tree def4ae55c36f02f920037b769a268f389c5b513a
parent dff35fd41f252476cba7f761d7204dd9f47d739e
author Christoph Hellwig <hch@infradead.org> 1218609913 +1000
committer Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> 1218609913 +1000

[XFS] optimize xfs_ichgtime

Port a little optmization from file_update_time to xfs_ichgtime, and only
update the timestamp and mark the inode dirty if the timestamp actually
changes in the timer tick resultion supported by the running kernel.

SGI-PV: 981498

SGI-Modid: xfs-linux-melb:xfs-kern:31827a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>