diff options
| author | Nicholas Bellinger <nab@linux-iscsi.org> | 2014-01-20 03:36:24 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-02-13 13:55:36 -0800 |
| commit | e61bfa0b1e4a3733706e046499aa8308612b3f2d (patch) | |
| tree | a437f7604b919ce0be2040bd40c7158364c17442 /lib/timerqueue.c | |
| parent | dd8837a2504d14c76f2b2b00c6f1d98e00cf88e9 (diff) | |
| download | lwn-e61bfa0b1e4a3733706e046499aa8308612b3f2d.tar.gz lwn-e61bfa0b1e4a3733706e046499aa8308612b3f2d.zip | |
iscsi-target: Fix connection reset hang with percpu_ida_alloc
commit 555b270e25b0279b98083518a85f4b1da144a181 upstream.
This patch addresses a bug where connection reset would hang
indefinately once percpu_ida_alloc() was starved for tags, due
to the fact that it always assumed uninterruptible sleep mode.
So now make percpu_ida_alloc() check for signal_pending_state() for
making interruptible sleep optional, and convert iscsit_allocate_cmd()
to set TASK_INTERRUPTIBLE for GFP_KERNEL, or TASK_RUNNING for
GFP_ATOMIC.
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Kent Overstreet <kmo@daterainc.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'lib/timerqueue.c')
0 files changed, 0 insertions, 0 deletions