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| author | Mike Christie <mchristi@redhat.com> | 2016-06-05 14:32:23 -0500 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2016-06-07 13:41:38 -0600 |
| commit | 3a5e02ced11e22ecd9da3d6710afe15bcfee1d10 (patch) | |
| tree | 78f6d1a737b01b559b61310b9355f1f7ecfdd54c /drivers/scsi/sd.c | |
| parent | 4e1b2d52a80d79296a5d899d73249748dea71a53 (diff) | |
| download | lwn-3a5e02ced11e22ecd9da3d6710afe15bcfee1d10.tar.gz lwn-3a5e02ced11e22ecd9da3d6710afe15bcfee1d10.zip | |
block, drivers: add REQ_OP_FLUSH operation
This adds a REQ_OP_FLUSH operation that is sent to request_fn
based drivers by the block layer's flush code, instead of
sending requests with the request->cmd_flags REQ_FLUSH bit set.
Signed-off-by: Mike Christie <mchristi@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/scsi/sd.c')
| -rw-r--r-- | drivers/scsi/sd.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index fad86ad89e64..5a9db0fe1ee0 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1143,12 +1143,11 @@ static int sd_init_command(struct scsi_cmnd *cmd) return sd_setup_discard_cmnd(cmd); case REQ_OP_WRITE_SAME: return sd_setup_write_same_cmnd(cmd); + case REQ_OP_FLUSH: + return sd_setup_flush_cmnd(cmd); case REQ_OP_READ: case REQ_OP_WRITE: - if (rq->cmd_flags & REQ_FLUSH) - return sd_setup_flush_cmnd(cmd); - else - return sd_setup_read_write_cmnd(cmd); + return sd_setup_read_write_cmnd(cmd); default: BUG(); } |