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| author | David Woodhouse <David.Woodhouse@intel.com> | 2009-09-20 05:55:36 -0700 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2009-09-20 05:55:36 -0700 |
| commit | 6469f540ea37d53db089c8fea9c0c77a3d9353d4 (patch) | |
| tree | 1dc9dc077150d57f4424cae49e711b5dd6e903a1 /kernel/trace/blktrace.c | |
| parent | 304e6d5fe294b80e6d3107f99ec241816390ebcc (diff) | |
| parent | 78f28b7c555359c67c2a0d23f7436e915329421e (diff) | |
| download | kernel-crypto-6469f540ea37d53db089c8fea9c0c77a3d9353d4.tar.gz kernel-crypto-6469f540ea37d53db089c8fea9c0c77a3d9353d4.tar.xz kernel-crypto-6469f540ea37d53db089c8fea9c0c77a3d9353d4.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/mtd/mtdcore.c
Merged in order that I can apply the Nomadik nand/onenand support patches.
Diffstat (limited to 'kernel/trace/blktrace.c')
| -rw-r--r-- | kernel/trace/blktrace.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index 7a34cb563fe..3eb159c277c 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -65,13 +65,15 @@ static void trace_note(struct blk_trace *bt, pid_t pid, int action, { struct blk_io_trace *t; struct ring_buffer_event *event = NULL; + struct ring_buffer *buffer = NULL; int pc = 0; int cpu = smp_processor_id(); bool blk_tracer = blk_tracer_enabled; if (blk_tracer) { + buffer = blk_tr->buffer; pc = preempt_count(); - event = trace_buffer_lock_reserve(blk_tr, TRACE_BLK, + event = trace_buffer_lock_reserve(buffer, TRACE_BLK, sizeof(*t) + len, 0, pc); if (!event) @@ -96,7 +98,7 @@ record_it: memcpy((void *) t + sizeof(*t), data, len); if (blk_tracer) - trace_buffer_unlock_commit(blk_tr, event, 0, pc); + trace_buffer_unlock_commit(buffer, event, 0, pc); } } @@ -179,6 +181,7 @@ static void __blk_add_trace(struct blk_trace *bt, sector_t sector, int bytes, { struct task_struct *tsk = current; struct ring_buffer_event *event = NULL; + struct ring_buffer *buffer = NULL; struct blk_io_trace *t; unsigned long flags = 0; unsigned long *sequence; @@ -204,8 +207,9 @@ static void __blk_add_trace(struct blk_trace *bt, sector_t sector, int bytes, if (blk_tracer) { tracing_record_cmdline(current); + buffer = blk_tr->buffer; pc = preempt_count(); - event = trace_buffer_lock_reserve(blk_tr, TRACE_BLK, + event = trace_buffer_lock_reserve(buffer, TRACE_BLK, sizeof(*t) + pdu_len, 0, pc); if (!event) @@ -252,7 +256,7 @@ record_it: memcpy((void *) t + sizeof(*t), pdu_data, pdu_len); if (blk_tracer) { - trace_buffer_unlock_commit(blk_tr, event, 0, pc); + trace_buffer_unlock_commit(buffer, event, 0, pc); return; } } |