sysfs: use rb-tree for inode number lookup

sysfs: use rb-tree for inode number lookup

This patch makes sysfs use red-black tree for inode number lookup.
Together with a previous patch to use red-black tree for name lookup,
this patch makes all sysfs lookups to have O(log n) complexity.

Signed-off-by: Mikulas Patocka <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
2 files changed