Whamcloud - gitweb
LU-5306: Update download and other whamcloud URLs
[fs/lustre-release.git] / lustre / llite / llite_lib.c
index ee8829d..d0b7708 100644 (file)
@@ -71,14 +71,14 @@ static struct ll_sb_info *ll_init_sbi(void)
        struct ll_sb_info *sbi = NULL;
        unsigned long pages;
        unsigned long lru_page_max;
-        struct sysinfo si;
-        class_uuid_t uuid;
-        int i;
-        ENTRY;
+       struct sysinfo si;
+       class_uuid_t uuid;
+       int i;
+       ENTRY;
 
-        OBD_ALLOC(sbi, sizeof(*sbi));
-        if (!sbi)
-                RETURN(NULL);
+       OBD_ALLOC_PTR(sbi);
+       if (sbi == NULL)
+               RETURN(NULL);
 
        spin_lock_init(&sbi->ll_lock);
        mutex_init(&sbi->ll_lco.lco_lock);
@@ -97,6 +97,8 @@ static struct ll_sb_info *ll_init_sbi(void)
        spin_lock_init(&sbi->ll_cache.ccc_lru_lock);
        INIT_LIST_HEAD(&sbi->ll_cache.ccc_lru);
 
+       /* turn unstable check off by default as it impacts performance */
+       sbi->ll_cache.ccc_unstable_check = 0;
        atomic_set(&sbi->ll_cache.ccc_unstable_nr, 0);
        init_waitqueue_head(&sbi->ll_cache.ccc_unstable_waitq);
 
@@ -139,6 +141,12 @@ static struct ll_sb_info *ll_init_sbi(void)
        atomic_set(&sbi->ll_agl_total, 0);
        sbi->ll_flags |= LL_SBI_AGL_ENABLED;
 
+       /* root squash */
+       sbi->ll_squash.rsi_uid = 0;
+       sbi->ll_squash.rsi_gid = 0;
+       INIT_LIST_HEAD(&sbi->ll_squash.rsi_nosquash_nids);
+       init_rwsem(&sbi->ll_squash.rsi_sem);
+
        RETURN(sbi);
 }
 
@@ -151,6 +159,8 @@ static void ll_free_sbi(struct super_block *sb)
                spin_lock(&ll_sb_lock);
                list_del(&sbi->ll_list);
                spin_unlock(&ll_sb_lock);
+               if (!list_empty(&sbi->ll_squash.rsi_nosquash_nids))
+                       cfs_free_nidlist(&sbi->ll_squash.rsi_nosquash_nids);
                OBD_FREE(sbi, sizeof(*sbi));
        }
        EXIT;
@@ -203,7 +213,9 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt,
                                  OBD_CONNECT_LAYOUTLOCK | OBD_CONNECT_PINGLESS |
                                  OBD_CONNECT_MAX_EASIZE |
                                  OBD_CONNECT_FLOCK_DEAD |
-                                 OBD_CONNECT_DISP_STRIPE;
+                                 OBD_CONNECT_DISP_STRIPE | OBD_CONNECT_LFSCK |
+                                 OBD_CONNECT_OPEN_BY_FID |
+                                 OBD_CONNECT_DIR_STRIPE;
 
         if (sbi->ll_flags & LL_SBI_SOM_PREVIEW)
                 data->ocd_connect_flags |= OBD_CONNECT_SOM;
@@ -370,9 +382,9 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt,
                 sbi->ll_flags |= LL_SBI_64BIT_HASH;
 
        if (data->ocd_connect_flags & OBD_CONNECT_BRW_SIZE)
-               sbi->ll_md_brw_size = data->ocd_brw_size;
+               sbi->ll_md_brw_pages = data->ocd_brw_size >> PAGE_CACHE_SHIFT;
        else
-               sbi->ll_md_brw_size = PAGE_CACHE_SIZE;
+               sbi->ll_md_brw_pages = 1;
 
        if (data->ocd_connect_flags & OBD_CONNECT_LAYOUTLOCK)
                sbi->ll_flags |= LL_SBI_LAYOUT_LOCK;
@@ -403,7 +415,8 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt,
                                   OBD_CONNECT_MAXBYTES |
                                  OBD_CONNECT_EINPROGRESS |
                                  OBD_CONNECT_JOBSTATS | OBD_CONNECT_LVB_TYPE |
-                                 OBD_CONNECT_LAYOUTLOCK | OBD_CONNECT_PINGLESS;
+                                 OBD_CONNECT_LAYOUTLOCK |
+                                 OBD_CONNECT_PINGLESS | OBD_CONNECT_LFSCK;
 
         if (sbi->ll_flags & LL_SBI_SOM_PREVIEW)
                 data->ocd_connect_flags |= OBD_CONNECT_SOM;
@@ -1232,7 +1245,7 @@ static struct inode *ll_iget_anon_dir(struct super_block *sb,
                struct lmv_stripe_md *lsm = md->lmv;
 
                inode->i_mode = (inode->i_mode & ~S_IFMT) |
-                               (body->mode & S_IFMT);
+                               (body->mbo_mode & S_IFMT);
                LASSERTF(S_ISDIR(inode->i_mode), "Not slave inode "DFID"\n",
                         PFID(fid));
 
@@ -1250,9 +1263,9 @@ static struct inode *ll_iget_anon_dir(struct super_block *sb,
                ll_lli_init(lli);
 
                LASSERT(lsm != NULL);
-               /* master stripe FID */
-               lli->lli_pfid = lsm->lsm_md_oinfo[0].lmo_fid;
-               CDEBUG(D_INODE, "lli %p master "DFID" slave "DFID"\n",
+               /* master object FID */
+               lli->lli_pfid = body->mbo_fid1;
+               CDEBUG(D_INODE, "lli %p slave "DFID" master "DFID"\n",
                       lli, PFID(fid), PFID(&lli->lli_pfid));
                unlock_new_inode(inode);
        }
@@ -1273,21 +1286,23 @@ static int ll_init_lsm_md(struct inode *inode, struct lustre_md *md)
        for (i = 0; i < lsm->lsm_md_stripe_count; i++) {
                fid = &lsm->lsm_md_oinfo[i].lmo_fid;
                LASSERT(lsm->lsm_md_oinfo[i].lmo_root == NULL);
-               if (i == 0) {
+               /* Unfortunately ll_iget will call ll_update_inode,
+                * where the initialization of slave inode is slightly
+                * different, so it reset lsm_md to NULL to avoid
+                * initializing lsm for slave inode. */
+               /* For migrating inode, master stripe and master object will
+                * be same, so we only need assign this inode */
+               if (lsm->lsm_md_hash_type & LMV_HASH_FLAG_MIGRATION && i == 0)
                        lsm->lsm_md_oinfo[i].lmo_root = inode;
-               } else {
-                       /* Unfortunately ll_iget will call ll_update_inode,
-                        * where the initialization of slave inode is slightly
-                        * different, so it reset lsm_md to NULL to avoid
-                        * initializing lsm for slave inode. */
+               else
                        lsm->lsm_md_oinfo[i].lmo_root =
-                                       ll_iget_anon_dir(inode->i_sb, fid, md);
-                       if (IS_ERR(lsm->lsm_md_oinfo[i].lmo_root)) {
-                               int rc = PTR_ERR(lsm->lsm_md_oinfo[i].lmo_root);
+                               ll_iget_anon_dir(inode->i_sb, fid, md);
 
-                               lsm->lsm_md_oinfo[i].lmo_root = NULL;
-                               return rc;
-                       }
+               if (IS_ERR(lsm->lsm_md_oinfo[i].lmo_root)) {
+                       int rc = PTR_ERR(lsm->lsm_md_oinfo[i].lmo_root);
+
+                       lsm->lsm_md_oinfo[i].lmo_root = NULL;
+                       return rc;
                }
        }
 
@@ -1315,7 +1330,6 @@ static int ll_update_lsm_md(struct inode *inode, struct lustre_md *md)
 {
        struct ll_inode_info *lli = ll_i2info(inode);
        struct lmv_stripe_md *lsm = md->lmv;
-       int     idx;
        int     rc;
        ENTRY;
 
@@ -1327,7 +1341,8 @@ static int ll_update_lsm_md(struct inode *inode, struct lustre_md *md)
        if (lsm == NULL) {
                if (lli->lli_lsm_md == NULL) {
                        RETURN(0);
-               } else if (lli->lli_lsm_md->lsm_md_magic == LMV_MAGIC_MIGRATE) {
+               } else if (lli->lli_lsm_md->lsm_md_hash_type &
+                                               LMV_HASH_FLAG_MIGRATION) {
                        /* migration is done, the temporay MIGRATE layout has
                         * been removed */
                        CDEBUG(D_INODE, DFID" finish migration.\n",
@@ -1359,39 +1374,39 @@ static int ll_update_lsm_md(struct inode *inode, struct lustre_md *md)
        }
 
        /* Compare the old and new stripe information */
-       if (!lli_lsm_md_eq(lli->lli_lsm_md, lsm)) {
-               CERROR("inode %p %lu mismatch\n"
-                      "    new(%p)     vs     lli_lsm_md(%p):\n"
-                      "    magic:      %x                   %x\n"
-                      "    count:      %x                   %x\n"
-                      "    master:     %x                   %x\n"
-                      "    hash_type:  %x                   %x\n"
-                      "    layout:     %x                   %x\n"
-                      "    pool:       %s                   %s\n",
-                      inode, inode->i_ino, lsm, lli->lli_lsm_md,
-                      lsm->lsm_md_magic, lli->lli_lsm_md->lsm_md_magic,
+       if (!lsm_md_eq(lli->lli_lsm_md, lsm)) {
+               struct lmv_stripe_md    *old_lsm = lli->lli_lsm_md;
+               int                     idx;
+
+               CERROR("%s: inode "DFID"(%p)'s lmv layout mismatch (%p)/(%p)"
+                      "magic:0x%x/0x%x stripe count: %d/%d master_mdt: %d/%d"
+                      "hash_type:0x%x/0x%x layout: 0x%x/0x%x pool:%s/%s\n",
+                      ll_get_fsname(inode->i_sb, NULL, 0), PFID(&lli->lli_fid),
+                      inode, lsm, old_lsm,
+                      lsm->lsm_md_magic, old_lsm->lsm_md_magic,
                       lsm->lsm_md_stripe_count,
-                      lli->lli_lsm_md->lsm_md_stripe_count,
+                      old_lsm->lsm_md_stripe_count,
                       lsm->lsm_md_master_mdt_index,
-                      lli->lli_lsm_md->lsm_md_master_mdt_index,
-                      lsm->lsm_md_hash_type, lli->lli_lsm_md->lsm_md_hash_type,
+                      old_lsm->lsm_md_master_mdt_index,
+                      lsm->lsm_md_hash_type, old_lsm->lsm_md_hash_type,
                       lsm->lsm_md_layout_version,
-                      lli->lli_lsm_md->lsm_md_layout_version,
+                      old_lsm->lsm_md_layout_version,
                       lsm->lsm_md_pool_name,
-                      lli->lli_lsm_md->lsm_md_pool_name);
-               RETURN(-EIO);
-       }
+                      old_lsm->lsm_md_pool_name);
+
+               for (idx = 0; idx < old_lsm->lsm_md_stripe_count; idx++) {
+                       CERROR("%s: sub FIDs in old lsm idx %d, old: "DFID"\n",
+                              ll_get_fsname(inode->i_sb, NULL, 0), idx,
+                              PFID(&old_lsm->lsm_md_oinfo[idx].lmo_fid));
+               }
 
-       for (idx = 0; idx < lli->lli_lsm_md->lsm_md_stripe_count; idx++) {
-               if (!lu_fid_eq(&lli->lli_lsm_md->lsm_md_oinfo[idx].lmo_fid,
-                              &lsm->lsm_md_oinfo[idx].lmo_fid)) {
-                       CERROR("%s: FID in lsm mismatch idx %d, old: "DFID
-                              "new:"DFID"\n",
+               for (idx = 0; idx < lsm->lsm_md_stripe_count; idx++) {
+                       CERROR("%s: sub FIDs in new lsm idx %d, new: "DFID"\n",
                               ll_get_fsname(inode->i_sb, NULL, 0), idx,
-                            PFID(&lli->lli_lsm_md->lsm_md_oinfo[idx].lmo_fid),
                               PFID(&lsm->lsm_md_oinfo[idx].lmo_fid));
-                       RETURN(-EIO);
                }
+
+               RETURN(-EIO);
        }
 
        rc = md_update_lsm_md(ll_i2mdexp(inode), ll_i2info(inode)->lli_lsm_md,
@@ -1524,8 +1539,8 @@ int ll_md_setattr(struct dentry *dentry, struct md_op_data *op_data,
        op_data->op_attr.ia_valid = ia_valid;
 
         /* Extract epoch data if obtained. */
-        op_data->op_handle = md.body->handle;
-        op_data->op_ioepoch = md.body->ioepoch;
+       op_data->op_handle = md.body->mbo_handle;
+       op_data->op_ioepoch = md.body->mbo_ioepoch;
 
        rc = ll_update_inode(inode, &md);
        ptlrpc_req_finished(request);
@@ -1785,12 +1800,14 @@ int ll_setattr(struct dentry *de, struct iattr *attr)
              !(attr->ia_mode & S_ISGID))))
                attr->ia_valid |= ATTR_FORCE;
 
-       if ((mode & S_ISUID) &&
+       if ((attr->ia_valid & ATTR_MODE) &&
+           (mode & S_ISUID) &&
            !(attr->ia_mode & S_ISUID) &&
            !(attr->ia_valid & ATTR_KILL_SUID))
                attr->ia_valid |= ATTR_KILL_SUID;
 
-       if (((mode & (S_ISGID|S_IXGRP)) == (S_ISGID|S_IXGRP)) &&
+       if ((attr->ia_valid & ATTR_MODE) &&
+           ((mode & (S_ISGID|S_IXGRP)) == (S_ISGID|S_IXGRP)) &&
            !(attr->ia_mode & S_ISGID) &&
            !(attr->ia_valid & ATTR_KILL_SGID))
                attr->ia_valid |= ATTR_KILL_SGID;
@@ -1913,7 +1930,7 @@ int ll_update_inode(struct inode *inode, struct lustre_md *md)
        struct lov_stripe_md *lsm = md->lsm;
        struct ll_sb_info *sbi = ll_i2sbi(inode);
 
-       LASSERT ((lsm != NULL) == ((body->valid & OBD_MD_FLEASIZE) != 0));
+       LASSERT((lsm != NULL) == ((body->mbo_valid & OBD_MD_FLEASIZE) != 0));
        if (lsm != NULL) {
                if (!lli->lli_has_smd &&
                    !(sbi->ll_flags & LL_SBI_LAYOUT_LOCK))
@@ -1933,11 +1950,11 @@ int ll_update_inode(struct inode *inode, struct lustre_md *md)
        }
 
        if (sbi->ll_flags & LL_SBI_RMT_CLIENT) {
-                if (body->valid & OBD_MD_FLRMTPERM)
-                        ll_update_remote_perm(inode, md->remote_perm);
-        }
+               if (body->mbo_valid & OBD_MD_FLRMTPERM)
+                       ll_update_remote_perm(inode, md->remote_perm);
+       }
 #ifdef CONFIG_FS_POSIX_ACL
-       else if (body->valid & OBD_MD_FLACL) {
+       else if (body->mbo_valid & OBD_MD_FLACL) {
                spin_lock(&lli->lli_lock);
                if (lli->lli_posix_acl)
                        posix_acl_release(lli->lli_posix_acl);
@@ -1945,66 +1962,74 @@ int ll_update_inode(struct inode *inode, struct lustre_md *md)
                spin_unlock(&lli->lli_lock);
        }
 #endif
-       inode->i_ino = cl_fid_build_ino(&body->fid1,
+       inode->i_ino = cl_fid_build_ino(&body->mbo_fid1,
                                        sbi->ll_flags & LL_SBI_32BIT_API);
-       inode->i_generation = cl_fid_build_gen(&body->fid1);
+       inode->i_generation = cl_fid_build_gen(&body->mbo_fid1);
 
-        if (body->valid & OBD_MD_FLATIME) {
-                if (body->atime > LTIME_S(inode->i_atime))
-                        LTIME_S(inode->i_atime) = body->atime;
-                lli->lli_lvb.lvb_atime = body->atime;
-        }
-        if (body->valid & OBD_MD_FLMTIME) {
-                if (body->mtime > LTIME_S(inode->i_mtime)) {
-                        CDEBUG(D_INODE, "setting ino %lu mtime from %lu "
-                               "to "LPU64"\n", inode->i_ino,
-                               LTIME_S(inode->i_mtime), body->mtime);
-                        LTIME_S(inode->i_mtime) = body->mtime;
-                }
-                lli->lli_lvb.lvb_mtime = body->mtime;
-        }
-        if (body->valid & OBD_MD_FLCTIME) {
-                if (body->ctime > LTIME_S(inode->i_ctime))
-                        LTIME_S(inode->i_ctime) = body->ctime;
-                lli->lli_lvb.lvb_ctime = body->ctime;
-        }
-        if (body->valid & OBD_MD_FLMODE)
-                inode->i_mode = (inode->i_mode & S_IFMT)|(body->mode & ~S_IFMT);
-        if (body->valid & OBD_MD_FLTYPE)
-                inode->i_mode = (inode->i_mode & ~S_IFMT)|(body->mode & S_IFMT);
-        LASSERT(inode->i_mode != 0);
-        if (S_ISREG(inode->i_mode)) {
-                inode->i_blkbits = min(PTLRPC_MAX_BRW_BITS + 1, LL_MAX_BLKSIZE_BITS);
-        } else {
-                inode->i_blkbits = inode->i_sb->s_blocksize_bits;
-        }
-       if (body->valid & OBD_MD_FLUID)
-               inode->i_uid = make_kuid(&init_user_ns, body->uid);
-       if (body->valid & OBD_MD_FLGID)
-               inode->i_gid = make_kgid(&init_user_ns, body->gid);
-       if (body->valid & OBD_MD_FLFLAGS)
-               inode->i_flags = ll_ext_to_inode_flags(body->flags);
-       if (body->valid & OBD_MD_FLNLINK)
-               set_nlink(inode, body->nlink);
-       if (body->valid & OBD_MD_FLRDEV)
-               inode->i_rdev = old_decode_dev(body->rdev);
-
-       if (body->valid & OBD_MD_FLID) {
+       if (body->mbo_valid & OBD_MD_FLATIME) {
+               if (body->mbo_atime > LTIME_S(inode->i_atime))
+                       LTIME_S(inode->i_atime) = body->mbo_atime;
+               lli->lli_lvb.lvb_atime = body->mbo_atime;
+       }
+
+       if (body->mbo_valid & OBD_MD_FLMTIME) {
+               if (body->mbo_mtime > LTIME_S(inode->i_mtime)) {
+                       CDEBUG(D_INODE, "setting ino %lu mtime from %lu "
+                              "to "LPU64"\n", inode->i_ino,
+                              LTIME_S(inode->i_mtime), body->mbo_mtime);
+                       LTIME_S(inode->i_mtime) = body->mbo_mtime;
+               }
+               lli->lli_lvb.lvb_mtime = body->mbo_mtime;
+       }
+
+       if (body->mbo_valid & OBD_MD_FLCTIME) {
+               if (body->mbo_ctime > LTIME_S(inode->i_ctime))
+                       LTIME_S(inode->i_ctime) = body->mbo_ctime;
+               lli->lli_lvb.lvb_ctime = body->mbo_ctime;
+       }
+
+       if (body->mbo_valid & OBD_MD_FLMODE)
+               inode->i_mode = (inode->i_mode & S_IFMT) |
+                               (body->mbo_mode & ~S_IFMT);
+
+       if (body->mbo_valid & OBD_MD_FLTYPE)
+               inode->i_mode = (inode->i_mode & ~S_IFMT) |
+                               (body->mbo_mode & S_IFMT);
+
+       LASSERT(inode->i_mode != 0);
+       if (S_ISREG(inode->i_mode))
+               inode->i_blkbits = min(PTLRPC_MAX_BRW_BITS + 1,
+                                      LL_MAX_BLKSIZE_BITS);
+       else
+               inode->i_blkbits = inode->i_sb->s_blocksize_bits;
+
+       if (body->mbo_valid & OBD_MD_FLUID)
+               inode->i_uid = make_kuid(&init_user_ns, body->mbo_uid);
+       if (body->mbo_valid & OBD_MD_FLGID)
+               inode->i_gid = make_kgid(&init_user_ns, body->mbo_gid);
+       if (body->mbo_valid & OBD_MD_FLFLAGS)
+               inode->i_flags = ll_ext_to_inode_flags(body->mbo_flags);
+       if (body->mbo_valid & OBD_MD_FLNLINK)
+               set_nlink(inode, body->mbo_nlink);
+       if (body->mbo_valid & OBD_MD_FLRDEV)
+               inode->i_rdev = old_decode_dev(body->mbo_rdev);
+
+       if (body->mbo_valid & OBD_MD_FLID) {
                /* FID shouldn't be changed! */
                if (fid_is_sane(&lli->lli_fid)) {
-                       LASSERTF(lu_fid_eq(&lli->lli_fid, &body->fid1),
+                       LASSERTF(lu_fid_eq(&lli->lli_fid, &body->mbo_fid1),
                                 "Trying to change FID "DFID
                                 " to the "DFID", inode "DFID"(%p)\n",
-                                PFID(&lli->lli_fid), PFID(&body->fid1),
+                                PFID(&lli->lli_fid), PFID(&body->mbo_fid1),
                                 PFID(ll_inode2fid(inode)), inode);
                } else {
-                       lli->lli_fid = body->fid1;
+                       lli->lli_fid = body->mbo_fid1;
                }
        }
 
-        LASSERT(fid_seq(&lli->lli_fid) != 0);
+       LASSERT(fid_seq(&lli->lli_fid) != 0);
 
-        if (body->valid & OBD_MD_FLSIZE) {
+       if (body->mbo_valid & OBD_MD_FLSIZE) {
                 if (exp_connect_som(ll_i2mdexp(inode)) &&
                    S_ISREG(inode->i_mode)) {
                         struct lustre_handle lockh;
@@ -2031,7 +2056,7 @@ int ll_update_inode(struct inode *inode, struct lustre_md *md)
                                 } else {
                                         /* Use old size assignment to avoid
                                          * deadlock bz14138 & bz14326 */
-                                        i_size_write(inode, body->size);
+                                       i_size_write(inode, body->mbo_size);
                                        spin_lock(&lli->lli_lock);
                                         lli->lli_flags |= LLIF_MDS_SIZE_LOCK;
                                        spin_unlock(&lli->lli_lock);
@@ -2041,29 +2066,30 @@ int ll_update_inode(struct inode *inode, struct lustre_md *md)
                 } else {
                         /* Use old size assignment to avoid
                          * deadlock bz14138 & bz14326 */
-                        i_size_write(inode, body->size);
+                       i_size_write(inode, body->mbo_size);
 
                        CDEBUG(D_VFSTRACE,
                               "inode="DFID", updating i_size %llu\n",
                               PFID(ll_inode2fid(inode)),
-                              (unsigned long long)body->size);
-                }
+                              (unsigned long long)body->mbo_size);
+               }
 
-                if (body->valid & OBD_MD_FLBLOCKS)
-                        inode->i_blocks = body->blocks;
-        }
+               if (body->mbo_valid & OBD_MD_FLBLOCKS)
+                       inode->i_blocks = body->mbo_blocks;
+       }
 
-        if (body->valid & OBD_MD_FLMDSCAPA) {
-                LASSERT(md->mds_capa);
-                ll_add_capa(inode, md->mds_capa);
-        }
-        if (body->valid & OBD_MD_FLOSSCAPA) {
-                LASSERT(md->oss_capa);
-                ll_add_capa(inode, md->oss_capa);
-        }
+       if (body->mbo_valid & OBD_MD_FLMDSCAPA) {
+               LASSERT(md->mds_capa);
+               ll_add_capa(inode, md->mds_capa);
+       }
 
-       if (body->valid & OBD_MD_TSTATE) {
-               if (body->t_state & MS_RESTORE)
+       if (body->mbo_valid & OBD_MD_FLOSSCAPA) {
+               LASSERT(md->oss_capa);
+               ll_add_capa(inode, md->oss_capa);
+       }
+
+       if (body->mbo_valid & OBD_MD_TSTATE) {
+               if (body->mbo_t_state & MS_RESTORE)
                        lli->lli_flags |= LLIF_FILE_RESTORING;
        }
 
@@ -2144,7 +2170,7 @@ void ll_delete_inode(struct inode *inode)
                spin_unlock_irq(&inode->i_data.tree_lock);
                 LASSERTF(inode->i_data.nrpages == 0,
                         "inode="DFID"(%p) nrpages=%lu, see "
-                        "http://jira.whamcloud.com/browse/LU-118\n",
+                        "https://jira.hpdd.intel.com/browse/LU-118\n",
                         PFID(ll_inode2fid(inode)), inode,
                          inode->i_data.nrpages);
         }
@@ -2189,7 +2215,7 @@ int ll_iocontrol(struct inode *inode, struct file *file,
 
                 body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
 
-                flags = body->flags;
+               flags = body->mbo_flags;
 
                 ptlrpc_req_finished(req);
 
@@ -2376,9 +2402,9 @@ int ll_prep_inode(struct inode **inode, struct ptlrpc_request *req,
                  * At this point server returns to client's same fid as client
                  * generated for creating. So using ->fid1 is okay here.
                  */
-                LASSERT(fid_is_sane(&md.body->fid1));
+               LASSERT(fid_is_sane(&md.body->mbo_fid1));
 
-               *inode = ll_iget(sb, cl_fid_build_ino(&md.body->fid1,
+               *inode = ll_iget(sb, cl_fid_build_ino(&md.body->mbo_fid1,
                                             sbi->ll_flags & LL_SBI_32BIT_API),
                                 &md);
                if (IS_ERR(*inode)) {
@@ -2510,8 +2536,17 @@ struct md_op_data * ll_prep_md_op_data(struct md_op_data *op_data,
 {
         LASSERT(i1 != NULL);
 
-        if (namelen > ll_i2sbi(i1)->ll_namelen)
-                return ERR_PTR(-ENAMETOOLONG);
+       if (name == NULL) {
+               /* Do not reuse namelen for something else. */
+               if (namelen != 0)
+                       return ERR_PTR(-EINVAL);
+       } else {
+               if (namelen > ll_i2sbi(i1)->ll_namelen)
+                       return ERR_PTR(-ENAMETOOLONG);
+
+               if (!lu_name_is_valid_2(name, namelen))
+                       return ERR_PTR(-EINVAL);
+       }
 
         if (op_data == NULL)
                 OBD_ALLOC_PTR(op_data);
@@ -2551,24 +2586,12 @@ struct md_op_data * ll_prep_md_op_data(struct md_op_data *op_data,
        op_data->op_bias = 0;
        op_data->op_cli_flags = 0;
        if ((opc == LUSTRE_OPC_CREATE) && (name != NULL) &&
-            filename_is_volatile(name, namelen, NULL))
+            filename_is_volatile(name, namelen, &op_data->op_mds)) {
                op_data->op_bias |= MDS_CREATE_VOLATILE;
-       op_data->op_mds = 0;
-       op_data->op_data = data;
-
-        /* If the file is being opened after mknod() (normally due to NFS)
-         * try to use the default stripe data from parent directory for
-         * allocating OST objects.  Try to pass the parent FID to MDS. */
-        if (opc == LUSTRE_OPC_CREATE && i1 == i2 && S_ISREG(i2->i_mode) &&
-           !ll_i2info(i2)->lli_has_smd) {
-               struct ll_inode_info *lli = ll_i2info(i2);
-
-               spin_lock(&lli->lli_lock);
-               if (likely(!lli->lli_has_smd && !fid_is_zero(&lli->lli_pfid)))
-                       op_data->op_fid1 = lli->lli_pfid;
-               spin_unlock(&lli->lli_lock);
-               /** We ignore parent's capability temporary. */
+       } else {
+               op_data->op_mds = 0;
        }
+       op_data->op_data = data;
 
        /* When called by ll_setattr_raw, file is i1. */
        if (LLIF_DATA_MODIFIED & ll_i2info(i1)->lli_flags)
@@ -2721,3 +2744,41 @@ void ll_dirty_page_discard_warn(struct page *page, int ioret)
        if (buf != NULL)
                free_page((unsigned long)buf);
 }
+
+/*
+ * Compute llite root squash state after a change of root squash
+ * configuration setting or add/remove of a lnet nid
+ */
+void ll_compute_rootsquash_state(struct ll_sb_info *sbi)
+{
+       struct root_squash_info *squash = &sbi->ll_squash;
+       int i;
+       bool matched;
+       lnet_process_id_t id;
+
+       /* Update norootsquash flag */
+       down_write(&squash->rsi_sem);
+       if (list_empty(&squash->rsi_nosquash_nids))
+               sbi->ll_flags &= ~LL_SBI_NOROOTSQUASH;
+       else {
+               /* Do not apply root squash as soon as one of our NIDs is
+                * in the nosquash_nids list */
+               matched = false;
+               i = 0;
+               while (LNetGetId(i++, &id) != -ENOENT) {
+                       if (LNET_NETTYP(LNET_NIDNET(id.nid)) == LOLND)
+                               continue;
+                       if (cfs_match_nid(id.nid, &squash->rsi_nosquash_nids)) {
+                               matched = true;
+                               break;
+                       }
+               }
+               if (matched)
+                       sbi->ll_flags |= LL_SBI_NOROOTSQUASH;
+               else
+                       sbi->ll_flags &= ~LL_SBI_NOROOTSQUASH;
+       }
+       up_write(&squash->rsi_sem);
+}
+
+