diff options
| author | Benoît Canet <benoit@irqsave.net> | 2013-09-02 14:14:39 +0200 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2013-09-06 15:25:07 +0200 |
| commit | cc0681c45430a1f1a4c2d06e9499b7775afc9a18 (patch) | |
| tree | fd051484a9a10c25b478c7ba93a31cf09320d445 /include/block/block_int.h | |
| parent | f17cfe813c40792cc1622ba447581c906beb091e (diff) | |
| download | qemu-cc0681c45430a1f1a4c2d06e9499b7775afc9a18.zip qemu-cc0681c45430a1f1a4c2d06e9499b7775afc9a18.tar.gz qemu-cc0681c45430a1f1a4c2d06e9499b7775afc9a18.tar.bz2 | |
block: Enable the new throttling code in the block layer.
Signed-off-by: Benoit Canet <benoit@irqsave.net>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'include/block/block_int.h')
| -rw-r--r-- | include/block/block_int.h | 32 |
1 files changed, 6 insertions, 26 deletions
diff --git a/include/block/block_int.h b/include/block/block_int.h index 8012e25..c3c9c61 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -35,18 +35,12 @@ #include "qemu/hbitmap.h" #include "block/snapshot.h" #include "qemu/main-loop.h" +#include "qemu/throttle.h" #define BLOCK_FLAG_ENCRYPT 1 #define BLOCK_FLAG_COMPAT6 4 #define BLOCK_FLAG_LAZY_REFCOUNTS 8 -#define BLOCK_IO_LIMIT_READ 0 -#define BLOCK_IO_LIMIT_WRITE 1 -#define BLOCK_IO_LIMIT_TOTAL 2 - -#define BLOCK_IO_SLICE_TIME 100000000 -#define NANOSECONDS_PER_SECOND 1000000000.0 - #define BLOCK_OPT_SIZE "size" #define BLOCK_OPT_ENCRYPT "encryption" #define BLOCK_OPT_COMPAT6 "compat6" @@ -70,17 +64,6 @@ typedef struct BdrvTrackedRequest { CoQueue wait_queue; /* coroutines blocked on this request */ } BdrvTrackedRequest; - -typedef struct BlockIOLimit { - int64_t bps[3]; - int64_t iops[3]; -} BlockIOLimit; - -typedef struct BlockIOBaseValue { - uint64_t bytes[2]; - uint64_t ios[2]; -} BlockIOBaseValue; - struct BlockDriver { const char *format_name; int instance_size; @@ -264,13 +247,9 @@ struct BlockDriverState { /* number of in-flight copy-on-read requests */ unsigned int copy_on_read_in_flight; - /* the time for latest disk I/O */ - int64_t slice_start; - int64_t slice_end; - BlockIOLimit io_limits; - BlockIOBaseValue slice_submitted; - CoQueue throttled_reqs; - QEMUTimer *block_timer; + /* I/O throttling */ + ThrottleState throttle_state; + CoQueue throttled_reqs[2]; bool io_limits_enabled; /* I/O stats (display with "info blockstats"). */ @@ -312,7 +291,8 @@ struct BlockDriverState { int get_tmp_filename(char *filename, int size); void bdrv_set_io_limits(BlockDriverState *bs, - BlockIOLimit *io_limits); + ThrottleConfig *cfg); + /** * bdrv_add_before_write_notifier: |