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@@ -27,6 +27,7 @@
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#include <linux/kthread.h>
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#include <linux/log2.h>
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#include <linux/init.h>
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+#include <linux/smp_lock.h>
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/**** Helper functions used for Div, Remainder operation on u64 ****/
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@@ -589,11 +590,23 @@ int GLOB_SBD_ioctl(struct block_device *bdev, fmode_t mode,
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return -ENOTTY;
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}
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+int GLOB_SBD_unlocked_ioctl(struct block_device *bdev, fmode_t mode,
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+ unsigned int cmd, unsigned long arg)
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+{
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+ int ret;
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+
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+ lock_kernel();
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+ ret = GLOB_SBD_ioctl(bdev, mode, cmd, arg);
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+ unlock_kernel();
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+
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+ return ret;
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+}
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+
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static struct block_device_operations GLOB_SBD_ops = {
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.owner = THIS_MODULE,
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.open = GLOB_SBD_open,
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.release = GLOB_SBD_release,
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- .locked_ioctl = GLOB_SBD_ioctl,
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+ .ioctl = GLOB_SBD_unlocked_ioctl,
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.getgeo = GLOB_SBD_getgeo,
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};
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