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David Howells
d2fe21077d
Use sendmsg() with MSG_SPLICE_PAGES rather than sendpage. This allows multiple pages and multipage folios to be passed through. TODO: iscsit_fe_sendpage_sg() should perhaps set up a bio_vec array for the entire set of pages it's going to transfer plus two for the header and trailer and page fragments to hold the header and trailer - and then call sendmsg once for the entire message. Signed-off-by: David Howells <dhowells@redhat.com> cc: Mike Christie <michael.christie@oracle.com> cc: Maurizio Lombardi <mlombard@redhat.com> cc: "James E.J. Bottomley" <jejb@linux.ibm.com> cc: "Martin K. Petersen" <martin.petersen@oracle.com> cc: Jens Axboe <axboe@kernel.dk> cc: Matthew Wilcox <willy@infradead.org> cc: Al Viro <viro@zeniv.linux.org.uk> cc: open-iscsi@googlegroups.com Link: https://lore.kernel.org/r/20230623225513.2732256-13-dhowells@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.