On Fri, Jul 03, 2015 at 07:37:12PM +0200, Jan Kara wrote: > From: Jan Kara <jack@xxxxxxx> > > It is often the case that we mark buffer as having dirty metadata when > the buffer is already in that state (frequent for bitmaps, inode table > blocks, superblock). Thus it is unnecessary to contend on grabbing > journal head reference and bh_state lock. Avoid that by checking whether > any modification to the buffer is needed before grabbing any locks or > references. > > Signed-off-by: Jan Kara <jack@xxxxxxx> Applied, thanks. - 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
