[v3,6/6] btrfs: convert to multigrain timestamps

Message ID	20230503142037.153531-7-jlayton@kernel.org (mailing list archive)
State	New, archived
Headers	show Return-Path: <linux-btrfs-owner@vger.kernel.org> From: Jeff Layton <jlayton@kernel.org> To: Alexander Viro <viro@zeniv.linux.org.uk>, Christian Brauner <brauner@kernel.org>, "Darrick J. Wong" <djwong@kernel.org>, Hugh Dickins <hughd@google.com>, Andrew Morton <akpm@linux-foundation.org>, Dave Chinner <david@fromorbit.com>, Chuck Lever <chuck.lever@oracle.com> Cc: Jan Kara <jack@suse.cz>, Amir Goldstein <amir73il@gmail.com>, David Howells <dhowells@redhat.com>, Neil Brown <neilb@suse.de>, Matthew Wilcox <willy@infradead.org>, Andreas Dilger <adilger.kernel@dilger.ca>, Theodore T'so <tytso@mit.edu>, Chris Mason <clm@fb.com>, Josef Bacik <josef@toxicpanda.com>, David Sterba <dsterba@suse.com>, 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 6/6] btrfs: convert to multigrain timestamps Date: Wed, 3 May 2023 10:20:37 -0400 Message-Id: <20230503142037.153531-7-jlayton@kernel.org> In-Reply-To: <20230503142037.153531-1-jlayton@kernel.org> References: <20230503142037.153531-1-jlayton@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	fs: implement multigrain timestamps \| expand [v3,0/6] fs: implement multigrain timestamps [v3,1/6] fs: add infrastructure for multigrain inode i_m/ctime [v3,2/6] overlayfs: allow it handle multigrain timestamps [v3,3/6] shmem: convert to multigrain timestamps [v3,4/6] xfs: convert to multigrain timestamps [v3,5/6] ext4: convert to multigrain timestamps [v3,6/6] btrfs: convert to multigrain timestamps

diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c index 6b457b010cbc..8307fd69da43 100644 --- a/fs/btrfs/delayed-inode.c +++ b/fs/btrfs/delayed-inode.c @@ -1810,7 +1810,7 @@ static void fill_stack_inode_item(struct btrfs_trans_handle *trans, btrfs_set_stack_timespec_sec(&inode_item->ctime, inode->i_ctime.tv_sec); btrfs_set_stack_timespec_nsec(&inode_item->ctime, - inode->i_ctime.tv_nsec); + ctime_nsec_peek(inode)); btrfs_set_stack_timespec_sec(&inode_item->otime, BTRFS_I(inode)->i_otime.tv_sec); diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 5cc5a1faaef5..3344f64f58dc 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1113,7 +1113,7 @@ static void update_time_for_write(struct inode *inode) if (IS_NOCMTIME(inode)) return; - now = current_time(inode); + now = current_ctime(inode); if (!timespec64_equal(&inode->i_mtime, &now)) inode->i_mtime = now; @@ -2473,7 +2473,7 @@ int btrfs_replace_file_extents(struct btrfs_inode *inode, inode_inc_iversion(&inode->vfs_inode); if (!extent_info || extent_info->update_times) { - inode->vfs_inode.i_mtime = current_time(&inode->vfs_inode); + inode->vfs_inode.i_mtime = current_ctime(&inode->vfs_inode); inode->vfs_inode.i_ctime = inode->vfs_inode.i_mtime; } @@ -2716,7 +2716,7 @@ static int btrfs_punch_hole(struct file *file, loff_t offset, loff_t len) ASSERT(trans != NULL); inode_inc_iversion(inode); - inode->i_mtime = current_time(inode); + inode->i_mtime = current_ctime(inode); inode->i_ctime = inode->i_mtime; ret = btrfs_update_inode(trans, root, BTRFS_I(inode)); updated_inode = true; @@ -2734,7 +2734,7 @@ static int btrfs_punch_hole(struct file *file, loff_t offset, loff_t len) * for detecting, at fsync time, if the inode isn't yet in the * log tree or it's there but not up to date. */ - struct timespec64 now = current_time(inode); + struct timespec64 now = current_ctime(inode); inode_inc_iversion(inode); inode->i_mtime = now; @@ -2809,7 +2809,7 @@ static int btrfs_fallocate_update_isize(struct inode *inode, if (IS_ERR(trans)) return PTR_ERR(trans); - inode->i_ctime = current_time(inode); + inode->i_ctime = current_ctime(inode); i_size_write(inode, end); btrfs_inode_safe_disk_i_size_write(BTRFS_I(inode), 0); ret = btrfs_update_inode(trans, root, BTRFS_I(inode)); diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 957e4d76a7b6..889ff97d9595 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -4029,7 +4029,7 @@ static void fill_inode_item(struct btrfs_trans_handle *trans, btrfs_set_token_timespec_sec(&token, &item->ctime, inode->i_ctime.tv_sec); btrfs_set_token_timespec_nsec(&token, &item->ctime, - inode->i_ctime.tv_nsec); + ctime_nsec_peek(inode)); btrfs_set_token_timespec_sec(&token, &item->otime, BTRFS_I(inode)->i_otime.tv_sec); @@ -4227,7 +4227,7 @@ static int __btrfs_unlink_inode(struct btrfs_trans_handle *trans, btrfs_i_size_write(dir, dir->vfs_inode.i_size - name->len * 2); inode_inc_iversion(&inode->vfs_inode); inode_inc_iversion(&dir->vfs_inode); - inode->vfs_inode.i_ctime = current_time(&inode->vfs_inode); + inode->vfs_inode.i_ctime = current_ctime(&inode->vfs_inode); dir->vfs_inode.i_mtime = inode->vfs_inode.i_ctime; dir->vfs_inode.i_ctime = inode->vfs_inode.i_ctime; ret = btrfs_update_inode(trans, root, dir); @@ -4409,7 +4409,7 @@ static int btrfs_unlink_subvol(struct btrfs_trans_handle *trans, btrfs_i_size_write(dir, dir->vfs_inode.i_size - fname.disk_name.len * 2); inode_inc_iversion(&dir->vfs_inode); - dir->vfs_inode.i_mtime = current_time(&dir->vfs_inode); + dir->vfs_inode.i_mtime = current_ctime(&dir->vfs_inode); dir->vfs_inode.i_ctime = dir->vfs_inode.i_mtime; ret = btrfs_update_inode_fallback(trans, root, dir); if (ret) @@ -5052,7 +5052,7 @@ static int btrfs_setsize(struct inode *inode, struct iattr *attr) if (newsize != oldsize) { inode_inc_iversion(inode); if (!(mask & (ATTR_CTIME | ATTR_MTIME))) { - inode->i_mtime = current_time(inode); + inode->i_mtime = current_ctime(inode); inode->i_ctime = inode->i_mtime; } } @@ -5693,7 +5693,7 @@ static struct inode *new_simple_dir(struct super_block *s, inode->i_opflags &= ~IOP_XATTR; inode->i_fop = &simple_dir_operations; inode->i_mode = S_IFDIR | S_IRUGO | S_IWUSR | S_IXUGO; - inode->i_mtime = current_time(inode); + inode->i_mtime = current_ctime(inode); inode->i_atime = inode->i_mtime; inode->i_ctime = inode->i_mtime; BTRFS_I(inode)->i_otime = inode->i_mtime; @@ -6335,7 +6335,7 @@ int btrfs_create_new_inode(struct btrfs_trans_handle *trans, goto discard; } - inode->i_mtime = current_time(inode); + inode->i_mtime = current_ctime(inode); inode->i_atime = inode->i_mtime; inode->i_ctime = inode->i_mtime; BTRFS_I(inode)->i_otime = inode->i_mtime; @@ -6503,7 +6503,7 @@ int btrfs_add_link(struct btrfs_trans_handle *trans, * values (the ones it had when the fsync was done). */ if (!test_bit(BTRFS_FS_LOG_RECOVERING, &root->fs_info->flags)) { - struct timespec64 now = current_time(&parent_inode->vfs_inode); + struct timespec64 now = current_ctime(&parent_inode->vfs_inode); parent_inode->vfs_inode.i_mtime = now; parent_inode->vfs_inode.i_ctime = now; @@ -6647,7 +6647,7 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir, BTRFS_I(inode)->dir_index = 0ULL; inc_nlink(inode); inode_inc_iversion(inode); - inode->i_ctime = current_time(inode); + inode->i_ctime = current_ctime(inode); ihold(inode); set_bit(BTRFS_INODE_COPY_EVERYTHING, &BTRFS_I(inode)->runtime_flags); @@ -8659,6 +8659,7 @@ static int btrfs_getattr(struct mnt_idmap *idmap, STATX_ATTR_NODUMP); generic_fillattr(idmap, inode, stat); + generic_fill_multigrain_cmtime(request_mask, inode, stat); stat->dev = BTRFS_I(inode)->root->anon_dev; spin_lock(&BTRFS_I(inode)->lock); @@ -8682,7 +8683,7 @@ static int btrfs_rename_exchange(struct inode *old_dir, struct btrfs_root *dest = BTRFS_I(new_dir)->root; struct inode *new_inode = new_dentry->d_inode; struct inode *old_inode = old_dentry->d_inode; - struct timespec64 ctime = current_time(old_inode); + struct timespec64 ctime = current_ctime(old_inode); struct btrfs_rename_ctx old_rename_ctx; struct btrfs_rename_ctx new_rename_ctx; u64 old_ino = btrfs_ino(BTRFS_I(old_inode)); @@ -9082,7 +9083,7 @@ static int btrfs_rename(struct mnt_idmap *idmap, inode_inc_iversion(old_dir); inode_inc_iversion(new_dir); inode_inc_iversion(old_inode); - old_dir->i_mtime = current_time(old_dir); + old_dir->i_mtime = current_ctime(old_dir); old_dir->i_ctime = old_dir->i_mtime; new_dir->i_mtime = old_dir->i_mtime; new_dir->i_ctime = old_dir->i_mtime; @@ -9108,7 +9109,7 @@ static int btrfs_rename(struct mnt_idmap *idmap, if (new_inode) { inode_inc_iversion(new_inode); - new_inode->i_ctime = current_time(new_inode); + new_inode->i_ctime = current_ctime(new_inode); if (unlikely(btrfs_ino(BTRFS_I(new_inode)) == BTRFS_EMPTY_SUBVOL_DIR_OBJECTID)) { ret = btrfs_unlink_subvol(trans, BTRFS_I(new_dir), new_dentry); @@ -9648,7 +9649,7 @@ static int __btrfs_prealloc_file_range(struct inode *inode, int mode, *alloc_hint = ins.objectid + ins.offset; inode_inc_iversion(inode); - inode->i_ctime = current_time(inode); + inode->i_ctime = current_ctime(inode); BTRFS_I(inode)->flags |= BTRFS_INODE_PREALLOC; if (!(mode & FALLOC_FL_KEEP_SIZE) && (actual_len > inode->i_size) && diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index ba769a1eb87a..4b862d777fa7 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -384,7 +384,7 @@ int btrfs_fileattr_set(struct mnt_idmap *idmap, binode->flags = binode_flags; btrfs_sync_inode_flags_to_i_flags(inode); inode_inc_iversion(inode); - inode->i_ctime = current_time(inode); + inode->i_ctime = current_ctime(inode); ret = btrfs_update_inode(trans, root, BTRFS_I(inode)); out_end_trans: @@ -591,7 +591,7 @@ static noinline int create_subvol(struct mnt_idmap *idmap, struct btrfs_root *root = BTRFS_I(dir)->root; struct btrfs_root *new_root; struct btrfs_block_rsv block_rsv; - struct timespec64 cur_time = current_time(dir); + struct timespec64 cur_time = current_ctime(dir); struct btrfs_new_inode_args new_inode_args = { .dir = dir, .dentry = dentry, @@ -3918,7 +3918,7 @@ static long _btrfs_ioctl_set_received_subvol(struct file *file, struct btrfs_root *root = BTRFS_I(inode)->root; struct btrfs_root_item *root_item = &root->root_item; struct btrfs_trans_handle *trans; - struct timespec64 ct = current_time(inode); + struct timespec64 ct = current_ctime(inode); int ret = 0; int received_uuid_changed; diff --git a/fs/btrfs/reflink.c b/fs/btrfs/reflink.c index 0474bbe39da7..59d3ce505098 100644 --- a/fs/btrfs/reflink.c +++ b/fs/btrfs/reflink.c @@ -30,7 +30,7 @@ static int clone_finish_inode_update(struct btrfs_trans_handle *trans, inode_inc_iversion(inode); if (!no_time_update) { - inode->i_mtime = current_time(inode); + inode->i_mtime = current_ctime(inode); inode->i_ctime = inode->i_mtime; } /* diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 366fb4cde145..dc8dddbc12b9 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -2139,7 +2139,7 @@ static struct file_system_type btrfs_fs_type = { .name = "btrfs", .mount = btrfs_mount, .kill_sb = btrfs_kill_super, - .fs_flags = FS_REQUIRES_DEV | FS_BINARY_MOUNTDATA, + .fs_flags = FS_REQUIRES_DEV | FS_BINARY_MOUNTDATA | FS_MULTIGRAIN_TS, }; static struct file_system_type btrfs_root_fs_type = { @@ -2147,7 +2147,8 @@ static struct file_system_type btrfs_root_fs_type = { .name = "btrfs", .mount = btrfs_mount_root, .kill_sb = btrfs_kill_super, - .fs_flags = FS_REQUIRES_DEV | FS_BINARY_MOUNTDATA | FS_ALLOW_IDMAP, + .fs_flags = FS_REQUIRES_DEV | FS_BINARY_MOUNTDATA | + FS_ALLOW_IDMAP | FS_MULTIGRAIN_TS, }; MODULE_ALIAS_FS("btrfs"); diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index b8d5b1fa9a03..277aedfce808 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -1838,7 +1838,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans, btrfs_i_size_write(BTRFS_I(parent_inode), parent_inode->i_size + fname.disk_name.len * 2); - parent_inode->i_mtime = current_time(parent_inode); + parent_inode->i_mtime = current_ctime(parent_inode); parent_inode->i_ctime = parent_inode->i_mtime; ret = btrfs_update_inode_fallback(trans, parent_root, BTRFS_I(parent_inode)); if (ret) { diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 200cea6e49e5..1e0e25dafa47 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -4177,7 +4177,7 @@ static void fill_inode_item(struct btrfs_trans_handle *trans, btrfs_set_token_timespec_sec(&token, &item->ctime, inode->i_ctime.tv_sec); btrfs_set_token_timespec_nsec(&token, &item->ctime, - inode->i_ctime.tv_nsec); + ctime_nsec_peek(inode)); /* * We do not need to set the nbytes field, in fact during a fast fsync diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index c6d592870400..d89f1afde366 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -1917,7 +1917,7 @@ static void update_dev_time(const char *device_path) if (ret) return; - now = current_time(d_inode(path.dentry)); + now = current_ctime(d_inode(path.dentry)); inode_update_time(d_inode(path.dentry), &now, S_MTIME | S_CTIME); path_put(&path); } diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c index 0ebeaf4e81f9..30a37333e92a 100644 --- a/fs/btrfs/xattr.c +++ b/fs/btrfs/xattr.c @@ -264,7 +264,7 @@ int btrfs_setxattr_trans(struct inode *inode, const char *name, goto out; inode_inc_iversion(inode); - inode->i_ctime = current_time(inode); + inode->i_ctime = current_ctime(inode); ret = btrfs_update_inode(trans, root, BTRFS_I(inode)); if (ret) btrfs_abort_transaction(trans, ret); @@ -407,7 +407,7 @@ static int btrfs_xattr_handler_set_prop(const struct xattr_handler *handler, ret = btrfs_set_prop(trans, inode, name, value, size, flags); if (!ret) { inode_inc_iversion(inode); - inode->i_ctime = current_time(inode); + inode->i_ctime = current_ctime(inode); ret = btrfs_update_inode(trans, root, BTRFS_I(inode)); if (ret) btrfs_abort_transaction(trans, ret);

[v3,6/6] btrfs: convert to multigrain timestamps

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