Btrfs: add the ability to cache a pointer into the eb

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This cuts down on the CPU time used by map_private_extent_buffer

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

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Chris Mason 2012-03-03 07:40:03 -05:00

parent 0b32f4bbb4

commit cfed81a04e

3 changed files with 116 additions and 30 deletions

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80

fs/btrfs/ctree.c

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13

fs/btrfs/ctree.h

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53

fs/btrfs/struct-funcs.c

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