AD> Could you make it a pre-requisite to the concurrent-alloc patch?
AD> That would make it a shoo-in to being accepted (cleans up code
AD> nicely).
Andrew already asked to wait until next -mm
AD> The point of having the reserved blocks is to reduce
AD> fragmentation in file allocation. Having per-group reserved
AD> blocks is a good idea, because it keeps the reserved "slack" per
AD> group, and helps file allocations within that group have a bit of
AD> free space in which to grow. If you are reserving all of the
AD> blocks at the end of the filesystem, then the earlier groups will
AD> become 100% allocated prematurely and lose any ability to keep
AD> files there contiguous.
well. looks like I miss something here. I thought reservation is not
allocation policy, but mechanism to protect some user (root, usually)
from fs overflow
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