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authorLinus Torvalds <torvalds@linux-foundation.org>2012-03-22 12:55:29 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-22 12:55:29 -0700
commit424a6f6ef990b7e9f56f6627bfc6c46b493faeb4 (patch)
tree0028356ed8003495fbbe1f716f359e3c8ebc35b6 /drivers/scsi/libiscsi_tcp.c
parent1ab142d499294b844ecc81e8004db4ce029b0b61 (diff)
parentcd8df932d894f3128c884e3ae1b2b484540513db (diff)
downloadlinux-424a6f6ef990b7e9f56f6627bfc6c46b493faeb4.tar.bz2
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
SCSI updates from James Bottomley: "The update includes the usual assortment of driver updates (lpfc, qla2xxx, qla4xxx, bfa, bnx2fc, bnx2i, isci, fcoe, hpsa) plus a huge amount of infrastructure work in the SAS library and transport class as well as an iSCSI update. There's also a new SCSI based virtio driver." * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (177 commits) [SCSI] qla4xxx: Update driver version to 5.02.00-k15 [SCSI] qla4xxx: trivial cleanup [SCSI] qla4xxx: Fix sparse warning [SCSI] qla4xxx: Add support for multiple session per host. [SCSI] qla4xxx: Export CHAP index as sysfs attribute [SCSI] scsi_transport: Export CHAP index as sysfs attribute [SCSI] qla4xxx: Add support to display CHAP list and delete CHAP entry [SCSI] iscsi_transport: Add support to display CHAP list and delete CHAP entry [SCSI] pm8001: fix endian issue with code optimization. [SCSI] pm8001: Fix possible racing condition. [SCSI] pm8001: Fix bogus interrupt state flag issue. [SCSI] ipr: update PCI ID definitions for new adapters [SCSI] qla2xxx: handle default case in qla2x00_request_firmware() [SCSI] isci: improvements in driver unloading routine [SCSI] isci: improve phy event warnings [SCSI] isci: debug, provide state-enum-to-string conversions [SCSI] scsi_transport_sas: 'enable' phys on reset [SCSI] libsas: don't recover end devices attached to disabled phys [SCSI] libsas: fixup target_port_protocols for expanders that don't report sata [SCSI] libsas: set attached device type and target protocols for local phys ...
Diffstat (limited to 'drivers/scsi/libiscsi_tcp.c')
-rw-r--r--drivers/scsi/libiscsi_tcp.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/scsi/libiscsi_tcp.c b/drivers/scsi/libiscsi_tcp.c
index 7f0465b9623e..552e8a2b6f5f 100644
--- a/drivers/scsi/libiscsi_tcp.c
+++ b/drivers/scsi/libiscsi_tcp.c
@@ -1170,6 +1170,24 @@ void iscsi_tcp_r2tpool_free(struct iscsi_session *session)
}
EXPORT_SYMBOL_GPL(iscsi_tcp_r2tpool_free);
+int iscsi_tcp_set_max_r2t(struct iscsi_conn *conn, char *buf)
+{
+ struct iscsi_session *session = conn->session;
+ unsigned short r2ts = 0;
+
+ sscanf(buf, "%hu", &r2ts);
+ if (session->max_r2t == r2ts)
+ return 0;
+
+ if (!r2ts || !is_power_of_2(r2ts))
+ return -EINVAL;
+
+ session->max_r2t = r2ts;
+ iscsi_tcp_r2tpool_free(session);
+ return iscsi_tcp_r2tpool_alloc(session);
+}
+EXPORT_SYMBOL_GPL(iscsi_tcp_set_max_r2t);
+
void iscsi_tcp_conn_get_stats(struct iscsi_cls_conn *cls_conn,
struct iscsi_stats *stats)
{