block/file-posix: update .help of BLOCK_OPT_PREALLOC option
Show 'falloc' among the allowed values of 'preallocation' option, only when it is supported (if defined CONFIG_POSIX_FALLOCATE) Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190524075848.23781-3-sgarzare@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
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@ -2752,7 +2752,11 @@ static QemuOptsList raw_create_opts = {
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{
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{
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.name = BLOCK_OPT_PREALLOC,
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.name = BLOCK_OPT_PREALLOC,
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.type = QEMU_OPT_STRING,
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.type = QEMU_OPT_STRING,
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.help = "Preallocation mode (allowed values: off, falloc, full)"
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.help = "Preallocation mode (allowed values: off"
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#ifdef CONFIG_POSIX_FALLOCATE
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", falloc"
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#endif
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", full)"
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},
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},
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{ /* end of list */ }
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{ /* end of list */ }
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}
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}
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