diff options
| author | Ariel Nahum <arieln@mellanox.com> | 2014-07-31 14:27:47 +0400 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2014-08-02 02:10:04 +0400 |
| commit | 0a6907588a8b9bf1aa9ee84b809a1d49caea594a (patch) | |
| tree | e81a22d10d9deb7e5118953e11ffd95c0e1406ab /drivers/infiniband/ulp/iser/iscsi_iser.c | |
| parent | 2ea32938f3a702d08c5cc2cc9cb8b11235eaad8c (diff) | |
| download | linux-0a6907588a8b9bf1aa9ee84b809a1d49caea594a.tar.xz | |
IB/iser: Seperate iser_conn and iscsi_endpoint storage space
iser connection needs asynchronous cleanup completions which are
triggered in ep_disconnect. As a result we are keeping the
corresponding iscsi_endpoint structure hanging for no good reason. In
order to avoid that, we seperate iser_conn from iscsi_endpoint storage
space to have their destruction being independent.
iscsi_endpoint will be destroyed at ep_disconnect stage, while the
iser connection will wait for asynchronous completions to be released
in an orderly fashion.
Signed-off-by: Ariel Nahum <arieln@mellanox.com>
Signed-off-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/ulp/iser/iscsi_iser.c')
| -rw-r--r-- | drivers/infiniband/ulp/iser/iscsi_iser.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c index 1a53fd22aedf..d7acd4b62d6e 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.c +++ b/drivers/infiniband/ulp/iser/iscsi_iser.c @@ -596,19 +596,28 @@ iscsi_iser_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, struct iser_conn *ib_conn; struct iscsi_endpoint *ep; - ep = iscsi_create_endpoint(sizeof(*ib_conn)); + ep = iscsi_create_endpoint(0); if (!ep) return ERR_PTR(-ENOMEM); - ib_conn = ep->dd_data; + ib_conn = kzalloc(sizeof(*ib_conn), GFP_KERNEL); + if (!ib_conn) { + err = -ENOMEM; + goto failure; + } + + ep->dd_data = ib_conn; ib_conn->ep = ep; iser_conn_init(ib_conn); err = iser_connect(ib_conn, NULL, dst_addr, non_blocking); if (err) - return ERR_PTR(err); + goto failure; return ep; +failure: + iscsi_destroy_endpoint(ep); + return ERR_PTR(err); } static int @@ -658,6 +667,7 @@ iscsi_iser_ep_disconnect(struct iscsi_endpoint *ep) } else { iser_conn_release(ib_conn); } + iscsi_destroy_endpoint(ep); } static umode_t iser_attr_is_visible(int param_type, int param) |