From patchwork Wed Dec 21 17:03:35 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Layton X-Patchwork-Id: 9483299 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 6A7B66022E for ; Wed, 21 Dec 2016 17:05:09 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 540A4281A7 for ; Wed, 21 Dec 2016 17:05:09 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4942A27F9E; Wed, 21 Dec 2016 17:05:09 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.4 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, SUSPICIOUS_RECIPS autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BF593281A7 for ; Wed, 21 Dec 2016 17:05:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964990AbcLUREU (ORCPT ); Wed, 21 Dec 2016 12:04:20 -0500 Received: from mx1.redhat.com ([209.132.183.28]:46242 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964944AbcLUREQ (ORCPT ); Wed, 21 Dec 2016 12:04:16 -0500 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A9C99824; Wed, 21 Dec 2016 17:04:05 +0000 (UTC) Received: from tleilax.poochiereds.net (ovpn-118-75.rdu2.redhat.com [10.10.118.75]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id uBLH3l5r022318; Wed, 21 Dec 2016 12:04:04 -0500 From: Jeff Layton To: linux-fsdevel@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-xfs@vger.kernel.org Subject: [RFC PATCH v1 18/30] ext4: convert to new i_version API Date: Wed, 21 Dec 2016 12:03:35 -0500 Message-Id: <1482339827-7882-19-git-send-email-jlayton@redhat.com> In-Reply-To: <1482339827-7882-1-git-send-email-jlayton@redhat.com> References: <1482339827-7882-1-git-send-email-jlayton@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Wed, 21 Dec 2016 17:04:05 +0000 (UTC) Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Jeff Layton --- fs/ext4/dir.c | 8 ++++---- fs/ext4/inline.c | 6 +++--- fs/ext4/inode.c | 12 ++++++++---- fs/ext4/ioctl.c | 2 +- fs/ext4/namei.c | 8 ++++---- fs/ext4/super.c | 2 +- 6 files changed, 21 insertions(+), 17 deletions(-) diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c index e8b365000d73..cd84f15d3d41 100644 --- a/fs/ext4/dir.c +++ b/fs/ext4/dir.c @@ -207,7 +207,7 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx) * readdir(2), then we might be pointing to an invalid * dirent right now. Scan from the start of the block * to make sure. */ - if (file->f_version != inode->i_version) { + if (inode_cmp_iversion(inode, file->f_version)) { for (i = 0; i < sb->s_blocksize && i < offset; ) { de = (struct ext4_dir_entry_2 *) (bh->b_data + i); @@ -226,7 +226,7 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx) offset = i; ctx->pos = (ctx->pos & ~(sb->s_blocksize - 1)) | offset; - file->f_version = inode->i_version; + file->f_version = inode_get_iversion(inode); } while (ctx->pos < inode->i_size @@ -567,10 +567,10 @@ static int ext4_dx_readdir(struct file *file, struct dir_context *ctx) * cached entries. */ if ((!info->curr_node) || - (file->f_version != inode->i_version)) { + inode_cmp_iversion(inode, file->f_version)) { info->curr_node = NULL; free_rb_tree_fname(&info->root); - file->f_version = inode->i_version; + file->f_version = inode_get_iversion(inode); ret = ext4_htree_fill_tree(file, info->curr_hash, info->curr_minor_hash, &info->next_hash); diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index 437df6a1a841..6a3d173cb9ec 100644 --- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -1042,7 +1042,7 @@ static int ext4_add_dirent_to_inline(handle_t *handle, */ dir->i_mtime = dir->i_ctime = current_time(dir); ext4_update_dx_flag(dir); - dir->i_version++; + inode_inc_iversion_locked(dir); ext4_mark_inode_dirty(handle, dir); return 1; } @@ -1496,7 +1496,7 @@ int ext4_read_inline_dir(struct file *file, * dirent right now. Scan from the start of the inline * dir to make sure. */ - if (file->f_version != inode->i_version) { + if (inode_cmp_iversion(inode, file->f_version)) { for (i = 0; i < extra_size && i < offset;) { /* * "." is with offset 0 and @@ -1528,7 +1528,7 @@ int ext4_read_inline_dir(struct file *file, } offset = i; ctx->pos = offset; - file->f_version = inode->i_version; + file->f_version = inode_get_iversion(inode); } while (ctx->pos < extra_size) { diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 88d57af1b516..5603e1782c65 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -4709,12 +4709,14 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino) EXT4_EINODE_GET_XTIME(i_crtime, ei, raw_inode); if (likely(!test_opt2(inode->i_sb, HURD_COMPAT))) { - inode->i_version = le32_to_cpu(raw_inode->i_disk_version); + u64 ivers = le32_to_cpu(raw_inode->i_disk_version); + if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE) { if (EXT4_FITS_IN_INODE(raw_inode, ei, i_version_hi)) - inode->i_version |= + ivers |= (__u64)(le32_to_cpu(raw_inode->i_version_hi)) << 32; } + inode_set_iversion_read(inode, ivers); } ret = 0; @@ -5000,11 +5002,13 @@ static int ext4_do_update_inode(handle_t *handle, } if (likely(!test_opt2(inode->i_sb, HURD_COMPAT))) { - raw_inode->i_disk_version = cpu_to_le32(inode->i_version); + u64 ivers = inode_get_iversion_raw(inode); + + raw_inode->i_disk_version = cpu_to_le32(ivers); if (ei->i_extra_isize) { if (EXT4_FITS_IN_INODE(raw_inode, ei, i_version_hi)) raw_inode->i_version_hi = - cpu_to_le32(inode->i_version >> 32); + cpu_to_le32(ivers >> 32); raw_inode->i_extra_isize = cpu_to_le16(ei->i_extra_isize); } diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index fb844da4836f..7e1d56e3def0 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -139,7 +139,7 @@ static long swap_inode_boot_loader(struct super_block *sb, i_gid_write(inode_bl, 0); inode_bl->i_flags = 0; ei_bl->i_flags = 0; - inode_bl->i_version = 1; + inode_set_iversion(inode_bl, 1); i_size_write(inode_bl, 0); inode_bl->i_mode = S_IFREG; if (ext4_has_feature_extents(sb)) { diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index eadba919f26b..a8f812162dd6 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -1943,7 +1943,7 @@ static int add_dirent_to_buf(handle_t *handle, struct ext4_filename *fname, */ dir->i_mtime = dir->i_ctime = current_time(dir); ext4_update_dx_flag(dir); - dir->i_version++; + inode_inc_iversion_locked(dir); ext4_mark_inode_dirty(handle, dir); BUFFER_TRACE(bh, "call ext4_handle_dirty_metadata"); err = ext4_handle_dirty_dirent_node(handle, dir, bh); @@ -2350,7 +2350,7 @@ int ext4_generic_delete_entry(handle_t *handle, blocksize); else de->inode = 0; - dir->i_version++; + inode_inc_iversion_locked(dir); return 0; } i += ext4_rec_len_from_disk(de->rec_len, blocksize); @@ -2980,7 +2980,7 @@ static int ext4_rmdir(struct inode *dir, struct dentry *dentry) "empty directory '%.*s' has too many links (%u)", dentry->d_name.len, dentry->d_name.name, inode->i_nlink); - inode->i_version++; + inode_inc_iversion_locked(inode); clear_nlink(inode); /* There's no need to set i_disksize: the fact that i_nlink is * zero will ensure that the right thing happens during any @@ -3379,7 +3379,7 @@ static int ext4_setent(handle_t *handle, struct ext4_renament *ent, ent->de->inode = cpu_to_le32(ino); if (ext4_has_feature_filetype(ent->dir->i_sb)) ent->de->file_type = file_type; - ent->dir->i_version++; + inode_inc_iversion(ent->dir); ent->dir->i_ctime = ent->dir->i_mtime = current_time(ent->dir); ext4_mark_inode_dirty(handle, ent->dir); diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 63a6b6332682..7938d852733b 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -921,7 +921,7 @@ static struct inode *ext4_alloc_inode(struct super_block *sb) if (!ei) return NULL; - ei->vfs_inode.i_version = 1; + inode_set_iversion(&ei->vfs_inode, 1); spin_lock_init(&ei->i_raw_lock); INIT_LIST_HEAD(&ei->i_prealloc_list); spin_lock_init(&ei->i_prealloc_lock);