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blk-mq: Drop 'reserved' arg of busy_tag_iter_fn

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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
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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 @@ void fnic_exch_mgr_reset(struct fc_lport *lp, u32 sid, u32 did)
}
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 @@ static bool mpi3mr_print_scmd(struct request *rq,
* 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 @@ static bool mpi3mr_print_scmd(struct request *rq,
* 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 @@ static bool mpi3mr_flush_scmd(struct request *rq,
* 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 @@ static bool mpi3mr_flush_scmd(struct request *rq,
* 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 @@ static bool mpi3mr_count_dev_pending(struct request *rq,
* 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 @@ static bool mpi3mr_count_dev_pending(struct request *rq,
* 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;