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[SCSI] iscsi bugfixes: fix oops when iser is flushing io

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When we enter recovery and flush the running commands
we cannot freee the connection before flushing the commands.
Some commands may have a reference to the connection
that needs to be released before. iscsi_stop was forcing
the term and suspend too early and was causing a oops
in iser, so this patch removes those callbacks all together
and allows the LLD to handle that detail.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Mike Christie
2006-07-24 15:47:26 -05:00
committed by James Bottomley
parent 7ea8b82847
commit 1c83469d36
4 changed files with 34 additions and 71 deletions
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12
drivers/scsi/libiscsi.c
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@@ -1440,12 +1440,6 @@ void iscsi_conn_teardown(struct iscsi_cls_conn *cls_conn)
set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx);
mutex_lock(&conn->xmitmutex);
if (conn->c_stage == ISCSI_CONN_INITIAL_STAGE) {
if (session->tt->suspend_conn_recv)
session->tt->suspend_conn_recv(conn);
session->tt->terminate_conn(conn);
}
spin_lock_bh(&session->lock);
conn->c_stage = ISCSI_CONN_CLEANUP_WAIT;
@@ -1622,8 +1616,9 @@ static void iscsi_start_session_recovery(struct iscsi_session *session,
set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx);
spin_unlock_bh(&session->lock);
if (session->tt->suspend_conn_recv)
session->tt->suspend_conn_recv(conn);
write_lock_bh(conn->recv_lock);
set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_rx);
write_unlock_bh(conn->recv_lock);
mutex_lock(&conn->xmitmutex);
/*
@@ -1642,7 +1637,6 @@ static void iscsi_start_session_recovery(struct iscsi_session *session,
}
}
session->tt->terminate_conn(conn);
/*
* flush queues.
*/