diff options
Diffstat (limited to 'fs/xfs')
| -rw-r--r-- | fs/xfs/xfs_inode.c | 24 | ||||
| -rw-r--r-- | fs/xfs/xfs_vnodeops.c | 37 |
2 files changed, 37 insertions, 24 deletions
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index a2c723baff0..34bdf590968 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -1202,26 +1202,32 @@ xfs_ialloc( case S_IFREG: case S_IFDIR: if (unlikely(pip->i_d.di_flags & XFS_DIFLAG_ANY)) { - if (pip->i_d.di_flags & XFS_DIFLAG_RTINHERIT) { - if ((mode & S_IFMT) == S_IFDIR) { - ip->i_d.di_flags |= XFS_DIFLAG_RTINHERIT; - } else { - ip->i_d.di_flags |= XFS_DIFLAG_REALTIME; + uint di_flags = 0; + + if ((mode & S_IFMT) == S_IFDIR) { + if (pip->i_d.di_flags & XFS_DIFLAG_RTINHERIT) + di_flags |= XFS_DIFLAG_RTINHERIT; + } else { + if (pip->i_d.di_flags & XFS_DIFLAG_RTINHERIT) { + di_flags |= XFS_DIFLAG_REALTIME; ip->i_iocore.io_flags |= XFS_IOCORE_RT; } } if ((pip->i_d.di_flags & XFS_DIFLAG_NOATIME) && xfs_inherit_noatime) - ip->i_d.di_flags |= XFS_DIFLAG_NOATIME; + di_flags |= XFS_DIFLAG_NOATIME; if ((pip->i_d.di_flags & XFS_DIFLAG_NODUMP) && xfs_inherit_nodump) - ip->i_d.di_flags |= XFS_DIFLAG_NODUMP; + di_flags |= XFS_DIFLAG_NODUMP; if ((pip->i_d.di_flags & XFS_DIFLAG_SYNC) && xfs_inherit_sync) - ip->i_d.di_flags |= XFS_DIFLAG_SYNC; + di_flags |= XFS_DIFLAG_SYNC; if ((pip->i_d.di_flags & XFS_DIFLAG_NOSYMLINKS) && xfs_inherit_nosymlinks) - ip->i_d.di_flags |= XFS_DIFLAG_NOSYMLINKS; + di_flags |= XFS_DIFLAG_NOSYMLINKS; + if (pip->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) + di_flags |= XFS_DIFLAG_PROJINHERIT; + ip->i_d.di_flags |= di_flags; } /* FALLTHROUGH */ case S_IFLNK: diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index 695978b2749..96dc18b73cf 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -507,8 +507,6 @@ xfs_setattr( * that the group ID supplied to the chown() function * shall be equal to either the group ID or one of the * supplementary group IDs of the calling process. - * - * XXX: How does restricted_chown affect projid? */ if (restricted_chown && (iuid != uid || (igid != gid && @@ -860,6 +858,8 @@ xfs_setattr( di_flags |= XFS_DIFLAG_NOATIME; if (vap->va_xflags & XFS_XFLAG_NODUMP) di_flags |= XFS_DIFLAG_NODUMP; + if (vap->va_xflags & XFS_XFLAG_PROJINHERIT) + di_flags |= XFS_DIFLAG_PROJINHERIT; if ((ip->i_d.di_mode & S_IFMT) == S_IFDIR) { if (vap->va_xflags & XFS_XFLAG_RTINHERIT) di_flags |= XFS_DIFLAG_RTINHERIT; @@ -1915,7 +1915,9 @@ xfs_create( /* Return through std_return after this point. */ udqp = gdqp = NULL; - if (vap->va_mask & XFS_AT_PROJID) + if (dp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) + prid = dp->i_d.di_projid; + else if (vap->va_mask & XFS_AT_PROJID) prid = (xfs_prid_t)vap->va_projid; else prid = (xfs_prid_t)dfltprid; @@ -2621,17 +2623,7 @@ xfs_link( if (src_vp->v_type == VDIR) return XFS_ERROR(EPERM); - /* - * For now, manually find the XFS behavior descriptor for - * the source vnode. If it doesn't exist then something - * is wrong and we should just return an error. - * Eventually we need to figure out how link is going to - * work in the face of stacked vnodes. - */ src_bdp = vn_bhv_lookup_unlocked(VN_BHV_HEAD(src_vp), &xfs_vnodeops); - if (src_bdp == NULL) { - return XFS_ERROR(EXDEV); - } sip = XFS_BHVTOI(src_bdp); tdp = XFS_BHVTOI(target_dir_bdp); mp = tdp->i_mount; @@ -2698,6 +2690,17 @@ xfs_link( goto error_return; } + /* + * If we are using project inheritance, we only allow hard link + * creation in our tree when the project IDs are the same; else + * the tree quota mechanism could be circumvented. + */ + if (unlikely((tdp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) && + (tdp->i_d.di_projid != sip->i_d.di_projid))) { + error = XFS_ERROR(EPERM); + goto error_return; + } + if (resblks == 0 && (error = XFS_DIR_CANENTER(mp, tp, tdp, target_name, target_namelen))) @@ -2820,7 +2823,9 @@ xfs_mkdir( mp = dp->i_mount; udqp = gdqp = NULL; - if (vap->va_mask & XFS_AT_PROJID) + if (dp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) + prid = dp->i_d.di_projid; + else if (vap->va_mask & XFS_AT_PROJID) prid = (xfs_prid_t)vap->va_projid; else prid = (xfs_prid_t)dfltprid; @@ -3374,7 +3379,9 @@ xfs_symlink( /* Return through std_return after this point. */ udqp = gdqp = NULL; - if (vap->va_mask & XFS_AT_PROJID) + if (dp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) + prid = dp->i_d.di_projid; + else if (vap->va_mask & XFS_AT_PROJID) prid = (xfs_prid_t)vap->va_projid; else prid = (xfs_prid_t)dfltprid; |