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| author | Nathan Scott <nathans@sgi.com> | 2005-06-21 05:39:12 (GMT) |
|---|---|---|
| committer | Nathan Scott <nathans@sgi.com> | 2005-06-21 05:39:12 (GMT) |
| commit | 365ca83d509f77f2095976edb8d10ca6e9d86d58 (patch) | |
| tree | 312ef7fdcb4f35f49d0b0432344779e32ca81cbd /fs/xfs/xfs_vnodeops.c | |
| parent | c8ad20ffeb592d66ea869c57f8c525a9d727c67b (diff) | |
| download | linux-fsl-qoriq-365ca83d509f77f2095976edb8d10ca6e9d86d58.tar.xz | |
[XFS] Add support for project quota inheritance, a merge of Glens changes.
SGI-PV: 932952
SGI-Modid: xfs-linux:xfs-kern:22806a
Signed-off-by: Nathan Scott <nathans@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_vnodeops.c')
| -rw-r--r-- | fs/xfs/xfs_vnodeops.c | 37 |
1 files changed, 22 insertions, 15 deletions
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index 695978b..96dc18b 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; |