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author | Ingo Molnar | 2011-10-04 11:08:16 +0200 |
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committer | Ingo Molnar | 2011-10-04 11:09:08 +0200 |
commit | 22f92bacbeea24b20e447444c28e7cad9f1ac3f8 (patch) | |
tree | 5c3f2346804a186aa2d954f078fd2f4d44bcc26e /drivers/target/target_core_transport.c | |
parent | sched, tracing: Show PREEMPT_ACTIVE state in trace_sched_switch (diff) | |
parent | Merge branch 'hwmon-for-linus' of git://github.com/groeck/linux (diff) | |
download | kernel-qcow2-linux-22f92bacbeea24b20e447444c28e7cad9f1ac3f8.tar.gz kernel-qcow2-linux-22f92bacbeea24b20e447444c28e7cad9f1ac3f8.tar.xz kernel-qcow2-linux-22f92bacbeea24b20e447444c28e7cad9f1ac3f8.zip |
Merge branch 'linus' into sched/core
Merge reason: pick up the latest fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/target/target_core_transport.c')
-rw-r--r-- | drivers/target/target_core_transport.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 8d0c58ea6316..a4b0a8d27f25 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -977,15 +977,17 @@ static void target_qf_do_work(struct work_struct *work) { struct se_device *dev = container_of(work, struct se_device, qf_work_queue); + LIST_HEAD(qf_cmd_list); struct se_cmd *cmd, *cmd_tmp; spin_lock_irq(&dev->qf_cmd_lock); - list_for_each_entry_safe(cmd, cmd_tmp, &dev->qf_cmd_list, se_qf_node) { + list_splice_init(&dev->qf_cmd_list, &qf_cmd_list); + spin_unlock_irq(&dev->qf_cmd_lock); + list_for_each_entry_safe(cmd, cmd_tmp, &qf_cmd_list, se_qf_node) { list_del(&cmd->se_qf_node); atomic_dec(&dev->dev_qf_count); smp_mb__after_atomic_dec(); - spin_unlock_irq(&dev->qf_cmd_lock); pr_debug("Processing %s cmd: %p QUEUE_FULL in work queue" " context: %s\n", cmd->se_tfo->get_fabric_name(), cmd, @@ -997,10 +999,7 @@ static void target_qf_do_work(struct work_struct *work) * has been added to head of queue */ transport_add_cmd_to_queue(cmd, cmd->t_state); - - spin_lock_irq(&dev->qf_cmd_lock); } - spin_unlock_irq(&dev->qf_cmd_lock); } unsigned char *transport_dump_cmd_direction(struct se_cmd *cmd) |