Btrfs: More throttle tuning

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* Make walk_down_tree wake up throttled tasks more often
* Make walk_down_tree call cond_resched during long loops
* As the size of the ref cache grows, wait longer in throttle
* Get rid of the reada code in walk_down_tree, the leaves don't get
  read anymore, thanks to the ref cache.

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

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This commit is contained in:

Chris Mason 2008-08-04 08:20:15 -04:00

parent 65b51a009e

commit 2dd3e67b1e

3 changed files with 29 additions and 58 deletions

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13

fs/btrfs/disk-io.c

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59

fs/btrfs/extent-tree.c

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15

fs/btrfs/transaction.c

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