Commit 90223c11 authored by Jakub Kicinski's avatar Jakub Kicinski
Browse files


Conflicts:

drivers/net/ethernet/freescale/fec_main.c
  6ead9c98 ("net: fec: remove the xdp_return_frame when lack of tx BDs")
  144470c8 ("net: fec: using the standard return codes when xdp xmit errors")

Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parents 1ecaf17d 1f594fe7
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@@ -364,6 +364,11 @@ Nicolas Pitre <nico@fluxnic.net> <nico@linaro.org>
Nicolas Saenz Julienne <nsaenz@kernel.org> <nsaenzjulienne@suse.de>
Nicolas Saenz Julienne <nsaenz@kernel.org> <nsaenzjulienne@suse.com>
Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Nikolay Aleksandrov <razor@blackwall.org> <naleksan@redhat.com>
Nikolay Aleksandrov <razor@blackwall.org> <nikolay@redhat.com>
Nikolay Aleksandrov <razor@blackwall.org> <nikolay@cumulusnetworks.com>
Nikolay Aleksandrov <razor@blackwall.org> <nikolay@nvidia.com>
Nikolay Aleksandrov <razor@blackwall.org> <nikolay@isovalent.com>
Oleksandr Natalenko <oleksandr@natalenko.name> <oleksandr@redhat.com>
Oleksij Rempel <linux@rempel-privat.de> <bug-track@fisher-privat.net>
Oleksij Rempel <linux@rempel-privat.de> <external.Oleksij.Rempel@de.bosch.com>
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@@ -1706,6 +1706,10 @@ S: Panoramastrasse 18
S: D-69126 Heidelberg
S: Germany

N: Neil Horman
M: nhorman@tuxdriver.com
D: SCTP protocol maintainer.

N: Simon Horman
M: horms@verge.net.au
D: Renesas ARM/ARM64 SoC maintainer
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@@ -18,7 +18,6 @@ Block
   kyber-iosched
   null_blk
   pr
   request
   stat
   switching-sched
   writeback_cache_control

Documentation/block/request.rst

deleted100644 → 0
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============================
struct request documentation
============================

Jens Axboe <jens.axboe@oracle.com> 27/05/02


.. FIXME:
   No idea about what does mean - seems just some noise, so comment it

   1.0
   Index

   2.0 Struct request members classification

       2.1 struct request members explanation

   3.0


   2.0



Short explanation of request members
====================================

Classification flags:

	=	====================
	D	driver member
	B	block layer member
	I	I/O scheduler member
	=	====================

Unless an entry contains a D classification, a device driver must not access
this member. Some members may contain D classifications, but should only be
access through certain macros or functions (eg ->flags).

<linux/blkdev.h>

=============================== ======= =======================================
Member				Flag	Comment
=============================== ======= =======================================
struct list_head queuelist	BI	Organization on various internal
					queues

``void *elevator_private``	I	I/O scheduler private data

unsigned char cmd[16]		D	Driver can use this for setting up
					a cdb before execution, see
					blk_queue_prep_rq

unsigned long flags		DBI	Contains info about data direction,
					request type, etc.

int rq_status			D	Request status bits

kdev_t rq_dev			DBI	Target device

int errors			DB	Error counts

sector_t sector			DBI	Target location

unsigned long hard_nr_sectors	B	Used to keep sector sane

unsigned long nr_sectors	DBI	Total number of sectors in request

unsigned long hard_nr_sectors	B	Used to keep nr_sectors sane

unsigned short nr_phys_segments	DB	Number of physical scatter gather
					segments in a request

unsigned short nr_hw_segments	DB	Number of hardware scatter gather
					segments in a request

unsigned int current_nr_sectors	DB	Number of sectors in first segment
					of request

unsigned int hard_cur_sectors	B	Used to keep current_nr_sectors sane

int tag				DB	TCQ tag, if assigned

``void *special``		D	Free to be used by driver

``char *buffer``		D	Map of first segment, also see
					section on bouncing SECTION

``struct completion *waiting``	D	Can be used by driver to get signalled
					on request completion

``struct bio *bio``		DBI	First bio in request

``struct bio *biotail``		DBI	Last bio in request

``struct request_queue *q``	DB	Request queue this request belongs to

``struct request_list *rl``	B	Request list this request came from
=============================== ======= =======================================
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@@ -49,6 +49,7 @@ properties:

        properties:
          data-lanes:
            minItems: 1
            maxItems: 2

        required:
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