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| author | Mikulas Patocka <mpatocka@redhat.com> | 2015-11-24 03:12:05 +0300 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2015-12-10 18:38:56 +0300 |
| commit | 313c9b97361fca3a606fc74de86bee6dc7988bca (patch) | |
| tree | 0809a86dca1f372844868bebbc54e4de7db23366 | |
| parent | fe3265b180d6282648f03bc6ac3958c733df01c2 (diff) | |
| download | linux-313c9b97361fca3a606fc74de86bee6dc7988bca.tar.xz | |
dm block manager: cleanup code that prints stacktrace
There is no need to record stack trace and immediately print it. Just
use dump_stack() to print the current stack.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
| -rw-r--r-- | drivers/md/persistent-data/dm-block-manager.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/drivers/md/persistent-data/dm-block-manager.c b/drivers/md/persistent-data/dm-block-manager.c index f2393ba838eb..1e33dd51c21f 100644 --- a/drivers/md/persistent-data/dm-block-manager.c +++ b/drivers/md/persistent-data/dm-block-manager.c @@ -97,10 +97,6 @@ static void __del_holder(struct block_lock *lock, struct task_struct *task) static int __check_holder(struct block_lock *lock) { unsigned i; -#ifdef CONFIG_DM_DEBUG_BLOCK_STACK_TRACING - static struct stack_trace t; - static stack_entries entries; -#endif for (i = 0; i < MAX_HOLDERS; i++) { if (lock->holders[i] == current) { @@ -110,12 +106,7 @@ static int __check_holder(struct block_lock *lock) print_stack_trace(lock->traces + i, 4); DMERR("subsequent acquisition attempted here:"); - t.nr_entries = 0; - t.max_entries = MAX_STACK; - t.entries = entries; - t.skip = 3; - save_stack_trace(&t); - print_stack_trace(&t, 4); + dump_stack(); #endif return -EINVAL; } |