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block: add the blockio limits command line support

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Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Zhi Yong Wu 2011-11-03 16:57:25 +08:00 • committed by Kevin Wolf
parent 3535a9c6be
commit 0563e19151
6 changed files with 141 additions and 0 deletions
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24
qemu-config.c
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@ -85,6 +85,30 @@ static QemuOptsList qemu_drive_opts = {
.name = "readonly",
.type = QEMU_OPT_BOOL,
.help = "open drive file as read-only",
},{
.name = "iops",
.type = QEMU_OPT_NUMBER,
.help = "limit total I/O operations per second",
},{
.name = "iops_rd",
.type = QEMU_OPT_NUMBER,
.help = "limit read operations per second",
},{
.name = "iops_wr",
.type = QEMU_OPT_NUMBER,
.help = "limit write operations per second",
},{
.name = "bps",
.type = QEMU_OPT_NUMBER,
.help = "limit total bytes per second",
},{
.name = "bps_rd",
.type = QEMU_OPT_NUMBER,
.help = "limit read bytes per second",
},{
.name = "bps_wr",
.type = QEMU_OPT_NUMBER,
.help = "limit write bytes per second",
},
{ /* end of list */ }
},