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Diffstat (limited to 'fs/fat/dir.c')
-rw-r--r--fs/fat/dir.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/fat/dir.c b/fs/fat/dir.c
index 530b4ca01510..4ceff5110417 100644
--- a/fs/fat/dir.c
+++ b/fs/fat/dir.c
@@ -758,6 +758,13 @@ static int fat_ioctl_readdir(struct inode *inode, struct file *filp,
return ret;
}
+static int fat_ioctl_volume_id(struct inode *dir)
+{
+ struct super_block *sb = dir->i_sb;
+ struct msdos_sb_info *sbi = MSDOS_SB(sb);
+ return sbi->vol_id;
+}
+
static int fat_dir_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg)
{
@@ -773,6 +780,8 @@ static int fat_dir_ioctl(struct inode *inode, struct file *filp,
short_only = 0;
both = 1;
break;
+ case VFAT_IOCTL_GET_VOLUME_ID:
+ return fat_ioctl_volume_id(inode);
default:
return fat_generic_ioctl(inode, filp, cmd, arg);
}