LU-4017 quota: add project quota support for Lustre

[fs/lustre-release.git] / lustre / osd-ldiskfs / osd_quota.c

diff --git a/lustre/osd-ldiskfs/osd_quota.c b/lustre/osd-ldiskfs/osd_quota.c
index e4f531c..6b184fb 100644 (file)
--- a/lustre/osd-ldiskfs/osd_quota.c
+++ b/lustre/osd-ldiskfs/osd_quota.c
@@ -43,6 +43,8 @@ static inline int fid2type(const struct lu_fid *fid)
                return USRQUOTA;
        case ACCT_GROUP_OID:
                return GRPQUOTA;
+       case ACCT_PROJECT_OID:
+               return PRJQUOTA;
        }
 
        LASSERTF(0, "invalid fid for quota type: %u", fid_oid(fid));
@@ -66,10 +68,6 @@ int osd_acct_obj_lookup(struct osd_thread_info *info, struct osd_device *osd,
                        const struct lu_fid *fid, struct osd_inode_id *id)
 {
        struct super_block *sb = osd_sb(osd);
-       unsigned long qf_inums[LL_MAXQUOTAS] = {
-               le32_to_cpu(LDISKFS_SB(sb)->s_es->s_usr_quota_inum),
-               le32_to_cpu(LDISKFS_SB(sb)->s_es->s_grp_quota_inum)
-       };
 
        ENTRY;
        LASSERT(fid_is_acct(fid));
@@ -79,7 +77,27 @@ int osd_acct_obj_lookup(struct osd_thread_info *info, struct osd_device *osd,
                RETURN(-ENOENT);
 
        id->oii_gen = OSD_OII_NOGEN;
-       id->oii_ino = qf_inums[fid2type(fid)];
+       switch (fid2type(fid)) {
+       case USRQUOTA:
+               id->oii_ino =
+                       le32_to_cpu(LDISKFS_SB(sb)->s_es->s_usr_quota_inum);
+               break;
+       case GRPQUOTA:
+               id->oii_ino =
+                       le32_to_cpu(LDISKFS_SB(sb)->s_es->s_grp_quota_inum);
+               break;
+       case PRJQUOTA:
+#ifdef HAVE_PROJECT_QUOTA
+               if (!LDISKFS_HAS_RO_COMPAT_FEATURE(sb,
+                               LDISKFS_FEATURE_RO_COMPAT_PROJECT))
+                       RETURN(-ENOTSUPP);
+               id->oii_ino =
+                       le32_to_cpu(LDISKFS_SB(sb)->s_es->s_prj_quota_inum);
+               break;
+#else
+               RETURN(-ENOTSUPP);
+#endif
+       }
        if (!ldiskfs_valid_inum(sb, id->oii_ino))
                RETURN(-ENOENT);
        RETURN(0);