commit | 768ddb1eacf5dd997ecf393e7bab9796bad047e0 | [log] [tgz] |
---|---|---|
author | David Howells <dhowells@redhat.com> | Fri May 27 13:45:28 2022 +0100 |
committer | David Howells <dhowells@redhat.com> | Thu Dec 28 09:45:19 2023 +0000 |
tree | 95eca7d52ed1166adc05c97b0ecf3862d3172a43 | |
parent | cae932d3aee55035a54415dcea8e7ecf2ec469b5 [diff] |
netfs: Limit subrequest by size or number of segments Limit a subrequest to a maximum size and/or a maximum number of contiguous physical regions. This permits, for instance, an subreq's iterator to be limited to the number of DMA'able segments that a large RDMA request can handle. Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> cc: linux-cachefs@redhat.com cc: linux-fsdevel@vger.kernel.org cc: linux-mm@kvack.org