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Message-ID: <de72aecf-f03b-35d1-0ee8-facee0af38a1@oracle.com>
Date: Wed, 21 Jun 2023 12:47:30 -0500
From: Dave Kleikamp <dave.kleikamp@...cle.com>
To: Jeff Layton <jlayton@...nel.org>,
Christian Brauner <brauner@...nel.org>
Cc: Al Viro <viro@...iv.linux.org.uk>, Jan Kara <jack@...e.cz>,
jfs-discussion@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 42/79] jfs: switch to new ctime accessors
On 6/21/23 9:45AM, Jeff Layton wrote:
> In later patches, we're going to change how the ctime.tv_nsec field is
> utilized. Switch to using accessor functions instead of raw accesses of
> inode->i_ctime.
Looks good to me.
>
> Signed-off-by: Jeff Layton <jlayton@...nel.org>
Acked-by: Dave Kleikamp <dave.kleikamp@...cle.com>
> ---
> fs/jfs/acl.c | 2 +-
> fs/jfs/inode.c | 2 +-
> fs/jfs/ioctl.c | 2 +-
> fs/jfs/jfs_imap.c | 8 ++++----
> fs/jfs/jfs_inode.c | 4 ++--
> fs/jfs/namei.c | 25 +++++++++++++------------
> fs/jfs/super.c | 2 +-
> fs/jfs/xattr.c | 2 +-
> 8 files changed, 24 insertions(+), 23 deletions(-)
>
> diff --git a/fs/jfs/acl.c b/fs/jfs/acl.c
> index fb96f872d207..3cd6eb00d881 100644
> --- a/fs/jfs/acl.c
> +++ b/fs/jfs/acl.c
> @@ -116,7 +116,7 @@ int jfs_set_acl(struct mnt_idmap *idmap, struct dentry *dentry,
> if (!rc) {
> if (update_mode) {
> inode->i_mode = mode;
> - inode->i_ctime = current_time(inode);
> + inode_ctime_set_current(inode);
> mark_inode_dirty(inode);
> }
> rc = txCommit(tid, 1, &inode, 0);
> diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c
> index 8ac10e396050..d9f708fc6439 100644
> --- a/fs/jfs/inode.c
> +++ b/fs/jfs/inode.c
> @@ -393,7 +393,7 @@ void jfs_truncate_nolock(struct inode *ip, loff_t length)
> break;
> }
>
> - ip->i_mtime = ip->i_ctime = current_time(ip);
> + ip->i_mtime = inode_ctime_set_current(ip);
> mark_inode_dirty(ip);
>
> txCommit(tid, 1, &ip, 0);
> diff --git a/fs/jfs/ioctl.c b/fs/jfs/ioctl.c
> index ed7989bc2db1..db22929938a2 100644
> --- a/fs/jfs/ioctl.c
> +++ b/fs/jfs/ioctl.c
> @@ -96,7 +96,7 @@ int jfs_fileattr_set(struct mnt_idmap *idmap,
> jfs_inode->mode2 = flags;
>
> jfs_set_inode_flags(inode);
> - inode->i_ctime = current_time(inode);
> + inode_ctime_set_current(inode);
> mark_inode_dirty(inode);
>
> return 0;
> diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c
> index 390cbfce391f..f32fb967d360 100644
> --- a/fs/jfs/jfs_imap.c
> +++ b/fs/jfs/jfs_imap.c
> @@ -3064,8 +3064,8 @@ static int copy_from_dinode(struct dinode * dip, struct inode *ip)
> ip->i_atime.tv_nsec = le32_to_cpu(dip->di_atime.tv_nsec);
> ip->i_mtime.tv_sec = le32_to_cpu(dip->di_mtime.tv_sec);
> ip->i_mtime.tv_nsec = le32_to_cpu(dip->di_mtime.tv_nsec);
> - ip->i_ctime.tv_sec = le32_to_cpu(dip->di_ctime.tv_sec);
> - ip->i_ctime.tv_nsec = le32_to_cpu(dip->di_ctime.tv_nsec);
> + inode_ctime_set_sec(ip, le32_to_cpu(dip->di_ctime.tv_sec));
> + inode_ctime_set_nsec(ip, le32_to_cpu(dip->di_ctime.tv_nsec));
> ip->i_blocks = LBLK2PBLK(ip->i_sb, le64_to_cpu(dip->di_nblocks));
> ip->i_generation = le32_to_cpu(dip->di_gen);
>
> @@ -3139,8 +3139,8 @@ static void copy_to_dinode(struct dinode * dip, struct inode *ip)
>
> dip->di_atime.tv_sec = cpu_to_le32(ip->i_atime.tv_sec);
> dip->di_atime.tv_nsec = cpu_to_le32(ip->i_atime.tv_nsec);
> - dip->di_ctime.tv_sec = cpu_to_le32(ip->i_ctime.tv_sec);
> - dip->di_ctime.tv_nsec = cpu_to_le32(ip->i_ctime.tv_nsec);
> + dip->di_ctime.tv_sec = cpu_to_le32(inode_ctime_peek(ip).tv_sec);
> + dip->di_ctime.tv_nsec = cpu_to_le32(inode_ctime_peek(ip).tv_nsec);
> dip->di_mtime.tv_sec = cpu_to_le32(ip->i_mtime.tv_sec);
> dip->di_mtime.tv_nsec = cpu_to_le32(ip->i_mtime.tv_nsec);
> dip->di_ixpxd = jfs_ip->ixpxd; /* in-memory pxd's are little-endian */
> diff --git a/fs/jfs/jfs_inode.c b/fs/jfs/jfs_inode.c
> index 9e1f02767201..5bbae1ff5129 100644
> --- a/fs/jfs/jfs_inode.c
> +++ b/fs/jfs/jfs_inode.c
> @@ -97,8 +97,8 @@ struct inode *ialloc(struct inode *parent, umode_t mode)
> jfs_inode->mode2 |= inode->i_mode;
>
> inode->i_blocks = 0;
> - inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
> - jfs_inode->otime = inode->i_ctime.tv_sec;
> + inode->i_mtime = inode->i_atime = inode_ctime_set_current(inode);
> + jfs_inode->otime = inode_ctime_peek(inode).tv_sec;
> inode->i_generation = JFS_SBI(sb)->gengen++;
>
> jfs_inode->cflag = 0;
> diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
> index 494b9f4043cf..405b4790b916 100644
> --- a/fs/jfs/namei.c
> +++ b/fs/jfs/namei.c
> @@ -149,7 +149,7 @@ static int jfs_create(struct mnt_idmap *idmap, struct inode *dip,
>
> mark_inode_dirty(ip);
>
> - dip->i_ctime = dip->i_mtime = current_time(dip);
> + dip->i_mtime = inode_ctime_set_current(dip);
>
> mark_inode_dirty(dip);
>
> @@ -284,7 +284,7 @@ static int jfs_mkdir(struct mnt_idmap *idmap, struct inode *dip,
>
> /* update parent directory inode */
> inc_nlink(dip); /* for '..' from child directory */
> - dip->i_ctime = dip->i_mtime = current_time(dip);
> + dip->i_mtime = inode_ctime_set_current(dip);
> mark_inode_dirty(dip);
>
> rc = txCommit(tid, 2, &iplist[0], 0);
> @@ -390,7 +390,7 @@ static int jfs_rmdir(struct inode *dip, struct dentry *dentry)
> /* update parent directory's link count corresponding
> * to ".." entry of the target directory deleted
> */
> - dip->i_ctime = dip->i_mtime = current_time(dip);
> + dip->i_mtime = inode_ctime_set_current(dip);
> inode_dec_link_count(dip);
>
> /*
> @@ -512,7 +512,8 @@ static int jfs_unlink(struct inode *dip, struct dentry *dentry)
>
> ASSERT(ip->i_nlink);
>
> - ip->i_ctime = dip->i_ctime = dip->i_mtime = current_time(ip);
> + dip->i_mtime = inode_ctime_set_current(ip);
> + inode_ctime_set(dip, dip->i_mtime);
> mark_inode_dirty(dip);
>
> /* update target's inode */
> @@ -822,8 +823,8 @@ static int jfs_link(struct dentry *old_dentry,
>
> /* update object inode */
> inc_nlink(ip); /* for new link */
> - ip->i_ctime = current_time(ip);
> - dir->i_ctime = dir->i_mtime = current_time(dir);
> + inode_ctime_set_current(ip);
> + dir->i_mtime = inode_ctime_set_current(dir);
> mark_inode_dirty(dir);
> ihold(ip);
>
> @@ -1023,7 +1024,7 @@ static int jfs_symlink(struct mnt_idmap *idmap, struct inode *dip,
>
> mark_inode_dirty(ip);
>
> - dip->i_ctime = dip->i_mtime = current_time(dip);
> + dip->i_mtime = inode_ctime_set_current(dip);
> mark_inode_dirty(dip);
> /*
> * commit update of parent directory and link object
> @@ -1200,7 +1201,7 @@ static int jfs_rename(struct mnt_idmap *idmap, struct inode *old_dir,
> tblk->xflag |= COMMIT_DELETE;
> tblk->u.ip = new_ip;
> } else {
> - new_ip->i_ctime = current_time(new_ip);
> + inode_ctime_set_current(new_ip);
> mark_inode_dirty(new_ip);
> }
> } else {
> @@ -1263,10 +1264,10 @@ static int jfs_rename(struct mnt_idmap *idmap, struct inode *old_dir,
> /*
> * Update ctime on changed/moved inodes & mark dirty
> */
> - old_ip->i_ctime = current_time(old_ip);
> + inode_ctime_set_current(old_ip);
> mark_inode_dirty(old_ip);
>
> - new_dir->i_ctime = new_dir->i_mtime = current_time(new_dir);
> + new_dir->i_mtime = inode_ctime_set_current(new_dir);
> mark_inode_dirty(new_dir);
>
> /* Build list of inodes modified by this transaction */
> @@ -1278,7 +1279,7 @@ static int jfs_rename(struct mnt_idmap *idmap, struct inode *old_dir,
>
> if (old_dir != new_dir) {
> iplist[ipcount++] = new_dir;
> - old_dir->i_ctime = old_dir->i_mtime = current_time(old_dir);
> + old_dir->i_mtime = inode_ctime_set_current(old_dir);
> mark_inode_dirty(old_dir);
> }
>
> @@ -1411,7 +1412,7 @@ static int jfs_mknod(struct mnt_idmap *idmap, struct inode *dir,
>
> mark_inode_dirty(ip);
>
> - dir->i_ctime = dir->i_mtime = current_time(dir);
> + dir->i_mtime = inode_ctime_set_current(dir);
>
> mark_inode_dirty(dir);
>
> diff --git a/fs/jfs/super.c b/fs/jfs/super.c
> index d2f82cb7db1b..c810b98254dd 100644
> --- a/fs/jfs/super.c
> +++ b/fs/jfs/super.c
> @@ -818,7 +818,7 @@ static ssize_t jfs_quota_write(struct super_block *sb, int type,
> }
> if (inode->i_size < off+len-towrite)
> i_size_write(inode, off+len-towrite);
> - inode->i_mtime = inode->i_ctime = current_time(inode);
> + inode->i_mtime = inode_ctime_set_current(inode);
> mark_inode_dirty(inode);
> inode_unlock(inode);
> return len - towrite;
> diff --git a/fs/jfs/xattr.c b/fs/jfs/xattr.c
> index 931e50018f88..71f005bbe486 100644
> --- a/fs/jfs/xattr.c
> +++ b/fs/jfs/xattr.c
> @@ -647,7 +647,7 @@ static int ea_put(tid_t tid, struct inode *inode, struct ea_buffer *ea_buf,
> if (old_blocks)
> dquot_free_block(inode, old_blocks);
>
> - inode->i_ctime = current_time(inode);
> + inode_ctime_set_current(inode);
>
> return 0;
> }
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