Btrfs: revamp clustered allocation logic

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Parameterize clusters on minimum total size, minimum chunk size and
minimum contiguous size for at least one chunk, without limits on
cluster, window or gap sizes.  Don't tolerate any fragmentation for
SSD_SPREAD; accept it for metadata, but try to keep data dense.

Signed-off-by: Alexandre Oliva <oliva@lsd.ic.unicamp.br>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

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Alexandre Oliva 2011-10-14 12:10:36 -03:00 • committed by Chris Mason

parent fc7c1077ce

commit 1bb91902dc

1 changed files with 49 additions and 63 deletions

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fs/btrfs/free-space-cache.c

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