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(parent: 78faae3) | patch
target: Make se_dev_check_online() locking IRQ-safe
authorRoland Dreier <roland@purestorage.com>
Tue, 14 Jun 2011 03:55:06 +0000 (20:55 -0700)
committerNicholas Bellinger <nab@linux-iscsi.org>
Fri, 22 Jul 2011 09:37:45 +0000 (09:37 +0000)
commit56e34ee2adb59a35bfa5714bdf4dcb3f4d14a41d
tree80ab54908f9cd603ef26cdcc634e70ddd34c6640tree | snapshot
parent78faae37897dc2a9ccc7c19155294a4bfdcae077commit | diff
target: Make se_dev_check_online() locking IRQ-safe

se_dev_check_online() is called from transport_lookup_cmd_lun(), which
as discussed before may be called from interrupt context.  So it needs
to use spin_lock_irqsave() instead of spin_lock_irq() to avoid
enabling interrupts at the wrong time.

Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
drivers/target/target_core_device.c diff | blob | history
Linux kernel for KaRo TX COM modules