratch; + __be32 *p; + struct objlayout_segment *objlseg = NULL; struct pnfs_osd_layout *pnfs_osd_layout; - dprintk("%s: Begin pnfslay %p layout %p\n", __func__, pnfslay, layout); + dprintk("%s: Begin pnfslay %p\n", __func__, pnfslay); + + scratch = alloc_page(GFP_KERNEL); + if (!scratch) + goto err_nofree; + + xdr_init_decode(&stream, &buf, NULL); + xdr_set_scratch_buffer(&stream, page_address(scratch), PAGE_SIZE); - BUG_ON(!layout); + p = xdr_inline_decode(&stream, pnfs_osd_data_map_xdr_sz() << 2); + if (unlikely(!p)) + goto err; - status = -ENOMEM; objlseg = kzalloc(sizeof(*objlseg) + - pnfs_osd_layout_incore_sz(layout), GFP_KERNEL); + pnfs_osd_layout_incore_sz(p), GFP_KERNEL); if (!objlseg) goto err; pnfs_osd_layout = (struct pnfs_osd_layout *)objlseg->pnfs_osd_layout; - pnfs_osd_xdr_decode_layout(pnfs_osd_layout, layout); + pnfs_osd_xdr_decode_layout(pnfs_osd_layout, p); objlseg->lseg.pls_range = lgr->range; status = objio_alloc_lseg(&objlseg->internal, pnfslay, &objlseg->lseg, @@ -108,11 +122,15 @@ objlayout_alloc_lseg(struct pnfs_layout_hdr *pnfslay, if (status) goto err; + __free_page(scratch); + dprintk("%s: Return %p\n", __func__, &objlseg->lseg); return &objlseg->lseg; - err: +err: kfree(objlseg); + __free_page(scratch); +err_nofree: return ERR_PTR(status); } @@ -161,7 +179,6 @@ static struct objlayout_io_state * objlayout_alloc_io_state(struct pnfs_layout_hdr *pnfs_layout_type, struct page **pages, unsigned pgbase, - unsigned nr_pages, loff_t offset, size_t count, struct pnfs_layout_segment *lseg, @@ -171,7 +188,6 @@ objlayout_alloc_io_state(struct pnfs_layout_hdr *pnfs_layout_type, container_of(lseg, struct objlayout_segment, lseg); struct objlayout_io_state *state; u64 lseg_end_offset; - size_t size_nr_pages; dprintk("%s: allocating io_state\n", __func__); if (objio_alloc_io_state(objlseg->internal, &state)) @@ -186,24 +202,16 @@ objlayout_alloc_io_state(struct pnfs_layout_hdr *pnfs_layout_type, } if (pgbase > PAGE_SIZE) { - unsigned n = pgbase >> PAGE_SHIFT; - + pages += pgbase >> PAGE_SHIFT; pgbase &= ~PAGE_MASK; - pages += n; - nr_pages -= n; } - size_nr_pages = (pgbase + count + PAGE_SIZE - 1) >> PAGE_SHIFT; - BUG_ON(nr_pages < size_nr_pages); - if (nr_pages > size_nr_pages) - nr_pages = size_nr_pages; - INIT_LIST_HEAD(&state->err_list); state->objlseg = objlseg; state->rpcdata = rpcdata; state->pages = pages; state->pgbase = pgbase; - state->nr_pages = nr_pages; + state->nr_pages = (pgbase + count + PAGE_SIZE - 1) >> PAGE_SHIFT; state->offset = offset; state->count = count; state->sync = 0; @@ -280,32 +288,6 @@ objlayout_io_set_result(struct objlayout_io_state *state, unsigned index, } } -static void _rpc_commit_complete(struct work_struct *work) -{ - struct rpc_task *task; - struct nfs_write_data *wdata; - - dprintk("%s enter\n", __func__); - task = container_of(work, struct rpc_task, u.tk_work); - wdata = container_of(task, struct nfs_write_data, task); - - pnfs_commit_done(wdata); -} - -/* - * Commit data remotely on OSDs - */ -enum pnfs_try_status -objlayout_commit(struct nfs_write_data *wdata, int how) -{ - int status = PNFS_ATTEMPTED; - - INIT_WORK(&wdata->task.u.tk_work, _rpc_commit_complete); - schedule_work(&wdata->task.u.tk_work); - dprintk("%s: Return %d\n", __func__, status); - return status; -} - /* Function scheduled on rpc workqueue to call ->nfs_readlist_complete(). * This is because the osd completion is called with ints-off from * the block layer @@ -319,7 +301,7 @@ static void _rpc_read_complete(struct work_struct *work) task = container_of(work, struct rpc_task, u.tk_work); rdata = container_of(task, struct nfs_read_data, task); - pnfs_read_done(rdata); + pnfs_ld_read_done(rdata); } void @@ -340,7 +322,7 @@ objlayout_read_done(struct objlayout_io_state *state, ssize_t status, bool sync) /* must not use state after this point */ if (sync) - pnfs_read_done(rdata); + pnfs_ld_read_done(rdata); else { INIT_WORK(&rdata->task.u.tk_work, _rpc_read_complete); schedule_work(&rdata->task.u.tk_work); @@ -351,7 +333,7 @@ objlayout_read_done(struct objlayout_io_state *state, ssize_t status, bool sync) * Perform sync or async reads. */ enum pnfs_try_status -objlayout_read_pagelist(struct nfs_read_data *rdata, unsigned nr_pages) +objlayout_read_pagelist(struct nfs_read_data *rdata) { loff_t offset = rdata->args.offset; size_t count = rdata->args.count; @@ -375,8 +357,8 @@ objlayout_read_pagelist(struct nfs_read_data *rdata, unsigned nr_pages) state = objlayout_alloc_io_state(NFS_I(rdata->inode)->layout, rdata->args.pages, rdata->args.pgbase, - nr_pages, offset, count, - rdata->pdata.lseg, rdata); + offset, count, + rdata->lseg, rdata); if (unlikely(!state)) { status = -ENOMEM; goto out; @@ -387,7 +369,7 @@ objlayout_read_pagelist(struct nfs_read_data *rdata, unsigned nr_pages) status = objio_read_pagelist(state); out: dprintk("%s: Return status %Zd\n", __func__, status); - rdata->pdata.pnfs_error = status; + rdata->pnfs_error = status; return PNFS_ATTEMPTED; } @@ -404,7 +386,7 @@ static void _rpc_write_complete(struct work_struct *work) task = container_of(work, struct rpc_task, u.tk_work); wdata = container_of(task, struct nfs_write_data, task); - pnfs_writeback_done(wdata); + pnfs_ld_write_done(wdata); } void @@ -430,7 +412,7 @@ objlayout_write_done(struct objlayout_io_state *state, ssize_t status, /* must not use state after this point */ if (sync) - pnfs_writeback_done(wdata); + pnfs_ld_write_done(wdata); else { INIT_WORK(&wdata->task.u.tk_work, _rpc_write_complete); schedule_work(&wdata->task.u.tk_work); @@ -442,7 +424,6 @@ objlayout_write_done(struct objlayout_io_state *state, ssize_t status, */ enum pnfs_try_status objlayout_write_pagelist(struct nfs_write_data *wdata, - unsigned nr_pages, int how) { struct objlayout_io_state *state; @@ -454,10 +435,9 @@ objlayout_write_pagelist(struct nfs_write_data *wdata, state = objlayout_alloc_io_state(NFS_I(wdata->inode)->layout, wdata->args.pages, wdata->args.pgbase, - nr_pages, wdata->args.offset, wdata->args.count, - wdata->pdata.lseg, wdata); + wdata->lseg, wdata); if (unlikely(!state)) { status = -ENOMEM; goto out; @@ -468,7 +448,7 @@ objlayout_write_pagelist(struct nfs_write_data *wdata, status = objio_write_pagelist(state, how & FLUSH_STABLE); out: dprintk("%s: Return status %Zd\n", __func__, status); - wdata->pdata.pnfs_error = status; + wdata->pnfs_error = status; return PNFS_ATTEMPTED; } @@ -648,6 +628,8 @@ objlayout_encode_layoutreturn(struct pnfs_layout_hdr *pnfslay, last_xdr = xdr->p; res = pnfs_osd_xdr_encode_ioerr(xdr, &state->ioerrs[i]); } + + /* TODO: use xdr_write_pages */ if (unlikely(res)) { /* no space for even one error descriptor */ BUG_ON(last_xdr == start + 1); @@ -672,6 +654,10 @@ loop_done: dprintk("%s: Return\n", __func__); } + +/* + * Get Device Info API for io engines + */ struct objlayout_deviceinfo { struct page *page; struct pnfs_osd_deviceaddr da; /* This must be last */ @@ -687,7 +673,7 @@ int objlayout_get_deviceinfo(struct pnfs_layout_hdr *pnfslay, struct objlayout_deviceinfo *odi; struct pnfs_device pd; struct super_block *sb; - struct page *page; + struct page *page, **pages; size_t sz; u32 *p; int err; @@ -696,7 +682,8 @@ int objlayout_get_deviceinfo(struct pnfs_layout_hdr *pnfslay, if (!page) return -ENOMEM; - pd.area = page_address(page); + pages = &page; + pd.pages = pages; memcpy(&pd.dev_id, d_id, sizeof(*d_id)); pd.layout_type = LAYOUT_OSD2_OBJECTS; @@ -711,7 +698,7 @@ int objlayout_get_deviceinfo(struct pnfs_layout_hdr *pnfslay, if (err) goto err_out; - p = pd.area; + p = page_address(page); sz = pnfs_osd_xdr_deviceaddr_incore_sz(p); odi = kzalloc(sz + (sizeof(*odi) - sizeof(odi->da)), GFP_KERNEL); if (!odi) { @@ -765,7 +752,7 @@ objlayout_set_layoutdriver(struct nfs_server *server, * layoutdriver private data. */ int -objlayout_clear_layoutdriver(struct nfs_server *server) +objlayout_unset_layoutdriver(struct nfs_server *server) { dprintk("%s: Begin %p\n", __func__, server->pnfs_ld_data); objio_fini_mt(server->pnfs_ld_data); diff --git a/fs/nfs/objlayout/objlayout.h b/fs/nfs/objlayout/objlayout.h index 57c29ec..38abb01 100644 --- a/fs/nfs/objlayout/objlayout.h +++ b/fs/nfs/objlayout/objlayout.h @@ -1,10 +1,8 @@ /* - * objlayout.h - * * Data types and function declerations for interfacing with the * pNFS standard object layout driver. * - * Copyright (C) 2007-2009 Panasas Inc. + * Copyright (C) 2007 Panasas Inc. [year of first publication] * All rights reserved. * * Benny Halevy @@ -167,10 +165,9 @@ extern void objlayout_put_deviceinfo(struct pnfs_osd_deviceaddr *deviceaddr); * exported generic objects function vectors */ -extern int objlayout_set_layoutdriver( - struct nfs_server *, - const struct nfs_fh *); -extern int objlayout_clear_layoutdriver(struct nfs_server *); +extern int objlayout_set_layoutdriver(struct nfs_server *, + const struct nfs_fh *mntfh); +extern int objlayout_unset_layoutdriver(struct nfs_server *); extern struct pnfs_layout_hdr *objlayout_alloc_layout_hdr(struct inode *); extern void objlayout_free_layout_hdr(struct pnfs_layout_hdr *); @@ -181,16 +178,10 @@ extern struct pnfs_layout_segment *objlayout_alloc_lseg( extern void objlayout_free_lseg(struct pnfs_layout_segment *); extern enum pnfs_try_status objlayout_read_pagelist( - struct nfs_read_data *, - unsigned nr_pages); + struct nfs_read_data *); extern enum pnfs_try_status objlayout_write_pagelist( struct nfs_write_data *, - unsigned nr_pages, - int how); - -extern enum pnfs_try_status objlayout_commit( - struct nfs_write_data *, int how); extern void objlayout_encode_layoutcommit( diff --git a/fs/nfs/objlayout/panfs_shim.c b/fs/nfs/objlayout/panfs_shim.c index cc18bbf..718ea0c 100644 --- a/fs/nfs/objlayout/panfs_shim.c +++ b/fs/nfs/objlayout/panfs_shim.c @@ -627,19 +627,6 @@ EXPORT_SYMBOL(panfs_shim_unregister); #define PANLAYOUT_MAX_GATHER_STRIPES 8 /* - * Get the max [rw]size - */ -static ssize_t -panlayout_get_blocksize(void) -{ - ssize_t sz = (PANLAYOUT_MAX_STRIPE_WIDTH-1) * - PANLAYOUT_DEF_STRIPE_UNIT * - PANLAYOUT_MAX_GATHER_STRIPES; - dprintk("%s: Return %Zd\n", __func__, sz); - return sz; -} - -/* * Don't gather across stripes, but rather gather (coalesce) up to * the stripe size. * @@ -653,7 +640,7 @@ static struct pnfs_layoutdriver_type panlayout_type = { .flags = PNFS_LAYOUTRET_ON_SETATTR, .set_layoutdriver = objlayout_set_layoutdriver, - .clear_layoutdriver = objlayout_clear_layoutdriver, + .unset_layoutdriver = objlayout_unset_layoutdriver, .alloc_layout_hdr = objlayout_alloc_layout_hdr, .free_layout_hdr = objlayout_free_layout_hdr, @@ -661,11 +648,8 @@ static struct pnfs_layoutdriver_type panlayout_type = { .alloc_lseg = objlayout_alloc_lseg, .free_lseg = objlayout_free_lseg, - .get_blocksize = panlayout_get_blocksize, - .read_pagelist = objlayout_read_pagelist, .write_pagelist = objlayout_write_pagelist, - .commit = objlayout_commit, .encode_layoutcommit = objlayout_encode_layoutcommit, .encode_layoutreturn = objlayout_encode_layoutreturn, diff --git a/fs/nfs/objlayout/pnfs_osd_xdr_cli.c b/fs/nfs/objlayout/pnfs_osd_xdr_cli.c index d05c6be..4dea458 100644 --- a/fs/nfs/objlayout/pnfs_osd_xdr_cli.c +++ b/fs/nfs/objlayout/pnfs_osd_xdr_cli.c @@ -1,9 +1,7 @@ /* - * pnfs_osd_xdr.c - * * Object-Based pNFS Layout XDR layer * - * Copyright (C) 2007-2009 Panasas Inc. + * Copyright (C) 2007 Panasas Inc. [year of first publication] * All rights reserved. * * Benny Halevy @@ -43,10 +41,7 @@ #define NFSDBG_FACILITY NFSDBG_PNFS_LD /* - * The following implementation is based on these Internet Drafts: - * - * draft-ietf-nfsv4-minorversion-21 - * draft-ietf-nfsv4-pnfs-obj-12 + * The following implementation is based on RFC5664 */ /* @@ -56,8 +51,8 @@ * u64 oid_object_id; * }; */ -static inline u32 * -pnfs_osd_xdr_decode_objid(u32 *p, struct pnfs_osd_objid *objid) +static inline __be32 * +pnfs_osd_xdr_decode_objid(__be32 *p, struct pnfs_osd_objid *objid) { COPYMEM(objid->oid_device_id.data, sizeof(objid->oid_device_id.data)); READ64(objid->oid_partition_id); @@ -65,8 +60,8 @@ pnfs_osd_xdr_decode_objid(u32 *p, struct pnfs_osd_objid *objid) return p; } -static inline u32 * -pnfs_osd_xdr_decode_opaque_cred(u32 *p, +static inline __be32 * +pnfs_osd_xdr_decode_opaque_cred(__be32 *p, struct pnfs_osd_opaque_cred *opaque_cred) { READ32(opaque_cred->cred_len); @@ -83,8 +78,8 @@ pnfs_osd_xdr_decode_opaque_cred(u32 *p, * struct pnfs_osd_opaque_cred oc_cap; * }; */ -static inline u32 * -pnfs_osd_xdr_decode_object_cred(u32 *p, struct pnfs_osd_object_cred *comp, +static inline __be32 * +pnfs_osd_xdr_decode_object_cred(__be32 *p, struct pnfs_osd_object_cred *comp, u8 **credp) { u8 *cred; @@ -116,7 +111,7 @@ pnfs_osd_xdr_decode_object_cred(u32 *p, struct pnfs_osd_object_cred *comp, * }; */ static inline u32 * -pnfs_osd_xdr_decode_data_map(u32 *p, struct pnfs_osd_data_map *data_map) +pnfs_osd_xdr_decode_data_map(__be32 *p, struct pnfs_osd_data_map *data_map) { READ32(data_map->odm_num_comps); READ64(data_map->odm_stripe_unit); @@ -137,10 +132,10 @@ pnfs_osd_xdr_decode_data_map(u32 *p, struct pnfs_osd_data_map *data_map) } struct pnfs_osd_layout * -pnfs_osd_xdr_decode_layout(struct pnfs_osd_layout *layout, u32 *p) +pnfs_osd_xdr_decode_layout(struct pnfs_osd_layout *layout, __be32 *p) { int i; - u32 *start = p; + __be32 *start = p; struct pnfs_osd_object_cred *comp; u8 *cred; @@ -178,8 +173,8 @@ pnfs_osd_xdr_decode_layout(struct pnfs_osd_layout *layout, u32 *p) * should not be freed while the returned information is in use. */ -u32 *__xdr_read_calc_nfs4_string( - u32 *p, struct nfs4_string *str, u8 **freespace) +__be32 *__xdr_read_calc_nfs4_string( + __be32 *p, struct nfs4_string *str, u8 **freespace) { u32 len; char *data; @@ -209,8 +204,8 @@ u32 *__xdr_read_calc_nfs4_string( return p; } -u32 *__xdr_read_calc_u8_opaque( - u32 *p, struct nfs4_string *str) +__be32 *__xdr_read_calc_u8_opaque( + __be32 *p, struct nfs4_string *str) { u32 len; @@ -231,8 +226,8 @@ u32 *__xdr_read_calc_u8_opaque( * struct nfs4_string oti_scsi_device_id; * }; */ -u32 *__xdr_read_calc_targetid( - u32 *p, struct pnfs_osd_targetid* targetid, u8 **freespace) +__be32 *__xdr_read_calc_targetid( + __be32 *p, struct pnfs_osd_targetid* targetid, u8 **freespace) { u32 oti_type; @@ -256,8 +251,8 @@ u32 *__xdr_read_calc_targetid( * struct nfs4_string r_addr; * }; */ -u32 *__xdr_read_calc_net_addr( - u32 *p, struct pnfs_osd_net_addr* netaddr, u8 **freespace) +__be32 *__xdr_read_calc_net_addr( + __be32 *p, struct pnfs_osd_net_addr* netaddr, u8 **freespace) { p = __xdr_read_calc_nfs4_string(p, @@ -277,8 +272,8 @@ u32 *__xdr_read_calc_net_addr( * struct pnfs_osd_net_addr ota_netaddr; * }; */ -u32 *__xdr_read_calc_targetaddr( - u32 *p, struct pnfs_osd_targetaddr *targetaddr, u8 **freespace) +__be32 *__xdr_read_calc_targetaddr( + __be32 *p, struct pnfs_osd_targetaddr *targetaddr, u8 **freespace) { u32 ota_available; @@ -305,8 +300,8 @@ u32 *__xdr_read_calc_targetaddr( * struct nfs4_string oda_osdname; * }; */ -u32 *__xdr_read_calc_deviceaddr( - u32 *p, struct pnfs_osd_deviceaddr *deviceaddr, u8 **freespace) +__be32 *__xdr_read_calc_deviceaddr( + __be32 *p, struct pnfs_osd_deviceaddr *deviceaddr, u8 **freespace) { p = __xdr_read_calc_targetid(p, deviceaddr ? &deviceaddr->oda_targetid : NULL, @@ -338,7 +333,7 @@ u32 *__xdr_read_calc_deviceaddr( return p; } -size_t pnfs_osd_xdr_deviceaddr_incore_sz(u32 *p) +size_t pnfs_osd_xdr_deviceaddr_incore_sz(__be32 *p) { u8 *null_freespace = NULL; size_t sz; @@ -350,7 +345,7 @@ size_t pnfs_osd_xdr_deviceaddr_incore_sz(u32 *p) } void pnfs_osd_xdr_decode_deviceaddr( - struct pnfs_osd_deviceaddr *deviceaddr, u32 *p) + struct pnfs_osd_deviceaddr *deviceaddr, __be32 *p) { u8 *freespace = (u8 *)(deviceaddr + 1); diff --git a/include/linux/pnfs_osd_xdr.h b/include/linux/pnfs_osd_xdr.h index b404f33..aed693f 100644 --- a/include/linux/pnfs_osd_xdr.h +++ b/include/linux/pnfs_osd_xdr.h @@ -1,9 +1,7 @@ /* - * pnfs_osd_xdr.h - * * pNFS-osd on-the-wire data structures * - * Copyright (C) 2007-2009 Panasas Inc. + * Copyright (C) 2007 Panasas Inc. [year of first publication] * All rights reserved. * * Benny Halevy @@ -154,7 +152,7 @@ struct pnfs_osd_opaque_cred { }; static inline int -pnfs_osd_opaque_cred_xdr_sz(u32 *p) +pnfs_osd_opaque_cred_xdr_sz(__be32 *p) { u32 *start = p; u32 n; @@ -165,7 +163,7 @@ pnfs_osd_opaque_cred_xdr_sz(u32 *p) } static inline size_t -pnfs_osd_opaque_cred_incore_sz(u32 *p) +pnfs_osd_opaque_cred_incore_sz(__be32 *p) { u32 n; @@ -195,9 +193,9 @@ struct pnfs_osd_object_cred { }; static inline int -pnfs_osd_object_cred_xdr_sz(u32 *p) +pnfs_osd_object_cred_xdr_sz(__be32 *p) { - u32 *start = p; + __be32 *start = p; p += pnfs_osd_objid_xdr_sz() + 2; p += pnfs_osd_opaque_cred_xdr_sz(p); @@ -206,7 +204,7 @@ pnfs_osd_object_cred_xdr_sz(u32 *p) } static inline size_t -pnfs_osd_object_cred_incore_sz(u32 *p) +pnfs_osd_object_cred_incore_sz(__be32 *p) { size_t sz = sizeof(struct pnfs_osd_object_cred); @@ -231,9 +229,9 @@ struct pnfs_osd_layout { }; static inline int -pnfs_osd_layout_xdr_sz(u32 *p) +pnfs_osd_layout_xdr_sz(__be32 *p) { - u32 *start = p; + __be32 *start = p; u32 n; p += pnfs_osd_data_map_xdr_sz() + 1; @@ -244,7 +242,7 @@ pnfs_osd_layout_xdr_sz(u32 *p) } static inline size_t -pnfs_osd_layout_incore_sz(u32 *p) +pnfs_osd_layout_incore_sz(__be32 *p) { u32 n; size_t sz; @@ -399,7 +397,7 @@ pnfs_osd_ioerr_xdr_sz(void) /* Layout helpers */ extern struct pnfs_osd_layout *pnfs_osd_xdr_decode_layout( - struct pnfs_osd_layout *layout, u32 *p); + struct pnfs_osd_layout *layout, __be32 *p); extern int pnfs_osd_xdr_encode_layout( struct exp_xdr_stream *xdr, @@ -408,7 +406,7 @@ extern int pnfs_osd_xdr_encode_layout( /* Device Info helpers */ /* First pass calculate total size for space needed */ -extern size_t pnfs_osd_xdr_deviceaddr_incore_sz(u32 *p); +extern size_t pnfs_osd_xdr_deviceaddr_incore_sz(__be32 *p); /* Note: some strings pointed to inside @deviceaddr might point * to space inside @p. @p should stay valid while @deviceaddr @@ -417,7 +415,7 @@ extern size_t pnfs_osd_xdr_deviceaddr_incore_sz(u32 *p); * calculated in first pass by pnfs_osd_xdr_deviceaddr_incore_sz() */ extern void pnfs_osd_xdr_decode_deviceaddr( - struct pnfs_osd_deviceaddr *deviceaddr, u32 *p); + struct pnfs_osd_deviceaddr *deviceaddr, __be32 *p); /* For Servers */ extern int pnfs_osd_xdr_encode_deviceaddr(