Commit 14c2b896 authored by Leon Romanovsky's avatar Leon Romanovsky Committed by Jason Gunthorpe
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RDMA/core: Delete not-used create RWQ table function 

The RWQ table is used for RSS uverbs and not in used for the kernel
consumers, delete ib_create_rwq_ind_table() routine that is not
called at all.

Link: https://lore.kernel.org/r/20200624105422.1452290-5-leon@kernel.org


Signed-off-by: default avatarLeon Romanovsky <leonro@mellanox.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@nvidia.com>
parent 5611074a

drivers/infiniband/core/verbs.c

+0 −39
Original line number Diff line number Diff line
@@ -2409,45 +2409,6 @@ int ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, 
}

EXPORT_SYMBOL(ib_modify_wq);



/*

 * ib_create_rwq_ind_table - Creates a RQ Indirection Table.

 * @device: The device on which to create the rwq indirection table.

 * @ib_rwq_ind_table_init_attr: A list of initial attributes required to

 * create the Indirection Table.

 *

 * Note: The life time of ib_rwq_ind_table_init_attr->ind_tbl is not less

 *	than the created ib_rwq_ind_table object and the caller is responsible

 *	for its memory allocation/free.

 */

struct ib_rwq_ind_table *ib_create_rwq_ind_table(struct ib_device *device,

						 struct ib_rwq_ind_table_init_attr *init_attr)

{

	struct ib_rwq_ind_table *rwq_ind_table;

	int i;

	u32 table_size;



	if (!device->ops.create_rwq_ind_table)

		return ERR_PTR(-EOPNOTSUPP);



	table_size = (1 << init_attr->log_ind_tbl_size);

	rwq_ind_table = device->ops.create_rwq_ind_table(device,

							 init_attr, NULL);

	if (IS_ERR(rwq_ind_table))

		return rwq_ind_table;



	rwq_ind_table->ind_tbl = init_attr->ind_tbl;

	rwq_ind_table->log_ind_tbl_size = init_attr->log_ind_tbl_size;

	rwq_ind_table->device = device;

	rwq_ind_table->uobject = NULL;

	atomic_set(&rwq_ind_table->usecnt, 0);



	for (i = 0; i < table_size; i++)

		atomic_inc(&rwq_ind_table->ind_tbl[i]->usecnt);



	return rwq_ind_table;

}

EXPORT_SYMBOL(ib_create_rwq_ind_table);



/*

 * ib_destroy_rwq_ind_table - Destroys the specified Indirection Table.

 * @wq_ind_table: The Indirection Table to destroy.

include/rdma/ib_verbs.h

+0 −3
Original line number Diff line number Diff line
@@ -4422,9 +4422,6 @@ struct ib_wq *ib_create_wq(struct ib_pd *pd, 
int ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata);

int ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *attr,

		 u32 wq_attr_mask);

struct ib_rwq_ind_table *ib_create_rwq_ind_table(struct ib_device *device,

						 struct ib_rwq_ind_table_init_attr*

						 wq_ind_table_init_attr);

int ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *wq_ind_table);



int ib_map_mr_sg(struct ib_mr *mr, struct scatterlist *sg, int sg_nents,