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| author | Paolo Bonzini <pbonzini@redhat.com> | 2017-06-05 14:38:53 +0200 |
|---|---|---|
| committer | Fam Zheng <famz@redhat.com> | 2017-06-16 07:55:00 +0800 |
| commit | 20fc71b25cfd8102b7f12a2b44133894ad90040a (patch) | |
| tree | 36a79378952602ef7389104a0d07c6b07189d211 /include | |
| parent | d993b85804b7ec099d4e1d377161ac8af398d855 (diff) | |
| download | qemu-20fc71b25cfd8102b7f12a2b44133894ad90040a.zip qemu-20fc71b25cfd8102b7f12a2b44133894ad90040a.tar.gz qemu-20fc71b25cfd8102b7f12a2b44133894ad90040a.tar.bz2 | |
block: access serialising_in_flight with atomic ops
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20170605123908.18777-5-pbonzini@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/block/block_int.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/include/block/block_int.h b/include/block/block_int.h index 1824e0e..39be34a 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -604,10 +604,6 @@ struct BlockDriverState { /* Callback before write request is processed */ NotifierWithReturnList before_write_notifiers; - /* number of in-flight requests; overall and serialising */ - unsigned int in_flight; - unsigned int serialising_in_flight; - bool wakeup; /* Offset after the highest byte written to */ @@ -634,6 +630,12 @@ struct BlockDriverState { */ int copy_on_read; + /* number of in-flight requests; overall and serialising. + * Accessed with atomic ops. + */ + unsigned int in_flight; + unsigned int serialising_in_flight; + /* do we need to tell the quest if we have a volatile write cache? */ int enable_write_cache; |