| commit | 70eb8040dc81212c884a464b75e37dca8014f3ad | [log] [tgz] |
|---|---|---|
| author | Jens Axboe <jens.axboe@oracle.com> | Mon Jul 16 21:17:16 2007 +0200 |
| committer | Jens Axboe <jens.axboe@oracle.com> | Tue Oct 16 11:08:51 2007 +0200 |
| tree | 79d23b3ef2635032e6060dfa9b06e4f885a8cb10 | |
| parent | c6132da1704be252ee6c923f47501083d835c238 [diff] |
Add chained sg support to linux/scatterlist.h The core of the patch - allow the last sg element in a scatterlist table to point to the start of a new table. We overload the LSB of the page pointer to indicate whether this is a valid sg entry, or merely a link to the next list. Includes a fix from Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> correcting the ifdef ARCH_HAS_SG_CHAIN guarding sg_last(). Signed-off-by: Jens Axboe <jens.axboe@oracle.com>