hfs: convert to ctime accessor functions

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@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Message-Id: <20230705190309.579783-46-jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>

fs/hfs/catalog.c

@@ -133,7 +133,7 @@ int hfs_cat_create(u32 cnid, struct inode *dir, const struct qstr *str, struct i
 		goto err1;
 
 	dir->i_size++;
-	dir->i_mtime = dir->i_ctime = current_time(dir);
+	dir->i_mtime = inode_set_ctime_current(dir);
 	mark_inode_dirty(dir);
 	hfs_find_exit(&fd);
 	return 0;
@@ -269,7 +269,7 @@ int hfs_cat_delete(u32 cnid, struct inode *dir, const struct qstr *str)
 	}
 
 	dir->i_size--;
-	dir->i_mtime = dir->i_ctime = current_time(dir);
+	dir->i_mtime = inode_set_ctime_current(dir);
 	mark_inode_dirty(dir);
 	res = 0;
 out:
@@ -337,7 +337,7 @@ int hfs_cat_move(u32 cnid, struct inode *src_dir, const struct qstr *src_name,
 	if (err)
 		goto out;
 	dst_dir->i_size++;
-	dst_dir->i_mtime = dst_dir->i_ctime = current_time(dst_dir);
+	dst_dir->i_mtime = inode_set_ctime_current(dst_dir);
 	mark_inode_dirty(dst_dir);
 
 	/* finally remove the old entry */
@@ -349,7 +349,7 @@ int hfs_cat_move(u32 cnid, struct inode *src_dir, const struct qstr *src_name,
 	if (err)
 		goto out;
 	src_dir->i_size--;
-	src_dir->i_mtime = src_dir->i_ctime = current_time(src_dir);
+	src_dir->i_mtime = inode_set_ctime_current(src_dir);
 	mark_inode_dirty(src_dir);
 
 	type = entry.type;

fs/hfs/dir.c

@@ -263,7 +263,7 @@ static int hfs_remove(struct inode *dir, struct dentry *dentry)
 	if (res)
 		return res;
 	clear_nlink(inode);
-	inode->i_ctime = current_time(inode);
+	inode_set_ctime_current(inode);
 	hfs_delete_inode(inode);
 	mark_inode_dirty(inode);
 	return 0;

fs/hfs/inode.c

@@ -200,7 +200,7 @@ struct inode *hfs_new_inode(struct inode *dir, const struct qstr *name, umode_t
 	inode->i_uid = current_fsuid();
 	inode->i_gid = current_fsgid();
 	set_nlink(inode, 1);
-	inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
+	inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode);
 	HFS_I(inode)->flags = 0;
 	HFS_I(inode)->rsrc_inode = NULL;
 	HFS_I(inode)->fs_blocks = 0;
@@ -355,8 +355,8 @@ static int hfs_read_inode(struct inode *inode, void *data)
 			inode->i_mode |= S_IWUGO;
 		inode->i_mode &= ~hsb->s_file_umask;
 		inode->i_mode |= S_IFREG;
-		inode->i_ctime = inode->i_atime = inode->i_mtime =
-				hfs_m_to_utime(rec->file.MdDat);
+		inode->i_atime = inode->i_mtime = inode_set_ctime_to_ts(inode,
+									hfs_m_to_utime(rec->file.MdDat));
 		inode->i_op = &hfs_file_inode_operations;
 		inode->i_fop = &hfs_file_operations;
 		inode->i_mapping->a_ops = &hfs_aops;
@@ -366,8 +366,8 @@ static int hfs_read_inode(struct inode *inode, void *data)
 		inode->i_size = be16_to_cpu(rec->dir.Val) + 2;
 		HFS_I(inode)->fs_blocks = 0;
 		inode->i_mode = S_IFDIR | (S_IRWXUGO & ~hsb->s_dir_umask);
-		inode->i_ctime = inode->i_atime = inode->i_mtime =
-				hfs_m_to_utime(rec->dir.MdDat);
+		inode->i_atime = inode->i_mtime = inode_set_ctime_to_ts(inode,
+									hfs_m_to_utime(rec->dir.MdDat));
 		inode->i_op = &hfs_dir_inode_operations;
 		inode->i_fop = &hfs_dir_operations;
 		break;
@@ -654,8 +654,7 @@ int hfs_inode_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
 
 		truncate_setsize(inode, attr->ia_size);
 		hfs_file_truncate(inode);
-		inode->i_atime = inode->i_mtime = inode->i_ctime =
-						  current_time(inode);
+		inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode);
 	}
 
 	setattr_copy(&nop_mnt_idmap, inode, attr);

fs/hfs/sysdep.c

@@ -28,7 +28,9 @@ static int hfs_revalidate_dentry(struct dentry *dentry, unsigned int flags)
 	/* fix up inode on a timezone change */
 	diff = sys_tz.tz_minuteswest * 60 - HFS_I(inode)->tz_secondswest;
 	if (diff) {
-		inode->i_ctime.tv_sec += diff;
+		struct timespec64 ctime = inode_get_ctime(inode);
+
+		inode_set_ctime(inode, ctime.tv_sec + diff, ctime.tv_nsec);
 		inode->i_atime.tv_sec += diff;
 		inode->i_mtime.tv_sec += diff;
 		HFS_I(inode)->tz_secondswest += diff;