On Thu, Oct 19, 2017 at 11:06 PM, Darrick J. Wong <darrick.wong@xxxxxxxxxx> wrote: > On Thu, Oct 19, 2017 at 06:57:04AM +0300, Amir Goldstein wrote: >> On Thu, Oct 19, 2017 at 1:55 AM, Allison Henderson >> <allison.henderson@xxxxxxxxxx> wrote: >> > [dchinner: forward ported and cleaned up] >> > [achender: rebased and added parent pointer attribute to >> > compatible attributes mask] >> > >> > Signed-off-by: Mark Tinguely <tinguely@xxxxxxx> >> > Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx> >> > Signed-off-by: Allison Henderson <allison.henderson@xxxxxxxxxx> >> > --- >> > v2: remove unrelated type clean up in xfs_format.h >> >> I'm curious how XFS_SB_VERSION2_PARENTBIT fits into the picture? >> old relic? > > A feature bit most probably used by the SGI XFS parent pointer > implementation. We don't want to reuse that bit and thereby crash into > their code. > Ah, I was not aware that parallel universe exists. Perhaps worth a comment near definition of XFS_SB_VERSION2_PARENTBIT so it won't be confused with Linux parent pointers. Amir. -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html