From patchwork Mon Jul 1 05:26:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 13717559 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5CDD11A269 for ; Mon, 1 Jul 2024 05:27:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719811636; cv=none; b=OrAUNNNgi+C+fpTv1htIt2fZL09h6zRbm2Rfz8UiVom81TuT0BijgubPXauz+PsdF21jZnxQdqYxZgA48CyokLSGTBiECJgg1IfPH8yWbCDVezHFzGpCF+M3TXmXx/V6uANc+ccNSAilid3pQPOXZ1jCdhLEoJyiewYGD3pRNxY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719811636; c=relaxed/simple; bh=4My2ZjpHPR5daVjH21P0LmWzK61B4mAXwDpgU/p8bvs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=oxmYDgQUcY8wGZ7wVpPluld9fmfKoEYvhCAo6ONF19WmQVmemCDpmsusVOiRss+6WH7cj/oaBJ1iI+mR+Ag1lgjCjsK9ti9BDP+YJHLRdx3NdrJy43lnNArq57hDvdzklIpVUbFAQsycNs7vtWD7hDIf2OHy6n0b6ycOma6WYQQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=NJDeZsE0; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="NJDeZsE0" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=lbL+dRlrv4RMKbwxiyADnvJuOsnjB7OVSPIAtTajk1k=; b=NJDeZsE0jzv2gwrOBCnsW3W39e ocK+iPeKnXGHFppCittmjdlYau1jEoPRbsNK4qSTqJJR80tkFJXidWSPTTPNn4yE/yvGI3V3vMs7b uA+SHLY/BUwNccDOS9eJ2d0m7e3XQHklz+7VDvYxEVhGiQG4j5f18ISPuIYyZxo2Sydm6PUOcR06D akDi/E9dhoa00LHa9U3uWcmr7tLB92XeGb/JalT9zOhEmmkosvn1ugey0bAxPb/T9stHbZJOaxg3N 8gOaVl8jU3zWOKDdHCARWU5gkoeAQf5SErgMy6u/pA+e3rZlQbVcoukFVnUm7BygTYjGQtjEFqERb QHURAWcQ==; Received: from 2a02-8389-2341-5b80-ec0f-1986-7d09-2a29.cable.dynamic.v6.surfer.at ([2a02:8389:2341:5b80:ec0f:1986:7d09:2a29] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.97.1 #2 (Red Hat Linux)) id 1sO9ZJ-00000001kAM-2Q2V; Mon, 01 Jul 2024 05:27:13 +0000 From: Christoph Hellwig To: Trond Myklebust , Anna Schumaker Cc: linux-nfs@vger.kernel.org Subject: [PATCH 1/7] nfs: remove dead code for the old swap over NFS implementation Date: Mon, 1 Jul 2024 07:26:48 +0200 Message-ID: <20240701052707.1246254-2-hch@lst.de> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240701052707.1246254-1-hch@lst.de> References: <20240701052707.1246254-1-hch@lst.de> Precedence: bulk X-Mailing-List: linux-nfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Remove the code testing folio_test_swapcache either explicitly or implicitly in pagemap.h headers, as is now handled using the direct I/O path and not the buffered I/O path that these helpers are located in. Signed-off-by: Christoph Hellwig Reviewed-by: Sagi Grimberg --- fs/nfs/file.c | 6 +- fs/nfs/filelayout/filelayout.c | 1 - fs/nfs/fscache.c | 2 +- fs/nfs/internal.h | 8 +-- fs/nfs/pagelist.c | 2 +- fs/nfs/pnfs.h | 22 ------ fs/nfs/pnfs_nfs.c | 47 ------------ fs/nfs/read.c | 2 +- fs/nfs/write.c | 128 +++++++-------------------------- include/linux/nfs_page.h | 4 +- 10 files changed, 36 insertions(+), 186 deletions(-) diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 834e612262e62b..0e2f87120cb840 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -427,7 +427,7 @@ static int nfs_write_end(struct file *file, struct address_space *mapping, static void nfs_invalidate_folio(struct folio *folio, size_t offset, size_t length) { - struct inode *inode = folio_file_mapping(folio)->host; + struct inode *inode = folio->mapping->host; dfprintk(PAGECACHE, "NFS: invalidate_folio(%lu, %zu, %zu)\n", folio->index, offset, length); @@ -454,7 +454,7 @@ static bool nfs_release_folio(struct folio *folio, gfp_t gfp) if ((current_gfp_context(gfp) & GFP_KERNEL) != GFP_KERNEL || current_is_kswapd()) return false; - if (nfs_wb_folio(folio_file_mapping(folio)->host, folio) < 0) + if (nfs_wb_folio(folio->mapping->host, folio) < 0) return false; } return nfs_fscache_release_folio(folio, gfp); @@ -606,7 +606,7 @@ static vm_fault_t nfs_vm_page_mkwrite(struct vm_fault *vmf) TASK_KILLABLE|TASK_FREEZABLE_UNSAFE); folio_lock(folio); - mapping = folio_file_mapping(folio); + mapping = folio->mapping; if (mapping != inode->i_mapping) goto out_unlock; diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c index 29d84dc66ca391..b6e9aeaf4ce289 100644 --- a/fs/nfs/filelayout/filelayout.c +++ b/fs/nfs/filelayout/filelayout.c @@ -1110,7 +1110,6 @@ static const struct pnfs_commit_ops filelayout_commit_ops = { .clear_request_commit = pnfs_generic_clear_request_commit, .scan_commit_lists = pnfs_generic_scan_commit_lists, .recover_commit_reqs = pnfs_generic_recover_commit_reqs, - .search_commit_reqs = pnfs_generic_search_commit_reqs, .commit_pagelist = filelayout_commit_pagelist, }; diff --git a/fs/nfs/fscache.c b/fs/nfs/fscache.c index ddc1ee0319554c..7202ce84d0eb03 100644 --- a/fs/nfs/fscache.c +++ b/fs/nfs/fscache.c @@ -341,7 +341,7 @@ void nfs_netfs_initiate_read(struct nfs_pgio_header *hdr) int nfs_netfs_folio_unlock(struct folio *folio) { - struct inode *inode = folio_file_mapping(folio)->host; + struct inode *inode = folio->mapping->host; /* * If fscache is enabled, netfs will unlock pages. diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index 9f0f4534744ba4..87ebc4608c316a 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -785,7 +785,7 @@ static inline void nfs_folio_mark_unstable(struct folio *folio, struct nfs_commit_info *cinfo) { if (folio && !cinfo->dreq) { - struct inode *inode = folio_file_mapping(folio)->host; + struct inode *inode = folio->mapping->host; long nr = folio_nr_pages(folio); /* This page is really still in write-back - just that the @@ -803,7 +803,7 @@ static inline void nfs_folio_mark_unstable(struct folio *folio, static inline unsigned int nfs_page_length(struct page *page) { - loff_t i_size = i_size_read(page_file_mapping(page)->host); + loff_t i_size = i_size_read(page->mapping->host); if (i_size > 0) { pgoff_t index = page_index(page); @@ -821,10 +821,10 @@ unsigned int nfs_page_length(struct page *page) */ static inline size_t nfs_folio_length(struct folio *folio) { - loff_t i_size = i_size_read(folio_file_mapping(folio)->host); + loff_t i_size = i_size_read(folio->mapping->host); if (i_size > 0) { - pgoff_t index = folio_index(folio) >> folio_order(folio); + pgoff_t index = folio->index >> folio_order(folio); pgoff_t end_index = (i_size - 1) >> folio_shift(folio); if (index < end_index) return folio_size(folio); diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c index 040b6b79c75e59..3b006bcbcc87a2 100644 --- a/fs/nfs/pagelist.c +++ b/fs/nfs/pagelist.c @@ -569,7 +569,7 @@ struct nfs_page *nfs_page_create_from_folio(struct nfs_open_context *ctx, if (IS_ERR(l_ctx)) return ERR_CAST(l_ctx); - ret = nfs_page_create(l_ctx, offset, folio_index(folio), offset, count); + ret = nfs_page_create(l_ctx, offset, folio->index, offset, count); if (!IS_ERR(ret)) { nfs_page_assign_folio(ret, folio); nfs_page_group_init(ret, NULL); diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h index bb5142b4e67a59..1fc40afcbf1f50 100644 --- a/fs/nfs/pnfs.h +++ b/fs/nfs/pnfs.h @@ -199,8 +199,6 @@ struct pnfs_commit_ops { int max); void (*recover_commit_reqs) (struct list_head *list, struct nfs_commit_info *cinfo); - struct nfs_page * (*search_commit_reqs)(struct nfs_commit_info *cinfo, - struct folio *folio); }; struct pnfs_layout_hdr { @@ -409,8 +407,6 @@ void pnfs_generic_prepare_to_resend_writes(struct nfs_commit_data *data); void pnfs_generic_rw_release(void *data); void pnfs_generic_recover_commit_reqs(struct list_head *dst, struct nfs_commit_info *cinfo); -struct nfs_page *pnfs_generic_search_commit_reqs(struct nfs_commit_info *cinfo, - struct folio *folio); int pnfs_generic_commit_pagelist(struct inode *inode, struct list_head *mds_pages, int how, @@ -570,17 +566,6 @@ pnfs_recover_commit_reqs(struct list_head *head, struct nfs_commit_info *cinfo) fl_cinfo->ops->recover_commit_reqs(head, cinfo); } -static inline struct nfs_page * -pnfs_search_commit_reqs(struct inode *inode, struct nfs_commit_info *cinfo, - struct folio *folio) -{ - struct pnfs_ds_commit_info *fl_cinfo = cinfo->ds; - - if (!fl_cinfo->ops || !fl_cinfo->ops->search_commit_reqs) - return NULL; - return fl_cinfo->ops->search_commit_reqs(cinfo, folio); -} - /* Should the pNFS client commit and return the layout upon a setattr */ static inline bool pnfs_ld_layoutret_on_setattr(struct inode *inode) @@ -882,13 +867,6 @@ pnfs_recover_commit_reqs(struct list_head *head, struct nfs_commit_info *cinfo) { } -static inline struct nfs_page * -pnfs_search_commit_reqs(struct inode *inode, struct nfs_commit_info *cinfo, - struct folio *folio) -{ - return NULL; -} - static inline int pnfs_layoutcommit_inode(struct inode *inode, bool sync) { return 0; diff --git a/fs/nfs/pnfs_nfs.c b/fs/nfs/pnfs_nfs.c index 88e061bd711b74..a74ee69a2fa638 100644 --- a/fs/nfs/pnfs_nfs.c +++ b/fs/nfs/pnfs_nfs.c @@ -351,53 +351,6 @@ void pnfs_generic_recover_commit_reqs(struct list_head *dst, } EXPORT_SYMBOL_GPL(pnfs_generic_recover_commit_reqs); -static struct nfs_page * -pnfs_bucket_search_commit_reqs(struct pnfs_commit_bucket *buckets, - unsigned int nbuckets, struct folio *folio) -{ - struct nfs_page *req; - struct pnfs_commit_bucket *b; - unsigned int i; - - /* Linearly search the commit lists for each bucket until a matching - * request is found */ - for (i = 0, b = buckets; i < nbuckets; i++, b++) { - list_for_each_entry(req, &b->written, wb_list) { - if (nfs_page_to_folio(req) == folio) - return req->wb_head; - } - list_for_each_entry(req, &b->committing, wb_list) { - if (nfs_page_to_folio(req) == folio) - return req->wb_head; - } - } - return NULL; -} - -/* pnfs_generic_search_commit_reqs - Search lists in @cinfo for the head request - * for @folio - * @cinfo - commit info for current inode - * @folio - page to search for matching head request - * - * Return: the head request if one is found, otherwise %NULL. - */ -struct nfs_page *pnfs_generic_search_commit_reqs(struct nfs_commit_info *cinfo, - struct folio *folio) -{ - struct pnfs_ds_commit_info *fl_cinfo = cinfo->ds; - struct pnfs_commit_array *array; - struct nfs_page *req; - - list_for_each_entry(array, &fl_cinfo->commits, cinfo_list) { - req = pnfs_bucket_search_commit_reqs(array->buckets, - array->nbuckets, folio); - if (req) - return req; - } - return NULL; -} -EXPORT_SYMBOL_GPL(pnfs_generic_search_commit_reqs); - static struct pnfs_layout_segment * pnfs_bucket_get_committing(struct list_head *head, struct pnfs_commit_bucket *bucket, diff --git a/fs/nfs/read.c b/fs/nfs/read.c index 1b0e06c11983cb..036ede4875cab6 100644 --- a/fs/nfs/read.c +++ b/fs/nfs/read.c @@ -289,7 +289,7 @@ int nfs_read_add_folio(struct nfs_pageio_descriptor *pgio, struct nfs_open_context *ctx, struct folio *folio) { - struct inode *inode = folio_file_mapping(folio)->host; + struct inode *inode = folio->mapping->host; struct nfs_server *server = NFS_SERVER(inode); size_t fsize = folio_size(folio); unsigned int rsize = server->rsize; diff --git a/fs/nfs/write.c b/fs/nfs/write.c index f5414c96381ac8..641bdddeaad331 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -63,9 +63,6 @@ static void nfs_clear_request_commit(struct nfs_commit_info *cinfo, struct nfs_page *req); static void nfs_init_cinfo_from_inode(struct nfs_commit_info *cinfo, struct inode *inode); -static struct nfs_page * -nfs_page_search_commits_for_head_request_locked(struct nfs_inode *nfsi, - struct folio *folio); static struct kmem_cache *nfs_wdata_cachep; static mempool_t *nfs_wdata_mempool; @@ -178,16 +175,16 @@ static struct nfs_page *nfs_folio_private_request(struct folio *folio) } /** - * nfs_folio_find_private_request - find head request associated with a folio + * nfs_folio_find_head_request - find head request associated with a folio * @folio: pointer to folio * * must be called while holding the inode lock. * * returns matching head request with reference held, or NULL if not found. */ -static struct nfs_page *nfs_folio_find_private_request(struct folio *folio) +static struct nfs_page *nfs_folio_find_head_request(struct folio *folio) { - struct address_space *mapping = folio_file_mapping(folio); + struct address_space *mapping = folio->mapping; struct nfs_page *req; if (!folio_test_private(folio)) @@ -202,45 +199,9 @@ static struct nfs_page *nfs_folio_find_private_request(struct folio *folio) return req; } -static struct nfs_page *nfs_folio_find_swap_request(struct folio *folio) -{ - struct inode *inode = folio_file_mapping(folio)->host; - struct nfs_inode *nfsi = NFS_I(inode); - struct nfs_page *req = NULL; - if (!folio_test_swapcache(folio)) - return NULL; - mutex_lock(&nfsi->commit_mutex); - if (folio_test_swapcache(folio)) { - req = nfs_page_search_commits_for_head_request_locked(nfsi, - folio); - if (req) { - WARN_ON_ONCE(req->wb_head != req); - kref_get(&req->wb_kref); - } - } - mutex_unlock(&nfsi->commit_mutex); - return req; -} - -/** - * nfs_folio_find_head_request - find head request associated with a folio - * @folio: pointer to folio - * - * returns matching head request with reference held, or NULL if not found. - */ -static struct nfs_page *nfs_folio_find_head_request(struct folio *folio) -{ - struct nfs_page *req; - - req = nfs_folio_find_private_request(folio); - if (!req) - req = nfs_folio_find_swap_request(folio); - return req; -} - static struct nfs_page *nfs_folio_find_and_lock_request(struct folio *folio) { - struct inode *inode = folio_file_mapping(folio)->host; + struct inode *inode = folio->mapping->host; struct nfs_page *req, *head; int ret; @@ -261,8 +222,6 @@ static struct nfs_page *nfs_folio_find_and_lock_request(struct folio *folio) /* Ensure that nobody removed the request before we locked it */ if (head == nfs_folio_private_request(folio)) break; - if (folio_test_swapcache(folio)) - break; nfs_unlock_and_release_request(head); } return head; @@ -272,14 +231,14 @@ static struct nfs_page *nfs_folio_find_and_lock_request(struct folio *folio) static void nfs_grow_file(struct folio *folio, unsigned int offset, unsigned int count) { - struct inode *inode = folio_file_mapping(folio)->host; + struct inode *inode = folio->mapping->host; loff_t end, i_size; pgoff_t end_index; spin_lock(&inode->i_lock); i_size = i_size_read(inode); end_index = ((i_size - 1) >> folio_shift(folio)) << folio_order(folio); - if (i_size > 0 && folio_index(folio) < end_index) + if (i_size > 0 && folio->index < end_index) goto out; end = folio_file_pos(folio) + (loff_t)offset + (loff_t)count; if (i_size >= end) @@ -311,7 +270,7 @@ static void nfs_set_pageerror(struct address_space *mapping) static void nfs_mapping_set_error(struct folio *folio, int error) { - struct address_space *mapping = folio_file_mapping(folio); + struct address_space *mapping = folio->mapping; folio_set_error(folio); filemap_set_wb_err(mapping, error); @@ -412,7 +371,7 @@ int nfs_congestion_kb; static void nfs_folio_set_writeback(struct folio *folio) { - struct nfs_server *nfss = NFS_SERVER(folio_file_mapping(folio)->host); + struct nfs_server *nfss = NFS_SERVER(folio->mapping->host); folio_start_writeback(folio); if (atomic_long_inc_return(&nfss->writeback) > NFS_CONGESTION_ON_THRESH) @@ -421,7 +380,7 @@ static void nfs_folio_set_writeback(struct folio *folio) static void nfs_folio_end_writeback(struct folio *folio) { - struct nfs_server *nfss = NFS_SERVER(folio_file_mapping(folio)->host); + struct nfs_server *nfss = NFS_SERVER(folio->mapping->host); folio_end_writeback(folio); if (atomic_long_dec_return(&nfss->writeback) < @@ -567,7 +526,7 @@ void nfs_join_page_group(struct nfs_page *head, struct nfs_commit_info *cinfo, */ static struct nfs_page *nfs_lock_and_join_requests(struct folio *folio) { - struct inode *inode = folio_file_mapping(folio)->host; + struct inode *inode = folio->mapping->host; struct nfs_page *head; struct nfs_commit_info cinfo; int ret; @@ -643,7 +602,7 @@ static int nfs_page_async_flush(struct folio *folio, nfs_redirty_request(req); pgio->pg_error = 0; } else - nfs_add_stats(folio_file_mapping(folio)->host, + nfs_add_stats(folio->mapping->host, NFSIOS_WRITEPAGES, 1); out: return ret; @@ -655,7 +614,7 @@ static int nfs_page_async_flush(struct folio *folio, static int nfs_do_writepage(struct folio *folio, struct writeback_control *wbc, struct nfs_pageio_descriptor *pgio) { - nfs_pageio_cond_complete(pgio, folio_index(folio)); + nfs_pageio_cond_complete(pgio, folio->index); return nfs_page_async_flush(folio, wbc, pgio); } @@ -666,7 +625,7 @@ static int nfs_writepage_locked(struct folio *folio, struct writeback_control *wbc) { struct nfs_pageio_descriptor pgio; - struct inode *inode = folio_file_mapping(folio)->host; + struct inode *inode = folio->mapping->host; int err; nfs_inc_stats(inode, NFSIOS_VFSWRITEPAGE); @@ -744,24 +703,17 @@ int nfs_writepages(struct address_space *mapping, struct writeback_control *wbc) static void nfs_inode_add_request(struct nfs_page *req) { struct folio *folio = nfs_page_to_folio(req); - struct address_space *mapping = folio_file_mapping(folio); + struct address_space *mapping = folio->mapping; struct nfs_inode *nfsi = NFS_I(mapping->host); WARN_ON_ONCE(req->wb_this_page != req); /* Lock the request! */ nfs_lock_request(req); - - /* - * Swap-space should not get truncated. Hence no need to plug the race - * with invalidate/truncate. - */ spin_lock(&mapping->i_private_lock); - if (likely(!folio_test_swapcache(folio))) { - set_bit(PG_MAPPED, &req->wb_flags); - folio_set_private(folio); - folio->private = req; - } + set_bit(PG_MAPPED, &req->wb_flags); + folio_set_private(folio); + folio->private = req; spin_unlock(&mapping->i_private_lock); atomic_long_inc(&nfsi->nrequests); /* this a head request for a page group - mark it as having an @@ -781,10 +733,10 @@ static void nfs_inode_remove_request(struct nfs_page *req) if (nfs_page_group_sync_on_bit(req, PG_REMOVE)) { struct folio *folio = nfs_page_to_folio(req->wb_head); - struct address_space *mapping = folio_file_mapping(folio); + struct address_space *mapping = folio->mapping; spin_lock(&mapping->i_private_lock); - if (likely(folio && !folio_test_swapcache(folio))) { + if (likely(folio)) { folio->private = NULL; folio_clear_private(folio); clear_bit(PG_MAPPED, &req->wb_head->wb_flags); @@ -805,38 +757,6 @@ static void nfs_mark_request_dirty(struct nfs_page *req) filemap_dirty_folio(folio_mapping(folio), folio); } -/* - * nfs_page_search_commits_for_head_request_locked - * - * Search through commit lists on @inode for the head request for @folio. - * Must be called while holding the inode (which is cinfo) lock. - * - * Returns the head request if found, or NULL if not found. - */ -static struct nfs_page * -nfs_page_search_commits_for_head_request_locked(struct nfs_inode *nfsi, - struct folio *folio) -{ - struct nfs_page *freq, *t; - struct nfs_commit_info cinfo; - struct inode *inode = &nfsi->vfs_inode; - - nfs_init_cinfo_from_inode(&cinfo, inode); - - /* search through pnfs commit lists */ - freq = pnfs_search_commit_reqs(inode, &cinfo, folio); - if (freq) - return freq->wb_head; - - /* Linearly search the commit list for the correct request */ - list_for_each_entry_safe(freq, t, &cinfo.mds->list, wb_list) { - if (nfs_page_to_folio(freq) == folio) - return freq->wb_head; - } - - return NULL; -} - /** * nfs_request_add_commit_list_locked - add request to a commit list * @req: pointer to a struct nfs_page @@ -943,7 +863,7 @@ static void nfs_folio_clear_commit(struct folio *folio) long nr = folio_nr_pages(folio); node_stat_mod_folio(folio, NR_WRITEBACK, -nr); - wb_stat_mod(&inode_to_bdi(folio_file_mapping(folio)->host)->wb, + wb_stat_mod(&inode_to_bdi(folio->mapping->host)->wb, WB_WRITEBACK, -nr); } } @@ -1128,7 +1048,7 @@ static struct nfs_page *nfs_try_to_update_request(struct folio *folio, */ nfs_mark_request_dirty(req); nfs_unlock_and_release_request(req); - error = nfs_wb_folio(folio_file_mapping(folio)->host, folio); + error = nfs_wb_folio(folio->mapping->host, folio); return (error < 0) ? ERR_PTR(error) : NULL; } @@ -1204,7 +1124,7 @@ int nfs_flush_incompatible(struct file *file, struct folio *folio) nfs_release_request(req); if (!do_flush) return 0; - status = nfs_wb_folio(folio_file_mapping(folio)->host, folio); + status = nfs_wb_folio(folio->mapping->host, folio); } while (status == 0); return status; } @@ -1278,7 +1198,7 @@ bool nfs_ctx_key_to_expire(struct nfs_open_context *ctx, struct inode *inode) */ static bool nfs_folio_write_uptodate(struct folio *folio, unsigned int pagelen) { - struct inode *inode = folio_file_mapping(folio)->host; + struct inode *inode = folio->mapping->host; struct nfs_inode *nfsi = NFS_I(inode); if (nfs_have_delegated_attributes(inode)) @@ -1356,7 +1276,7 @@ int nfs_update_folio(struct file *file, struct folio *folio, unsigned int offset, unsigned int count) { struct nfs_open_context *ctx = nfs_file_open_context(file); - struct address_space *mapping = folio_file_mapping(folio); + struct address_space *mapping = folio->mapping; struct inode *inode = mapping->host; unsigned int pagelen = nfs_folio_length(folio); int status = 0; diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h index 1c315f854ea801..7bc31df457ea58 100644 --- a/include/linux/nfs_page.h +++ b/include/linux/nfs_page.h @@ -208,8 +208,8 @@ static inline struct inode *nfs_page_to_inode(const struct nfs_page *req) struct folio *folio = nfs_page_to_folio(req); if (folio == NULL) - return page_file_mapping(req->wb_page)->host; - return folio_file_mapping(folio)->host; + return req->wb_page->mapping->host; + return folio->mapping->host; } /**