Release 4.7 drivers/infiniband/core/mr_pool.c
/*
* Copyright (c) 2016 HGST, a Western Digital Company.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#include <rdma/ib_verbs.h>
#include <rdma/mr_pool.h>
struct ib_mr *ib_mr_pool_get(struct ib_qp *qp, struct list_head *list)
{
struct ib_mr *mr;
unsigned long flags;
spin_lock_irqsave(&qp->mr_lock, flags);
mr = list_first_entry_or_null(list, struct ib_mr, qp_entry);
if (mr) {
list_del(&mr->qp_entry);
qp->mrs_used++;
}
spin_unlock_irqrestore(&qp->mr_lock, flags);
return mr;
}
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| Person | Tokens | Prop | Commits | CommitProp |
| christoph hellwig | christoph hellwig | 80 | 100.00% | 1 | 100.00% |
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EXPORT_SYMBOL(ib_mr_pool_get);
void ib_mr_pool_put(struct ib_qp *qp, struct list_head *list, struct ib_mr *mr)
{
unsigned long flags;
spin_lock_irqsave(&qp->mr_lock, flags);
list_add(&mr->qp_entry, list);
qp->mrs_used--;
spin_unlock_irqrestore(&qp->mr_lock, flags);
}
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| Person | Tokens | Prop | Commits | CommitProp |
| christoph hellwig | christoph hellwig | 59 | 100.00% | 1 | 100.00% |
| Total | 59 | 100.00% | 1 | 100.00% |
EXPORT_SYMBOL(ib_mr_pool_put);
int ib_mr_pool_init(struct ib_qp *qp, struct list_head *list, int nr,
enum ib_mr_type type, u32 max_num_sg)
{
struct ib_mr *mr;
unsigned long flags;
int ret, i;
for (i = 0; i < nr; i++) {
mr = ib_alloc_mr(qp->pd, type, max_num_sg);
if (IS_ERR(mr)) {
ret = PTR_ERR(mr);
goto out;
}
spin_lock_irqsave(&qp->mr_lock, flags);
list_add_tail(&mr->qp_entry, list);
spin_unlock_irqrestore(&qp->mr_lock, flags);
}
return 0;
out:
ib_mr_pool_destroy(qp, list);
return ret;
}
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| Person | Tokens | Prop | Commits | CommitProp |
| christoph hellwig | christoph hellwig | 131 | 100.00% | 1 | 100.00% |
| Total | 131 | 100.00% | 1 | 100.00% |
EXPORT_SYMBOL(ib_mr_pool_init);
void ib_mr_pool_destroy(struct ib_qp *qp, struct list_head *list)
{
struct ib_mr *mr;
unsigned long flags;
spin_lock_irqsave(&qp->mr_lock, flags);
while (!list_empty(list)) {
mr = list_first_entry(list, struct ib_mr, qp_entry);
list_del(&mr->qp_entry);
spin_unlock_irqrestore(&qp->mr_lock, flags);
ib_dereg_mr(mr);
spin_lock_irqsave(&qp->mr_lock, flags);
}
spin_unlock_irqrestore(&qp->mr_lock, flags);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| christoph hellwig | christoph hellwig | 99 | 100.00% | 1 | 100.00% |
| Total | 99 | 100.00% | 1 | 100.00% |
EXPORT_SYMBOL(ib_mr_pool_destroy);
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| christoph hellwig | christoph hellwig | 396 | 100.00% | 1 | 100.00% |
| Total | 396 | 100.00% | 1 | 100.00% |
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