[XFS] move XFS_IOC_GETVERSION to main multiplexer (87395deb) · Commits · 戴 / test

Avoids doing an unnecessary inode to vnode conversion and avoids a memory allocation. SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:26492a Signed-off-by:

Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by:

Nathan Scott <nathans@sgi.com> Signed-off-by:

Tim Shimmin <tes@sgi.com>

fs/xfs/linux-2.6/xfs_ioctl.c

+2 −7

Original line number	Diff line number	Diff line
		@@ -763,6 +763,8 @@ xfs_ioctl(
		return xfs_ioc_fsgeometry(mp, arg);

		case XFS_IOC_GETVERSION:
		return put_user(inode->i_generation, (int __user *)arg);

		case XFS_IOC_GETXFLAGS:
		case XFS_IOC_SETXFLAGS:
		case XFS_IOC_FSGETXATTR:
		@@ -1264,13 +1266,6 @@ xfs_ioc_xattr(
		break;
		}

		case XFS_IOC_GETVERSION: {
		flags = vn_to_inode(vp)->i_generation;
		if (copy_to_user(arg, &flags, sizeof(flags)))
		error = -EFAULT;
		break;
		}

		default:
		error = -ENOTTY;
		break;

Admin message