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author | Mike Christie <michaelc@cs.wisc.edu> | 2008-05-21 15:54:00 -0500 |
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committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-07-12 08:22:16 -0500 |
commit | a4804cd6eb19318ae8d08ea967cfeaaf5c5b68a6 (patch) | |
tree | a69acbfdf4e3646ebb7583f0627b7b7952d13b10 /drivers/scsi/scsi_transport_iscsi.c | |
parent | 756135215ec743be6fdce2bdebe8cdb9f8a231f6 (diff) | |
download | linux-a4804cd6eb19318ae8d08ea967cfeaaf5c5b68a6.tar.gz linux-a4804cd6eb19318ae8d08ea967cfeaaf5c5b68a6.tar.bz2 linux-a4804cd6eb19318ae8d08ea967cfeaaf5c5b68a6.zip |
[SCSI] iscsi: add iscsi host helpers
This finishes the host/session unbinding, by adding some helpers
to add and remove hosts and the session they manage.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/scsi_transport_iscsi.c')
-rw-r--r-- | drivers/scsi/scsi_transport_iscsi.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index 9c00a157b485..6fdaa2ee6632 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -279,6 +279,24 @@ static int iscsi_is_session_dev(const struct device *dev) return dev->release == iscsi_session_release; } +static int iscsi_iter_session_fn(struct device *dev, void *data) +{ + void (* fn) (struct iscsi_cls_session *) = data; + + if (!iscsi_is_session_dev(dev)) + return 0; + fn(iscsi_dev_to_session(dev)); + return 0; +} + +void iscsi_host_for_each_session(struct Scsi_Host *shost, + void (*fn)(struct iscsi_cls_session *)) +{ + device_for_each_child(&shost->shost_gendev, fn, + iscsi_iter_session_fn); +} +EXPORT_SYMBOL_GPL(iscsi_host_for_each_session); + /** * iscsi_scan_finished - helper to report when running scans are done * @shost: scsi host @@ -1599,6 +1617,8 @@ iscsi_register_transport(struct iscsi_transport *tt) priv->daemon_pid = -1; priv->iscsi_transport = tt; priv->t.user_scan = iscsi_user_scan; + if (!(tt->caps & CAP_DATA_PATH_OFFLOAD)) + priv->t.create_work_queue = 1; priv->dev.class = &iscsi_transport_class; snprintf(priv->dev.bus_id, BUS_ID_SIZE, "%s", tt->name); |