Btrfs: reduce stack usage in some crucial tree balancing functions

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Many of the tree balancing functions follow the same pattern.

1) cow a block
2) do something to the result

This commit breaks them up into two functions so the variables and
code required for part two don't suck down stack during part one.

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

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This commit is contained in:

Chris Mason

2009-03-13 10:04:31 -04:00

parent 56bec294de

commit 44871b1b24

1 changed files with 337 additions and 239 deletions

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fs/btrfs/ctree.c

+337 -239

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