diff options
Diffstat (limited to 'fs/fat/dir.c')
| -rw-r--r-- | fs/fat/dir.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/fat/dir.c b/fs/fat/dir.c index 7a6f02caf28..4b775e606fc 100644 --- a/fs/fat/dir.c +++ b/fs/fat/dir.c @@ -776,6 +776,13 @@ 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 long fat_dir_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { @@ -792,6 +799,8 @@ static long fat_dir_ioctl(struct file *filp, unsigned int cmd, short_only = 0; both = 1; break; + case VFAT_IOCTL_GET_VOLUME_ID: + return fat_ioctl_volume_id(inode); default: return fat_generic_ioctl(filp, cmd, arg); } @@ -832,6 +841,8 @@ static long fat_compat_dir_ioctl(struct file *filp, unsigned cmd, short_only = 0; both = 1; break; + case VFAT_IOCTL_GET_VOLUME_ID: + return fat_ioctl_volume_id(inode); default: return fat_generic_ioctl(filp, cmd, (unsigned long)arg); } |