From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 610D4C9DC83 for ; Fri, 9 Oct 2020 20:02:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 09B0A20732 for ; Fri, 9 Oct 2020 20:02:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390978AbgJITww (ORCPT ); Fri, 9 Oct 2020 15:52:52 -0400 Received: from mga01.intel.com ([192.55.52.88]:3587 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390882AbgJITvx (ORCPT ); Fri, 9 Oct 2020 15:51:53 -0400 IronPort-SDR: mzoU95oSP1VwD5uWDae0guS0a6cE+H7YgLc5+R2J4zXJztdZotOqq9cM2YFYDL1izjhOdl5LMS EbOn31fl/5qQ== X-IronPort-AV: E=McAfee;i="6000,8403,9769"; a="182976174" X-IronPort-AV: E=Sophos;i="5.77,355,1596524400"; d="scan'208";a="182976174" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2020 12:51:51 -0700 IronPort-SDR: OASmflq+Rx+yTtbdwfMJ0o3fYX/22afbp7t4aASuh19KdC4DJdh+fKQIdVVFr7y3ZwUlZzPFTz pRsXSfU26jow== X-IronPort-AV: E=Sophos;i="5.77,355,1596524400"; d="scan'208";a="529053257" Received: from iweiny-desk2.sc.intel.com (HELO localhost) ([10.3.52.147]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2020 12:51:50 -0700 From: ira.weiny@intel.com To: Andrew Morton , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Andy Lutomirski , Peter Zijlstra Cc: Ira Weiny , x86@kernel.org, Dave Hansen , Dan Williams , Fenghua Yu , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nvdimm@lists.01.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org, kexec@lists.infradead.org, linux-bcache@vger.kernel.org, linux-mtd@lists.infradead.org, devel@driverdev.osuosl.org, linux-efi@vger.kernel.org, linux-mmc@vger.kernel.org, linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, linux-nfs@vger.kernel.org, ceph-devel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-aio@kvack.org, io-uring@vger.kernel.org, linux-erofs@lists.ozlabs.org, linux-um@lists.infradead.org, linux-ntfs-dev@lists.sourceforge.net, reiserfs-devel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-nilfs@vger.kernel.org, cluster-devel@redhat.com, ecryptfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-afs@lists.infradead.org, linux-rdma@vger.kernel.org, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, drbd-dev@lists.linbit.com, linux-block@vger.kernel.org, xen-devel@lists.xenproject.org, linux-cachefs@redhat.com, samba-technical@lists.samba.org, intel-wired-lan@lists.osuosl.org Subject: [PATCH RFC PKS/PMEM 18/58] fs/hfs: Utilize new kmap_thread() Date: Fri, 9 Oct 2020 12:49:53 -0700 Message-Id: <20201009195033.3208459-19-ira.weiny@intel.com> X-Mailer: git-send-email 2.28.0.rc0.12.gb6a658bd00c9 In-Reply-To: <20201009195033.3208459-1-ira.weiny@intel.com> References: <20201009195033.3208459-1-ira.weiny@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org From: Ira Weiny The kmap() calls in this FS are localized to a single thread. To avoid the over head of global PKRS updates use the new kmap_thread() call. Signed-off-by: Ira Weiny --- fs/hfs/bnode.c | 14 +++++++------- fs/hfs/btree.c | 20 ++++++++++---------- 2 files changed, 17 insertions(+), 17 deletions(-) diff --git a/fs/hfs/bnode.c b/fs/hfs/bnode.c index b63a4df7327b..8b4d02576405 100644 --- a/fs/hfs/bnode.c +++ b/fs/hfs/bnode.c @@ -23,8 +23,8 @@ void hfs_bnode_read(struct hfs_bnode *node, void *buf, off += node->page_offset; page = node->page[0]; - memcpy(buf, kmap(page) + off, len); - kunmap(page); + memcpy(buf, kmap_thread(page) + off, len); + kunmap_thread(page); } u16 hfs_bnode_read_u16(struct hfs_bnode *node, int off) @@ -108,9 +108,9 @@ void hfs_bnode_copy(struct hfs_bnode *dst_node, int dst, src_page = src_node->page[0]; dst_page = dst_node->page[0]; - memcpy(kmap(dst_page) + dst, kmap(src_page) + src, len); - kunmap(src_page); - kunmap(dst_page); + memcpy(kmap_thread(dst_page) + dst, kmap_thread(src_page) + src, len); + kunmap_thread(src_page); + kunmap_thread(dst_page); set_page_dirty(dst_page); } @@ -125,9 +125,9 @@ void hfs_bnode_move(struct hfs_bnode *node, int dst, int src, int len) src += node->page_offset; dst += node->page_offset; page = node->page[0]; - ptr = kmap(page); + ptr = kmap_thread(page); memmove(ptr + dst, ptr + src, len); - kunmap(page); + kunmap_thread(page); set_page_dirty(page); } diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c index 19017d296173..bd4a6d35e361 100644 --- a/fs/hfs/btree.c +++ b/fs/hfs/btree.c @@ -80,7 +80,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke goto free_inode; /* Load the header */ - head = (struct hfs_btree_header_rec *)(kmap(page) + sizeof(struct hfs_bnode_desc)); + head = (struct hfs_btree_header_rec *)(kmap_thread(page) + sizeof(struct hfs_bnode_desc)); tree->root = be32_to_cpu(head->root); tree->leaf_count = be32_to_cpu(head->leaf_count); tree->leaf_head = be32_to_cpu(head->leaf_head); @@ -119,7 +119,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke tree->node_size_shift = ffs(size) - 1; tree->pages_per_bnode = (tree->node_size + PAGE_SIZE - 1) >> PAGE_SHIFT; - kunmap(page); + kunmap_thread(page); put_page(page); return tree; @@ -268,7 +268,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) off += node->page_offset; pagep = node->page + (off >> PAGE_SHIFT); - data = kmap(*pagep); + data = kmap_thread(*pagep); off &= ~PAGE_MASK; idx = 0; @@ -281,7 +281,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) idx += i; data[off] |= m; set_page_dirty(*pagep); - kunmap(*pagep); + kunmap_thread(*pagep); tree->free_nodes--; mark_inode_dirty(tree->inode); hfs_bnode_put(node); @@ -290,14 +290,14 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) } } if (++off >= PAGE_SIZE) { - kunmap(*pagep); - data = kmap(*++pagep); + kunmap_thread(*pagep); + data = kmap_thread(*++pagep); off = 0; } idx += 8; len--; } - kunmap(*pagep); + kunmap_thread(*pagep); nidx = node->next; if (!nidx) { printk(KERN_DEBUG "create new bmap node...\n"); @@ -313,7 +313,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) off = off16; off += node->page_offset; pagep = node->page + (off >> PAGE_SHIFT); - data = kmap(*pagep); + data = kmap_thread(*pagep); off &= ~PAGE_MASK; } } @@ -360,7 +360,7 @@ void hfs_bmap_free(struct hfs_bnode *node) } off += node->page_offset + nidx / 8; page = node->page[off >> PAGE_SHIFT]; - data = kmap(page); + data = kmap_thread(page); off &= ~PAGE_MASK; m = 1 << (~nidx & 7); byte = data[off]; @@ -373,7 +373,7 @@ void hfs_bmap_free(struct hfs_bnode *node) } data[off] = byte & ~m; set_page_dirty(page); - kunmap(page); + kunmap_thread(page); hfs_bnode_put(node); tree->free_nodes++; mark_inode_dirty(tree->inode); -- 2.28.0.rc0.12.gb6a658bd00c9 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 610D8C2D0A3 for ; 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a="165642972" X-IronPort-AV: E=Sophos;i="5.77,355,1596524400"; d="scan'208";a="165642972" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2020 12:51:51 -0700 IronPort-SDR: OASmflq+Rx+yTtbdwfMJ0o3fYX/22afbp7t4aASuh19KdC4DJdh+fKQIdVVFr7y3ZwUlZzPFTz pRsXSfU26jow== X-IronPort-AV: E=Sophos;i="5.77,355,1596524400"; d="scan'208";a="529053257" Received: from iweiny-desk2.sc.intel.com (HELO localhost) ([10.3.52.147]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2020 12:51:50 -0700 From: ira.weiny@intel.com To: Andrew Morton , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Andy Lutomirski , Peter Zijlstra Subject: [PATCH RFC PKS/PMEM 18/58] fs/hfs: Utilize new kmap_thread() Date: Fri, 9 Oct 2020 12:49:53 -0700 Message-Id: <20201009195033.3208459-19-ira.weiny@intel.com> X-Mailer: git-send-email 2.28.0.rc0.12.gb6a658bd00c9 In-Reply-To: <20201009195033.3208459-1-ira.weiny@intel.com> References: <20201009195033.3208459-1-ira.weiny@intel.com> MIME-Version: 1.0 X-Mailman-Approved-At: Fri, 09 Oct 2020 21:10:40 +0000 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-aio@kvack.org, linux-efi@vger.kernel.org, kvm@vger.kernel.org, linux-doc@vger.kernel.org, linux-mmc@vger.kernel.org, Dave Hansen , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, target-devel@vger.kernel.org, linux-mtd@lists.infradead.org, linux-kselftest@vger.kernel.org, samba-technical@lists.samba.org, Ira Weiny , ceph-devel@vger.kernel.org, drbd-dev@lists.linbit.com, devel@driverdev.osuosl.org, linux-cifs@vger.kernel.org, linux-nilfs@vger.kernel.org, linux-scsi@vger.kernel.org, linux-nvdimm@lists.01.org, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, linux-afs@lists.infradead.org, cluster-devel@redhat.com, linux-cachefs@redhat.com, intel-wired-lan@lists.osuosl.org, xen-devel@lists.xenproject.org, linux-ext4@vger.kernel.org, Fenghua Yu , linux-um@lists.infradead.org, intel-gfx@lists.freedesktop.org, ecryptfs@vger.kernel.org, linux-erofs@lists.ozlabs.org, reiserfs-devel@vger.kernel.org, linux-block@vger.kernel.org, linux-bcache@vger.kernel.org, Dan Williams , io-uring@vger.kernel.org, linux-nfs@vger.kernel.org, linux-ntfs-dev@lists.sourceforge.net, netdev@vger.kernel.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, bpf@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-btrfs@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" From: Ira Weiny The kmap() calls in this FS are localized to a single thread. To avoid the over head of global PKRS updates use the new kmap_thread() call. Signed-off-by: Ira Weiny --- fs/hfs/bnode.c | 14 +++++++------- fs/hfs/btree.c | 20 ++++++++++---------- 2 files changed, 17 insertions(+), 17 deletions(-) diff --git a/fs/hfs/bnode.c b/fs/hfs/bnode.c index b63a4df7327b..8b4d02576405 100644 --- a/fs/hfs/bnode.c +++ b/fs/hfs/bnode.c @@ -23,8 +23,8 @@ void hfs_bnode_read(struct hfs_bnode *node, void *buf, off += node->page_offset; page = node->page[0]; - memcpy(buf, kmap(page) + off, len); - kunmap(page); + memcpy(buf, kmap_thread(page) + off, len); + kunmap_thread(page); } u16 hfs_bnode_read_u16(struct hfs_bnode *node, int off) @@ -108,9 +108,9 @@ void hfs_bnode_copy(struct hfs_bnode *dst_node, int dst, src_page = src_node->page[0]; dst_page = dst_node->page[0]; - memcpy(kmap(dst_page) + dst, kmap(src_page) + src, len); - kunmap(src_page); - kunmap(dst_page); + memcpy(kmap_thread(dst_page) + dst, kmap_thread(src_page) + src, len); + kunmap_thread(src_page); + kunmap_thread(dst_page); set_page_dirty(dst_page); } @@ -125,9 +125,9 @@ void hfs_bnode_move(struct hfs_bnode *node, int dst, int src, int len) src += node->page_offset; dst += node->page_offset; page = node->page[0]; - ptr = kmap(page); + ptr = kmap_thread(page); memmove(ptr + dst, ptr + src, len); - kunmap(page); + kunmap_thread(page); set_page_dirty(page); } diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c index 19017d296173..bd4a6d35e361 100644 --- a/fs/hfs/btree.c +++ b/fs/hfs/btree.c @@ -80,7 +80,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke goto free_inode; /* Load the header */ - head = (struct hfs_btree_header_rec *)(kmap(page) + sizeof(struct hfs_bnode_desc)); + head = (struct hfs_btree_header_rec *)(kmap_thread(page) + sizeof(struct hfs_bnode_desc)); tree->root = be32_to_cpu(head->root); tree->leaf_count = be32_to_cpu(head->leaf_count); tree->leaf_head = be32_to_cpu(head->leaf_head); @@ -119,7 +119,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke tree->node_size_shift = ffs(size) - 1; tree->pages_per_bnode = (tree->node_size + PAGE_SIZE - 1) >> PAGE_SHIFT; - kunmap(page); + kunmap_thread(page); put_page(page); return tree; @@ -268,7 +268,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) off += node->page_offset; pagep = node->page + (off >> PAGE_SHIFT); - data = kmap(*pagep); + data = kmap_thread(*pagep); off &= ~PAGE_MASK; idx = 0; @@ -281,7 +281,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) idx += i; data[off] |= m; set_page_dirty(*pagep); - kunmap(*pagep); + kunmap_thread(*pagep); tree->free_nodes--; mark_inode_dirty(tree->inode); hfs_bnode_put(node); @@ -290,14 +290,14 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) } } if (++off >= PAGE_SIZE) { - kunmap(*pagep); - data = kmap(*++pagep); + kunmap_thread(*pagep); + data = kmap_thread(*++pagep); off = 0; } idx += 8; len--; } - kunmap(*pagep); + kunmap_thread(*pagep); nidx = node->next; if (!nidx) { printk(KERN_DEBUG "create new bmap node...\n"); @@ -313,7 +313,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) off = off16; off += node->page_offset; pagep = node->page + (off >> PAGE_SHIFT); - data = kmap(*pagep); + data = kmap_thread(*pagep); off &= ~PAGE_MASK; } } @@ -360,7 +360,7 @@ void hfs_bmap_free(struct hfs_bnode *node) } off += node->page_offset + nidx / 8; page = node->page[off >> PAGE_SHIFT]; - data = kmap(page); + data = kmap_thread(page); off &= ~PAGE_MASK; m = 1 << (~nidx & 7); byte = data[off]; @@ -373,7 +373,7 @@ void hfs_bmap_free(struct hfs_bnode *node) } data[off] = byte & ~m; set_page_dirty(page); - kunmap(page); + kunmap_thread(page); hfs_bnode_put(node); tree->free_nodes++; mark_inode_dirty(tree->inode); -- 2.28.0.rc0.12.gb6a658bd00c9 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx From mboxrd@z Thu Jan 1 00:00:00 1970 From: ira.weiny@intel.com Date: Fri, 9 Oct 2020 12:49:53 -0700 Subject: [Cluster-devel] [PATCH RFC PKS/PMEM 18/58] fs/hfs: Utilize new kmap_thread() In-Reply-To: <20201009195033.3208459-1-ira.weiny@intel.com> References: <20201009195033.3208459-1-ira.weiny@intel.com> Message-ID: <20201009195033.3208459-19-ira.weiny@intel.com> List-Id: To: cluster-devel.redhat.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit From: Ira Weiny The kmap() calls in this FS are localized to a single thread. To avoid the over head of global PKRS updates use the new kmap_thread() call. Signed-off-by: Ira Weiny --- fs/hfs/bnode.c | 14 +++++++------- fs/hfs/btree.c | 20 ++++++++++---------- 2 files changed, 17 insertions(+), 17 deletions(-) diff --git a/fs/hfs/bnode.c b/fs/hfs/bnode.c index b63a4df7327b..8b4d02576405 100644 --- a/fs/hfs/bnode.c +++ b/fs/hfs/bnode.c @@ -23,8 +23,8 @@ void hfs_bnode_read(struct hfs_bnode *node, void *buf, off += node->page_offset; page = node->page[0]; - memcpy(buf, kmap(page) + off, len); - kunmap(page); + memcpy(buf, kmap_thread(page) + off, len); + kunmap_thread(page); } u16 hfs_bnode_read_u16(struct hfs_bnode *node, int off) @@ -108,9 +108,9 @@ void hfs_bnode_copy(struct hfs_bnode *dst_node, int dst, src_page = src_node->page[0]; dst_page = dst_node->page[0]; - memcpy(kmap(dst_page) + dst, kmap(src_page) + src, len); - kunmap(src_page); - kunmap(dst_page); + memcpy(kmap_thread(dst_page) + dst, kmap_thread(src_page) + src, len); + kunmap_thread(src_page); + kunmap_thread(dst_page); set_page_dirty(dst_page); } @@ -125,9 +125,9 @@ void hfs_bnode_move(struct hfs_bnode *node, int dst, int src, int len) src += node->page_offset; dst += node->page_offset; page = node->page[0]; - ptr = kmap(page); + ptr = kmap_thread(page); memmove(ptr + dst, ptr + src, len); - kunmap(page); + kunmap_thread(page); set_page_dirty(page); } diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c index 19017d296173..bd4a6d35e361 100644 --- a/fs/hfs/btree.c +++ b/fs/hfs/btree.c @@ -80,7 +80,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke goto free_inode; /* Load the header */ - head = (struct hfs_btree_header_rec *)(kmap(page) + sizeof(struct hfs_bnode_desc)); + head = (struct hfs_btree_header_rec *)(kmap_thread(page) + sizeof(struct hfs_bnode_desc)); tree->root = be32_to_cpu(head->root); tree->leaf_count = be32_to_cpu(head->leaf_count); tree->leaf_head = be32_to_cpu(head->leaf_head); @@ -119,7 +119,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke tree->node_size_shift = ffs(size) - 1; tree->pages_per_bnode = (tree->node_size + PAGE_SIZE - 1) >> PAGE_SHIFT; - kunmap(page); + kunmap_thread(page); put_page(page); return tree; @@ -268,7 +268,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) off += node->page_offset; pagep = node->page + (off >> PAGE_SHIFT); - data = kmap(*pagep); + data = kmap_thread(*pagep); off &= ~PAGE_MASK; idx = 0; @@ -281,7 +281,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) idx += i; data[off] |= m; set_page_dirty(*pagep); - kunmap(*pagep); + kunmap_thread(*pagep); tree->free_nodes--; mark_inode_dirty(tree->inode); hfs_bnode_put(node); @@ -290,14 +290,14 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) } } if (++off >= PAGE_SIZE) { - kunmap(*pagep); - data = kmap(*++pagep); + kunmap_thread(*pagep); + data = kmap_thread(*++pagep); off = 0; } idx += 8; len--; } - kunmap(*pagep); + kunmap_thread(*pagep); nidx = node->next; if (!nidx) { printk(KERN_DEBUG "create new bmap node...\n"); @@ -313,7 +313,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) off = off16; off += node->page_offset; pagep = node->page + (off >> PAGE_SHIFT); - data = kmap(*pagep); + data = kmap_thread(*pagep); off &= ~PAGE_MASK; } } @@ -360,7 +360,7 @@ void hfs_bmap_free(struct hfs_bnode *node) } off += node->page_offset + nidx / 8; page = node->page[off >> PAGE_SHIFT]; - data = kmap(page); + data = kmap_thread(page); off &= ~PAGE_MASK; m = 1 << (~nidx & 7); byte = data[off]; @@ -373,7 +373,7 @@ void hfs_bmap_free(struct hfs_bnode *node) } data[off] = byte & ~m; set_page_dirty(page); - kunmap(page); + kunmap_thread(page); hfs_bnode_put(node); tree->free_nodes++; mark_inode_dirty(tree->inode); -- 2.28.0.rc0.12.gb6a658bd00c9 From mboxrd@z Thu Jan 1 00:00:00 1970 From: ira.weiny@intel.com Date: Fri, 9 Oct 2020 12:49:53 -0700 Subject: [Intel-wired-lan] [PATCH RFC PKS/PMEM 18/58] fs/hfs: Utilize new kmap_thread() In-Reply-To: <20201009195033.3208459-1-ira.weiny@intel.com> References: <20201009195033.3208459-1-ira.weiny@intel.com> Message-ID: <20201009195033.3208459-19-ira.weiny@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: intel-wired-lan@osuosl.org List-ID: From: Ira Weiny The kmap() calls in this FS are localized to a single thread. To avoid the over head of global PKRS updates use the new kmap_thread() call. Signed-off-by: Ira Weiny --- fs/hfs/bnode.c | 14 +++++++------- fs/hfs/btree.c | 20 ++++++++++---------- 2 files changed, 17 insertions(+), 17 deletions(-) diff --git a/fs/hfs/bnode.c b/fs/hfs/bnode.c index b63a4df7327b..8b4d02576405 100644 --- a/fs/hfs/bnode.c +++ b/fs/hfs/bnode.c @@ -23,8 +23,8 @@ void hfs_bnode_read(struct hfs_bnode *node, void *buf, off += node->page_offset; page = node->page[0]; - memcpy(buf, kmap(page) + off, len); - kunmap(page); + memcpy(buf, kmap_thread(page) + off, len); + kunmap_thread(page); } u16 hfs_bnode_read_u16(struct hfs_bnode *node, int off) @@ -108,9 +108,9 @@ void hfs_bnode_copy(struct hfs_bnode *dst_node, int dst, src_page = src_node->page[0]; dst_page = dst_node->page[0]; - memcpy(kmap(dst_page) + dst, kmap(src_page) + src, len); - kunmap(src_page); - kunmap(dst_page); + memcpy(kmap_thread(dst_page) + dst, kmap_thread(src_page) + src, len); + kunmap_thread(src_page); + kunmap_thread(dst_page); set_page_dirty(dst_page); } @@ -125,9 +125,9 @@ void hfs_bnode_move(struct hfs_bnode *node, int dst, int src, int len) src += node->page_offset; dst += node->page_offset; page = node->page[0]; - ptr = kmap(page); + ptr = kmap_thread(page); memmove(ptr + dst, ptr + src, len); - kunmap(page); + kunmap_thread(page); set_page_dirty(page); } diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c index 19017d296173..bd4a6d35e361 100644 --- a/fs/hfs/btree.c +++ b/fs/hfs/btree.c @@ -80,7 +80,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke goto free_inode; /* Load the header */ - head = (struct hfs_btree_header_rec *)(kmap(page) + sizeof(struct hfs_bnode_desc)); + head = (struct hfs_btree_header_rec *)(kmap_thread(page) + sizeof(struct hfs_bnode_desc)); tree->root = be32_to_cpu(head->root); tree->leaf_count = be32_to_cpu(head->leaf_count); tree->leaf_head = be32_to_cpu(head->leaf_head); @@ -119,7 +119,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke tree->node_size_shift = ffs(size) - 1; tree->pages_per_bnode = (tree->node_size + PAGE_SIZE - 1) >> PAGE_SHIFT; - kunmap(page); + kunmap_thread(page); put_page(page); return tree; @@ -268,7 +268,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) off += node->page_offset; pagep = node->page + (off >> PAGE_SHIFT); - data = kmap(*pagep); + data = kmap_thread(*pagep); off &= ~PAGE_MASK; idx = 0; @@ -281,7 +281,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) idx += i; data[off] |= m; set_page_dirty(*pagep); - kunmap(*pagep); + kunmap_thread(*pagep); tree->free_nodes--; mark_inode_dirty(tree->inode); hfs_bnode_put(node); @@ -290,14 +290,14 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) } } if (++off >= PAGE_SIZE) { - kunmap(*pagep); - data = kmap(*++pagep); + kunmap_thread(*pagep); + data = kmap_thread(*++pagep); off = 0; } idx += 8; len--; } - kunmap(*pagep); + kunmap_thread(*pagep); nidx = node->next; if (!nidx) { printk(KERN_DEBUG "create new bmap node...\n"); @@ -313,7 +313,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) off = off16; off += node->page_offset; pagep = node->page + (off >> PAGE_SHIFT); - data = kmap(*pagep); + data = kmap_thread(*pagep); off &= ~PAGE_MASK; } } @@ -360,7 +360,7 @@ void hfs_bmap_free(struct hfs_bnode *node) } off += node->page_offset + nidx / 8; page = node->page[off >> PAGE_SHIFT]; - data = kmap(page); + data = kmap_thread(page); off &= ~PAGE_MASK; m = 1 << (~nidx & 7); byte = data[off]; @@ -373,7 +373,7 @@ void hfs_bmap_free(struct hfs_bnode *node) } data[off] = byte & ~m; set_page_dirty(page); - kunmap(page); + kunmap_thread(page); hfs_bnode_put(node); tree->free_nodes++; mark_inode_dirty(tree->inode); -- 2.28.0.rc0.12.gb6a658bd00c9 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 38BE4C83B92 for ; 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a="165642972" X-IronPort-AV: E=Sophos;i="5.77,355,1596524400"; d="scan'208";a="165642972" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2020 12:51:51 -0700 IronPort-SDR: OASmflq+Rx+yTtbdwfMJ0o3fYX/22afbp7t4aASuh19KdC4DJdh+fKQIdVVFr7y3ZwUlZzPFTz pRsXSfU26jow== X-IronPort-AV: E=Sophos;i="5.77,355,1596524400"; d="scan'208";a="529053257" Received: from iweiny-desk2.sc.intel.com (HELO localhost) ([10.3.52.147]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2020 12:51:50 -0700 From: ira.weiny@intel.com To: Andrew Morton , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Andy Lutomirski , Peter Zijlstra Date: Fri, 9 Oct 2020 12:49:53 -0700 Message-Id: <20201009195033.3208459-19-ira.weiny@intel.com> X-Mailer: git-send-email 2.28.0.rc0.12.gb6a658bd00c9 In-Reply-To: <20201009195033.3208459-1-ira.weiny@intel.com> References: <20201009195033.3208459-1-ira.weiny@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH RFC PKS/PMEM 18/58] fs/hfs: Utilize new kmap_thread() X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-aio@kvack.org, linux-efi@vger.kernel.org, kvm@vger.kernel.org, linux-doc@vger.kernel.org, linux-mmc@vger.kernel.org, Dave Hansen , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, target-devel@vger.kernel.org, linux-mtd@lists.infradead.org, linux-kselftest@vger.kernel.org, samba-technical@lists.samba.org, Ira Weiny , ceph-devel@vger.kernel.org, drbd-dev@lists.linbit.com, devel@driverdev.osuosl.org, linux-cifs@vger.kernel.org, linux-nilfs@vger.kernel.org, linux-scsi@vger.kernel.org, linux-nvdimm@lists.01.org, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, linux-afs@lists.infradead.org, cluster-devel@redhat.com, linux-cachefs@redhat.com, intel-wired-lan@lists.osuosl.org, xen-devel@lists.xenproject.org, linux-ext4@vger.kernel.org, Fenghua Yu , linux-um@lists.infradead.org, intel-gfx@lists.freedesktop.org, ecryptfs@vger.kernel.org, linux-erofs@lists.ozlabs.org, reiserfs-devel@vger.kernel.org, linux-block@vger.kernel.org, linux-bcache@vger.kernel.org, Dan Williams , io-uring@vger.kernel.org, linux-nfs@vger.kernel.org, linux-ntfs-dev@lists.sourceforge.net, netdev@vger.kernel.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, bpf@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-btrfs@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Ira Weiny The kmap() calls in this FS are localized to a single thread. To avoid the over head of global PKRS updates use the new kmap_thread() call. Signed-off-by: Ira Weiny --- fs/hfs/bnode.c | 14 +++++++------- fs/hfs/btree.c | 20 ++++++++++---------- 2 files changed, 17 insertions(+), 17 deletions(-) diff --git a/fs/hfs/bnode.c b/fs/hfs/bnode.c index b63a4df7327b..8b4d02576405 100644 --- a/fs/hfs/bnode.c +++ b/fs/hfs/bnode.c @@ -23,8 +23,8 @@ void hfs_bnode_read(struct hfs_bnode *node, void *buf, off += node->page_offset; page = node->page[0]; - memcpy(buf, kmap(page) + off, len); - kunmap(page); + memcpy(buf, kmap_thread(page) + off, len); + kunmap_thread(page); } u16 hfs_bnode_read_u16(struct hfs_bnode *node, int off) @@ -108,9 +108,9 @@ void hfs_bnode_copy(struct hfs_bnode *dst_node, int dst, src_page = src_node->page[0]; dst_page = dst_node->page[0]; - memcpy(kmap(dst_page) + dst, kmap(src_page) + src, len); - kunmap(src_page); - kunmap(dst_page); + memcpy(kmap_thread(dst_page) + dst, kmap_thread(src_page) + src, len); + kunmap_thread(src_page); + kunmap_thread(dst_page); set_page_dirty(dst_page); } @@ -125,9 +125,9 @@ void hfs_bnode_move(struct hfs_bnode *node, int dst, int src, int len) src += node->page_offset; dst += node->page_offset; page = node->page[0]; - ptr = kmap(page); + ptr = kmap_thread(page); memmove(ptr + dst, ptr + src, len); - kunmap(page); + kunmap_thread(page); set_page_dirty(page); } diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c index 19017d296173..bd4a6d35e361 100644 --- a/fs/hfs/btree.c +++ b/fs/hfs/btree.c @@ -80,7 +80,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke goto free_inode; /* Load the header */ - head = (struct hfs_btree_header_rec *)(kmap(page) + sizeof(struct hfs_bnode_desc)); + head = (struct hfs_btree_header_rec *)(kmap_thread(page) + sizeof(struct hfs_bnode_desc)); tree->root = be32_to_cpu(head->root); tree->leaf_count = be32_to_cpu(head->leaf_count); tree->leaf_head = be32_to_cpu(head->leaf_head); @@ -119,7 +119,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke tree->node_size_shift = ffs(size) - 1; tree->pages_per_bnode = (tree->node_size + PAGE_SIZE - 1) >> PAGE_SHIFT; - kunmap(page); + kunmap_thread(page); put_page(page); return tree; @@ -268,7 +268,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) off += node->page_offset; pagep = node->page + (off >> PAGE_SHIFT); - data = kmap(*pagep); + data = kmap_thread(*pagep); off &= ~PAGE_MASK; idx = 0; @@ -281,7 +281,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) idx += i; data[off] |= m; set_page_dirty(*pagep); - kunmap(*pagep); + kunmap_thread(*pagep); tree->free_nodes--; mark_inode_dirty(tree->inode); hfs_bnode_put(node); @@ -290,14 +290,14 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) } } if (++off >= PAGE_SIZE) { - kunmap(*pagep); - data = kmap(*++pagep); + kunmap_thread(*pagep); + data = kmap_thread(*++pagep); off = 0; } idx += 8; len--; } - kunmap(*pagep); + kunmap_thread(*pagep); nidx = node->next; if (!nidx) { printk(KERN_DEBUG "create new bmap node...\n"); @@ -313,7 +313,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) off = off16; off += node->page_offset; pagep = node->page + (off >> PAGE_SHIFT); - data = kmap(*pagep); + data = kmap_thread(*pagep); off &= ~PAGE_MASK; } } @@ -360,7 +360,7 @@ void hfs_bmap_free(struct hfs_bnode *node) } off += node->page_offset + nidx / 8; page = node->page[off >> PAGE_SHIFT]; - data = kmap(page); + data = kmap_thread(page); off &= ~PAGE_MASK; m = 1 << (~nidx & 7); byte = data[off]; @@ -373,7 +373,7 @@ void hfs_bmap_free(struct hfs_bnode *node) } data[off] = byte & ~m; set_page_dirty(page); - kunmap(page); + kunmap_thread(page); hfs_bnode_put(node); tree->free_nodes++; mark_inode_dirty(tree->inode); -- 2.28.0.rc0.12.gb6a658bd00c9 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: From: ira.weiny@intel.com Subject: [PATCH RFC PKS/PMEM 18/58] fs/hfs: Utilize new kmap_thread() Date: Fri, 9 Oct 2020 12:49:53 -0700 Message-Id: <20201009195033.3208459-19-ira.weiny@intel.com> In-Reply-To: <20201009195033.3208459-1-ira.weiny@intel.com> References: <20201009195033.3208459-1-ira.weiny@intel.com> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kexec" Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: Andrew Morton , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Andy Lutomirski , Peter Zijlstra Cc: linux-aio@kvack.org, linux-efi@vger.kernel.org, kvm@vger.kernel.org, linux-doc@vger.kernel.org, linux-mmc@vger.kernel.org, Dave Hansen , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, target-devel@vger.kernel.org, linux-mtd@lists.infradead.org, linux-kselftest@vger.kernel.org, samba-technical@lists.samba.org, Ira Weiny , ceph-devel@vger.kernel.org, drbd-dev@lists.linbit.com, devel@driverdev.osuosl.org, linux-cifs@vger.kernel.org, linux-nilfs@vger.kernel.org, linux-scsi@vger.kernel.org, linux-nvdimm@lists.01.org, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, linux-afs@lists.infradead.org, cluster-devel@redhat.com, linux-cachefs@redhat.com, intel-wired-lan@lists.osuosl.org, xen-devel@lists.xenproject.org, linux-ext4@vger.kernel.org, Fenghua Yu , linux-um@lists.infradead.org, intel-gfx@lists.freedesktop.org, ecryptfs@vger.kernel.org, linux-erofs@lists.ozlabs.org, reiserfs-devel@vger.kernel.org, linux-block@vger.kernel.org, linux-bcache@vger.kernel.org, Dan Williams , io-uring@vger.kernel.org, linux-nfs@vger.kernel.org, linux-ntfs-dev@lists.sourceforge.net, netdev@vger.kernel.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, bpf@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-btrfs@vger.kernel.org From: Ira Weiny The kmap() calls in this FS are localized to a single thread. To avoid the over head of global PKRS updates use the new kmap_thread() call. Signed-off-by: Ira Weiny --- fs/hfs/bnode.c | 14 +++++++------- fs/hfs/btree.c | 20 ++++++++++---------- 2 files changed, 17 insertions(+), 17 deletions(-) diff --git a/fs/hfs/bnode.c b/fs/hfs/bnode.c index b63a4df7327b..8b4d02576405 100644 --- a/fs/hfs/bnode.c +++ b/fs/hfs/bnode.c @@ -23,8 +23,8 @@ void hfs_bnode_read(struct hfs_bnode *node, void *buf, off += node->page_offset; page = node->page[0]; - memcpy(buf, kmap(page) + off, len); - kunmap(page); + memcpy(buf, kmap_thread(page) + off, len); + kunmap_thread(page); } u16 hfs_bnode_read_u16(struct hfs_bnode *node, int off) @@ -108,9 +108,9 @@ void hfs_bnode_copy(struct hfs_bnode *dst_node, int dst, src_page = src_node->page[0]; dst_page = dst_node->page[0]; - memcpy(kmap(dst_page) + dst, kmap(src_page) + src, len); - kunmap(src_page); - kunmap(dst_page); + memcpy(kmap_thread(dst_page) + dst, kmap_thread(src_page) + src, len); + kunmap_thread(src_page); + kunmap_thread(dst_page); set_page_dirty(dst_page); } @@ -125,9 +125,9 @@ void hfs_bnode_move(struct hfs_bnode *node, int dst, int src, int len) src += node->page_offset; dst += node->page_offset; page = node->page[0]; - ptr = kmap(page); + ptr = kmap_thread(page); memmove(ptr + dst, ptr + src, len); - kunmap(page); + kunmap_thread(page); set_page_dirty(page); } diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c index 19017d296173..bd4a6d35e361 100644 --- a/fs/hfs/btree.c +++ b/fs/hfs/btree.c @@ -80,7 +80,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke goto free_inode; /* Load the header */ - head = (struct hfs_btree_header_rec *)(kmap(page) + sizeof(struct hfs_bnode_desc)); + head = (struct hfs_btree_header_rec *)(kmap_thread(page) + sizeof(struct hfs_bnode_desc)); tree->root = be32_to_cpu(head->root); tree->leaf_count = be32_to_cpu(head->leaf_count); tree->leaf_head = be32_to_cpu(head->leaf_head); @@ -119,7 +119,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke tree->node_size_shift = ffs(size) - 1; tree->pages_per_bnode = (tree->node_size + PAGE_SIZE - 1) >> PAGE_SHIFT; - kunmap(page); + kunmap_thread(page); put_page(page); return tree; @@ -268,7 +268,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) off += node->page_offset; pagep = node->page + (off >> PAGE_SHIFT); - data = kmap(*pagep); + data = kmap_thread(*pagep); off &= ~PAGE_MASK; idx = 0; @@ -281,7 +281,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) idx += i; data[off] |= m; set_page_dirty(*pagep); - kunmap(*pagep); + kunmap_thread(*pagep); tree->free_nodes--; mark_inode_dirty(tree->inode); hfs_bnode_put(node); @@ -290,14 +290,14 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) } } if (++off >= PAGE_SIZE) { - kunmap(*pagep); - data = kmap(*++pagep); + kunmap_thread(*pagep); + data = kmap_thread(*++pagep); off = 0; } idx += 8; len--; } - kunmap(*pagep); + kunmap_thread(*pagep); nidx = node->next; if (!nidx) { printk(KERN_DEBUG "create new bmap node...\n"); @@ -313,7 +313,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) off = off16; off += node->page_offset; pagep = node->page + (off >> PAGE_SHIFT); - data = kmap(*pagep); + data = kmap_thread(*pagep); off &= ~PAGE_MASK; } } @@ -360,7 +360,7 @@ void hfs_bmap_free(struct hfs_bnode *node) } off += node->page_offset + nidx / 8; page = node->page[off >> PAGE_SHIFT]; - data = kmap(page); + data = kmap_thread(page); off &= ~PAGE_MASK; m = 1 << (~nidx & 7); byte = data[off]; @@ -373,7 +373,7 @@ void hfs_bmap_free(struct hfs_bnode *node) } data[off] = byte & ~m; set_page_dirty(page); - kunmap(page); + kunmap_thread(page); hfs_bnode_put(node); tree->free_nodes++; mark_inode_dirty(tree->inode); -- 2.28.0.rc0.12.gb6a658bd00c9 _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DFC13C43457 for ; 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09 Oct 2020 12:51:50 -0700 From: ira.weiny@intel.com To: Andrew Morton , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Andy Lutomirski , Peter Zijlstra Subject: [PATCH RFC PKS/PMEM 18/58] fs/hfs: Utilize new kmap_thread() Date: Fri, 9 Oct 2020 12:49:53 -0700 Message-Id: <20201009195033.3208459-19-ira.weiny@intel.com> X-Mailer: git-send-email 2.28.0.rc0.12.gb6a658bd00c9 In-Reply-To: <20201009195033.3208459-1-ira.weiny@intel.com> References: <20201009195033.3208459-1-ira.weiny@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linux-erofs@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development of Linux EROFS file system List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-aio@kvack.org, linux-efi@vger.kernel.org, kvm@vger.kernel.org, linux-doc@vger.kernel.org, linux-mmc@vger.kernel.org, Dave Hansen , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, target-devel@vger.kernel.org, linux-mtd@lists.infradead.org, linux-kselftest@vger.kernel.org, samba-technical@lists.samba.org, Ira Weiny , ceph-devel@vger.kernel.org, drbd-dev@lists.linbit.com, devel@driverdev.osuosl.org, linux-cifs@vger.kernel.org, linux-nilfs@vger.kernel.org, linux-scsi@vger.kernel.org, linux-nvdimm@lists.01.org, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, linux-afs@lists.infradead.org, cluster-devel@redhat.com, linux-cachefs@redhat.com, intel-wired-lan@lists.osuosl.org, xen-devel@lists.xenproject.org, linux-ext4@vger.kernel.org, Fenghua Yu , linux-um@lists.infradead.org, intel-gfx@lists.freedesktop.org, ecryptfs@vger.kernel.org, linux-erofs@lists.ozlabs.org, reiserfs-devel@vger.kernel.org, linux-block@vger.kernel.org, linux-bcache@vger.kernel.org, Dan Williams , io-uring@vger.kernel.org, linux-nfs@vger.kernel.org, linux-ntfs-dev@lists.sourceforge.net, netdev@vger.kernel.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, bpf@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-btrfs@vger.kernel.org Errors-To: linux-erofs-bounces+linux-erofs=archiver.kernel.org@lists.ozlabs.org Sender: "Linux-erofs" From: Ira Weiny The kmap() calls in this FS are localized to a single thread. To avoid the over head of global PKRS updates use the new kmap_thread() call. Signed-off-by: Ira Weiny --- fs/hfs/bnode.c | 14 +++++++------- fs/hfs/btree.c | 20 ++++++++++---------- 2 files changed, 17 insertions(+), 17 deletions(-) diff --git a/fs/hfs/bnode.c b/fs/hfs/bnode.c index b63a4df7327b..8b4d02576405 100644 --- a/fs/hfs/bnode.c +++ b/fs/hfs/bnode.c @@ -23,8 +23,8 @@ void hfs_bnode_read(struct hfs_bnode *node, void *buf, off += node->page_offset; page = node->page[0]; - memcpy(buf, kmap(page) + off, len); - kunmap(page); + memcpy(buf, kmap_thread(page) + off, len); + kunmap_thread(page); } u16 hfs_bnode_read_u16(struct hfs_bnode *node, int off) @@ -108,9 +108,9 @@ void hfs_bnode_copy(struct hfs_bnode *dst_node, int dst, src_page = src_node->page[0]; dst_page = dst_node->page[0]; - memcpy(kmap(dst_page) + dst, kmap(src_page) + src, len); - kunmap(src_page); - kunmap(dst_page); + memcpy(kmap_thread(dst_page) + dst, kmap_thread(src_page) + src, len); + kunmap_thread(src_page); + kunmap_thread(dst_page); set_page_dirty(dst_page); } @@ -125,9 +125,9 @@ void hfs_bnode_move(struct hfs_bnode *node, int dst, int src, int len) src += node->page_offset; dst += node->page_offset; page = node->page[0]; - ptr = kmap(page); + ptr = kmap_thread(page); memmove(ptr + dst, ptr + src, len); - kunmap(page); + kunmap_thread(page); set_page_dirty(page); } diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c index 19017d296173..bd4a6d35e361 100644 --- a/fs/hfs/btree.c +++ b/fs/hfs/btree.c @@ -80,7 +80,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke goto free_inode; /* Load the header */ - head = (struct hfs_btree_header_rec *)(kmap(page) + sizeof(struct hfs_bnode_desc)); + head = (struct hfs_btree_header_rec *)(kmap_thread(page) + sizeof(struct hfs_bnode_desc)); tree->root = be32_to_cpu(head->root); tree->leaf_count = be32_to_cpu(head->leaf_count); tree->leaf_head = be32_to_cpu(head->leaf_head); @@ -119,7 +119,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke tree->node_size_shift = ffs(size) - 1; tree->pages_per_bnode = (tree->node_size + PAGE_SIZE - 1) >> PAGE_SHIFT; - kunmap(page); + kunmap_thread(page); put_page(page); return tree; @@ -268,7 +268,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) off += node->page_offset; pagep = node->page + (off >> PAGE_SHIFT); - data = kmap(*pagep); + data = kmap_thread(*pagep); off &= ~PAGE_MASK; idx = 0; @@ -281,7 +281,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) idx += i; data[off] |= m; set_page_dirty(*pagep); - kunmap(*pagep); + kunmap_thread(*pagep); tree->free_nodes--; mark_inode_dirty(tree->inode); hfs_bnode_put(node); @@ -290,14 +290,14 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) } } if (++off >= PAGE_SIZE) { - kunmap(*pagep); - data = kmap(*++pagep); + kunmap_thread(*pagep); + data = kmap_thread(*++pagep); off = 0; } idx += 8; len--; } - kunmap(*pagep); + kunmap_thread(*pagep); nidx = node->next; if (!nidx) { printk(KERN_DEBUG "create new bmap node...\n"); @@ -313,7 +313,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) off = off16; off += node->page_offset; pagep = node->page + (off >> PAGE_SHIFT); - data = kmap(*pagep); + data = kmap_thread(*pagep); off &= ~PAGE_MASK; } } @@ -360,7 +360,7 @@ void hfs_bmap_free(struct hfs_bnode *node) } off += node->page_offset + nidx / 8; page = node->page[off >> PAGE_SHIFT]; - data = kmap(page); + data = kmap_thread(page); off &= ~PAGE_MASK; m = 1 << (~nidx & 7); byte = data[off]; @@ -373,7 +373,7 @@ void hfs_bmap_free(struct hfs_bnode *node) } data[off] = byte & ~m; set_page_dirty(page); - kunmap(page); + kunmap_thread(page); hfs_bnode_put(node); tree->free_nodes++; mark_inode_dirty(tree->inode); -- 2.28.0.rc0.12.gb6a658bd00c9 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 043D9C56202 for ; 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d="scan'208";a="529053257" Received: from iweiny-desk2.sc.intel.com (HELO localhost) ([10.3.52.147]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2020 12:51:50 -0700 From: ira.weiny@intel.com To: Andrew Morton , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Andy Lutomirski , Peter Zijlstra Date: Fri, 9 Oct 2020 12:49:53 -0700 Message-Id: <20201009195033.3208459-19-ira.weiny@intel.com> X-Mailer: git-send-email 2.28.0.rc0.12.gb6a658bd00c9 In-Reply-To: <20201009195033.3208459-1-ira.weiny@intel.com> References: <20201009195033.3208459-1-ira.weiny@intel.com> MIME-Version: 1.0 X-Headers-End: 1kQyR2-004aNQ-Bk Subject: [f2fs-dev] [PATCH RFC PKS/PMEM 18/58] fs/hfs: Utilize new kmap_thread() X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-aio@kvack.org, linux-efi@vger.kernel.org, kvm@vger.kernel.org, linux-doc@vger.kernel.org, linux-mmc@vger.kernel.org, Dave Hansen , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, target-devel@vger.kernel.org, linux-mtd@lists.infradead.org, linux-kselftest@vger.kernel.org, samba-technical@lists.samba.org, Ira Weiny , ceph-devel@vger.kernel.org, drbd-dev@lists.linbit.com, devel@driverdev.osuosl.org, linux-cifs@vger.kernel.org, linux-nilfs@vger.kernel.org, linux-scsi@vger.kernel.org, linux-nvdimm@lists.01.org, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, linux-afs@lists.infradead.org, cluster-devel@redhat.com, linux-cachefs@redhat.com, intel-wired-lan@lists.osuosl.org, xen-devel@lists.xenproject.org, linux-ext4@vger.kernel.org, Fenghua Yu , linux-um@lists.infradead.org, intel-gfx@lists.freedesktop.org, ecryptfs@vger.kernel.org, linux-erofs@lists.ozlabs.org, reiserfs-devel@vger.kernel.org, linux-block@vger.kernel.org, linux-bcache@vger.kernel.org, Dan Williams , io-uring@vger.kernel.org, linux-nfs@vger.kernel.org, linux-ntfs-dev@lists.sourceforge.net, netdev@vger.kernel.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, bpf@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-btrfs@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net From: Ira Weiny The kmap() calls in this FS are localized to a single thread. To avoid the over head of global PKRS updates use the new kmap_thread() call. Signed-off-by: Ira Weiny --- fs/hfs/bnode.c | 14 +++++++------- fs/hfs/btree.c | 20 ++++++++++---------- 2 files changed, 17 insertions(+), 17 deletions(-) diff --git a/fs/hfs/bnode.c b/fs/hfs/bnode.c index b63a4df7327b..8b4d02576405 100644 --- a/fs/hfs/bnode.c +++ b/fs/hfs/bnode.c @@ -23,8 +23,8 @@ void hfs_bnode_read(struct hfs_bnode *node, void *buf, off += node->page_offset; page = node->page[0]; - memcpy(buf, kmap(page) + off, len); - kunmap(page); + memcpy(buf, kmap_thread(page) + off, len); + kunmap_thread(page); } u16 hfs_bnode_read_u16(struct hfs_bnode *node, int off) @@ -108,9 +108,9 @@ void hfs_bnode_copy(struct hfs_bnode *dst_node, int dst, src_page = src_node->page[0]; dst_page = dst_node->page[0]; - memcpy(kmap(dst_page) + dst, kmap(src_page) + src, len); - kunmap(src_page); - kunmap(dst_page); + memcpy(kmap_thread(dst_page) + dst, kmap_thread(src_page) + src, len); + kunmap_thread(src_page); + kunmap_thread(dst_page); set_page_dirty(dst_page); } @@ -125,9 +125,9 @@ void hfs_bnode_move(struct hfs_bnode *node, int dst, int src, int len) src += node->page_offset; dst += node->page_offset; page = node->page[0]; - ptr = kmap(page); + ptr = kmap_thread(page); memmove(ptr + dst, ptr + src, len); - kunmap(page); + kunmap_thread(page); set_page_dirty(page); } diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c index 19017d296173..bd4a6d35e361 100644 --- a/fs/hfs/btree.c +++ b/fs/hfs/btree.c @@ -80,7 +80,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke goto free_inode; /* Load the header */ - head = (struct hfs_btree_header_rec *)(kmap(page) + sizeof(struct hfs_bnode_desc)); + head = (struct hfs_btree_header_rec *)(kmap_thread(page) + sizeof(struct hfs_bnode_desc)); tree->root = be32_to_cpu(head->root); tree->leaf_count = be32_to_cpu(head->leaf_count); tree->leaf_head = be32_to_cpu(head->leaf_head); @@ -119,7 +119,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke tree->node_size_shift = ffs(size) - 1; tree->pages_per_bnode = (tree->node_size + PAGE_SIZE - 1) >> PAGE_SHIFT; - kunmap(page); + kunmap_thread(page); put_page(page); return tree; @@ -268,7 +268,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) off += node->page_offset; pagep = node->page + (off >> PAGE_SHIFT); - data = kmap(*pagep); + data = kmap_thread(*pagep); off &= ~PAGE_MASK; idx = 0; @@ -281,7 +281,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) idx += i; data[off] |= m; set_page_dirty(*pagep); - kunmap(*pagep); + kunmap_thread(*pagep); tree->free_nodes--; mark_inode_dirty(tree->inode); hfs_bnode_put(node); @@ -290,14 +290,14 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) } } if (++off >= PAGE_SIZE) { - kunmap(*pagep); - data = kmap(*++pagep); + kunmap_thread(*pagep); + data = kmap_thread(*++pagep); off = 0; } idx += 8; len--; } - kunmap(*pagep); + kunmap_thread(*pagep); nidx = node->next; if (!nidx) { printk(KERN_DEBUG "create new bmap node...\n"); @@ -313,7 +313,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) off = off16; off += node->page_offset; pagep = node->page + (off >> PAGE_SHIFT); - data = kmap(*pagep); + data = kmap_thread(*pagep); off &= ~PAGE_MASK; } } @@ -360,7 +360,7 @@ void hfs_bmap_free(struct hfs_bnode *node) } off += node->page_offset + nidx / 8; page = node->page[off >> PAGE_SHIFT]; - data = kmap(page); + data = kmap_thread(page); off &= ~PAGE_MASK; m = 1 << (~nidx & 7); byte = data[off]; @@ -373,7 +373,7 @@ void hfs_bmap_free(struct hfs_bnode *node) } data[off] = byte & ~m; set_page_dirty(page); - kunmap(page); + kunmap_thread(page); hfs_bnode_put(node); tree->free_nodes++; mark_inode_dirty(tree->inode); -- 2.28.0.rc0.12.gb6a658bd00c9 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EE935C83B8E for ; 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Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit From: Ira Weiny The kmap() calls in this FS are localized to a single thread. To avoid the over head of global PKRS updates use the new kmap_thread() call. Signed-off-by: Ira Weiny --- fs/hfs/bnode.c | 14 +++++++------- fs/hfs/btree.c | 20 ++++++++++---------- 2 files changed, 17 insertions(+), 17 deletions(-) diff --git a/fs/hfs/bnode.c b/fs/hfs/bnode.c index b63a4df7327b..8b4d02576405 100644 --- a/fs/hfs/bnode.c +++ b/fs/hfs/bnode.c @@ -23,8 +23,8 @@ void hfs_bnode_read(struct hfs_bnode *node, void *buf, off += node->page_offset; page = node->page[0]; - memcpy(buf, kmap(page) + off, len); - kunmap(page); + memcpy(buf, kmap_thread(page) + off, len); + kunmap_thread(page); } u16 hfs_bnode_read_u16(struct hfs_bnode *node, int off) @@ -108,9 +108,9 @@ void hfs_bnode_copy(struct hfs_bnode *dst_node, int dst, src_page = src_node->page[0]; dst_page = dst_node->page[0]; - memcpy(kmap(dst_page) + dst, kmap(src_page) + src, len); - kunmap(src_page); - kunmap(dst_page); + memcpy(kmap_thread(dst_page) + dst, kmap_thread(src_page) + src, len); + kunmap_thread(src_page); + kunmap_thread(dst_page); set_page_dirty(dst_page); } @@ -125,9 +125,9 @@ void hfs_bnode_move(struct hfs_bnode *node, int dst, int src, int len) src += node->page_offset; dst += node->page_offset; page = node->page[0]; - ptr = kmap(page); + ptr = kmap_thread(page); memmove(ptr + dst, ptr + src, len); - kunmap(page); + kunmap_thread(page); set_page_dirty(page); } diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c index 19017d296173..bd4a6d35e361 100644 --- a/fs/hfs/btree.c +++ b/fs/hfs/btree.c @@ -80,7 +80,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke goto free_inode; /* Load the header */ - head = (struct hfs_btree_header_rec *)(kmap(page) + sizeof(struct hfs_bnode_desc)); + head = (struct hfs_btree_header_rec *)(kmap_thread(page) + sizeof(struct hfs_bnode_desc)); tree->root = be32_to_cpu(head->root); tree->leaf_count = be32_to_cpu(head->leaf_count); tree->leaf_head = be32_to_cpu(head->leaf_head); @@ -119,7 +119,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke tree->node_size_shift = ffs(size) - 1; tree->pages_per_bnode = (tree->node_size + PAGE_SIZE - 1) >> PAGE_SHIFT; - kunmap(page); + kunmap_thread(page); put_page(page); return tree; @@ -268,7 +268,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) off += node->page_offset; pagep = node->page + (off >> PAGE_SHIFT); - data = kmap(*pagep); + data = kmap_thread(*pagep); off &= ~PAGE_MASK; idx = 0; @@ -281,7 +281,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) idx += i; data[off] |= m; set_page_dirty(*pagep); - kunmap(*pagep); + kunmap_thread(*pagep); tree->free_nodes--; mark_inode_dirty(tree->inode); hfs_bnode_put(node); @@ -290,14 +290,14 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) } } if (++off >= PAGE_SIZE) { - kunmap(*pagep); - data = kmap(*++pagep); + kunmap_thread(*pagep); + data = kmap_thread(*++pagep); off = 0; } idx += 8; len--; } - kunmap(*pagep); + kunmap_thread(*pagep); nidx = node->next; if (!nidx) { printk(KERN_DEBUG "create new bmap node...\n"); @@ -313,7 +313,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) off = off16; off += node->page_offset; pagep = node->page + (off >> PAGE_SHIFT); - data = kmap(*pagep); + data = kmap_thread(*pagep); off &= ~PAGE_MASK; } } @@ -360,7 +360,7 @@ void hfs_bmap_free(struct hfs_bnode *node) } off += node->page_offset + nidx / 8; page = node->page[off >> PAGE_SHIFT]; - data = kmap(page); + data = kmap_thread(page); off &= ~PAGE_MASK; m = 1 << (~nidx & 7); byte = data[off]; @@ -373,7 +373,7 @@ void hfs_bmap_free(struct hfs_bnode *node) } data[off] = byte & ~m; set_page_dirty(page); - kunmap(page); + kunmap_thread(page); hfs_bnode_put(node); tree->free_nodes++; mark_inode_dirty(tree->inode); -- 2.28.0.rc0.12.gb6a658bd00c9 _______________________________________________ Linux-nvdimm mailing list -- linux-nvdimm@lists.01.org To unsubscribe send an email to linux-nvdimm-leave@lists.01.org From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 04808C433E7 for ; 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09 Oct 2020 12:51:51 -0700 IronPort-SDR: OASmflq+Rx+yTtbdwfMJ0o3fYX/22afbp7t4aASuh19KdC4DJdh+fKQIdVVFr7y3ZwUlZzPFTz pRsXSfU26jow== X-IronPort-AV: E=Sophos;i="5.77,355,1596524400"; d="scan'208";a="529053257" Received: from iweiny-desk2.sc.intel.com (HELO localhost) ([10.3.52.147]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2020 12:51:50 -0700 From: ira.weiny@intel.com To: Andrew Morton , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Andy Lutomirski , Peter Zijlstra Subject: [PATCH RFC PKS/PMEM 18/58] fs/hfs: Utilize new kmap_thread() Date: Fri, 9 Oct 2020 12:49:53 -0700 Message-Id: <20201009195033.3208459-19-ira.weiny@intel.com> X-Mailer: git-send-email 2.28.0.rc0.12.gb6a658bd00c9 In-Reply-To: <20201009195033.3208459-1-ira.weiny@intel.com> References: <20201009195033.3208459-1-ira.weiny@intel.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201009_205156_283595_63EEF9A5 X-CRM114-Status: GOOD ( 13.52 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-aio@kvack.org, linux-efi@vger.kernel.org, kvm@vger.kernel.org, linux-doc@vger.kernel.org, linux-mmc@vger.kernel.org, Dave Hansen , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, target-devel@vger.kernel.org, linux-mtd@lists.infradead.org, linux-kselftest@vger.kernel.org, samba-technical@lists.samba.org, Ira Weiny , ceph-devel@vger.kernel.org, drbd-dev@lists.linbit.com, devel@driverdev.osuosl.org, linux-cifs@vger.kernel.org, linux-nilfs@vger.kernel.org, linux-scsi@vger.kernel.org, linux-nvdimm@lists.01.org, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, linux-afs@lists.infradead.org, cluster-devel@redhat.com, linux-cachefs@redhat.com, intel-wired-lan@lists.osuosl.org, xen-devel@lists.xenproject.org, linux-ext4@vger.kernel.org, Fenghua Yu , linux-um@lists.infradead.org, intel-gfx@lists.freedesktop.org, ecryptfs@vger.kernel.org, linux-erofs@lists.ozlabs.org, reiserfs-devel@vger.kernel.org, linux-block@vger.kernel.org, linux-bcache@vger.kernel.org, Dan Williams , io-uring@vger.kernel.org, linux-nfs@vger.kernel.org, linux-ntfs-dev@lists.sourceforge.net, netdev@vger.kernel.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, bpf@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-btrfs@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org From: Ira Weiny The kmap() calls in this FS are localized to a single thread. To avoid the over head of global PKRS updates use the new kmap_thread() call. Signed-off-by: Ira Weiny --- fs/hfs/bnode.c | 14 +++++++------- fs/hfs/btree.c | 20 ++++++++++---------- 2 files changed, 17 insertions(+), 17 deletions(-) diff --git a/fs/hfs/bnode.c b/fs/hfs/bnode.c index b63a4df7327b..8b4d02576405 100644 --- a/fs/hfs/bnode.c +++ b/fs/hfs/bnode.c @@ -23,8 +23,8 @@ void hfs_bnode_read(struct hfs_bnode *node, void *buf, off += node->page_offset; page = node->page[0]; - memcpy(buf, kmap(page) + off, len); - kunmap(page); + memcpy(buf, kmap_thread(page) + off, len); + kunmap_thread(page); } u16 hfs_bnode_read_u16(struct hfs_bnode *node, int off) @@ -108,9 +108,9 @@ void hfs_bnode_copy(struct hfs_bnode *dst_node, int dst, src_page = src_node->page[0]; dst_page = dst_node->page[0]; - memcpy(kmap(dst_page) + dst, kmap(src_page) + src, len); - kunmap(src_page); - kunmap(dst_page); + memcpy(kmap_thread(dst_page) + dst, kmap_thread(src_page) + src, len); + kunmap_thread(src_page); + kunmap_thread(dst_page); set_page_dirty(dst_page); } @@ -125,9 +125,9 @@ void hfs_bnode_move(struct hfs_bnode *node, int dst, int src, int len) src += node->page_offset; dst += node->page_offset; page = node->page[0]; - ptr = kmap(page); + ptr = kmap_thread(page); memmove(ptr + dst, ptr + src, len); - kunmap(page); + kunmap_thread(page); set_page_dirty(page); } diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c index 19017d296173..bd4a6d35e361 100644 --- a/fs/hfs/btree.c +++ b/fs/hfs/btree.c @@ -80,7 +80,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke goto free_inode; /* Load the header */ - head = (struct hfs_btree_header_rec *)(kmap(page) + sizeof(struct hfs_bnode_desc)); + head = (struct hfs_btree_header_rec *)(kmap_thread(page) + sizeof(struct hfs_bnode_desc)); tree->root = be32_to_cpu(head->root); tree->leaf_count = be32_to_cpu(head->leaf_count); tree->leaf_head = be32_to_cpu(head->leaf_head); @@ -119,7 +119,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke tree->node_size_shift = ffs(size) - 1; tree->pages_per_bnode = (tree->node_size + PAGE_SIZE - 1) >> PAGE_SHIFT; - kunmap(page); + kunmap_thread(page); put_page(page); return tree; @@ -268,7 +268,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) off += node->page_offset; pagep = node->page + (off >> PAGE_SHIFT); - data = kmap(*pagep); + data = kmap_thread(*pagep); off &= ~PAGE_MASK; idx = 0; @@ -281,7 +281,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) idx += i; data[off] |= m; set_page_dirty(*pagep); - kunmap(*pagep); + kunmap_thread(*pagep); tree->free_nodes--; mark_inode_dirty(tree->inode); hfs_bnode_put(node); @@ -290,14 +290,14 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) } } if (++off >= PAGE_SIZE) { - kunmap(*pagep); - data = kmap(*++pagep); + kunmap_thread(*pagep); + data = kmap_thread(*++pagep); off = 0; } idx += 8; len--; } - kunmap(*pagep); + kunmap_thread(*pagep); nidx = node->next; if (!nidx) { printk(KERN_DEBUG "create new bmap node...\n"); @@ -313,7 +313,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) off = off16; off += node->page_offset; pagep = node->page + (off >> PAGE_SHIFT); - data = kmap(*pagep); + data = kmap_thread(*pagep); off &= ~PAGE_MASK; } } @@ -360,7 +360,7 @@ void hfs_bmap_free(struct hfs_bnode *node) } off += node->page_offset + nidx / 8; page = node->page[off >> PAGE_SHIFT]; - data = kmap(page); + data = kmap_thread(page); off &= ~PAGE_MASK; m = 1 << (~nidx & 7); byte = data[off]; @@ -373,7 +373,7 @@ void hfs_bmap_free(struct hfs_bnode *node) } data[off] = byte & ~m; set_page_dirty(page); - kunmap(page); + kunmap_thread(page); hfs_bnode_put(node); tree->free_nodes++; mark_inode_dirty(tree->inode); -- 2.28.0.rc0.12.gb6a658bd00c9 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/ From mboxrd@z Thu Jan 1 00:00:00 1970 From: ira.weiny@intel.com Date: Fri, 09 Oct 2020 19:49:53 +0000 Subject: [PATCH RFC PKS/PMEM 18/58] fs/hfs: Utilize new kmap_thread() Message-Id: <20201009195033.3208459-19-ira.weiny@intel.com> List-Id: References: <20201009195033.3208459-1-ira.weiny@intel.com> In-Reply-To: <20201009195033.3208459-1-ira.weiny@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Andrew Morton , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Andy Lutomirski , Peter Zijlstra Cc: linux-aio@kvack.org, linux-efi@vger.kernel.org, kvm@vger.kernel.org, linux-doc@vger.kernel.org, linux-mmc@vger.kernel.org, Dave Hansen , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, target-devel@vger.kernel.org, linux-mtd@lists.infradead.org, linux-kselftest@vger.kernel.org, samba-technical@lists.samba.org, Ira Weiny , ceph-devel@vger.kernel.org, drbd-dev@lists.linbit.com, devel@driverdev.osuosl.org, linux-cifs@vger.kernel.org, linux-nilfs@vger.kernel.org, linux-scsi@vger.kernel.org, linux-nvdimm@lists.01.org, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, linux-afs@lists.infradead.org, cluster-devel@redhat.com, linux-cachefs@redhat.com, intel-wired-lan@lists.osuosl.org, xen-devel@lists.xenproject.org, linux-ext4@vger.kernel.org, Fenghua Yu , linux-um@lists.infradead.org, intel-gfx@lists.freedesktop.org, ecryptfs@vger.kernel.org, linux-erofs@lists.ozlabs.org, reiserfs-devel@vger.kernel.org, linux-block@vger.kernel.org, linux-bcache@vger.kernel.org, Dan Williams , io-uring@vger.kernel.org, linux-nfs@vger.kernel.org, linux-ntfs-dev@lists.sourceforge.net, netdev@vger.kernel.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, bpf@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-btrfs@vger.kernel.org From: Ira Weiny The kmap() calls in this FS are localized to a single thread. To avoid the over head of global PKRS updates use the new kmap_thread() call. Signed-off-by: Ira Weiny --- fs/hfs/bnode.c | 14 +++++++------- fs/hfs/btree.c | 20 ++++++++++---------- 2 files changed, 17 insertions(+), 17 deletions(-) diff --git a/fs/hfs/bnode.c b/fs/hfs/bnode.c index b63a4df7327b..8b4d02576405 100644 --- a/fs/hfs/bnode.c +++ b/fs/hfs/bnode.c @@ -23,8 +23,8 @@ void hfs_bnode_read(struct hfs_bnode *node, void *buf, off += node->page_offset; page = node->page[0]; - memcpy(buf, kmap(page) + off, len); - kunmap(page); + memcpy(buf, kmap_thread(page) + off, len); + kunmap_thread(page); } u16 hfs_bnode_read_u16(struct hfs_bnode *node, int off) @@ -108,9 +108,9 @@ void hfs_bnode_copy(struct hfs_bnode *dst_node, int dst, src_page = src_node->page[0]; dst_page = dst_node->page[0]; - memcpy(kmap(dst_page) + dst, kmap(src_page) + src, len); - kunmap(src_page); - kunmap(dst_page); + memcpy(kmap_thread(dst_page) + dst, kmap_thread(src_page) + src, len); + kunmap_thread(src_page); + kunmap_thread(dst_page); set_page_dirty(dst_page); } @@ -125,9 +125,9 @@ void hfs_bnode_move(struct hfs_bnode *node, int dst, int src, int len) src += node->page_offset; dst += node->page_offset; page = node->page[0]; - ptr = kmap(page); + ptr = kmap_thread(page); memmove(ptr + dst, ptr + src, len); - kunmap(page); + kunmap_thread(page); set_page_dirty(page); } diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c index 19017d296173..bd4a6d35e361 100644 --- a/fs/hfs/btree.c +++ b/fs/hfs/btree.c @@ -80,7 +80,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke goto free_inode; /* Load the header */ - head = (struct hfs_btree_header_rec *)(kmap(page) + sizeof(struct hfs_bnode_desc)); + head = (struct hfs_btree_header_rec *)(kmap_thread(page) + sizeof(struct hfs_bnode_desc)); tree->root = be32_to_cpu(head->root); tree->leaf_count = be32_to_cpu(head->leaf_count); tree->leaf_head = be32_to_cpu(head->leaf_head); @@ -119,7 +119,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke tree->node_size_shift = ffs(size) - 1; tree->pages_per_bnode = (tree->node_size + PAGE_SIZE - 1) >> PAGE_SHIFT; - kunmap(page); + kunmap_thread(page); put_page(page); return tree; @@ -268,7 +268,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) off += node->page_offset; pagep = node->page + (off >> PAGE_SHIFT); - data = kmap(*pagep); + data = kmap_thread(*pagep); off &= ~PAGE_MASK; idx = 0; @@ -281,7 +281,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) idx += i; data[off] |= m; set_page_dirty(*pagep); - kunmap(*pagep); + kunmap_thread(*pagep); tree->free_nodes--; mark_inode_dirty(tree->inode); hfs_bnode_put(node); @@ -290,14 +290,14 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) } } if (++off >= PAGE_SIZE) { - kunmap(*pagep); - data = kmap(*++pagep); + kunmap_thread(*pagep); + data = kmap_thread(*++pagep); off = 0; } idx += 8; len--; } - kunmap(*pagep); + kunmap_thread(*pagep); nidx = node->next; if (!nidx) { printk(KERN_DEBUG "create new bmap node...\n"); @@ -313,7 +313,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) off = off16; off += node->page_offset; pagep = node->page + (off >> PAGE_SHIFT); - data = kmap(*pagep); + data = kmap_thread(*pagep); off &= ~PAGE_MASK; } } @@ -360,7 +360,7 @@ void hfs_bmap_free(struct hfs_bnode *node) } off += node->page_offset + nidx / 8; page = node->page[off >> PAGE_SHIFT]; - data = kmap(page); + data = kmap_thread(page); off &= ~PAGE_MASK; m = 1 << (~nidx & 7); byte = data[off]; @@ -373,7 +373,7 @@ void hfs_bmap_free(struct hfs_bnode *node) } data[off] = byte & ~m; set_page_dirty(page); - kunmap(page); + kunmap_thread(page); hfs_bnode_put(node); tree->free_nodes++; mark_inode_dirty(tree->inode); -- 2.28.0.rc0.12.gb6a658bd00c9 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1426CC83B8C for ; 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a="165642972" X-IronPort-AV: E=Sophos;i="5.77,355,1596524400"; d="scan'208";a="165642972" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2020 12:51:51 -0700 IronPort-SDR: OASmflq+Rx+yTtbdwfMJ0o3fYX/22afbp7t4aASuh19KdC4DJdh+fKQIdVVFr7y3ZwUlZzPFTz pRsXSfU26jow== X-IronPort-AV: E=Sophos;i="5.77,355,1596524400"; d="scan'208";a="529053257" Received: from iweiny-desk2.sc.intel.com (HELO localhost) ([10.3.52.147]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2020 12:51:50 -0700 From: ira.weiny@intel.com To: Andrew Morton , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Andy Lutomirski , Peter Zijlstra Subject: [PATCH RFC PKS/PMEM 18/58] fs/hfs: Utilize new kmap_thread() Date: Fri, 9 Oct 2020 12:49:53 -0700 Message-Id: <20201009195033.3208459-19-ira.weiny@intel.com> X-Mailer: git-send-email 2.28.0.rc0.12.gb6a658bd00c9 In-Reply-To: <20201009195033.3208459-1-ira.weiny@intel.com> References: <20201009195033.3208459-1-ira.weiny@intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-aio@kvack.org, linux-efi@vger.kernel.org, kvm@vger.kernel.org, linux-doc@vger.kernel.org, linux-mmc@vger.kernel.org, Dave Hansen , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, target-devel@vger.kernel.org, linux-mtd@lists.infradead.org, linux-kselftest@vger.kernel.org, samba-technical@lists.samba.org, Ira Weiny , ceph-devel@vger.kernel.org, drbd-dev@lists.linbit.com, devel@driverdev.osuosl.org, linux-cifs@vger.kernel.org, linux-nilfs@vger.kernel.org, linux-scsi@vger.kernel.org, linux-nvdimm@lists.01.org, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, linux-afs@lists.infradead.org, cluster-devel@redhat.com, linux-cachefs@redhat.com, intel-wired-lan@lists.osuosl.org, xen-devel@lists.xenproject.org, linux-ext4@vger.kernel.org, Fenghua Yu , linux-um@lists.infradead.org, intel-gfx@lists.freedesktop.org, ecryptfs@vger.kernel.org, linux-erofs@lists.ozlabs.org, reiserfs-devel@vger.kernel.org, linux-block@vger.kernel.org, linux-bcache@vger.kernel.org, Dan Williams , io-uring@vger.kernel.org, linux-nfs@vger.kernel.org, linux-ntfs-dev@lists.sourceforge.net, netdev@vger.kernel.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, bpf@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-btrfs@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Ira Weiny The kmap() calls in this FS are localized to a single thread. To avoid the over head of global PKRS updates use the new kmap_thread() call. Signed-off-by: Ira Weiny --- fs/hfs/bnode.c | 14 +++++++------- fs/hfs/btree.c | 20 ++++++++++---------- 2 files changed, 17 insertions(+), 17 deletions(-) diff --git a/fs/hfs/bnode.c b/fs/hfs/bnode.c index b63a4df7327b..8b4d02576405 100644 --- a/fs/hfs/bnode.c +++ b/fs/hfs/bnode.c @@ -23,8 +23,8 @@ void hfs_bnode_read(struct hfs_bnode *node, void *buf, off += node->page_offset; page = node->page[0]; - memcpy(buf, kmap(page) + off, len); - kunmap(page); + memcpy(buf, kmap_thread(page) + off, len); + kunmap_thread(page); } u16 hfs_bnode_read_u16(struct hfs_bnode *node, int off) @@ -108,9 +108,9 @@ void hfs_bnode_copy(struct hfs_bnode *dst_node, int dst, src_page = src_node->page[0]; dst_page = dst_node->page[0]; - memcpy(kmap(dst_page) + dst, kmap(src_page) + src, len); - kunmap(src_page); - kunmap(dst_page); + memcpy(kmap_thread(dst_page) + dst, kmap_thread(src_page) + src, len); + kunmap_thread(src_page); + kunmap_thread(dst_page); set_page_dirty(dst_page); } @@ -125,9 +125,9 @@ void hfs_bnode_move(struct hfs_bnode *node, int dst, int src, int len) src += node->page_offset; dst += node->page_offset; page = node->page[0]; - ptr = kmap(page); + ptr = kmap_thread(page); memmove(ptr + dst, ptr + src, len); - kunmap(page); + kunmap_thread(page); set_page_dirty(page); } diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c index 19017d296173..bd4a6d35e361 100644 --- a/fs/hfs/btree.c +++ b/fs/hfs/btree.c @@ -80,7 +80,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke goto free_inode; /* Load the header */ - head = (struct hfs_btree_header_rec *)(kmap(page) + sizeof(struct hfs_bnode_desc)); + head = (struct hfs_btree_header_rec *)(kmap_thread(page) + sizeof(struct hfs_bnode_desc)); tree->root = be32_to_cpu(head->root); tree->leaf_count = be32_to_cpu(head->leaf_count); tree->leaf_head = be32_to_cpu(head->leaf_head); @@ -119,7 +119,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke tree->node_size_shift = ffs(size) - 1; tree->pages_per_bnode = (tree->node_size + PAGE_SIZE - 1) >> PAGE_SHIFT; - kunmap(page); + kunmap_thread(page); put_page(page); return tree; @@ -268,7 +268,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) off += node->page_offset; pagep = node->page + (off >> PAGE_SHIFT); - data = kmap(*pagep); + data = kmap_thread(*pagep); off &= ~PAGE_MASK; idx = 0; @@ -281,7 +281,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) idx += i; data[off] |= m; set_page_dirty(*pagep); - kunmap(*pagep); + kunmap_thread(*pagep); tree->free_nodes--; mark_inode_dirty(tree->inode); hfs_bnode_put(node); @@ -290,14 +290,14 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) } } if (++off >= PAGE_SIZE) { - kunmap(*pagep); - data = kmap(*++pagep); + kunmap_thread(*pagep); + data = kmap_thread(*++pagep); off = 0; } idx += 8; len--; } - kunmap(*pagep); + kunmap_thread(*pagep); nidx = node->next; if (!nidx) { printk(KERN_DEBUG "create new bmap node...\n"); @@ -313,7 +313,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) off = off16; off += node->page_offset; pagep = node->page + (off >> PAGE_SHIFT); - data = kmap(*pagep); + data = kmap_thread(*pagep); off &= ~PAGE_MASK; } } @@ -360,7 +360,7 @@ void hfs_bmap_free(struct hfs_bnode *node) } off += node->page_offset + nidx / 8; page = node->page[off >> PAGE_SHIFT]; - data = kmap(page); + data = kmap_thread(page); off &= ~PAGE_MASK; m = 1 << (~nidx & 7); byte = data[off]; @@ -373,7 +373,7 @@ void hfs_bmap_free(struct hfs_bnode *node) } data[off] = byte & ~m; set_page_dirty(page); - kunmap(page); + kunmap_thread(page); hfs_bnode_put(node); tree->free_nodes++; mark_inode_dirty(tree->inode); -- 2.28.0.rc0.12.gb6a658bd00c9 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel