diff options
| -rw-r--r-- | fs/xfs/xfs_ioctl32.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/fs/xfs/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c index b044f7d36782..5001dca361e9 100644 --- a/fs/xfs/xfs_ioctl32.c +++ b/fs/xfs/xfs_ioctl32.c @@ -579,8 +579,12 @@ xfs_file_compat_ioctl( case FS_IOC_GETFSMAP: case XFS_IOC_SCRUB_METADATA: return xfs_file_ioctl(filp, cmd, p); -#ifndef BROKEN_X86_ALIGNMENT - /* These are handled fine if no alignment issues */ +#if !defined(BROKEN_X86_ALIGNMENT) || defined(CONFIG_X86_X32) + /* + * These are handled fine if no alignment issues. To support x32 + * which uses native 64-bit alignment we must emit these cases in + * addition to the ia-32 compat set below. + */ case XFS_IOC_ALLOCSP: case XFS_IOC_FREESP: case XFS_IOC_RESVSP: @@ -593,8 +597,16 @@ xfs_file_compat_ioctl( case XFS_IOC_FSGROWFSDATA: case XFS_IOC_FSGROWFSRT: case XFS_IOC_ZERO_RANGE: +#ifdef CONFIG_X86_X32 + /* + * x32 special: this gets a different cmd number from the ia-32 compat + * case below; the associated data will match native 64-bit alignment. + */ + case XFS_IOC_SWAPEXT: +#endif return xfs_file_ioctl(filp, cmd, p); -#else +#endif +#if defined(BROKEN_X86_ALIGNMENT) case XFS_IOC_ALLOCSP_32: case XFS_IOC_FREESP_32: case XFS_IOC_ALLOCSP64_32: |