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Merge pull request #109 from jschintag/qemu-img-sharing

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virtio-blk: Add support for share-rw flag
This commit is contained in:
Mark Ryan
2019-09-16 09:15:17 +02:00
committed by GitHub
parent ee460e3008 cb9f640b4e
commit 8cba5a8e5f
1 changed files with 7 additions and 0 deletions
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7
qemu/qemu.go
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@@ -728,6 +728,9 @@ type BlockDevice struct {
// DevNo identifies the ccw devices for s390x architecture // DevNo identifies the ccw devices for s390x architecture
DevNo string DevNo string
// ShareRW enables multiple qemu instances to share the File
ShareRW bool
} }
// Valid returns true if the BlockDevice structure is valid and complete. // Valid returns true if the BlockDevice structure is valid and complete.
@@ -766,6 +769,10 @@ func (blkdev BlockDevice) QemuParams(config *Config) []string {
deviceParams = append(deviceParams, fmt.Sprintf(",devno=%s", blkdev.DevNo)) deviceParams = append(deviceParams, fmt.Sprintf(",devno=%s", blkdev.DevNo))
} }
if blkdev.ShareRW {
deviceParams = append(deviceParams, fmt.Sprintf(",share-rw=on"))
}
blkParams = append(blkParams, fmt.Sprintf("id=%s", blkdev.ID)) blkParams = append(blkParams, fmt.Sprintf("id=%s", blkdev.ID))
blkParams = append(blkParams, fmt.Sprintf(",file=%s", blkdev.File)) blkParams = append(blkParams, fmt.Sprintf(",file=%s", blkdev.File))
blkParams = append(blkParams, fmt.Sprintf(",aio=%s", blkdev.AIO)) blkParams = append(blkParams, fmt.Sprintf(",aio=%s", blkdev.AIO))