Add support for the FS_IOC_GETFSLABEL ioctl.
Signed-off-by: Ethan Ferguson <ethan.ferguson@xxxxxxxxxx>
---
fs/ntfs3/file.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/fs/ntfs3/file.c b/fs/ntfs3/file.c
index c1ece707b195..0a1e9f16ffaf 100644
--- a/fs/ntfs3/file.c
+++ b/fs/ntfs3/file.c
@@ -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. */
}
--
2.34.1
