diff options
| author |   Bart Van Assche <bvanassche@acm.org> | 2011-09-16 20:41:13 +0200 |
|---|---|---|
| committer |   Roland Dreier <roland@purestorage.com> | 2012-11-30 17:40:33 -0800 |
| commit | dc1bdbd9b8a077018d82230bc378f1bcfd8adba8 (patch) | |
| tree | e6484d9d378a0bad8a4f7057ae29d4164b33278e /drivers/infiniband/ulp | |
| parent | srp_transport: Document sysfs attributes (diff) | |
| download | linux-dev-dc1bdbd9b8a077018d82230bc378f1bcfd8adba8.tar.xz linux-dev-dc1bdbd9b8a077018d82230bc378f1bcfd8adba8.zip | |
IB/srp: Allow SRP disconnect through sysfs
Make it possible to disconnect the IB RC connection used by the SRP
protocol to communicate with a target.
Have the SRP transport layer create a sysfs "delete" attribute for
initiator drivers that support this functionality.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: David Dillow <dillowda@ornl.gov>
Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Robert Jennings <rcj@linux.vnet.ibm.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/ulp')
| -rw-r--r-- | drivers/infiniband/ulp/srp/ib_srp.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index 84d9298ed989..d5088ce78290 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -549,6 +549,13 @@ static void srp_remove_work(struct work_struct *work) srp_remove_target(target); } +static void srp_rport_delete(struct srp_rport *rport) +{ + struct srp_target_port *target = rport->lld_data; + + srp_queue_remove_work(target); +} + static int srp_connect_target(struct srp_target_port *target) { int retries = 3; @@ -1958,6 +1965,8 @@ static int srp_add_target(struct srp_host *host, struct srp_target_port *target) return PTR_ERR(rport); } + rport->lld_data = target; + spin_lock(&host->target_lock); list_add_tail(&target->list, &host->target_list); spin_unlock(&host->target_lock); @@ -2524,6 +2533,7 @@ static void srp_remove_one(struct ib_device *device) } static struct srp_function_template ib_srp_transport_functions = { + .rport_delete = srp_rport_delete, }; static int __init srp_init_module(void) |