tree 2cd417558d34777ee8aabc950ccc0993d542d1b0
parent 73f61b2a6459df982cb4faf0e5cf5ac8b153aaff
author Chris Mason <chris.mason@oracle.com> 1208180770 -0400
committer Chris Mason <chris.mason@oracle.com> 1222355041 -0400

Add a min size parameter to btrfs_alloc_extent

On huge machines, delayed allocation may try to allocate massive extents.
This change allows btrfs_alloc_extent to return something smaller than
the caller asked for, and the data allocation routines will loop over
the allocations until it fills the whole delayed alloc.

Signed-off-by: Chris Mason <chris.mason@oracle.com>