On 7/6/23 3:01 AM, Jeff Layton wrote:
> In later patches, we're going to change how the inode's ctime field is
> used. Switch to using accessor functions instead of raw accesses of
> inode->i_ctime.
>
> Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
> ---
> fs/ocfs2/acl.c | 6 +++---
> fs/ocfs2/alloc.c | 6 +++---
> fs/ocfs2/aops.c | 2 +-
> fs/ocfs2/dir.c | 8 ++++----
> fs/ocfs2/dlmfs/dlmfs.c | 4 ++--
> fs/ocfs2/dlmglue.c | 7 +++++--
> fs/ocfs2/file.c | 16 +++++++++-------
> fs/ocfs2/inode.c | 12 ++++++------
> fs/ocfs2/move_extents.c | 6 +++---
> fs/ocfs2/namei.c | 21 +++++++++++----------
> fs/ocfs2/refcounttree.c | 14 +++++++-------
> fs/ocfs2/xattr.c | 6 +++---
> 12 files changed, 57 insertions(+), 51 deletions(-)
>
> diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c
> index 9fd03eaf15f8..e75137a8e7cb 100644
> --- a/fs/ocfs2/acl.c
> +++ b/fs/ocfs2/acl.c
> @@ -191,10 +191,10 @@ static int ocfs2_acl_set_mode(struct inode *inode, struct buffer_head *di_bh,
> }
>
> inode->i_mode = new_mode;
> - inode->i_ctime = current_time(inode);
> + inode_set_ctime_current(inode);
> di->i_mode = cpu_to_le16(inode->i_mode);
> - di->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec);
> - di->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec);
> + di->i_ctime = cpu_to_le64(inode_get_ctime(inode).tv_sec);
> + di->i_ctime_nsec = cpu_to_le32(inode_get_ctime(inode).tv_nsec);
> ocfs2_update_inode_fsync_trans(handle, inode, 0);
>
> ocfs2_journal_dirty(handle, di_bh);
> diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
> index 51c93929a146..aef58f1395c8 100644
> --- a/fs/ocfs2/alloc.c
> +++ b/fs/ocfs2/alloc.c
> @@ -7436,10 +7436,10 @@ int ocfs2_truncate_inline(struct inode *inode, struct buffer_head *di_bh,
> }
>
> inode->i_blocks = ocfs2_inode_sector_count(inode);
> - inode->i_ctime = inode->i_mtime = current_time(inode);
> + inode->i_mtime = inode_set_ctime_current(inode);
>
> - di->i_ctime = di->i_mtime = cpu_to_le64(inode->i_ctime.tv_sec);
> - di->i_ctime_nsec = di->i_mtime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec);
> + di->i_ctime = di->i_mtime = cpu_to_le64(inode_get_ctime(inode).tv_sec);
> + di->i_ctime_nsec = di->i_mtime_nsec = cpu_to_le32(inode_get_ctime(inode).tv_nsec);
>
> ocfs2_update_inode_fsync_trans(handle, inode, 1);
> ocfs2_journal_dirty(handle, di_bh);
> diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
> index 8dfc284e85f0..0fdba30740ab 100644
> --- a/fs/ocfs2/aops.c
> +++ b/fs/ocfs2/aops.c
> @@ -2048,7 +2048,7 @@ int ocfs2_write_end_nolock(struct address_space *mapping,
> }
> inode->i_blocks = ocfs2_inode_sector_count(inode);
> di->i_size = cpu_to_le64((u64)i_size_read(inode));
> - inode->i_mtime = inode->i_ctime = current_time(inode);
> + inode->i_mtime = inode_set_ctime_current(inode);
> di->i_mtime = di->i_ctime = cpu_to_le64(inode->i_mtime.tv_sec);
> di->i_mtime_nsec = di->i_ctime_nsec = cpu_to_le32(inode->i_mtime.tv_nsec);
> if (handle)
> diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
> index 694471fc46b8..8b123d543e6e 100644
> --- a/fs/ocfs2/dir.c
> +++ b/fs/ocfs2/dir.c
> @@ -1658,7 +1658,7 @@ int __ocfs2_add_entry(handle_t *handle,
> offset, ocfs2_dir_trailer_blk_off(dir->i_sb));
>
> if (ocfs2_dirent_would_fit(de, rec_len)) {
> - dir->i_mtime = dir->i_ctime = current_time(dir);
> + dir->i_mtime = inode_set_ctime_current(dir);
> retval = ocfs2_mark_inode_dirty(handle, dir, parent_fe_bh);
> if (retval < 0) {
> mlog_errno(retval);
> @@ -2962,11 +2962,11 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh,
> ocfs2_dinode_new_extent_list(dir, di);
>
> i_size_write(dir, sb->s_blocksize);
> - dir->i_mtime = dir->i_ctime = current_time(dir);
> + dir->i_mtime = inode_set_ctime_current(dir);
>
> di->i_size = cpu_to_le64(sb->s_blocksize);
> - di->i_ctime = di->i_mtime = cpu_to_le64(dir->i_ctime.tv_sec);
> - di->i_ctime_nsec = di->i_mtime_nsec = cpu_to_le32(dir->i_ctime.tv_nsec);
> + di->i_ctime = di->i_mtime = cpu_to_le64(inode_get_ctime(dir).tv_sec);
> + di->i_ctime_nsec = di->i_mtime_nsec = cpu_to_le32(inode_get_ctime(dir).tv_nsec);
> ocfs2_update_inode_fsync_trans(handle, dir, 1);
>
> /*
> diff --git a/fs/ocfs2/dlmfs/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c
> index ba26c5567cff..81265123ce6c 100644
> --- a/fs/ocfs2/dlmfs/dlmfs.c
> +++ b/fs/ocfs2/dlmfs/dlmfs.c
> @@ -337,7 +337,7 @@ static struct inode *dlmfs_get_root_inode(struct super_block *sb)
> if (inode) {
> inode->i_ino = get_next_ino();
> inode_init_owner(&nop_mnt_idmap, inode, NULL, mode);
> - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode);
> + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode);
> inc_nlink(inode);
>
> inode->i_fop = &simple_dir_operations;
> @@ -360,7 +360,7 @@ static struct inode *dlmfs_get_inode(struct inode *parent,
>
> inode->i_ino = get_next_ino();
> inode_init_owner(&nop_mnt_idmap, inode, parent, mode);
> - inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode);
> + inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode);
>
> ip = DLMFS_I(inode);
> ip->ip_conn = DLMFS_I(parent)->ip_conn;
> diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
> index c28bc983a7b1..c3e2961ee5db 100644
> --- a/fs/ocfs2/dlmglue.c
> +++ b/fs/ocfs2/dlmglue.c
> @@ -2162,6 +2162,7 @@ static void __ocfs2_stuff_meta_lvb(struct inode *inode)
> struct ocfs2_inode_info *oi = OCFS2_I(inode);
> struct ocfs2_lock_res *lockres = &oi->ip_inode_lockres;
> struct ocfs2_meta_lvb *lvb;
> + struct timespec64 ctime = inode_get_ctime(inode);
>
> lvb = ocfs2_dlm_lvb(&lockres->l_lksb);
>
> @@ -2185,7 +2186,7 @@ static void __ocfs2_stuff_meta_lvb(struct inode *inode)
> lvb->lvb_iatime_packed =
> cpu_to_be64(ocfs2_pack_timespec(&inode->i_atime));
> lvb->lvb_ictime_packed =
> - cpu_to_be64(ocfs2_pack_timespec(&inode->i_ctime));
> + cpu_to_be64(ocfs2_pack_timespec(&ctime));
> lvb->lvb_imtime_packed =
> cpu_to_be64(ocfs2_pack_timespec(&inode->i_mtime));
> lvb->lvb_iattr = cpu_to_be32(oi->ip_attr);
> @@ -2208,6 +2209,7 @@ static int ocfs2_refresh_inode_from_lvb(struct inode *inode)
> struct ocfs2_inode_info *oi = OCFS2_I(inode);
> struct ocfs2_lock_res *lockres = &oi->ip_inode_lockres;
> struct ocfs2_meta_lvb *lvb;
> + struct timespec64 ctime;
>
> mlog_meta_lvb(0, lockres);
>
> @@ -2238,8 +2240,9 @@ static int ocfs2_refresh_inode_from_lvb(struct inode *inode)
> be64_to_cpu(lvb->lvb_iatime_packed));
> ocfs2_unpack_timespec(&inode->i_mtime,
> be64_to_cpu(lvb->lvb_imtime_packed));
> - ocfs2_unpack_timespec(&inode->i_ctime,
> + ocfs2_unpack_timespec(&ctime,
> be64_to_cpu(lvb->lvb_ictime_packed));
> + inode_set_ctime_to_ts(inode, ctime);
A quick glance, it seems not an equivalent replace.
Thanks,
Joseph
> spin_unlock(&oi->ip_lock);
> return 0;
> }
> diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
> index 9e417cd4fd16..e8c78d16e815 100644
> --- a/fs/ocfs2/file.c
> +++ b/fs/ocfs2/file.c
> @@ -232,8 +232,10 @@ int ocfs2_should_update_atime(struct inode *inode,
> return 0;
>
> if (vfsmnt->mnt_flags & MNT_RELATIME) {
> + struct timespec64 ctime = inode_get_ctime(inode);
> +
> if ((timespec64_compare(&inode->i_atime, &inode->i_mtime) <= 0) ||
> - (timespec64_compare(&inode->i_atime, &inode->i_ctime) <= 0))
> + (timespec64_compare(&inode->i_atime, &ctime) <= 0))
> return 1;
>
> return 0;
> @@ -294,7 +296,7 @@ int ocfs2_set_inode_size(handle_t *handle,
>
> i_size_write(inode, new_i_size);
> inode->i_blocks = ocfs2_inode_sector_count(inode);
> - inode->i_ctime = inode->i_mtime = current_time(inode);
> + inode->i_mtime = inode_set_ctime_current(inode);
>
> status = ocfs2_mark_inode_dirty(handle, inode, fe_bh);
> if (status < 0) {
> @@ -415,12 +417,12 @@ static int ocfs2_orphan_for_truncate(struct ocfs2_super *osb,
> }
>
> i_size_write(inode, new_i_size);
> - inode->i_ctime = inode->i_mtime = current_time(inode);
> + inode->i_mtime = inode_set_ctime_current(inode);
>
> di = (struct ocfs2_dinode *) fe_bh->b_data;
> di->i_size = cpu_to_le64(new_i_size);
> - di->i_ctime = di->i_mtime = cpu_to_le64(inode->i_ctime.tv_sec);
> - di->i_ctime_nsec = di->i_mtime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec);
> + di->i_ctime = di->i_mtime = cpu_to_le64(inode_get_ctime(inode).tv_sec);
> + di->i_ctime_nsec = di->i_mtime_nsec = cpu_to_le32(inode_get_ctime(inode).tv_nsec);
> ocfs2_update_inode_fsync_trans(handle, inode, 0);
>
> ocfs2_journal_dirty(handle, fe_bh);
> @@ -819,7 +821,7 @@ static int ocfs2_write_zero_page(struct inode *inode, u64 abs_from,
> i_size_write(inode, abs_to);
> inode->i_blocks = ocfs2_inode_sector_count(inode);
> di->i_size = cpu_to_le64((u64)i_size_read(inode));
> - inode->i_mtime = inode->i_ctime = current_time(inode);
> + inode->i_mtime = inode_set_ctime_current(inode);
> di->i_mtime = di->i_ctime = cpu_to_le64(inode->i_mtime.tv_sec);
> di->i_ctime_nsec = cpu_to_le32(inode->i_mtime.tv_nsec);
> di->i_mtime_nsec = di->i_ctime_nsec;
> @@ -2038,7 +2040,7 @@ static int __ocfs2_change_file_space(struct file *file, struct inode *inode,
> goto out_inode_unlock;
> }
>
> - inode->i_ctime = inode->i_mtime = current_time(inode);
> + inode->i_mtime = inode_set_ctime_current(inode);
> ret = ocfs2_mark_inode_dirty(handle, inode, di_bh);
> if (ret < 0)
> mlog_errno(ret);
> diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c
> index bb116c39b581..e8771600b930 100644
> --- a/fs/ocfs2/inode.c
> +++ b/fs/ocfs2/inode.c
> @@ -306,8 +306,8 @@ void ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe,
> inode->i_atime.tv_nsec = le32_to_cpu(fe->i_atime_nsec);
> inode->i_mtime.tv_sec = le64_to_cpu(fe->i_mtime);
> inode->i_mtime.tv_nsec = le32_to_cpu(fe->i_mtime_nsec);
> - inode->i_ctime.tv_sec = le64_to_cpu(fe->i_ctime);
> - inode->i_ctime.tv_nsec = le32_to_cpu(fe->i_ctime_nsec);
> + inode_set_ctime(inode, le64_to_cpu(fe->i_ctime),
> + le32_to_cpu(fe->i_ctime_nsec));
>
> if (OCFS2_I(inode)->ip_blkno != le64_to_cpu(fe->i_blkno))
> mlog(ML_ERROR,
> @@ -1314,8 +1314,8 @@ int ocfs2_mark_inode_dirty(handle_t *handle,
> fe->i_mode = cpu_to_le16(inode->i_mode);
> fe->i_atime = cpu_to_le64(inode->i_atime.tv_sec);
> fe->i_atime_nsec = cpu_to_le32(inode->i_atime.tv_nsec);
> - fe->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec);
> - fe->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec);
> + fe->i_ctime = cpu_to_le64(inode_get_ctime(inode).tv_sec);
> + fe->i_ctime_nsec = cpu_to_le32(inode_get_ctime(inode).tv_nsec);
> fe->i_mtime = cpu_to_le64(inode->i_mtime.tv_sec);
> fe->i_mtime_nsec = cpu_to_le32(inode->i_mtime.tv_nsec);
>
> @@ -1352,8 +1352,8 @@ void ocfs2_refresh_inode(struct inode *inode,
> inode->i_atime.tv_nsec = le32_to_cpu(fe->i_atime_nsec);
> inode->i_mtime.tv_sec = le64_to_cpu(fe->i_mtime);
> inode->i_mtime.tv_nsec = le32_to_cpu(fe->i_mtime_nsec);
> - inode->i_ctime.tv_sec = le64_to_cpu(fe->i_ctime);
> - inode->i_ctime.tv_nsec = le32_to_cpu(fe->i_ctime_nsec);
> + inode_set_ctime(inode, le64_to_cpu(fe->i_ctime),
> + le32_to_cpu(fe->i_ctime_nsec));
>
> spin_unlock(&OCFS2_I(inode)->ip_lock);
> }
> diff --git a/fs/ocfs2/move_extents.c b/fs/ocfs2/move_extents.c
> index b1e32ec4a9d4..05d67968a3a9 100644
> --- a/fs/ocfs2/move_extents.c
> +++ b/fs/ocfs2/move_extents.c
> @@ -950,9 +950,9 @@ static int ocfs2_move_extents(struct ocfs2_move_extents_context *context)
> }
>
> di = (struct ocfs2_dinode *)di_bh->b_data;
> - inode->i_ctime = current_time(inode);
> - di->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec);
> - di->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec);
> + inode_set_ctime_current(inode);
> + di->i_ctime = cpu_to_le64(inode_get_ctime(inode).tv_sec);
> + di->i_ctime_nsec = cpu_to_le32(inode_get_ctime(inode).tv_nsec);
> ocfs2_update_inode_fsync_trans(handle, inode, 0);
>
> ocfs2_journal_dirty(handle, di_bh);
> diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
> index 17c52225b87d..e4a684d45308 100644
> --- a/fs/ocfs2/namei.c
> +++ b/fs/ocfs2/namei.c
> @@ -793,10 +793,10 @@ static int ocfs2_link(struct dentry *old_dentry,
> }
>
> inc_nlink(inode);
> - inode->i_ctime = current_time(inode);
> + inode_set_ctime_current(inode);
> ocfs2_set_links_count(fe, inode->i_nlink);
> - fe->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec);
> - fe->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec);
> + fe->i_ctime = cpu_to_le64(inode_get_ctime(inode).tv_sec);
> + fe->i_ctime_nsec = cpu_to_le32(inode_get_ctime(inode).tv_nsec);
> ocfs2_journal_dirty(handle, fe_bh);
>
> err = ocfs2_add_entry(handle, dentry, inode,
> @@ -995,7 +995,7 @@ static int ocfs2_unlink(struct inode *dir,
> ocfs2_set_links_count(fe, inode->i_nlink);
> ocfs2_journal_dirty(handle, fe_bh);
>
> - dir->i_ctime = dir->i_mtime = current_time(dir);
> + dir->i_mtime = inode_set_ctime_current(dir);
> if (S_ISDIR(inode->i_mode))
> drop_nlink(dir);
>
> @@ -1537,7 +1537,7 @@ static int ocfs2_rename(struct mnt_idmap *idmap,
> new_dir_bh, &target_insert);
> }
>
> - old_inode->i_ctime = current_time(old_inode);
> + inode_set_ctime_current(old_inode);
> mark_inode_dirty(old_inode);
>
> status = ocfs2_journal_access_di(handle, INODE_CACHE(old_inode),
> @@ -1546,8 +1546,8 @@ static int ocfs2_rename(struct mnt_idmap *idmap,
> if (status >= 0) {
> old_di = (struct ocfs2_dinode *) old_inode_bh->b_data;
>
> - old_di->i_ctime = cpu_to_le64(old_inode->i_ctime.tv_sec);
> - old_di->i_ctime_nsec = cpu_to_le32(old_inode->i_ctime.tv_nsec);
> + old_di->i_ctime = cpu_to_le64(inode_get_ctime(old_inode).tv_sec);
> + old_di->i_ctime_nsec = cpu_to_le32(inode_get_ctime(old_inode).tv_nsec);
> ocfs2_journal_dirty(handle, old_inode_bh);
> } else
> mlog_errno(status);
> @@ -1586,9 +1586,9 @@ static int ocfs2_rename(struct mnt_idmap *idmap,
>
> if (new_inode) {
> drop_nlink(new_inode);
> - new_inode->i_ctime = current_time(new_inode);
> + inode_set_ctime_current(new_inode);
> }
> - old_dir->i_ctime = old_dir->i_mtime = current_time(old_dir);
> + old_dir->i_mtime = inode_set_ctime_current(old_dir);
>
> if (update_dot_dot) {
> status = ocfs2_update_entry(old_inode, handle,
> @@ -1610,7 +1610,8 @@ static int ocfs2_rename(struct mnt_idmap *idmap,
>
> if (old_dir != new_dir) {
> /* Keep the same times on both directories.*/
> - new_dir->i_ctime = new_dir->i_mtime = old_dir->i_ctime;
> + new_dir->i_mtime = inode_set_ctime_to_ts(new_dir,
> + inode_get_ctime(old_dir));
>
> /*
> * This will also pick up the i_nlink change from the
> diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
> index 564ab48d03ef..25c8ec3c8c3a 100644
> --- a/fs/ocfs2/refcounttree.c
> +++ b/fs/ocfs2/refcounttree.c
> @@ -3750,9 +3750,9 @@ static int ocfs2_change_ctime(struct inode *inode,
> goto out_commit;
> }
>
> - inode->i_ctime = current_time(inode);
> - di->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec);
> - di->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec);
> + inode_set_ctime_current(inode);
> + di->i_ctime = cpu_to_le64(inode_get_ctime(inode).tv_sec);
> + di->i_ctime_nsec = cpu_to_le32(inode_get_ctime(inode).tv_nsec);
>
> ocfs2_journal_dirty(handle, di_bh);
>
> @@ -4073,10 +4073,10 @@ static int ocfs2_complete_reflink(struct inode *s_inode,
> * we want mtime to appear identical to the source and
> * update ctime.
> */
> - t_inode->i_ctime = current_time(t_inode);
> + inode_set_ctime_current(t_inode);
>
> - di->i_ctime = cpu_to_le64(t_inode->i_ctime.tv_sec);
> - di->i_ctime_nsec = cpu_to_le32(t_inode->i_ctime.tv_nsec);
> + di->i_ctime = cpu_to_le64(inode_get_ctime(t_inode).tv_sec);
> + di->i_ctime_nsec = cpu_to_le32(inode_get_ctime(t_inode).tv_nsec);
>
> t_inode->i_mtime = s_inode->i_mtime;
> di->i_mtime = s_di->i_mtime;
> @@ -4456,7 +4456,7 @@ int ocfs2_reflink_update_dest(struct inode *dest,
> if (newlen > i_size_read(dest))
> i_size_write(dest, newlen);
> spin_unlock(&OCFS2_I(dest)->ip_lock);
> - dest->i_ctime = dest->i_mtime = current_time(dest);
> + dest->i_mtime = inode_set_ctime_current(dest);
>
> ret = ocfs2_mark_inode_dirty(handle, dest, d_bh);
> if (ret) {
> diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
> index 4ac77ff6e676..6510ad783c91 100644
> --- a/fs/ocfs2/xattr.c
> +++ b/fs/ocfs2/xattr.c
> @@ -3421,9 +3421,9 @@ static int __ocfs2_xattr_set_handle(struct inode *inode,
> goto out;
> }
>
> - inode->i_ctime = current_time(inode);
> - di->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec);
> - di->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec);
> + inode_set_ctime_current(inode);
> + di->i_ctime = cpu_to_le64(inode_get_ctime(inode).tv_sec);
> + di->i_ctime_nsec = cpu_to_le32(inode_get_ctime(inode).tv_nsec);
> ocfs2_journal_dirty(ctxt->handle, xis->inode_bh);
> }
> out:
