tree e4dea0ce02413260ca4dfc3b7de0bb91570f331b
parent 15d20bfd606c4b4454aeaa05fc86f77994e48c92
author Tejun Heo <htejun@gmail.com> 1119510528 -0700
committer Linus Torvalds <torvalds@ppc970.osdl.org> 1119545115 -0700

[PATCH] blk: use find_first_zero_bit() in blk_queue_start_tag()

blk_queue_start_tag() hand-coded searching for the first zero bit in the tag
map.  Replace it with find_first_zero_bit().  With this patch,
blk_queue_star_tag() doesn't need to fill remains of tag map with 1, thus
allowing it to work properly with the next remove_real_max_depth patch.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Acked-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>