diff options
| author | Tony Hutter <[email protected]> | 2016-05-23 10:41:29 -0700 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2016-05-26 10:11:51 -0700 |
| commit | 26ef0cc7db03be6f7a5c2d06c7ecdb2449bfa9e1 (patch) | |
| tree | 859a6fe7d768402ced116fcdf5c01981cdaa73f3 /include/sys/zio.h | |
| parent | 7e945072d18541fb0c30e05b46cce14d01fea8aa (diff) | |
OpenZFS 6531 - Provide mechanism to artificially limit disk performance
Reviewed by: Paul Dagnelie <[email protected]>
Reviewed by: Matthew Ahrens <[email protected]>
Reviewed by: George Wilson <[email protected]>
Approved by: Dan McDonald <[email protected]>
Ported by: Tony Hutter <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
OpenZFS-issue: https://www.illumos.org/issues/6531
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/97e8130
Porting notes:
- Added new IO delay tracepoints, and moved common ZIO tracepoint macros
to a new trace_common.h file.
- Used zio_delay_taskq() in place of OpenZFS's timeout_generic() function.
- Updated zinject man page
- Updated zpool_scrub test files
Diffstat (limited to 'include/sys/zio.h')
| -rw-r--r-- | include/sys/zio.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/sys/zio.h b/include/sys/zio.h index 9790b4a90..300a5f5ab 100644 --- a/include/sys/zio.h +++ b/include/sys/zio.h @@ -420,6 +420,7 @@ struct zio { uint64_t io_offset; hrtime_t io_timestamp; /* submitted at */ + hrtime_t io_target_timestamp; hrtime_t io_delta; /* vdev queue service delta */ hrtime_t io_delay; /* Device access time (disk or */ /* file). */ @@ -510,6 +511,8 @@ extern int zio_wait(zio_t *zio); extern void zio_nowait(zio_t *zio); extern void zio_execute(zio_t *zio); extern void zio_interrupt(zio_t *zio); +extern void zio_delay_init(zio_t *zio); +extern void zio_delay_interrupt(zio_t *zio); extern zio_t *zio_walk_parents(zio_t *cio); extern zio_t *zio_walk_children(zio_t *pio); @@ -572,7 +575,7 @@ extern int zio_handle_fault_injection(zio_t *zio, int error); extern int zio_handle_device_injection(vdev_t *vd, zio_t *zio, int error); extern int zio_handle_label_injection(zio_t *zio, int error); extern void zio_handle_ignored_writes(zio_t *zio); -extern uint64_t zio_handle_io_delay(zio_t *zio); +extern hrtime_t zio_handle_io_delay(zio_t *zio); /* * Checksum ereport functions |