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IB/iser: Have iSER data transaction object point to iSER conn

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iSER uses a data transaction object (struct iser_dto) as part
of its IB data descriptors (struct iser_desc) management.
It also uses a hierarchy of connection structures pointing to
each other. A DTO may exist even after the iscsi_iser connection
pointed by it is destroyed (eg one that is bound to a post
receive buffer which was flushed by the IB HW). Hence DTOs need
point to the lowest connection, which is struct iser_conn.

Signed-off-by: Erez Zilber <erezz@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Erez Zilber
2006-09-27 15:27:10 +03:00
committed by Roland Dreier
parent ee30cb5b0b
commit 87e8df7a27
4 changed files with 14 additions and 9 deletions
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8
drivers/infiniband/ulp/iser/iser_verbs.c
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@ -571,6 +571,8 @@ void iser_conn_release(struct iser_conn *ib_conn)
/* on EVENT_ADDR_ERROR there's no device yet for this conn */
if (device != NULL)
iser_device_try_release(device);
if (ib_conn->iser_conn)
ib_conn->iser_conn->ib_conn = NULL;
kfree(ib_conn);
}
@ -694,7 +696,7 @@ int iser_post_recv(struct iser_desc *rx_desc)
struct iser_dto *recv_dto = &rx_desc->dto;
/* Retrieve conn */
ib_conn = recv_dto->conn->ib_conn;
ib_conn = recv_dto->ib_conn;
iser_dto_to_iov(recv_dto, iov, 2);
@ -727,7 +729,7 @@ int iser_post_send(struct iser_desc *tx_desc)
struct iser_conn *ib_conn;
struct iser_dto *dto = &tx_desc->dto;
ib_conn = dto->conn->ib_conn;
ib_conn = dto->ib_conn;
iser_dto_to_iov(dto, iov, MAX_REGD_BUF_VECTOR_LEN);
@ -774,7 +776,7 @@ static void iser_comp_error_worker(void *data)
static void iser_handle_comp_error(struct iser_desc *desc)
{
struct iser_dto *dto = &desc->dto;
struct iser_conn *ib_conn = dto->conn->ib_conn;
struct iser_conn *ib_conn = dto->ib_conn;
iser_dto_buffs_release(dto);