Documentation/block: drop the request.rst file

Documentation/block/request.rst is outdated and should be removed.
Also delete its entry in the block/index.rst file.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: linux-block@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Link: https://lore.kernel.org/r/20230507182606.12647-1-rdunlap@infradead.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/Documentation/block/index.rst b/Documentation/block/index.rst
index 1029531..9fea696 100644 (file)
--- a/Documentation/block/index.rst
+++ b/Documentation/block/index.rst
@@ -18,7 +18,6 @@ Block
    kyber-iosched
    null_blk
    pr
-   request
    stat
    switching-sched
    writeback_cache_control

diff --git a/Documentation/block/request.rst b/Documentation/block/request.rst
deleted file mode 100644 (file)
index 747021e..0000000
--- a/Documentation/block/request.rst
+++ /dev/null
@@ -1,99 +0,0 @@
-============================
-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
-=============================== ======= =======================================