diff options
| author | Christoph Hellwig <hch@lst.de> | 2017-01-02 21:55:26 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-01-28 01:08:35 +0300 |
| commit | e9c787e65c0c36529745be47d490d998b4b6e589 (patch) | |
| tree | 6306a74b913ad810f8583a20bac911ff1ca516f5 /drivers/scsi/hosts.c | |
| parent | d48777a633d6fa7ccde0f0e6509f0c01fbfc5299 (diff) | |
| download | linux-e9c787e65c0c36529745be47d490d998b4b6e589.tar.xz | |
scsi: allocate scsi_cmnd structures as part of struct request
Rely on the new block layer functionality to allocate additional driver
specific data behind struct request instead of implementing it in SCSI
itѕelf.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/scsi/hosts.c')
| -rw-r--r-- | drivers/scsi/hosts.c | 20 |
1 files changed, 2 insertions, 18 deletions
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c index 6d29c4ad9b15..831a1c8b9f89 100644 --- a/drivers/scsi/hosts.c +++ b/drivers/scsi/hosts.c @@ -230,19 +230,6 @@ int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev, } } - /* - * Note that we allocate the freelist even for the MQ case for now, - * as we need a command set aside for scsi_reset_provider. Having - * the full host freelist and one command available for that is a - * little heavy-handed, but avoids introducing a special allocator - * just for this. Eventually the structure of scsi_reset_provider - * will need a major overhaul. - */ - error = scsi_setup_command_freelist(shost); - if (error) - goto out_destroy_tags; - - if (!shost->shost_gendev.parent) shost->shost_gendev.parent = dev ? dev : &platform_bus; if (!dma_dev) @@ -262,7 +249,7 @@ int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev, error = device_add(&shost->shost_gendev); if (error) - goto out_destroy_freelist; + goto out_disable_runtime_pm; scsi_host_set_state(shost, SHOST_RUNNING); get_device(shost->shost_gendev.parent); @@ -312,13 +299,11 @@ int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev, device_del(&shost->shost_dev); out_del_gendev: device_del(&shost->shost_gendev); - out_destroy_freelist: + out_disable_runtime_pm: device_disable_async_suspend(&shost->shost_gendev); pm_runtime_disable(&shost->shost_gendev); pm_runtime_set_suspended(&shost->shost_gendev); pm_runtime_put_noidle(&shost->shost_gendev); - scsi_destroy_command_freelist(shost); - out_destroy_tags: if (shost_use_blk_mq(shost)) scsi_mq_destroy_tags(shost); fail: @@ -359,7 +344,6 @@ static void scsi_host_dev_release(struct device *dev) kfree(dev_name(&shost->shost_dev)); } - scsi_destroy_command_freelist(shost); if (shost_use_blk_mq(shost)) { if (shost->tag_set.tags) scsi_mq_destroy_tags(shost); |