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LU-4054 llog: don't leak llog handle in llog_cat_process_cb()
[fs/lustre-release.git] / lustre / osd-ldiskfs / osd_oi.c
index d159403..a7d8581 100644 (file)
@@ -27,7 +27,7 @@
  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2011, 2012, Intel Corporation.
+ * Copyright (c) 2012, 2013, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -229,6 +229,13 @@ static int osd_oi_open(struct osd_thread_info *info, struct osd_device *osd,
                 RETURN(PTR_ERR(inode));
 
        ldiskfs_set_inode_state(inode, LDISKFS_STATE_LUSTRE_NO_OI);
+       /* 'What the @fid is' is not imporatant, because these objects
+        * have no OI mappings, and only are visible inside the OSD.*/
+       lu_igif_build(&info->oti_fid, inode->i_ino, inode->i_generation);
+       rc = osd_ea_fid_set(info, inode, &info->oti_fid, LMAC_NOT_IN_OI, 0);
+       if (rc != 0)
+               GOTO(out_inode, rc);
+
         OBD_ALLOC_PTR(oi);
         if (oi == NULL)
                 GOTO(out_inode, rc = -ENOMEM);
@@ -361,6 +368,20 @@ int osd_oi_init(struct osd_thread_info *info, struct osd_device *osd)
        /* if previous failed then try found single OI from old filesystem */
        rc = osd_oi_open(info, osd, OSD_OI_NAME_BASE, &oi[0], false);
        if (rc == 0) { /* found single OI from old filesystem */
+               if (sf->sf_success_count == 0)
+                       /* XXX: There is one corner case that if the OI_scrub
+                        *      file crashed or lost and we regard it upgrade,
+                        *      then we allow IGIF lookup to bypass OI files.
+                        *
+                        *      The risk is that osd_fid_lookup() may found
+                        *      a wrong inode with the given IGIF especially
+                        *      when the MDT has performed file-level backup
+                        *      and restored after former upgrading from 1.8
+                        *      to 2.x. Fortunately, the osd_fid_lookup()can
+                        *      verify the inode to decrease the risk. */
+                       osd_scrub_file_reset(scrub,
+                                       LDISKFS_SB(osd_sb(osd))->s_es->s_uuid,
+                                       SF_UPGRADE);
                GOTO(out, rc = 1);
        } else if (rc != -ENOENT) {
                CERROR("%.16s: can't open %s: rc = %d\n",
@@ -401,7 +422,16 @@ out:
                LASSERT((rc & (rc - 1)) == 0);
                osd->od_oi_table = oi;
                osd->od_oi_count = rc;
-               rc = 0;
+               if (sf->sf_oi_count != rc) {
+                       sf->sf_oi_count = rc;
+                       rc = osd_scrub_file_store(scrub);
+                       if (rc < 0) {
+                               osd_oi_table_put(info, oi, sf->sf_oi_count);
+                               OBD_FREE(oi, sizeof(*oi) * OSD_OI_FID_NR_MAX);
+                       }
+               } else {
+                       rc = 0;
+               }
        }
 
        mutex_unlock(&oi_init_lock);
@@ -461,37 +491,32 @@ static int osd_oi_iam_lookup(struct osd_thread_info *oti,
 }
 
 int fid_is_on_ost(struct osd_thread_info *info, struct osd_device *osd,
-                 const struct lu_fid *fid)
+                 const struct lu_fid *fid, enum oi_check_flags flags)
 {
-       struct lu_seq_range *range = &info->oti_seq_range;
-       int rc;
        ENTRY;
 
+       if (flags & OI_KNOWN_ON_OST)
+               RETURN(1);
+
        if (unlikely(fid_is_local_file(fid) || fid_is_igif(fid) ||
-                    fid_is_llog(fid)))
+                    fid_is_llog(fid)) || fid_is_name_llog(fid) ||
+                    fid_is_quota(fid))
                RETURN(0);
 
        if (fid_is_idif(fid) || fid_is_last_id(fid))
                RETURN(1);
 
-       rc = osd_fld_lookup(info->oti_env, osd, fid, range);
-       if (rc != 0) {
-               CERROR("%s: Can not lookup fld for "DFID"\n",
-                      osd2lu_dev(osd)->ld_obd->obd_name, PFID(fid));
-               RETURN(rc);
-       }
-
-       CDEBUG(D_INFO, "fid "DFID" range "DRANGE"\n", PFID(fid),
-              PRANGE(range));
+       if (!(flags & OI_CHECK_FLD))
+               RETURN(0);
 
-       if (range->lsr_flags == LU_SEQ_RANGE_OST)
+       if (osd->od_is_ost)
                RETURN(1);
 
        RETURN(0);
 }
 
-int __osd_oi_lookup(struct osd_thread_info *info, struct osd_device *osd,
-                   const struct lu_fid *fid, struct osd_inode_id *id)
+static int __osd_oi_lookup(struct osd_thread_info *info, struct osd_device *osd,
+                          const struct lu_fid *fid, struct osd_inode_id *id)
 {
        struct lu_fid *oi_fid = &info->oti_fid2;
        int            rc;
@@ -510,12 +535,12 @@ int __osd_oi_lookup(struct osd_thread_info *info, struct osd_device *osd,
 
 int osd_oi_lookup(struct osd_thread_info *info, struct osd_device *osd,
                  const struct lu_fid *fid, struct osd_inode_id *id,
-                 bool check_fld)
+                 enum oi_check_flags flags)
 {
        if (unlikely(fid_is_last_id(fid)))
                return osd_obj_spec_lookup(info, osd, fid, id);
 
-       if ((check_fld && fid_is_on_ost(info, osd, fid)) || fid_is_llog(fid))
+       if (fid_is_on_ost(info, osd, fid, flags) || fid_is_llog(fid))
                return osd_obj_map_lookup(info, osd, fid, id);
 
        if (fid_is_fs_root(fid)) {
@@ -527,6 +552,11 @@ int osd_oi_lookup(struct osd_thread_info *info, struct osd_device *osd,
        if (unlikely(fid_is_acct(fid)))
                return osd_acct_obj_lookup(info, osd, fid, id);
 
+       if (!osd->od_igif_inoi && fid_is_igif(fid)) {
+               osd_id_gen(id, lu_igif_ino(fid), lu_igif_gen(fid));
+               return 0;
+       }
+
        return __osd_oi_lookup(info, osd, fid, id);
 }
 
@@ -565,7 +595,7 @@ static int osd_oi_iam_refresh(struct osd_thread_info *oti, struct osd_oi *oi,
 
 int osd_oi_insert(struct osd_thread_info *info, struct osd_device *osd,
                  const struct lu_fid *fid, const struct osd_inode_id *id,
-                 struct thandle *th)
+                 struct thandle *th, enum oi_check_flags flags)
 {
        struct lu_fid       *oi_fid = &info->oti_fid2;
        struct osd_inode_id *oi_id  = &info->oti_id2;
@@ -574,7 +604,7 @@ int osd_oi_insert(struct osd_thread_info *info, struct osd_device *osd,
        if (unlikely(fid_is_last_id(fid)))
                return osd_obj_spec_insert(info, osd, fid, id, th);
 
-       if (fid_is_on_ost(info, osd, fid) || fid_is_llog(fid))
+       if (fid_is_on_ost(info, osd, fid, flags) || fid_is_llog(fid))
                return osd_obj_map_insert(info, osd, fid, id, th);
 
        fid_cpu_to_be(oi_fid, fid);
@@ -589,16 +619,12 @@ int osd_oi_insert(struct osd_thread_info *info, struct osd_device *osd,
                if (rc != -EEXIST)
                        return rc;
 
-               rc = osd_oi_lookup(info, osd, fid, oi_id, false);
-               if (unlikely(rc != 0))
+               rc = osd_oi_lookup(info, osd, fid, oi_id, 0);
+               if (rc != 0)
                        return rc;
 
-               if (osd_id_eq(id, oi_id)) {
-                       CERROR("%.16s: the FID "DFID" is there already:%u/%u\n",
-                              LDISKFS_SB(osd_sb(osd))->s_es->s_volume_name,
-                              PFID(fid), id->oii_ino, id->oii_gen);
-                       return -EEXIST;
-               }
+               if (unlikely(osd_id_eq(id, oi_id)))
+                       return 0;
 
                /* Check whether the mapping for oi_id is valid or not. */
                inode = osd_iget(info, osd, oi_id);
@@ -617,7 +643,8 @@ int osd_oi_insert(struct osd_thread_info *info, struct osd_device *osd,
                if (rc != 0)
                        return rc;
 
-               if (lu_fid_eq(fid, &lma->lma_self_fid)) {
+               if (!(lma->lma_compat & LMAC_NOT_IN_OI) &&
+                   lu_fid_eq(fid, &lma->lma_self_fid)) {
                        CERROR("%.16s: the FID "DFID" is used by two objects: "
                               "%u/%u %u/%u\n",
                               LDISKFS_SB(osd_sb(osd))->s_es->s_volume_name,
@@ -670,14 +697,18 @@ static int osd_oi_iam_delete(struct osd_thread_info *oti, struct osd_oi *oi,
 
 int osd_oi_delete(struct osd_thread_info *info,
                  struct osd_device *osd, const struct lu_fid *fid,
-                 struct thandle *th)
+                 struct thandle *th, enum oi_check_flags flags)
 {
        struct lu_fid *oi_fid = &info->oti_fid2;
 
+       /* clear idmap cache */
+       if (lu_fid_eq(fid, &info->oti_cache.oic_fid))
+               fid_zero(&info->oti_cache.oic_fid);
+
        if (fid_is_last_id(fid))
                return 0;
 
-       if (fid_is_on_ost(info, osd, fid) || fid_is_llog(fid))
+       if (fid_is_on_ost(info, osd, fid, flags) || fid_is_llog(fid))
                return osd_obj_map_delete(info, osd, fid, th);
 
        fid_cpu_to_be(oi_fid, fid);
@@ -685,6 +716,33 @@ int osd_oi_delete(struct osd_thread_info *info,
                                 (const struct dt_key *)oi_fid, th);
 }
 
+int osd_oi_update(struct osd_thread_info *info, struct osd_device *osd,
+                 const struct lu_fid *fid, const struct osd_inode_id *id,
+                 struct thandle *th, enum oi_check_flags flags)
+{
+       struct lu_fid       *oi_fid = &info->oti_fid2;
+       struct osd_inode_id *oi_id  = &info->oti_id2;
+       int                  rc     = 0;
+
+       if (unlikely(fid_is_last_id(fid)))
+               return osd_obj_spec_update(info, osd, fid, id, th);
+
+       if (fid_is_on_ost(info, osd, fid, flags) || fid_is_llog(fid))
+               return osd_obj_map_update(info, osd, fid, id, th);
+
+       fid_cpu_to_be(oi_fid, fid);
+       osd_id_pack(oi_id, id);
+       rc = osd_oi_iam_refresh(info, osd_fid2oi(osd, fid),
+                              (const struct dt_rec *)oi_id,
+                              (const struct dt_key *)oi_fid, th, false);
+       if (rc != 0)
+               return rc;
+
+       if (unlikely(fid_seq(fid) == FID_SEQ_LOCAL_FILE))
+               rc = osd_obj_spec_update(info, osd, fid, id, th);
+       return rc;
+}
+
 int osd_oi_mod_init(void)
 {
         if (osd_oi_count == 0 || osd_oi_count > OSD_OI_FID_NR_MAX)