From patchwork Wed May 3 14:20:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Layton X-Patchwork-Id: 13230214 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 383A3C77B7F for ; Wed, 3 May 2023 14:20:51 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id BDFB76B007E; Wed, 3 May 2023 10:20:50 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id B8FB06B0080; Wed, 3 May 2023 10:20:50 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A30836B0081; Wed, 3 May 2023 10:20:50 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by kanga.kvack.org (Postfix) with ESMTP id 8AA176B007E for ; Wed, 3 May 2023 10:20:50 -0400 (EDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 56B0462DE4; Wed, 3 May 2023 14:20:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B0121C4339E; Wed, 3 May 2023 14:20:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1683123649; bh=C94uikGnRmREVRqdFg93IJBOCnOyg04cXTwa8d6XodU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OGf/0QEqpDQZXTu068wUFLNOWy8Vw2aFrmUS39Sk+aS9M1h+fmSuhqkfeMURIG4yw g79R4PVRxITnfMa/zkhMXp5ythzx5gBA/0BRSYUuClaLmAm9cN/nKGhQPaplj7KnFg LElnkLRm8+5f/u3dVMWvAcFq72UEYQVA1BZ3YsimYJO2tL/8qfIQa9hK0wiS+kZ7df ikAJp72Luz2gcgOD8gw24cGJOOTD1aRbEdaql7/ErG9Fatd7zZUh9nOyzfMK5iFRGg ntUj12LtHZr0E2DPSc6+h0GwppCRxw1uvtT0XbIlmNKQI7e+BfWMh7ijWOXWFvfB4d 970UyWItdJc/w== From: Jeff Layton To: Alexander Viro , Christian Brauner , "Darrick J. Wong" , Hugh Dickins , Andrew Morton , Dave Chinner , Chuck Lever Cc: Jan Kara , Amir Goldstein , David Howells , Neil Brown , Matthew Wilcox , Andreas Dilger , Theodore T'so , Chris Mason , Josef Bacik , David Sterba , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-mm@kvack.org, linux-nfs@vger.kernel.org Subject: [PATCH v3 4/6] xfs: convert to multigrain timestamps Date: Wed, 3 May 2023 10:20:35 -0400 Message-Id: <20230503142037.153531-5-jlayton@kernel.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230503142037.153531-1-jlayton@kernel.org> References: <20230503142037.153531-1-jlayton@kernel.org> MIME-Version: 1.0 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: With this change, also have XFS stop reporting a STATX_CHANGE_COOKIE, so that nfsd will use the ctime instead. Signed-off-by: Jeff Layton --- fs/xfs/libxfs/xfs_inode_buf.c | 2 +- fs/xfs/libxfs/xfs_trans_inode.c | 2 +- fs/xfs/xfs_acl.c | 2 +- fs/xfs/xfs_bmap_util.c | 2 +- fs/xfs/xfs_inode.c | 2 +- fs/xfs/xfs_inode_item.c | 2 +- fs/xfs/xfs_iops.c | 15 ++++++++++++--- fs/xfs/xfs_super.c | 2 +- 8 files changed, 19 insertions(+), 10 deletions(-) diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c index 758aacd8166b..c29e961fac34 100644 --- a/fs/xfs/libxfs/xfs_inode_buf.c +++ b/fs/xfs/libxfs/xfs_inode_buf.c @@ -316,7 +316,7 @@ xfs_inode_to_disk( to->di_atime = xfs_inode_to_disk_ts(ip, inode->i_atime); to->di_mtime = xfs_inode_to_disk_ts(ip, inode->i_mtime); - to->di_ctime = xfs_inode_to_disk_ts(ip, inode->i_ctime); + to->di_ctime = xfs_inode_to_disk_ts(ip, ctime_peek(inode)); to->di_nlink = cpu_to_be32(inode->i_nlink); to->di_gen = cpu_to_be32(inode->i_generation); to->di_mode = cpu_to_be16(inode->i_mode); diff --git a/fs/xfs/libxfs/xfs_trans_inode.c b/fs/xfs/libxfs/xfs_trans_inode.c index 8b5547073379..c08be3aa3339 100644 --- a/fs/xfs/libxfs/xfs_trans_inode.c +++ b/fs/xfs/libxfs/xfs_trans_inode.c @@ -63,7 +63,7 @@ xfs_trans_ichgtime( ASSERT(tp); ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); - tv = current_time(inode); + tv = current_ctime(inode); if (flags & XFS_ICHGTIME_MOD) inode->i_mtime = tv; diff --git a/fs/xfs/xfs_acl.c b/fs/xfs/xfs_acl.c index 791db7d9c849..85353e6e9004 100644 --- a/fs/xfs/xfs_acl.c +++ b/fs/xfs/xfs_acl.c @@ -233,7 +233,7 @@ xfs_acl_set_mode( xfs_ilock(ip, XFS_ILOCK_EXCL); xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); inode->i_mode = mode; - inode->i_ctime = current_time(inode); + inode->i_ctime = current_ctime(inode); xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); if (xfs_has_wsync(mp)) diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index a09dd2606479..e9cb1bfb9574 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -1757,7 +1757,7 @@ xfs_swap_extents( * under it. */ if ((sbp->bs_ctime.tv_sec != VFS_I(ip)->i_ctime.tv_sec) || - (sbp->bs_ctime.tv_nsec != VFS_I(ip)->i_ctime.tv_nsec) || + (sbp->bs_ctime.tv_nsec != ctime_nsec_peek(VFS_I(ip))) || (sbp->bs_mtime.tv_sec != VFS_I(ip)->i_mtime.tv_sec) || (sbp->bs_mtime.tv_nsec != VFS_I(ip)->i_mtime.tv_nsec)) { error = -EBUSY; diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 5808abab786c..ac299c1a9838 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -843,7 +843,7 @@ xfs_init_new_inode( ip->i_df.if_nextents = 0; ASSERT(ip->i_nblocks == 0); - tv = current_time(inode); + tv = current_ctime(inode); inode->i_mtime = tv; inode->i_atime = tv; inode->i_ctime = tv; diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c index ca2941ab6cbc..018f187387f0 100644 --- a/fs/xfs/xfs_inode_item.c +++ b/fs/xfs/xfs_inode_item.c @@ -381,7 +381,7 @@ xfs_inode_to_log_dinode( memset(to->di_pad3, 0, sizeof(to->di_pad3)); to->di_atime = xfs_inode_to_log_dinode_ts(ip, inode->i_atime); to->di_mtime = xfs_inode_to_log_dinode_ts(ip, inode->i_mtime); - to->di_ctime = xfs_inode_to_log_dinode_ts(ip, inode->i_ctime); + to->di_ctime = xfs_inode_to_log_dinode_ts(ip, ctime_peek(inode)); to->di_nlink = inode->i_nlink; to->di_gen = inode->i_generation; to->di_mode = inode->i_mode; diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index 24718adb3c16..f41155cfbbe2 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -573,8 +573,17 @@ xfs_vn_getattr( stat->gid = vfsgid_into_kgid(vfsgid); stat->ino = ip->i_ino; stat->atime = inode->i_atime; - stat->mtime = inode->i_mtime; - stat->ctime = inode->i_ctime; + generic_fill_multigrain_cmtime(request_mask, inode, stat); + + /* + * XFS's i_version counter doesn't conform to the rules that other + * filesystems live by. In particular, it changes the version on atime + * updates which leads to excess cache invalidations on NFS. Just clear + * the STATX_CHANGE_COOKIE flag so that nfsd (and others) use the + * (multigrain) ctime instead. + */ + stat->result_mask &= ~STATX_CHANGE_COOKIE; + stat->blocks = XFS_FSB_TO_BB(mp, ip->i_nblocks + ip->i_delayed_blks); if (xfs_has_v3inodes(mp)) { @@ -917,7 +926,7 @@ xfs_setattr_size( if (newsize != oldsize && !(iattr->ia_valid & (ATTR_CTIME | ATTR_MTIME))) { iattr->ia_ctime = iattr->ia_mtime = - current_time(inode); + current_ctime(inode); iattr->ia_valid |= ATTR_CTIME | ATTR_MTIME; } diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 4f814f9e12ab..db3943d09532 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -1976,7 +1976,7 @@ static struct file_system_type xfs_fs_type = { .init_fs_context = xfs_init_fs_context, .parameters = xfs_fs_parameters, .kill_sb = kill_block_super, - .fs_flags = FS_REQUIRES_DEV | FS_ALLOW_IDMAP, + .fs_flags = FS_REQUIRES_DEV | FS_ALLOW_IDMAP | FS_MULTIGRAIN_TS, }; MODULE_ALIAS_FS("xfs");