On Jun 16, 2016, at 1:20 PM, Jan Kara <jack@xxxxxxx> wrote: > > Well, since ext4_mb_free_metadata() is the only user of > ext4_journal_callback_add(), ext4_journal_callback_add() won't have any > user after your patch. Maybe we could just stop playing these abstraction > games nobody currently uses and just implement a helper function to add > freeing callback to the transaction list including increment of the pending > counter. We use the journal callback for Lustre servers. Please don't remove it. Cheers, Andreas
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