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block: Extract the BlockAcctStats structure

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Extract the block accounting statistics into a structure so the block device
models can hold them in the future.

CC: Kevin Wolf <kwolf@redhat.com>
CC: Stefan Hajnoczi <stefanha@redhat.com>
CC: Max Reitz <mreitz@redhat.com>
CC: Eric Blake <eblake@redhat.com>

Signed-off-by: Benoît Canet <benoit.canet@nodalink.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Benoît Canet 2014-09-05 15:46:15 +02:00 • committed by Kevin Wolf
parent 1a7044bb62
commit 0ddd0ad96a
4 changed files with 24 additions and 18 deletions
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5
include/block/block_int.h
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@ -359,10 +359,7 @@ struct BlockDriverState {
bool io_limits_enabled;
/* I/O stats (display with "info blockstats"). */
uint64_t nr_bytes[BDRV_MAX_IOTYPE];
uint64_t nr_ops[BDRV_MAX_IOTYPE];
uint64_t total_time_ns[BDRV_MAX_IOTYPE];
uint64_t wr_highest_sector;
BlockAcctStats stats;
/* I/O Limits */
BlockLimits bl;