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| author | Nicholas Bellinger <nab@linux-iscsi.org> | 2014-01-20 03:36:24 +0000 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2014-01-25 06:58:52 +0000 |
| commit | 555b270e25b0279b98083518a85f4b1da144a181 (patch) | |
| tree | 01cb1c9e3c65deb02c41ed45fa9ad69902274e2c /lib/llist.c | |
| parent | 6f6b5d1ec56acdeab0503d2b823f6f88a0af493e (diff) | |
| download | linux-555b270e25b0279b98083518a85f4b1da144a181.tar.bz2 | |
iscsi-target: Fix connection reset hang with percpu_ida_alloc
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>
Cc: <stable@vger.kernel.org> #3.12+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'lib/llist.c')
0 files changed, 0 insertions, 0 deletions