btrfs-progs: image: don't create unused threads
In case of creating an image without compression, we don't need to create unused threads. Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
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@ -2786,11 +2786,14 @@ int main(int argc, char *argv[])
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}
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}
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}
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}
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if ((compress_level > 0 || create == 0) &&
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if (compress_level > 0 || create == 0) {
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num_threads == 0) {
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if (num_threads == 0) {
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num_threads = sysconf(_SC_NPROCESSORS_ONLN);
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num_threads = sysconf(_SC_NPROCESSORS_ONLN);
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if (num_threads <= 0)
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if (num_threads <= 0)
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num_threads = 1;
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num_threads = 1;
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}
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} else {
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num_threads = 0;
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}
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}
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if (create) {
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if (create) {
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