lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Added in user-injected messages into blk traces

Browse Source 
This allows a user to annotate the blk trace stream: writing a suitable
message to {/sys/kernel/debug}/block/<dsf>/msg will have it propagated
into the trace stream.

Signed-off-by: Alan D. Brunelle <alan.brunelle@hp.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Alan D. Brunelle
2008-06-11 09:12:52 +02:00
committed by Jens Axboe
parent 7b679138b3
commit 02c62304e6
2 changed files with 46 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
include/linux/blktrace_api.h
View File

@ -129,6 +129,7 @@ struct blk_trace {
u32 dev;
struct dentry *dir;
struct dentry *dropped_file;
struct dentry *msg_file;
atomic_t dropped;
};