Re: [libvirt] [PATCH] storage: Flush host cache after write

Although we are flushing cache after some critical writes (e.g. volume creation), after some others we do not (e.g. volume cloning). This patch fix this issue. That is for volume cloning, writing header of logical volume, and storage wipe. --- src/storage/storage_backend.c | 8 ++++++++ src/storage/storage_backend_logical.c | 7 +++++++ src/storage/storage_driver.c | 8 ++++++++ 3 files changed, 23 insertions(+), 0 deletions(-) diff --git a/src/storage/storage_backend.c b/src/storage/storage_backend.c index 6243d1e..889f530 100644 --- a/src/storage/storage_backend.c +++ b/src/storage/storage_backend.c @@ -208,6 +208,14 @@ virStorageBackendCopyToFD(virStorageVolDefPtr vol, } while ((amtleft -= interval)> 0); } + if (fdatasync(fd)< 0) {

+++ b/src/storage/storage_backend_logical.c @@ -424,6 +424,13 @@ virStorageBackendLogicalBuildPool(virConnectPtr conn ATTRIBUTE_UNUSED, VIR_FORCE_CLOSE(fd); goto cleanup; } + if (fsync(fd)< 0) {