tree 5ded18d250cc1b0c8c60aec55b249d4c4781ed6e
parent 76545066c8521f3e32c849744744842b4df25b79
author Richard Kennedy <richard@rsk.demon.co.uk> 1281399522 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1281411895 -0700

buffer_head: remove redundant test from wait_on_buffer

The comment suggests that when b_count equals zero it is calling
__wait_no_buffer to trigger some debug, but as there is no debug in
__wait_on_buffer the whole thing is redundant.

AFAICT from the git log this has been the case for at least 5 years, so
it seems safe just to remove this.

Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>