kernel/linux.git/drivers/ide/ide-atapi.c, branch v4.11.5

block: fold cmd_type into the REQ_OP_ space

2017-01-31T21:00:44+00:00

Instead of keeping two levels of indirection for requests types, fold it all into the operations. The little caveat here is that previously cmd_type only applied to struct request, while the request and bio op fields were set to plain REQ_OP_READ/WRITE even for passthrough operations. Instead this patch adds new REQ_OP_* for SCSI passthrough and driver private requests, althought it has to add two for each so that we can communicate the data in/out nature of the request. Signed-off-by: Christoph Hellwig Signed-off-by: Jens Axboe

ide: don't abuse cmd_type

2017-01-31T21:00:39+00:00

Currently the legacy ide driver defines several request types of it's own, which is in the way of removing that field entirely. Instead add a type field to struct ide_request and use that to distinguish the different types of IDE-internal requests. It's a bit of a mess, but so is the surrounding code.. Signed-off-by: Christoph Hellwig Acked-by: David S. Miller Signed-off-by: Jens Axboe

block: split scsi_request out of struct request

2017-01-27T22:08:35+00:00

And require all drivers that want to support BLOCK_PC to allocate it as the first thing of their private data. To support this the legacy IDE and BSG code is switched to set cmd_size on their queues to let the block layer allocate the additional space. Signed-off-by: Christoph Hellwig Signed-off-by: Jens Axboe

block: split out request-only flags into a new namespace

2016-10-28T14:45:17+00:00

A lot of the REQ_* flags are only used on struct requests, and only of use to the block layer and a few drivers that dig into struct request internals. This patch adds a new req_flags_t rq_flags field to struct request for them, and thus dramatically shrinks the number of common requests. It also removes the unfortunate situation where we have to fit the fields from the same enum into 32 bits for struct bio and 64 bits for struct request. Signed-off-by: Christoph Hellwig Reviewed-by: Shaun Tancheff Signed-off-by: Jens Axboe

mm, page_alloc: rename __GFP_WAIT to __GFP_RECLAIM

2015-11-07T01:50:42+00:00

__GFP_WAIT was used to signal that the caller was in atomic context and could not sleep. Now it is possible to distinguish between true atomic context and callers that are not willing to sleep. The latter should clear __GFP_DIRECT_RECLAIM so kswapd will still wake. As clearing __GFP_WAIT behaves differently, there is a risk that people will clear the wrong flags. This patch renames __GFP_WAIT to __GFP_RECLAIM to clearly indicate what it does -- setting it allows all reclaim activity, clearing them prevents it. [akpm@linux-foundation.org: fix build] [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Mel Gorman Acked-by: Michal Hocko Acked-by: Vlastimil Babka Acked-by: Johannes Weiner Cc: Christoph Lameter Acked-by: David Rientjes Cc: Vitaly Wool Cc: Rik van Riel Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

block: move REQ_TYPE_SENSE to the ide driver

2015-05-05T19:40:07+00:00

Signed-off-by: Christoph Hellwig Signed-off-by: Jens Axboe

block: rename REQ_TYPE_SPECIAL to REQ_TYPE_DRV_PRIV

2015-05-05T19:40:03+00:00

Signed-off-by: Christoph Hellwig Signed-off-by: Jens Axboe

ide/ata: Add export.h for EXPORT_SYMBOL/THIS_MODULE where needed

2011-10-31T23:31:37+00:00

They were getting this implicitly by an include of module.h from device.h -- but we are going to clean that up and break that include chain, so include export.h explicitly now. Signed-off-by: Paul Gortmaker

block: remove per-queue plugging

2011-03-10T07:52:07+00:00

Code has been converted over to the new explicit on-stack plugging, and delay users have been converted to use the new API for that. So lets kill off the old plugging along with aops->sync_page(). Signed-off-by: Jens Axboe

block: fix some more cmd_type cleanup fallout

2010-08-07T16:22:29+00:00

Signed-off-by: Christoph Hellwig Signed-off-by: Jens Axboe