block: Use bdrv_parse_cache_mode() in drive_init()
Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
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5481531154
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04feb4a507
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@ -899,8 +899,9 @@ DriveInfo *drive_new(QemuOpts *all_opts, BlockInterfaceType block_default_type)
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value = qemu_opt_get(all_opts, "cache");
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value = qemu_opt_get(all_opts, "cache");
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if (value) {
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if (value) {
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int flags = 0;
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int flags = 0;
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bool writethrough;
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if (bdrv_parse_cache_flags(value, &flags) != 0) {
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if (bdrv_parse_cache_mode(value, &flags, &writethrough) != 0) {
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error_report("invalid cache option");
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error_report("invalid cache option");
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return NULL;
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return NULL;
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}
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}
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@ -908,7 +909,7 @@ DriveInfo *drive_new(QemuOpts *all_opts, BlockInterfaceType block_default_type)
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/* Specific options take precedence */
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/* Specific options take precedence */
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if (!qemu_opt_get(all_opts, BDRV_OPT_CACHE_WB)) {
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if (!qemu_opt_get(all_opts, BDRV_OPT_CACHE_WB)) {
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qemu_opt_set_bool(all_opts, BDRV_OPT_CACHE_WB,
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qemu_opt_set_bool(all_opts, BDRV_OPT_CACHE_WB,
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!!(flags & BDRV_O_CACHE_WB), &error_abort);
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!writethrough, &error_abort);
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}
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}
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if (!qemu_opt_get(all_opts, BDRV_OPT_CACHE_DIRECT)) {
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if (!qemu_opt_get(all_opts, BDRV_OPT_CACHE_DIRECT)) {
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qemu_opt_set_bool(all_opts, BDRV_OPT_CACHE_DIRECT,
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qemu_opt_set_bool(all_opts, BDRV_OPT_CACHE_DIRECT,
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