diff options
author | Jun'ichi Nomura <j-nomura@ce.jp.nec.com> | 2009-10-01 15:16:13 -0400 |
---|---|---|
committer | Jens Axboe <jens.axboe@oracle.com> | 2009-10-01 15:19:34 -0400 |
commit | b0da3f0dada78832c9da03ad2152ae76bd9a2496 (patch) | |
tree | 58380f5d8f3c313fbb9fd0310509a408b38a0399 /include/linux/blktrace_api.h | |
parent | 67efc9258010da35b27b3854d0880c7e193004ed (diff) |
Add a tracepoint for block request remapping
Since 2.6.31 now has request-based device-mapper, it's useful to have
a tracepoint for request-remapping as well as bio-remapping.
This patch adds a tracepoint for request-remapping, trace_block_rq_remap().
Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Cc: Alasdair G Kergon <agk@redhat.com>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'include/linux/blktrace_api.h')
-rw-r--r-- | include/linux/blktrace_api.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h index 622939a23299..3b73b9992b26 100644 --- a/include/linux/blktrace_api.h +++ b/include/linux/blktrace_api.h | |||
@@ -212,7 +212,7 @@ extern struct attribute_group blk_trace_attr_group; | |||
212 | # define blk_trace_startstop(q, start) (-ENOTTY) | 212 | # define blk_trace_startstop(q, start) (-ENOTTY) |
213 | # define blk_trace_remove(q) (-ENOTTY) | 213 | # define blk_trace_remove(q) (-ENOTTY) |
214 | # define blk_add_trace_msg(q, fmt, ...) do { } while (0) | 214 | # define blk_add_trace_msg(q, fmt, ...) do { } while (0) |
215 | # define blk_trace_remove_sysfs(struct device *dev) do { } while (0) | 215 | # define blk_trace_remove_sysfs(dev) do { } while (0) |
216 | static inline int blk_trace_init_sysfs(struct device *dev) | 216 | static inline int blk_trace_init_sysfs(struct device *dev) |
217 | { | 217 | { |
218 | return 0; | 218 | return 0; |