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firewire: core: use separate timeout for each transaction

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Using a single timeout for all transaction that need to be flushed does
not work if the submission of new transactions can defer the timeout
indefinitely into the future.  We need to have timeouts that do not
change due to other transactions; the simplest way to do this is with a
separate timer for each transaction.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (+ one lockdep annotation)
This commit is contained in:
Clemens Ladisch
2010-04-27 09:07:00 +02:00
committed by Stefan Richter
parent 753a8970f6
commit 5c40cbfefa
4 changed files with 39 additions and 46 deletions
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3
include/linux/firewire.h
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@@ -87,7 +87,6 @@ struct fw_card {
int current_tlabel;
u64 tlabel_mask;
struct list_head transaction_list;
struct timer_list flush_timer;
unsigned long reset_jiffies;
unsigned long long guid;
@@ -288,6 +287,8 @@ struct fw_transaction {
int tlabel;
int timestamp;
struct list_head link;
struct fw_card *card;
struct timer_list split_timeout_timer;
struct fw_packet packet;