Searched hist:"570 db170f37715b7df23c95868169f3d9affa48c" (Results 1 – 2 of 2) sorted by relevance
| /linux/drivers/infiniband/ulp/isert/ |
| H A D | ib_isert.h | diff 570db170f37715b7df23c95868169f3d9affa48c Tue Dec 02 15:57:31 CET 2014 Sagi Grimberg <sagig@mellanox.com> iser-target: Allocate PI contexts dynamically
This patch converts to allocate PI contexts dynamically in order
avoid a potentially bogus np->tpg_np and associated NULL pointer
dereference in isert_connect_request() during iser-target endpoint
shutdown with multiple network portals.
Also, there is really no need to allocate these at connection
establishment since it is not guaranteed that all the IOs on
that connection will be to a PI formatted device.
We can do it in a lazy fashion so the initial burst will have a
transient slow down, but very fast all IOs will allocate a PI
context.
Squashed:
iser-target: Centralize PI context handling code
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Cc: <stable@vger.kernel.org> # v3.14+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
|
| H A D | ib_isert.c | diff 570db170f37715b7df23c95868169f3d9affa48c Tue Dec 02 15:57:31 CET 2014 Sagi Grimberg <sagig@mellanox.com> iser-target: Allocate PI contexts dynamically
This patch converts to allocate PI contexts dynamically in order
avoid a potentially bogus np->tpg_np and associated NULL pointer
dereference in isert_connect_request() during iser-target endpoint
shutdown with multiple network portals.
Also, there is really no need to allocate these at connection
establishment since it is not guaranteed that all the IOs on
that connection will be to a PI formatted device.
We can do it in a lazy fashion so the initial burst will have a
transient slow down, but very fast all IOs will allocate a PI
context.
Squashed:
iser-target: Centralize PI context handling code
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Cc: <stable@vger.kernel.org> # v3.14+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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