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config: Add cache-related options for block devices

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Add block_device_cache_set, block_device_cache_direct
and block_device_cache_noflush.

Fixes: #997

Signed-off-by: Hui Zhu <teawater@hyper.sh>
This commit is contained in:
Hui Zhu 2018-12-09 18:10:39 +08:00
parent 408428edf4
commit 6024088ca0
1 changed files with 14 additions and 0 deletions
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14
cli/config/configuration.toml.in
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@ -95,6 +95,20 @@ disable_block_device_use = @DEFDISABLEBLOCK@
# virtio-blk.
block_device_driver = "@DEFBLOCKSTORAGEDRIVER@"
# Specifies cache-related options will be set to block devices or not.
# Default false
#block_device_cache_set = true
# Specifies cache-related options for block devices.
# Denotes whether use of O_DIRECT (bypass the host page cache) is enabled.
# Default false
#block_device_cache_direct = true
# Specifies cache-related options for block devices.
# Denotes whether flush requests for the device are ignored.
# Default false
#block_device_cache_noflush = true
# Enable iothreads (data-plane) to be used. This causes IO to be
# handled in a separate IO thread. This is currently only implemented
# for SCSI.