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From: Jan Schmidt <mail@jan-o-sch.net>
To: Jan Schmidt <list.btrfs@jan-o-sch.net>
Cc: Mark Fasheh <mfasheh@suse.de>,
	linux-btrfs@vger.kernel.org, Chris Mason <chris.mason@oracle.com>,
	Josef Bacik <josef@redhat.com>
Subject: Re: [PATCH 3/3] btrfs: extended inode refs
Date: Thu, 12 Apr 2012 20:38:18 +0200	[thread overview]
Message-ID: <4F87211A.9070905@jan-o-sch.net> (raw)
In-Reply-To: <4F871808.3050309@jan-o-sch.net>

On 12.04.2012 19:59, Jan Schmidt wrote:
>> -static int iterate_irefs(u64 inum, struct btrfs_root *fs_root,
>> -				struct btrfs_path *path,
>> -				iterate_irefs_t *iterate, void *ctx)
>> +static int iterate_inode_refs(u64 inum, struct btrfs_root *fs_root,
>> +			      struct btrfs_path *path,
>> +			      iterate_irefs_t *iterate, void *ctx)
> 
> This function must not call free_extent_buffer(eb) in line 1306 after
> applying your patch set (immediately before the break). Second, I think
> we'd better add a blocking read lock on eb after incrementing it's
> refcount, because we need the current content to stay as it is. Both
> isn't part of your patches, but it might be easier if you make that
> bugfix change as a 3/4 patch within your set and turn this one into 4/4.
> If you don't like that, I'll send a separate patch for it. Don't miss
> the unlock if you do it ;-)

FYI: There are more read locks missing in the current version of
backref.c. So I made a bugfix patch myself which I'll test and send
tomorrow.

-Jan

  reply	other threads:[~2012-04-12 18:38 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-05 20:09 [PATCH 0/3] " Mark Fasheh
2012-04-05 20:09 ` [PATCH 1/3] " Mark Fasheh
2012-04-12 13:08   ` Jan Schmidt
2012-04-24 22:23     ` Mark Fasheh
2012-04-25 10:19       ` Jan Schmidt
2012-04-05 20:09 ` [PATCH 2/3] " Mark Fasheh
2012-04-12 13:08   ` Jan Schmidt
2012-05-03 23:12     ` Mark Fasheh
2012-05-04 11:39       ` David Sterba
2012-04-12 15:53   ` Jan Schmidt
2012-05-01 18:39     ` Mark Fasheh
2012-04-05 20:09 ` [PATCH 3/3] " Mark Fasheh
2012-04-12 17:59   ` Jan Schmidt
2012-04-12 18:38     ` Jan Schmidt [this message]
2012-05-08 22:57     ` Mark Fasheh
2012-05-09 17:02       ` Chris Mason
2012-05-10  8:23         ` Jan Schmidt
2012-05-10 13:35           ` Chris Mason
2012-04-05 21:13 ` [PATCH 0/3] " Jeff Mahoney
2012-04-11 13:11   ` Jan Schmidt
2012-04-11 13:29     ` Jan Schmidt
2012-04-12 16:11     ` Chris Mason
2012-04-12 16:19       ` Mark Fasheh
2012-04-06  1:24 ` Liu Bo
2012-04-06  2:12   ` Liu Bo
2012-05-21 21:46 Mark Fasheh
2012-05-21 21:46 ` [PATCH 3/3] " Mark Fasheh
2012-07-06 14:57   ` Jan Schmidt
2012-07-09 20:24     ` Mark Fasheh
2012-08-08 18:55 [PATCH 0/3] " Mark Fasheh
2012-08-08 18:55 ` [PATCH 3/3] " Mark Fasheh
2012-08-15  8:46   ` Jan Schmidt

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