tree 0aa776b6fb5af04e9392c3f49842eeee97a5bd74
parent 61e0d47c33cc371f725bcda4a47ae0efe652dba8
author Jens Axboe <jens.axboe@oracle.com> 1239778807 +0200
committer Jens Axboe <jens.axboe@oracle.com> 1239790212 +0200

bio: add documentation to bio_alloc()

Explain that with __GFP_WAIT set it will not fail, and that the caller
must never allocate more than 1 bio at the time.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>