On Fri, May 31, 2013 at 11:42:50AM +0200, Jan Kara wrote: > Later we would like to clear PageWriteback bit only after extent conversion > from unwritten to written extents is performed. However it is not possible > to start a transaction after PageWriteback is set because that violates > lock ordering (and is easy to deadlock). So we have to reserve a transaction > before locking pages and sending them for IO and later we use the transaction > for extent conversion from ext4_end_io(). > > Reviewed-by: Zheng Liu <wenqing.lz@xxxxxxxxxx> > Signed-off-by: Jan Kara <jack@xxxxxxx> Thanks, applied. - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html