linux-ext4 - Clearing the way for ext4 snapshots

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Date:	Tue, 1 Mar 2011 20:31:19 +0200
From:	Amir Goldstein <amir73il@...il.com>
To:	Theodore Tso <tytso@....edu>
Cc:	Ext4 Developers List <linux-ext4@...r.kernel.org>
Subject: Clearing the way for ext4 snapshots

Hi Ted,

I pushed a few small patches today, all are pre-snapshot patches,
which I hope you can merge in coming merge window.

These 2, are the only snapshot patches outside fs/ext4:

[PATCH 1/2] jbd2: add the b_cow_tid field to journal_head struct 						
[PATCH 2/2] jbd2: add the h_cowing flag and debug counters to
jbd2_journal_handle struct

Merging them soon will allow early ext4 snapshots testers to build a standalone
module, without having to patch and build the kernel.

These 2, are no-brainer error handling.
Since they are not an integral part of the snapshot patches,
I rather merge them sooner and not clutter the snapshot patches
review with unrelated stuff.

[PATCH 1/2] ext4: handle errors in ext4_rename 						
[PATCH 2/2] ext4: handle errors in ext4_clear_blocks() 						

This one is also a no-brainer cleanup, which will be required by snapshots.

[PATCH] ext4: fix callers of ext4_handle_release_buffer() API 						

Thanks,
Amir.
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