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authorChris Mason <chris.mason@oracle.com>2009-03-13 10:24:59 -0400
committerChris Mason <chris.mason@oracle.com>2009-03-24 16:14:25 -0400
commit9fa8cfe706f9c20067c042a064999d5825a35330 (patch)
tree8e64281caffcdb3ad5a8ab8bf22bb90483e9e214 /fs/btrfs/tree-defrag.c
parent8e0ee43bc2c3e19db56a4adaa9a9b04ce885cd84 (diff)
Btrfs: don't preallocate metadata blocks during btrfs_search_slot
In order to avoid doing expensive extent management with tree locks held, btrfs_search_slot will preallocate tree blocks for use by COW without any tree locks held. A later commit moves all of the extent allocation work for COW into a delayed update mechanism, and this preallocation will no longer be required. Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/tree-defrag.c')
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