David Howells 572efade27 rds: Use sendmsg(MSG_SPLICE_PAGES) rather than sendpage
When transmitting data, call down into TCP using a single sendmsg with
MSG_SPLICE_PAGES to indicate that content should be spliced.

To make this work, the data is assembled in a bio_vec array and attached to
a BVEC-type iterator.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Santosh Shilimkar <santosh.shilimkar@oracle.com>
cc: Jens Axboe <axboe@kernel.dk>
cc: Matthew Wilcox <willy@infradead.org>
cc: rds-devel@oss.oracle.com
Link: https://lore.kernel.org/r/20230623225513.2732256-6-dhowells@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-06-24 15:50:12 -07:00
..
2020-09-18 14:12:43 -07:00
2021-05-31 22:45:05 -07:00
2020-11-17 15:22:06 -04:00
2020-05-20 14:08:06 -07:00
2016-12-26 21:35:39 -05:00
2020-07-24 15:41:54 -07:00
2016-06-18 21:34:09 -07:00
2011-07-01 16:16:19 -07:00