Unverified Commit e4dff970 authored by Ethan Ferguson's avatar Ethan Ferguson Committed by Konstantin Komarov
Browse files

ntfs3: add FS_IOC_GETFSLABEL ioctl 



Add support for the FS_IOC_GETFSLABEL ioctl.

Signed-off-by: default avatarEthan Ferguson <ethan.ferguson@zetier.com>
Signed-off-by: default avatarKonstantin Komarov <almaz.alexandrovich@paragon-software.com>
parent 80ff677b

fs/ntfs3/file.c

+10 −0
Original line number Diff line number Diff line
@@ -49,6 +49,14 @@ static int ntfs_ioctl_fitrim(struct ntfs_sb_info *sbi, unsigned long arg) 
	return 0;

}



static int ntfs_ioctl_get_volume_label(struct ntfs_sb_info *sbi, u8 __user *buf)

{

	if (copy_to_user(buf, sbi->volume.label, FSLABEL_MAX))

		return -EFAULT;



	return 0;

}



/*

 * ntfs_ioctl - file_operations::unlocked_ioctl

 */
@@ -64,6 +72,8 @@ long ntfs_ioctl(struct file *filp, u32 cmd, unsigned long arg) 
	switch (cmd) {

	case FITRIM:

		return ntfs_ioctl_fitrim(sbi, arg);

	case FS_IOC_GETFSLABEL:

		return ntfs_ioctl_get_volume_label(sbi, (u8 __user *)arg);

	}

	return -ENOTTY; /* Inappropriate ioctl for device. */

}