VisionFive2 Linux kernel

diff --git a/fs/exfat/file.c b/fs/exfat/file.c
index f783cf38dd8e..6af0191b648f 100644
--- a/fs/exfat/file.c
+++ b/fs/exfat/file.c
@@ -4,6 +4,7 @@
  */
 
 #include <linux/slab.h>
+#include <linux/compat.h>
 #include <linux/cred.h>
 #include <linux/buffer_head.h>
 #include <linux/blkdev.h>
@@ -350,6 +351,54 @@ out:
 	return error;
 }
 
+static int exfat_ioctl_fitrim(struct inode *inode, unsigned long arg)
+{
+	struct request_queue *q = bdev_get_queue(inode->i_sb->s_bdev);
+	struct fstrim_range range;
+	int ret = 0;
+
+	if (!capable(CAP_SYS_ADMIN))
+		return -EPERM;
+
+	if (!blk_queue_discard(q))
+		return -EOPNOTSUPP;
+
+	if (copy_from_user(&range, (struct fstrim_range __user *)arg, sizeof(range)))
+		return -EFAULT;
+
+	range.minlen = max_t(unsigned int, range.minlen,
+				q->limits.discard_granularity);
+
+	ret = exfat_trim_fs(inode, &range);
+	if (ret < 0)
+		return ret;
+
+	if (copy_to_user((struct fstrim_range __user *)arg, &range, sizeof(range)))
+		return -EFAULT;
+
+	return 0;
+}
+
+long exfat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+{
+	struct inode *inode = file_inode(filp);
+
+	switch (cmd) {
+	case FITRIM:
+		return exfat_ioctl_fitrim(inode, arg);
+	default:
+		return -ENOTTY;
+	}
+}
+
+#ifdef CONFIG_COMPAT
+long exfat_compat_ioctl(struct file *filp, unsigned int cmd,
+				unsigned long arg)
+{
+	return exfat_ioctl(filp, cmd, (unsigned long)compat_ptr(arg));
+}
+#endif
+
 int exfat_file_fsync(struct file *filp, loff_t start, loff_t end, int datasync)
 {
 	struct inode *inode = filp->f_mapping->host;
@@ -370,6 +419,10 @@ const struct file_operations exfat_file_operations = {
 	.llseek		= generic_file_llseek,
 	.read_iter	= generic_file_read_iter,
 	.write_iter	= generic_file_write_iter,
+	.unlocked_ioctl = exfat_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl = exfat_compat_ioctl,
+#endif
 	.mmap		= generic_file_mmap,
 	.fsync		= exfat_file_fsync,
 	.splice_read	= generic_file_splice_read,