From patchwork Wed May 3 14:20:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Layton X-Patchwork-Id: 13230213 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 D33AEC7EE23 for ; Wed, 3 May 2023 14:20:48 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 6FDAD6B007D; Wed, 3 May 2023 10:20:48 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 6AE406B007E; Wed, 3 May 2023 10:20:48 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 575B76B0080; Wed, 3 May 2023 10:20:48 -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 3E24A6B007D for ; Wed, 3 May 2023 10:20:48 -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 0B14562DDD; Wed, 3 May 2023 14:20:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 639D7C433A1; Wed, 3 May 2023 14:20:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1683123647; bh=woIUOU498nUTE5btDBpQ1yKRVkawRsDiB5Yp3W19NdI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Om8LVt4K3N9F7622+ejSixfyVUyOVVN6dY1egeJahkO7AzyqPpfLj75J1pHWJN8TO uGx0EIW9bi4lqI8I0geWzqdm30RQ4XN3f0DFx1Lyp2EpoV32o9/T9/ndRxDRBgC04x Pn6UVxX5s2T+EcX2TyeEn/TxgZ3z4V9TTHzOc5Ywt09oTCz+6ngFkqLKHF0ynFds9D blpr2OAwWV2CkXyHMAtN6SFCtVezRKhvJFPvncyGcXfFHvxge4l8rjK81QZ4MIuG5Q dyO6Yvyr5VQmzzCvvzMZYKzMenuOib53gQz2A0JUpJBgD2ixGqjrabRFpCDpAhG95U PQAuYPRQ5nD8w== 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 3/6] shmem: convert to multigrain timestamps Date: Wed, 3 May 2023 10:20:34 -0400 Message-Id: <20230503142037.153531-4-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: Signed-off-by: Jeff Layton --- mm/shmem.c | 25 +++++++++++++------------ 1 file changed, 13 insertions(+), 12 deletions(-) diff --git a/mm/shmem.c b/mm/shmem.c index 448f393d8ab2..40c794a7baa8 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -1039,7 +1039,7 @@ static void shmem_undo_range(struct inode *inode, loff_t lstart, loff_t lend, void shmem_truncate_range(struct inode *inode, loff_t lstart, loff_t lend) { shmem_undo_range(inode, lstart, lend, false); - inode->i_ctime = inode->i_mtime = current_time(inode); + inode->i_ctime = inode->i_mtime = current_ctime(inode); inode_inc_iversion(inode); } EXPORT_SYMBOL_GPL(shmem_truncate_range); @@ -1066,6 +1066,7 @@ static int shmem_getattr(struct mnt_idmap *idmap, STATX_ATTR_IMMUTABLE | STATX_ATTR_NODUMP); generic_fillattr(idmap, inode, stat); + generic_fill_multigrain_cmtime(request_mask, inode, stat); if (shmem_is_huge(inode, 0, false, NULL, 0)) stat->blksize = HPAGE_PMD_SIZE; @@ -1136,7 +1137,7 @@ static int shmem_setattr(struct mnt_idmap *idmap, if (attr->ia_valid & ATTR_MODE) error = posix_acl_chmod(idmap, dentry, inode->i_mode); if (!error && update_ctime) { - inode->i_ctime = current_time(inode); + inode->i_ctime = current_ctime(inode); if (update_mtime) inode->i_mtime = inode->i_ctime; inode_inc_iversion(inode); @@ -2361,7 +2362,7 @@ static struct inode *shmem_get_inode(struct mnt_idmap *idmap, struct super_block inode->i_ino = ino; inode_init_owner(idmap, inode, dir, mode); inode->i_blocks = 0; - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); + inode->i_atime = inode->i_mtime = inode->i_ctime = current_ctime(inode); inode->i_generation = get_random_u32(); info = SHMEM_I(inode); memset(info, 0, (char *)inode - (char *)info); @@ -2940,7 +2941,7 @@ shmem_mknod(struct mnt_idmap *idmap, struct inode *dir, error = 0; dir->i_size += BOGO_DIRENT_SIZE; - dir->i_ctime = dir->i_mtime = current_time(dir); + dir->i_ctime = dir->i_mtime = current_ctime(dir); inode_inc_iversion(dir); d_instantiate(dentry, inode); dget(dentry); /* Extra count - pin the dentry in core */ @@ -3016,7 +3017,7 @@ static int shmem_link(struct dentry *old_dentry, struct inode *dir, struct dentr } dir->i_size += BOGO_DIRENT_SIZE; - inode->i_ctime = dir->i_ctime = dir->i_mtime = current_time(inode); + inode->i_ctime = dir->i_ctime = dir->i_mtime = current_ctime(inode); inode_inc_iversion(dir); inc_nlink(inode); ihold(inode); /* New dentry reference */ @@ -3034,7 +3035,7 @@ static int shmem_unlink(struct inode *dir, struct dentry *dentry) shmem_free_inode(inode->i_sb); dir->i_size -= BOGO_DIRENT_SIZE; - inode->i_ctime = dir->i_ctime = dir->i_mtime = current_time(inode); + inode->i_ctime = dir->i_ctime = dir->i_mtime = current_ctime(inode); inode_inc_iversion(dir); drop_nlink(inode); dput(dentry); /* Undo the count from "create" - this does all the work */ @@ -3124,7 +3125,7 @@ static int shmem_rename2(struct mnt_idmap *idmap, new_dir->i_size += BOGO_DIRENT_SIZE; old_dir->i_ctime = old_dir->i_mtime = new_dir->i_ctime = new_dir->i_mtime = - inode->i_ctime = current_time(old_dir); + inode->i_ctime = current_ctime(old_dir); inode_inc_iversion(old_dir); inode_inc_iversion(new_dir); return 0; @@ -3178,7 +3179,7 @@ static int shmem_symlink(struct mnt_idmap *idmap, struct inode *dir, folio_put(folio); } dir->i_size += BOGO_DIRENT_SIZE; - dir->i_ctime = dir->i_mtime = current_time(dir); + dir->i_ctime = dir->i_mtime = current_ctime(dir); inode_inc_iversion(dir); d_instantiate(dentry, inode); dget(dentry); @@ -3250,7 +3251,7 @@ static int shmem_fileattr_set(struct mnt_idmap *idmap, (fa->flags & SHMEM_FL_USER_MODIFIABLE); shmem_set_inode_flags(inode, info->fsflags); - inode->i_ctime = current_time(inode); + inode->i_ctime = current_ctime(inode); inode_inc_iversion(inode); return 0; } @@ -3320,7 +3321,7 @@ static int shmem_xattr_handler_set(const struct xattr_handler *handler, name = xattr_full_name(handler, name); err = simple_xattr_set(&info->xattrs, name, value, size, flags, NULL); if (!err) { - inode->i_ctime = current_time(inode); + inode->i_ctime = current_ctime(inode); inode_inc_iversion(inode); } return err; @@ -4052,9 +4053,9 @@ static struct file_system_type shmem_fs_type = { #endif .kill_sb = kill_litter_super, #ifdef CONFIG_SHMEM - .fs_flags = FS_USERNS_MOUNT | FS_ALLOW_IDMAP, + .fs_flags = FS_USERNS_MOUNT | FS_ALLOW_IDMAP | FS_MULTIGRAIN_TS #else - .fs_flags = FS_USERNS_MOUNT, + .fs_flags = FS_USERNS_MOUNT | FS_MULTIGRAIN_TS, #endif };