drivers/bch: Drivers may not support command BIOC_FLUSH
Calling `bchlib_flushsector()` maybe enough on some devices. Signed-off-by: wangjianyu3 <wangjianyu3@xiaomi.com>
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@ -459,6 +459,13 @@ static int bch_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
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if (bchinode->u.i_bops->ioctl != NULL)
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{
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ret = bchinode->u.i_bops->ioctl(bchinode, cmd, arg);
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/* Drivers may not support command BIOC_FLUSH */
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if (ret == -ENOTTY && cmd == BIOC_FLUSH)
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{
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ret = 0;
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}
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}
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}
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break;
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