tree 1d4f06fa7bdadf025159ff5408f14080552a0cb0
parent 7bf72edee614e10b8d470c40a326f47bfdd69992
author Mark Fasheh <mark.fasheh@oracle.com> 1149540060 -0400
committer Mark Fasheh <mark.fasheh@oracle.com> 1154974021 -0700

ocfs2: allocation hints

Record the most recently used allocation group on the allocation context, so
that subsequent allocations can attempt to optimize for contiguousness.
Local alloc especially should benefit from this as the current chain search
tends to let it spew across the disk.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>