fs: make fiemap work from compat_ioctl

We don't need to do anything special with fiemap to make it work with a 64bit kernel from 32bit userspace, so just go down to do_vfs_ioctl(). Without this patch we were incorrectly failing to do fiemap with a 32bit userspace on a 64bit kernel. Signed-off-by: Josef Bacik <[email protected]> Reviewed-by: Christoph Hellwig <[email protected]> Signed-off-by: Al Viro <[email protected]>
mrcsosa · Nov 5, 2017 · ceac204 · ceac204
1 parent d337b66
commit ceac204
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
@@ -1579,6 +1579,7 @@ COMPAT_SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd,
 	case FICLONE:
 	case FICLONERANGE:
 	case FIDEDUPERANGE:
+	case FS_IOC_FIEMAP:
 		goto do_ioctl;
 
 	case FIBMAP: