From b1ecdda9313ec5d2f971993f44f6b657acf70cff Mon Sep 17 00:00:00 2001 From: Nathan Scott Date: Mon, 8 May 2006 19:51:42 +1000 Subject: [XFS] Fix a project quota space accounting leak on rename. SGI-PV: 951636 SGI-Modid: xfs-linux-melb:xfs-kern:25811a Signed-off-by: Nathan Scott --- fs/xfs/xfs_rename.c | 12 ++++++++++++ fs/xfs/xfs_vnodeops.c | 2 +- 2 files changed, 13 insertions(+), 1 deletion(-) (limited to 'fs/xfs') diff --git a/fs/xfs/xfs_rename.c b/fs/xfs/xfs_rename.c index 81a05cfd77d2..1f148762eb28 100644 --- a/fs/xfs/xfs_rename.c +++ b/fs/xfs/xfs_rename.c @@ -316,6 +316,18 @@ xfs_rename( } } + /* + * If we are using project inheritance, we only allow renames + * into our tree when the project IDs are the same; else the + * tree quota mechanism would be circumvented. + */ + if (unlikely((target_dp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) && + (target_dp->i_d.di_projid != src_ip->i_d.di_projid))) { + error = XFS_ERROR(EXDEV); + xfs_rename_unlock4(inodes, XFS_ILOCK_SHARED); + goto rele_return; + } + new_parent = (src_dp != target_dp); src_is_directory = ((src_ip->i_d.di_mode & S_IFMT) == S_IFDIR); diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index fa71b305ba5c..7027ae68ee38 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -2663,7 +2663,7 @@ xfs_link( */ if (unlikely((tdp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) && (tdp->i_d.di_projid != sip->i_d.di_projid))) { - error = XFS_ERROR(EPERM); + error = XFS_ERROR(EXDEV); goto error_return; } -- cgit v1.2.3-59-g8ed1b