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authorPeter Lieven <pl@kamp.de>2015-02-02 14:52:18 +0100
committerKevin Wolf <kwolf@redhat.com>2015-02-06 17:24:21 +0100
commitf4564d53c6952c61fb3ed8ee17a6e0f2f6bf0857 (patch)
tree86838b0db4f467bc3160eb3add2010a2926d099b /include/block
parent35f5a49374098733247c640cbdcbafcfc792c11f (diff)
block: add accounting for merged requests
Signed-off-by: Peter Lieven <pl@kamp.de> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'include/block')
-rw-r--r--include/block/accounting.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/block/accounting.h b/include/block/accounting.h
index 50b42b3808..4c406cff7a 100644
--- a/include/block/accounting.h
+++ b/include/block/accounting.h
@@ -39,6 +39,7 @@ typedef struct BlockAcctStats {
uint64_t nr_bytes[BLOCK_MAX_IOTYPE];
uint64_t nr_ops[BLOCK_MAX_IOTYPE];
uint64_t total_time_ns[BLOCK_MAX_IOTYPE];
+ uint64_t merged[BLOCK_MAX_IOTYPE];
uint64_t wr_highest_sector;
} BlockAcctStats;
@@ -53,5 +54,7 @@ void block_acct_start(BlockAcctStats *stats, BlockAcctCookie *cookie,
void block_acct_done(BlockAcctStats *stats, BlockAcctCookie *cookie);
void block_acct_highest_sector(BlockAcctStats *stats, int64_t sector_num,
unsigned int nb_sectors);
+void block_acct_merge_done(BlockAcctStats *stats, enum BlockAcctType type,
+ int num_requests);
#endif