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| author | Alexander Yarygin <yarygin@linux.vnet.ibm.com> | 2015-06-17 13:37:19 +0300 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2015-06-23 15:06:16 +0100 |
| commit | 97b0385a346829cf03efe131a26a4b6a4cd0a21f (patch) | |
| tree | 4d852d681f4a5c0c42668552bfdc9eb762891b8d | |
| parent | 2f388b93a147258f9dbc83ebe63365edac4aa7a2 (diff) | |
| download | hqemu-97b0385a346829cf03efe131a26a4b6a4cd0a21f.zip hqemu-97b0385a346829cf03efe131a26a4b6a4cd0a21f.tar.gz | |
block-backend: Introduce blk_drain()
This patch introduces the blk_drain() function which allows to replace
blk_drain_all() when only one BlockDriverState needs to be drained.
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Alexander Yarygin <yarygin@linux.vnet.ibm.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Kevin Wolf <kwolf@redhat.com>
Message-id: 1434537440-28236-2-git-send-email-yarygin@linux.vnet.ibm.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
| -rw-r--r-- | block/block-backend.c | 5 | ||||
| -rw-r--r-- | include/sysemu/block-backend.h | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/block/block-backend.c b/block/block-backend.c index 93e46f3..aee8a12 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -700,6 +700,11 @@ int blk_flush_all(void) return bdrv_flush_all(); } +void blk_drain(BlockBackend *blk) +{ + bdrv_drain(blk->bs); +} + void blk_drain_all(void) { bdrv_drain_all(); diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h index b4a4d5e..8fc960f 100644 --- a/include/sysemu/block-backend.h +++ b/include/sysemu/block-backend.h @@ -118,6 +118,7 @@ int blk_co_discard(BlockBackend *blk, int64_t sector_num, int nb_sectors); int blk_co_flush(BlockBackend *blk); int blk_flush(BlockBackend *blk); int blk_flush_all(void); +void blk_drain(BlockBackend *blk); void blk_drain_all(void); BlockdevOnError blk_get_on_error(BlockBackend *blk, bool is_read); BlockErrorAction blk_get_error_action(BlockBackend *blk, bool is_read, |
