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blk-mq: Drop 'reserved' arg of busy_tag_iter_fn 

We no longer use the 'reserved' arg in busy_tag_iter_fn for any iter
function so it may be dropped.

Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me> #nvme
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/1657109034-206040-6-git-send-email-john.garry@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
John Garry 2022-07-06 20:03:53 +08:00 committed by Jens Axboe
parent 1263c1929f
commit 2dd6532e95
16 changed files with 33 additions and 52 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
block/blk-mq-debugfs.c
View File

@ -375,7 +375,7 @@ struct show_busy_params {
* e.g. due to a concurrent blk_mq_finish_request() call. Returns true to
* keep iterating requests.
*/
static bool hctx_show_busy_rq(struct request *rq, void *data, bool reserved)
static bool hctx_show_busy_rq(struct request *rq, void *data)
{
const struct show_busy_params *params = data;

7
block/blk-mq-tag.c
View File

@ -283,7 +283,7 @@ static bool bt_iter(struct sbitmap *bitmap, unsigned int bitnr, void *data)
return true;
if (rq->q == q && (!hctx || rq->mq_hctx == hctx))
ret = iter_data->fn(rq, iter_data->data, reserved);
ret = iter_data->fn(rq, iter_data->data);
blk_mq_put_rq_ref(rq);
return ret;
}
@ -354,7 +354,7 @@ static bool bt_tags_iter(struct sbitmap *bitmap, unsigned int bitnr, void *data)
if (!(iter_data->flags & BT_TAG_ITER_STARTED) ||
blk_mq_request_started(rq))
ret = iter_data->fn(rq, iter_data->data, reserved);
ret = iter_data->fn(rq, iter_data->data);
if (!iter_static_rqs)
blk_mq_put_rq_ref(rq);
return ret;
@ -444,8 +444,7 @@ void blk_mq_tagset_busy_iter(struct blk_mq_tag_set *tagset,
}
EXPORT_SYMBOL(blk_mq_tagset_busy_iter);
static bool blk_mq_tagset_count_completed_rqs(struct request *rq,
void *data, bool reserved)
static bool blk_mq_tagset_count_completed_rqs(struct request *rq, void *data)
{
unsigned *count = data;

10
block/blk-mq.c
View File

@ -129,8 +129,7 @@ struct mq_inflight {
unsigned int inflight[2];
};
static bool blk_mq_check_inflight(struct request *rq, void *priv,
bool reserved)
static bool blk_mq_check_inflight(struct request *rq, void *priv)
{
struct mq_inflight *mi = priv;
@ -1400,8 +1399,7 @@ void blk_mq_delay_kick_requeue_list(struct request_queue *q,
}
EXPORT_SYMBOL(blk_mq_delay_kick_requeue_list);
static bool blk_mq_rq_inflight(struct request *rq, void *priv,
bool reserved)
static bool blk_mq_rq_inflight(struct request *rq, void *priv)
{
/*
* If we find a request that isn't idle we know the queue is busy
@ -1470,7 +1468,7 @@ void blk_mq_put_rq_ref(struct request *rq)
__blk_mq_free_request(rq);
}
static bool blk_mq_check_expired(struct request *rq, void *priv, bool reserved)
static bool blk_mq_check_expired(struct request *rq, void *priv)
{
unsigned long *next = priv;
@ -3289,7 +3287,7 @@ struct rq_iter_data {
bool has_rq;
};
static bool blk_mq_has_request(struct request *rq, void *data, bool reserved)
static bool blk_mq_has_request(struct request *rq, void *data)
{
struct rq_iter_data *iter_data = data;

4
drivers/block/mtip32xx/mtip32xx.c
View File

@ -2441,7 +2441,7 @@ static void mtip_softirq_done_fn(struct request *rq)
blk_mq_end_request(rq, cmd->status);
}
static bool mtip_abort_cmd(struct request *req, void *data, bool reserved)
static bool mtip_abort_cmd(struct request *req, void *data)
{
struct mtip_cmd *cmd = blk_mq_rq_to_pdu(req);
struct driver_data *dd = data;
@ -2454,7 +2454,7 @@ static bool mtip_abort_cmd(struct request *req, void *data, bool reserved)
return true;
}
static bool mtip_queue_cmd(struct request *req, void *data, bool reserved)
static bool mtip_queue_cmd(struct request *req, void *data)
{
struct driver_data *dd = data;

2
drivers/block/nbd.c
View File

@ -879,7 +879,7 @@ static void recv_work(struct work_struct *work)
kfree(args);
}
static bool nbd_clear_req(struct request *req, void *data, bool reserved)
static bool nbd_clear_req(struct request *req, void *data)
{
struct nbd_cmd *cmd = blk_mq_rq_to_pdu(req);

3
drivers/infiniband/ulp/srp/ib_srp.c
View File

@ -1282,8 +1282,7 @@ struct srp_terminate_context {
int scsi_result;
};
static bool srp_terminate_cmd(struct scsi_cmnd *scmnd, void *context_ptr,
bool reserved)
static bool srp_terminate_cmd(struct scsi_cmnd *scmnd, void *context_ptr)
{
struct srp_terminate_context *context = context_ptr;
struct srp_target_port *target = context->srp_target;

2
drivers/nvme/host/core.c
View File

@ -418,7 +418,7 @@ blk_status_t nvme_host_path_error(struct request *req)
}
EXPORT_SYMBOL_GPL(nvme_host_path_error);
bool nvme_cancel_request(struct request *req, void *data, bool reserved)
bool nvme_cancel_request(struct request *req, void *data)
{
dev_dbg_ratelimited(((struct nvme_ctrl *) data)->device,
"Cancelling I/O %d", req->tag);

3
drivers/nvme/host/fc.c
View File

@ -2456,8 +2456,7 @@ nvme_fc_nvme_ctrl_freed(struct nvme_ctrl *nctrl)
* status. The done path will return the io request back to the block
* layer with an error status.
*/
static bool
nvme_fc_terminate_exchange(struct request *req, void *data, bool reserved)
static bool nvme_fc_terminate_exchange(struct request *req, void *data)
{
struct nvme_ctrl *nctrl = data;
struct nvme_fc_ctrl *ctrl = to_fc_ctrl(nctrl);

2
drivers/nvme/host/nvme.h
View File

@ -697,7 +697,7 @@ static __always_inline void nvme_complete_batch(struct io_comp_batch *iob,
}
blk_status_t nvme_host_path_error(struct request *req);
bool nvme_cancel_request(struct request *req, void *data, bool reserved);
bool nvme_cancel_request(struct request *req, void *data);
void nvme_cancel_tagset(struct nvme_ctrl *ctrl);
void nvme_cancel_admin_tagset(struct nvme_ctrl *ctrl);
bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl,

2
drivers/scsi/aacraid/comminit.c
View File

@ -272,7 +272,7 @@ static void aac_queue_init(struct aac_dev * dev, struct aac_queue * q, u32 *mem,
q->entries = qsize;
}
static bool wait_for_io_iter(struct scsi_cmnd *cmd, void *data, bool rsvd)
static bool wait_for_io_iter(struct scsi_cmnd *cmd, void *data)
{
int *active = data;

2
drivers/scsi/aacraid/linit.c
View File

@ -633,7 +633,7 @@ struct fib_count_data {
int krlcnt;
};
static bool fib_count_iter(struct scsi_cmnd *scmnd, void *data, bool reserved)
static bool fib_count_iter(struct scsi_cmnd *scmnd, void *data)
{
struct fib_count_data *fib_count = data;

12
drivers/scsi/fnic/fnic_scsi.c
View File

@ -1350,8 +1350,7 @@ int fnic_wq_copy_cmpl_handler(struct fnic *fnic, int copy_work_to_do)
return wq_work_done;
}
static bool fnic_cleanup_io_iter(struct scsi_cmnd *sc, void *data,
bool reserved)
static bool fnic_cleanup_io_iter(struct scsi_cmnd *sc, void *data)
{
const int tag = scsi_cmd_to_rq(sc)->tag;
struct fnic *fnic = data;
@ -1548,8 +1547,7 @@ struct fnic_rport_abort_io_iter_data {
int term_cnt;
};
static bool fnic_rport_abort_io_iter(struct scsi_cmnd *sc, void *data,
bool reserved)
static bool fnic_rport_abort_io_iter(struct scsi_cmnd *sc, void *data)
{
struct fnic_rport_abort_io_iter_data *iter_data = data;
struct fnic *fnic = iter_data->fnic;
@ -2003,8 +2001,7 @@ struct fnic_pending_aborts_iter_data {
int ret;
};
static bool fnic_pending_aborts_iter(struct scsi_cmnd *sc,
void *data, bool reserved)
static bool fnic_pending_aborts_iter(struct scsi_cmnd *sc, void *data)
{
struct fnic_pending_aborts_iter_data *iter_data = data;
struct fnic *fnic = iter_data->fnic;
@ -2668,8 +2665,7 @@ call_fc_exch_mgr_reset:
}
static bool fnic_abts_pending_iter(struct scsi_cmnd *sc, void *data,
bool reserved)
static bool fnic_abts_pending_iter(struct scsi_cmnd *sc, void *data)
{
struct fnic_pending_aborts_iter_data *iter_data = data;
struct fnic *fnic = iter_data->fnic;

14
drivers/scsi/hosts.c
View File

@ -566,8 +566,7 @@ struct Scsi_Host *scsi_host_get(struct Scsi_Host *shost)
}
EXPORT_SYMBOL(scsi_host_get);
static bool scsi_host_check_in_flight(struct request *rq, void *data,
bool reserved)
static bool scsi_host_check_in_flight(struct request *rq, void *data)
{
int *count = data;
struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(rq);
@ -662,7 +661,7 @@ void scsi_flush_work(struct Scsi_Host *shost)
}
EXPORT_SYMBOL_GPL(scsi_flush_work);
static bool complete_all_cmds_iter(struct request *rq, void *data, bool rsvd)
static bool complete_all_cmds_iter(struct request *rq, void *data)
{
struct scsi_cmnd *scmd = blk_mq_rq_to_pdu(rq);
enum scsi_host_status status = *(enum scsi_host_status *)data;
@ -693,17 +692,16 @@ void scsi_host_complete_all_commands(struct Scsi_Host *shost,
EXPORT_SYMBOL_GPL(scsi_host_complete_all_commands);
struct scsi_host_busy_iter_data {
bool (*fn)(struct scsi_cmnd *, void *, bool);
bool (*fn)(struct scsi_cmnd *, void *);
void *priv;
};
static bool __scsi_host_busy_iter_fn(struct request *req, void *priv,
bool reserved)
static bool __scsi_host_busy_iter_fn(struct request *req, void *priv)
{
struct scsi_host_busy_iter_data *iter_data = priv;
struct scsi_cmnd *sc = blk_mq_rq_to_pdu(req);
return iter_data->fn(sc, iter_data->priv, reserved);
return iter_data->fn(sc, iter_data->priv);
}
/**
@ -716,7 +714,7 @@ static bool __scsi_host_busy_iter_fn(struct request *req, void *priv,
* ithas to be provided by the caller
**/
void scsi_host_busy_iter(struct Scsi_Host *shost,
bool (*fn)(struct scsi_cmnd *, void *, bool),
bool (*fn)(struct scsi_cmnd *, void *),
void *priv)
{
struct scsi_host_busy_iter_data iter_data = {

16
drivers/scsi/mpi3mr/mpi3mr_os.c
View File

@ -381,14 +381,12 @@ void mpi3mr_invalidate_devhandles(struct mpi3mr_ioc *mrioc)
* mpi3mr_print_scmd - print individual SCSI command
* @rq: Block request
* @data: Adapter instance reference
* @reserved: N/A. Currently not used
*
* Print the SCSI command details if it is in LLD scope.
*
* Return: true always.
*/
static bool mpi3mr_print_scmd(struct request *rq,
void *data, bool reserved)
static bool mpi3mr_print_scmd(struct request *rq, void *data)
{
struct mpi3mr_ioc *mrioc = (struct mpi3mr_ioc *)data;
struct scsi_cmnd *scmd = blk_mq_rq_to_pdu(rq);
@ -412,7 +410,6 @@ out:
* mpi3mr_flush_scmd - Flush individual SCSI command
* @rq: Block request
* @data: Adapter instance reference
* @reserved: N/A. Currently not used
*
* Return the SCSI command to the upper layers if it is in LLD
* scope.
@ -420,8 +417,7 @@ out:
* Return: true always.
*/
static bool mpi3mr_flush_scmd(struct request *rq,
void *data, bool reserved)
static bool mpi3mr_flush_scmd(struct request *rq, void *data)
{
struct mpi3mr_ioc *mrioc = (struct mpi3mr_ioc *)data;
struct scsi_cmnd *scmd = blk_mq_rq_to_pdu(rq);
@ -451,7 +447,6 @@ out:
* mpi3mr_count_dev_pending - Count commands pending for a lun
* @rq: Block request
* @data: SCSI device reference
* @reserved: Unused
*
* This is an iterator function called for each SCSI command in
* a host and if the command is pending in the LLD for the
@ -461,8 +456,7 @@ out:
* Return: true always.
*/
static bool mpi3mr_count_dev_pending(struct request *rq,
void *data, bool reserved)
static bool mpi3mr_count_dev_pending(struct request *rq, void *data)
{
struct scsi_device *sdev = (struct scsi_device *)data;
struct mpi3mr_sdev_priv_data *sdev_priv_data = sdev->hostdata;
@ -485,7 +479,6 @@ out:
* mpi3mr_count_tgt_pending - Count commands pending for target
* @rq: Block request
* @data: SCSI target reference
* @reserved: Unused
*
* This is an iterator function called for each SCSI command in
* a host and if the command is pending in the LLD for the
@ -495,8 +488,7 @@ out:
* Return: true always.
*/
static bool mpi3mr_count_tgt_pending(struct request *rq,
void *data, bool reserved)
static bool mpi3mr_count_tgt_pending(struct request *rq, void *data)
{
struct scsi_target *starget = (struct scsi_target *)data;
struct mpi3mr_stgt_priv_data *stgt_priv_data = starget->hostdata;

2
include/linux/blk-mq.h
View File

@ -520,7 +520,7 @@ struct blk_mq_queue_data {
bool last;
};
typedef bool (busy_tag_iter_fn)(struct request *, void *, bool);
typedef bool (busy_tag_iter_fn)(struct request *, void *);
/**
* struct blk_mq_ops - Callback functions that implements block driver

2
include/scsi/scsi_host.h
View File

@ -786,7 +786,7 @@ extern int scsi_host_block(struct Scsi_Host *shost);
extern int scsi_host_unblock(struct Scsi_Host *shost, int new_state);
void scsi_host_busy_iter(struct Scsi_Host *,
bool (*fn)(struct scsi_cmnd *, void *, bool), void *priv);
bool (*fn)(struct scsi_cmnd *, void *), void *priv);
struct class_container;