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| author | Jan Kara <jack@suse.cz> | 2010-08-10 02:19:11 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-10 05:44:59 +0200 |
| commit | ebf8aa44beed48cd17893a83d92a4403e5f9d9e2 (patch) | |
| tree | 03607aa1cdbbb7fda935edb28bb3ad06423852ac /include | |
| parent | rmap: add anon_vma bug checks (diff) | |
| download | linux-ebf8aa44beed48cd17893a83d92a4403e5f9d9e2.tar.xz linux-ebf8aa44beed48cd17893a83d92a4403e5f9d9e2.zip | |
radix-tree: omplement function radix_tree_range_tag_if_tagged
Implement function for setting one tag if another tag is set for each item
in given range.
Signed-off-by: Jan Kara <jack@suse.cz>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Chris Mason <chris.mason@oracle.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/radix-tree.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h index 55ca73cf25e5..a4b00e9cca90 100644 --- a/include/linux/radix-tree.h +++ b/include/linux/radix-tree.h @@ -192,6 +192,10 @@ unsigned int radix_tree_gang_lookup_tag_slot(struct radix_tree_root *root, void ***results, unsigned long first_index, unsigned int max_items, unsigned int tag); +unsigned long radix_tree_range_tag_if_tagged(struct radix_tree_root *root, + unsigned long *first_indexp, unsigned long last_index, + unsigned long nr_to_tag, + unsigned int fromtag, unsigned int totag); int radix_tree_tagged(struct radix_tree_root *root, unsigned int tag); static inline void radix_tree_preload_end(void) |