ext4: Drop special handling of journalled data from extent shifting operations

Now that filemap_write_and_wait() makes sure pages with journalled data
are safely on disk, ext4_collapse_range() and ext4_insert_range() do
not need special handling of journalled data.

Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20230329154950.19720-7-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

Author: jankara

fs/ext4/extents.c

@@ -5290,13 +5290,6 @@ static int ext4_collapse_range(struct file *file, loff_t offset, loff_t len)
 	punch_start = offset >> EXT4_BLOCK_SIZE_BITS(sb);
 	punch_stop = (offset + len) >> EXT4_BLOCK_SIZE_BITS(sb);
 
-	/* Call ext4_force_commit to flush all data in case of data=journal. */
-	if (ext4_should_journal_data(inode)) {
-		ret = ext4_force_commit(inode->i_sb);
-		if (ret)
-			return ret;
-	}
-
 	inode_lock(inode);
 	/*
 	 * There is no need to overlap collapse range with EOF, in which case
@@ -5443,13 +5436,6 @@ static int ext4_insert_range(struct file *file, loff_t offset, loff_t len)
 	offset_lblk = offset >> EXT4_BLOCK_SIZE_BITS(sb);
 	len_lblk = len >> EXT4_BLOCK_SIZE_BITS(sb);
 
-	/* Call ext4_force_commit to flush all data in case of data=journal */
-	if (ext4_should_journal_data(inode)) {
-		ret = ext4_force_commit(inode->i_sb);
-		if (ret)
-			return ret;
-	}
-
 	inode_lock(inode);
 	/* Currently just for extent based files */
 	if (!ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) {