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block: introduce blk_rq_is_passthrough

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This can be used to check for fs vs non-fs requests and basically
removes all knowledge of BLOCK_PC specific from the block layer,
as well as preparing for removing the cmd_type field in struct request.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Christoph Hellwig
2017-01-31 16:57:29 +01:00
committed by Jens Axboe
parent 09fc54ccc4
commit 57292b58dd
21 changed files with 59 additions and 53 deletions
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2
drivers/scsi/scsi.c
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@@ -238,7 +238,7 @@ void scsi_finish_command(struct scsi_cmnd *cmd)
"(result %x)\n", cmd->result));
good_bytes = scsi_bufflen(cmd);
if (cmd->request->cmd_type != REQ_TYPE_BLOCK_PC) {
if (!blk_rq_is_passthrough(cmd->request)) {
int old_good_bytes = good_bytes;
drv = scsi_cmd_to_driver(cmd);
if (drv->done)