bfs: 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: <20230705190309.579783-26-jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>

fs/bfs/dir.c

@@ -97,7 +97,7 @@ static int bfs_create(struct mnt_idmap *idmap, struct inode *dir,
 	set_bit(ino, info->si_imap);
 	info->si_freei--;
 	inode_init_owner(&nop_mnt_idmap, inode, dir, mode);
-	inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
+	inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode);
 	inode->i_blocks = 0;
 	inode->i_op = &bfs_file_inops;
 	inode->i_fop = &bfs_file_operations;
@@ -158,7 +158,7 @@ static int bfs_link(struct dentry *old, struct inode *dir,
 		return err;
 	}
 	inc_nlink(inode);
-	inode->i_ctime = current_time(inode);
+	inode_set_ctime_current(inode);
 	mark_inode_dirty(inode);
 	ihold(inode);
 	d_instantiate(new, inode);
@@ -187,9 +187,9 @@ static int bfs_unlink(struct inode *dir, struct dentry *dentry)
 	}
 	de->ino = 0;
 	mark_buffer_dirty_inode(bh, dir);
-	dir->i_ctime = dir->i_mtime = current_time(dir);
+	dir->i_mtime = inode_set_ctime_current(dir);
 	mark_inode_dirty(dir);
-	inode->i_ctime = dir->i_ctime;
+	inode_set_ctime_to_ts(inode, inode_get_ctime(dir));
 	inode_dec_link_count(inode);
 	error = 0;
 
@@ -240,10 +240,10 @@ static int bfs_rename(struct mnt_idmap *idmap, struct inode *old_dir,
 			goto end_rename;
 	}
 	old_de->ino = 0;
-	old_dir->i_ctime = old_dir->i_mtime = current_time(old_dir);
+	old_dir->i_mtime = inode_set_ctime_current(old_dir);
 	mark_inode_dirty(old_dir);
 	if (new_inode) {
-		new_inode->i_ctime = current_time(new_inode);
+		inode_set_ctime_current(new_inode);
 		inode_dec_link_count(new_inode);
 	}
 	mark_buffer_dirty_inode(old_bh, old_dir);
@@ -292,9 +292,9 @@ static int bfs_add_entry(struct inode *dir, const struct qstr *child, int ino)
 				pos = (block - sblock) * BFS_BSIZE + off;
 				if (pos >= dir->i_size) {
 					dir->i_size += BFS_DIRENT_SIZE;
-					dir->i_ctime = current_time(dir);
+					inode_set_ctime_current(dir);
 				}
-				dir->i_mtime = dir->i_ctime = current_time(dir);
+				dir->i_mtime = inode_set_ctime_current(dir);
 				mark_inode_dirty(dir);
 				de->ino = cpu_to_le16((u16)ino);
 				for (i = 0; i < BFS_NAMELEN; i++)

fs/bfs/inode.c

@@ -82,10 +82,9 @@ struct inode *bfs_iget(struct super_block *sb, unsigned long ino)
 	inode->i_blocks = BFS_FILEBLOCKS(di);
 	inode->i_atime.tv_sec =  le32_to_cpu(di->i_atime);
 	inode->i_mtime.tv_sec =  le32_to_cpu(di->i_mtime);
-	inode->i_ctime.tv_sec =  le32_to_cpu(di->i_ctime);
+	inode_set_ctime(inode, le32_to_cpu(di->i_ctime), 0);
 	inode->i_atime.tv_nsec = 0;
 	inode->i_mtime.tv_nsec = 0;
-	inode->i_ctime.tv_nsec = 0;
 
 	brelse(bh);
 	unlock_new_inode(inode);
@@ -143,7 +142,7 @@ static int bfs_write_inode(struct inode *inode, struct writeback_control *wbc)
 	di->i_nlink = cpu_to_le32(inode->i_nlink);
 	di->i_atime = cpu_to_le32(inode->i_atime.tv_sec);
 	di->i_mtime = cpu_to_le32(inode->i_mtime.tv_sec);
-	di->i_ctime = cpu_to_le32(inode->i_ctime.tv_sec);
+	di->i_ctime = cpu_to_le32(inode_get_ctime(inode).tv_sec);
 	i_sblock = BFS_I(inode)->i_sblock;
 	di->i_sblock = cpu_to_le32(i_sblock);
 	di->i_eblock = cpu_to_le32(BFS_I(inode)->i_eblock);