diff options
| author | Steven Rostedt (Red Hat) <rostedt@goodmis.org> | 2014-06-25 15:54:42 -0400 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2014-11-19 22:01:09 -0500 |
| commit | 3a161d99c43ce74c76aecff309be4c3ba455e823 (patch) | |
| tree | cc3aa5d746203cd17e8d9b92c78bef04f6f0ccdb /kernel/trace/trace_events.c | |
| parent | 16a8ef2751801346f1f76a18685b2beb63cd170f (diff) | |
tracing: Create seq_buf layer in trace_seq
Create a seq_buf layer that trace_seq sits on. The seq_buf will not
be limited to page size. This will allow other usages of seq_buf
instead of a hard set PAGE_SIZE one that trace_seq has.
Link: http://lkml.kernel.org/r/20141104160221.864997179@goodmis.org
Link: http://lkml.kernel.org/r/20141114011412.170377300@goodmis.org
Tested-by: Jiri Kosina <jkosina@suse.cz>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Reviewed-by: Petr Mladek <pmladek@suse.cz>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace_events.c')
| -rw-r--r-- | kernel/trace/trace_events.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index f9d0cbe014b7..4d0067dd7f88 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -1044,7 +1044,7 @@ event_filter_read(struct file *filp, char __user *ubuf, size_t cnt, mutex_unlock(&event_mutex); if (file) - r = simple_read_from_buffer(ubuf, cnt, ppos, s->buffer, s->len); + r = simple_read_from_buffer(ubuf, cnt, ppos, s->buffer, s->seq.len); kfree(s); @@ -1210,7 +1210,7 @@ subsystem_filter_read(struct file *filp, char __user *ubuf, size_t cnt, trace_seq_init(s); print_subsystem_event_filter(system, s); - r = simple_read_from_buffer(ubuf, cnt, ppos, s->buffer, s->len); + r = simple_read_from_buffer(ubuf, cnt, ppos, s->buffer, s->seq.len); kfree(s); @@ -1265,7 +1265,7 @@ show_header(struct file *filp, char __user *ubuf, size_t cnt, loff_t *ppos) trace_seq_init(s); func(s); - r = simple_read_from_buffer(ubuf, cnt, ppos, s->buffer, s->len); + r = simple_read_from_buffer(ubuf, cnt, ppos, s->buffer, s->seq.len); kfree(s); |