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hw/9pfs: Add new virtfs option writeout=immediate skip host page cache

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writeout=immediate implies the after pwritev we do a sync_file_range.

Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
This commit is contained in:
Aneesh Kumar K.V 2011-10-12 19:11:23 +05:30
parent 5745e38afe
commit d3ab98e691
10 changed files with 91 additions and 17 deletions
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6
qemu-config.c
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@ -177,6 +177,9 @@ QemuOptsList qemu_fsdev_opts = {
}, {
.name = "security_model",
.type = QEMU_OPT_STRING,
}, {
.name = "writeout",
.type = QEMU_OPT_STRING,
},
{ /*End of list */ }
},
@ -199,6 +202,9 @@ QemuOptsList qemu_virtfs_opts = {
}, {
.name = "security_model",
.type = QEMU_OPT_STRING,
}, {
.name = "writeout",
.type = QEMU_OPT_STRING,
},
{ /*End of list */ }