tree a178608e394b5ee079838353004eb318ff22c513
parent 88ee5ef157202624de2b43b3512fdcb54fda1ab5
author Jens Axboe <axboe@suse.de> 1136537008 +0100
committer Jens Axboe <axboe@suse.de> 1136537008 +0100

[BLOCK] bio: check for same page merge possibilities in __bio_add_page()

For filesystems with a blocksize < page size, we can merge same page
calls into the bio_vec at the end of the bio. This saves segments
on systems with a page size > the "normal" 4kb fs block size.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@suse.de>