]> nv-tegra.nvidia Code Review - linux-2.6.git/commit
radixtree: introduce radix_tree_next_hole()
authorFengguang Wu <wfg@mail.ustc.edu.cn>
Tue, 16 Oct 2007 08:24:33 +0000 (01:24 -0700)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Tue, 16 Oct 2007 16:42:52 +0000 (09:42 -0700)
commit6df8ba4f8a4c4abca9ccad10441d0dddbdff301c
tree6ac5cd48d3400a9d32f8affd31106f7942df9547
parentf4e6b498d6e06742d72706ef50593a9c4dd72214
radixtree: introduce radix_tree_next_hole()

Introduce radix_tree_next_hole(root, index, max_scan) to scan radix tree for
the first hole.  It will be used in interleaved readahead.

The implementation is dumb and obviously correct.  It can help debug(and
document) the possible smart one in future.

Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Fengguang Wu <wfg@mail.ustc.edu.cn>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
include/linux/radix-tree.h
lib/radix-tree.c