btrfs: introduce extent allocation policy

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This commit introduces extent allocation policy for btrfs. This policy
controls how btrfs allocate an extents from block groups.  There is no
functional change introduced with this commit.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Naohiro Aota 2020-02-25 12:56:16 +09:00 • committed by David Sterba

parent 6aafb30384

commit cb2f96f8ab

1 changed files with 8 additions and 0 deletions

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8

fs/btrfs/extent-tree.c

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