Re: [PATCH 3/3] btrfs: extended inode refs

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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
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