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LU-451 Workaround for lockd (nfsv3) locking
[fs/lustre-release.git] / lustre / llite / file.c
index c98ff0a..4ca1911 100644 (file)
@@ -26,7 +26,7 @@
  * GPL HEADER END
  */
 /*
- * Copyright  2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  */
 /*
@@ -75,7 +75,8 @@ void ll_pack_inode2opdata(struct inode *inode, struct md_op_data *op_data,
         op_data->op_attr.ia_ctime = inode->i_ctime;
         op_data->op_attr.ia_size = i_size_read(inode);
         op_data->op_attr_blocks = inode->i_blocks;
-        ((struct ll_iattr *)&op_data->op_attr)->ia_attr_flags = inode->i_flags;
+        ((struct ll_iattr *)&op_data->op_attr)->ia_attr_flags =
+                                        ll_inode_to_ext_flags(inode->i_flags);
         op_data->op_ioepoch = ll_i2info(inode)->lli_ioepoch;
         if (fh)
                 op_data->op_handle = *fh;
@@ -200,15 +201,15 @@ int ll_md_real_close(struct inode *inode, int flags)
                 och_usecount = &lli->lli_open_fd_read_count;
         }
 
-        down(&lli->lli_och_sem);
+        cfs_down(&lli->lli_och_sem);
         if (*och_usecount) { /* There are still users of this handle, so
                                 skip freeing it. */
-                up(&lli->lli_och_sem);
+                cfs_up(&lli->lli_och_sem);
                 RETURN(0);
         }
         och=*och_p;
         *och_p = NULL;
-        up(&lli->lli_och_sem);
+        cfs_up(&lli->lli_och_sem);
 
         if (och) { /* There might be a race and somebody have freed this och
                       already */
@@ -240,7 +241,7 @@ int ll_md_close(struct obd_export *md_exp, struct inode *inode,
                 struct inode *inode = file->f_dentry->d_inode;
                 ldlm_policy_data_t policy = {.l_inodebits={MDS_INODELOCK_OPEN}};
 
-                down(&lli->lli_och_sem);
+                cfs_down(&lli->lli_och_sem);
                 if (fd->fd_omode & FMODE_WRITE) {
                         lockmode = LCK_CW;
                         LASSERT(lli->lli_open_fd_write_count);
@@ -254,7 +255,7 @@ int ll_md_close(struct obd_export *md_exp, struct inode *inode,
                         LASSERT(lli->lli_open_fd_read_count);
                         lli->lli_open_fd_read_count--;
                 }
-                up(&lli->lli_och_sem);
+                cfs_up(&lli->lli_och_sem);
 
                 if (!md_lock_match(md_exp, flags, ll_inode2fid(inode),
                                    LDLM_IBITS, &policy, lockmode,
@@ -330,7 +331,7 @@ int ll_file_release(struct inode *inode, struct file *file)
 
         rc = ll_md_close(sbi->ll_md_exp, inode, file);
 
-        if (OBD_FAIL_TIMEOUT_MS(OBD_FAIL_PTLRPC_DUMP_LOG, obd_fail_val))
+        if (CFS_FAIL_TIMEOUT_MS(OBD_FAIL_PTLRPC_DUMP_LOG, cfs_fail_val))
                 libcfs_debug_dumplog();
 
         RETURN(rc);
@@ -345,6 +346,7 @@ static int ll_intent_file_open(struct file *file, void *lmm,
         const int len = file->f_dentry->d_name.len;
         struct md_op_data *op_data;
         struct ptlrpc_request *req;
+        __u32 opc = LUSTRE_OPC_ANY;
         int rc;
         ENTRY;
 
@@ -360,12 +362,15 @@ static int ll_intent_file_open(struct file *file, void *lmm,
          * makes a good candidate for using OPEN lock */
         /* If lmmsize & lmm are not 0, we are just setting stripe info
          * parameters. No need for the open lock */
-        if (!lmm && !lmmsize)
+        if (lmm == NULL && lmmsize == 0) {
                 itp->it_flags |= MDS_OPEN_LOCK;
+                if (itp->it_flags & FMODE_WRITE)
+                        opc = LUSTRE_OPC_CREATE;
+        }
 
         op_data  = ll_prep_md_op_data(NULL, parent->d_inode,
                                       file->f_dentry->d_inode, name, len,
-                                      O_RDWR, LUSTRE_OPC_ANY, NULL);
+                                      O_RDWR, opc, NULL);
         if (IS_ERR(op_data))
                 RETURN(PTR_ERR(op_data));
 
@@ -501,12 +506,8 @@ int ll_file_open(struct inode *inode, struct file *file)
         CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p), flags %o\n", inode->i_ino,
                inode->i_generation, inode, file->f_flags);
 
-#ifdef HAVE_VFS_INTENT_PATCHES
-        it = file->f_it;
-#else
         it = file->private_data; /* XXX: compat macro */
         file->private_data = NULL; /* prevent ll_local_open assertion */
-#endif
 
         fd = ll_file_data_get();
         if (fd == NULL)
@@ -514,14 +515,14 @@ int ll_file_open(struct inode *inode, struct file *file)
 
         fd->fd_file = file;
         if (S_ISDIR(inode->i_mode)) {
-                spin_lock(&lli->lli_lock);
+                cfs_spin_lock(&lli->lli_sa_lock);
                 if (lli->lli_opendir_key == NULL && lli->lli_opendir_pid == 0) {
                         LASSERT(lli->lli_sai == NULL);
                         lli->lli_opendir_key = fd;
                         lli->lli_opendir_pid = cfs_curproc_pid();
                         opendir_set = 1;
                 }
-                spin_unlock(&lli->lli_lock);
+                cfs_spin_unlock(&lli->lli_sa_lock);
         }
 
         if (inode->i_sb->s_root == file->f_dentry) {
@@ -542,7 +543,7 @@ int ll_file_open(struct inode *inode, struct file *file)
                  * dentry_open after call to open_namei that checks permissions.
                  * Only nfsd_open call dentry_open directly without checking
                  * permissions and because of that this code below is safe. */
-                if (oit.it_flags & FMODE_WRITE)
+                if (oit.it_flags & (FMODE_WRITE | FMODE_READ))
                         oit.it_flags |= MDS_OPEN_OWNEROVERRIDE;
 
                 /* We do not want O_EXCL here, presumably we opened the file
@@ -571,14 +572,14 @@ restart:
                 och_usecount = &lli->lli_open_fd_read_count;
         }
 
-        down(&lli->lli_och_sem);
+        cfs_down(&lli->lli_och_sem);
         if (*och_p) { /* Open handle is present */
                 if (it_disposition(it, DISP_OPEN_OPEN)) {
                         /* Well, there's extra open request that we do not need,
                            let's close it somehow. This will decref request. */
                         rc = it_open_error(DISP_OPEN_OPEN, it);
                         if (rc) {
-                                up(&lli->lli_och_sem);
+                                cfs_up(&lli->lli_och_sem);
                                 ll_file_data_put(fd);
                                 GOTO(out_openerr, rc);
                         }
@@ -591,7 +592,7 @@ restart:
                 rc = ll_local_open(file, it, fd, NULL);
                 if (rc) {
                         (*och_usecount)--;
-                        up(&lli->lli_och_sem);
+                        cfs_up(&lli->lli_och_sem);
                         ll_file_data_put(fd);
                         GOTO(out_openerr, rc);
                 }
@@ -603,7 +604,7 @@ restart:
                            could be cancelled, and since blocking ast handler
                            would attempt to grab och_sem as well, that would
                            result in a deadlock */
-                        up(&lli->lli_och_sem);
+                        cfs_up(&lli->lli_och_sem);
                         it->it_create_mode |= M_CHECK_STALE;
                         rc = ll_intent_file_open(file, NULL, 0, it);
                         it->it_create_mode &= ~M_CHECK_STALE;
@@ -645,7 +646,7 @@ restart:
                         GOTO(out_och_free, rc);
                 }
         }
-        up(&lli->lli_och_sem);
+        cfs_up(&lli->lli_och_sem);
 
         /* Must do this outside lli_och_sem lock to prevent deadlock where
            different kind of OPEN lock for this same inode gets cancelled
@@ -676,7 +677,7 @@ out_och_free:
                         *och_p = NULL; /* OBD_FREE writes some magic there */
                         (*och_usecount)--;
                 }
-                up(&lli->lli_och_sem);
+                cfs_up(&lli->lli_och_sem);
 out_openerr:
                 if (opendir_set != 0)
                         ll_stop_statahead(inode, lli->lli_opendir_key);
@@ -688,7 +689,7 @@ out_openerr:
 /* Fills the obdo with the attributes for the lsm */
 static int ll_lsm_getattr(struct lov_stripe_md *lsm, struct obd_export *exp,
                           struct obd_capa *capa, struct obdo *obdo,
-                          __u64 ioepoch)
+                          __u64 ioepoch, int sync)
 {
         struct ptlrpc_request_set *set;
         struct obd_info            oinfo = { { { 0 } } };
@@ -701,7 +702,7 @@ static int ll_lsm_getattr(struct lov_stripe_md *lsm, struct obd_export *exp,
         oinfo.oi_md = lsm;
         oinfo.oi_oa = obdo;
         oinfo.oi_oa->o_id = lsm->lsm_object_id;
-        oinfo.oi_oa->o_gr = lsm->lsm_object_gr;
+        oinfo.oi_oa->o_seq = lsm->lsm_object_seq;
         oinfo.oi_oa->o_mode = S_IFREG;
         oinfo.oi_oa->o_ioepoch = ioepoch;
         oinfo.oi_oa->o_valid = OBD_MD_FLID | OBD_MD_FLTYPE |
@@ -710,6 +711,10 @@ static int ll_lsm_getattr(struct lov_stripe_md *lsm, struct obd_export *exp,
                                OBD_MD_FLMTIME | OBD_MD_FLCTIME |
                                OBD_MD_FLGROUP | OBD_MD_FLEPOCH;
         oinfo.oi_capa = capa;
+        if (sync) {
+                oinfo.oi_oa->o_valid |= OBD_MD_FLFLAGS;
+                oinfo.oi_oa->o_flags |= OBD_FL_SRVLOCK;
+        }
 
         set = ptlrpc_prep_set();
         if (set == NULL) {
@@ -728,8 +733,12 @@ static int ll_lsm_getattr(struct lov_stripe_md *lsm, struct obd_export *exp,
         RETURN(rc);
 }
 
-/** Performs the getattr for @ioepoch on the inode and updates its fields. */
-int ll_inode_getattr(struct inode *inode, struct obdo *obdo, __u64 ioepoch)
+/**
+  * Performs the getattr on the inode and updates its fields.
+  * If @sync != 0, perform the getattr under the server-side lock.
+  */
+int ll_inode_getattr(struct inode *inode, struct obdo *obdo,
+                     __u64 ioepoch, int sync)
 {
         struct ll_inode_info *lli  = ll_i2info(inode);
         struct obd_capa      *capa = ll_mdscapa_get(inode);
@@ -737,7 +746,7 @@ int ll_inode_getattr(struct inode *inode, struct obdo *obdo, __u64 ioepoch)
         ENTRY;
 
         rc = ll_lsm_getattr(lli->lli_smd, ll_i2dtexp(inode),
-                            capa, obdo, ioepoch);
+                            capa, obdo, ioepoch, sync);
         capa_put(capa);
         if (rc == 0) {
                 obdo_refresh_inode(inode, obdo, obdo->o_valid);
@@ -761,8 +770,17 @@ int ll_merge_lvb(struct inode *inode)
 
         ll_inode_size_lock(inode, 1);
         inode_init_lvb(inode, &lvb);
+
+        /* merge timestamps the most resently obtained from mds with
+           timestamps obtained from osts */
+        lvb.lvb_atime = lli->lli_lvb.lvb_atime;
+        lvb.lvb_mtime = lli->lli_lvb.lvb_mtime;
+        lvb.lvb_ctime = lli->lli_lvb.lvb_ctime;
         rc = obd_merge_lvb(sbi->ll_dt_exp, lli->lli_smd, &lvb, 0);
-        i_size_write(inode, lvb.lvb_size);
+        cl_isize_write_nolock(inode, lvb.lvb_size);
+
+        CDEBUG(D_VFSTRACE, DFID" updating i_size "LPU64"\n",
+               PFID(&lli->lli_fid), lvb.lvb_size);
         inode->i_blocks = lvb.lvb_blocks;
 
         LTIME_S(inode->i_mtime) = lvb.lvb_mtime;
@@ -779,7 +797,7 @@ int ll_glimpse_ioctl(struct ll_sb_info *sbi, struct lov_stripe_md *lsm,
         struct obdo obdo = { 0 };
         int rc;
 
-        rc = ll_lsm_getattr(lsm, sbi->ll_dt_exp, NULL, &obdo, 0);
+        rc = ll_lsm_getattr(lsm, sbi->ll_dt_exp, NULL, &obdo, 0, 0);
         if (rc == 0) {
                 st->st_size   = obdo.o_size;
                 st->st_blocks = obdo.o_blocks;
@@ -794,10 +812,9 @@ void ll_io_init(struct cl_io *io, const struct file *file, int write)
 {
         struct inode *inode = file->f_dentry->d_inode;
 
-        memset(io, 0, sizeof *io);
         io->u.ci_rw.crw_nonblock = file->f_flags & O_NONBLOCK;
         if (write)
-                io->u.ci_wr.wr_append = file->f_flags & O_APPEND;
+                io->u.ci_wr.wr_append = !!(file->f_flags & O_APPEND);
         io->ci_obj     = ll_i2info(inode)->lli_clob;
         io->ci_lockreq = CILR_MAYBE;
         if (ll_file_nolock(file)) {
@@ -812,17 +829,17 @@ static ssize_t ll_file_io_generic(const struct lu_env *env,
                 struct vvp_io_args *args, struct file *file,
                 enum cl_io_type iot, loff_t *ppos, size_t count)
 {
-        struct cl_io       *io;
-        ssize_t             result;
+        struct ll_inode_info *lli = ll_i2info(file->f_dentry->d_inode);
+        struct cl_io         *io;
+        ssize_t               result;
         ENTRY;
 
-        io = &ccc_env_info(env)->cti_io;
+        io = ccc_env_thread_io(env);
         ll_io_init(io, file, iot == CIT_WRITE);
 
         if (cl_io_rw_init(env, io, iot, *ppos, count) == 0) {
                 struct vvp_io *vio = vvp_env_io(env);
                 struct ccc_io *cio = ccc_env_io(env);
-                struct ll_inode_info *lli = ll_i2info(file->f_dentry->d_inode);
                 int write_sem_locked = 0;
 
                 cio->cui_fd  = LUSTRE_FPRIVATE(file);
@@ -832,13 +849,17 @@ static ssize_t ll_file_io_generic(const struct lu_env *env,
                 case IO_NORMAL:
                         cio->cui_iov = args->u.normal.via_iov;
                         cio->cui_nrsegs = args->u.normal.via_nrsegs;
+                        cio->cui_tot_nrsegs = cio->cui_nrsegs;
 #ifndef HAVE_FILE_WRITEV
                         cio->cui_iocb = args->u.normal.via_iocb;
 #endif
                         if ((iot == CIT_WRITE) &&
                             !(cio->cui_fd->fd_flags & LL_FILE_GROUP_LOCKED)) {
-                                down(&lli->lli_write_sem);
+                                if(cfs_down_interruptible(&lli->lli_write_sem))
+                                        GOTO(out, result = -ERESTARTSYS);
                                 write_sem_locked = 1;
+                        } else if (iot == CIT_READ) {
+                                cfs_down_read(&lli->lli_trunc_sem);
                         }
                         break;
                 case IO_SENDFILE:
@@ -855,7 +876,9 @@ static ssize_t ll_file_io_generic(const struct lu_env *env,
                 }
                 result = cl_io_loop(env, io);
                 if (write_sem_locked)
-                        up(&lli->lli_write_sem);
+                        cfs_up(&lli->lli_write_sem);
+                else if (args->via_io_subtype == IO_NORMAL && iot == CIT_READ)
+                        cfs_up_read(&lli->lli_trunc_sem);
         } else {
                 /* cl_io_rw_init() handled IO */
                 result = io->ci_result;
@@ -865,8 +888,12 @@ static ssize_t ll_file_io_generic(const struct lu_env *env,
                 result = io->ci_nob;
                 *ppos = io->u.ci_wr.wr.crw_pos;
         }
+        GOTO(out, result);
+out:
         cl_io_fini(env, io);
-        RETURN(result);
+        if (iot == CIT_WRITE)
+                lli->lli_write_rc = result < 0 ? : 0;
+        return result;
 }
 
 
@@ -1179,11 +1206,10 @@ static ssize_t ll_file_splice_read(struct file *in_file, loff_t *ppos,
 }
 #endif
 
-static int ll_lov_recreate_obj(struct inode *inode, struct file *file,
-                               unsigned long arg)
+static int ll_lov_recreate(struct inode *inode, obd_id id, obd_seq seq,
+                           obd_count ost_idx)
 {
         struct obd_export *exp = ll_i2dtexp(inode);
-        struct ll_recreate_obj ucreatp;
         struct obd_trans_info oti = { 0 };
         struct obdo *oa = NULL;
         int lsm_size;
@@ -1191,13 +1217,6 @@ static int ll_lov_recreate_obj(struct inode *inode, struct file *file,
         struct lov_stripe_md *lsm, *lsm2;
         ENTRY;
 
-        if (!cfs_capable(CFS_CAP_SYS_ADMIN))
-                RETURN(-EPERM);
-
-        if (copy_from_user(&ucreatp, (struct ll_recreate_obj *)arg,
-                           sizeof(struct ll_recreate_obj)))
-                RETURN(-EFAULT);
-
         OBDO_ALLOC(oa);
         if (oa == NULL)
                 RETURN(-ENOMEM);
@@ -1209,22 +1228,21 @@ static int ll_lov_recreate_obj(struct inode *inode, struct file *file,
         lsm_size = sizeof(*lsm) + (sizeof(struct lov_oinfo) *
                    (lsm->lsm_stripe_count));
 
-        OBD_ALLOC(lsm2, lsm_size);
+        OBD_ALLOC_LARGE(lsm2, lsm_size);
         if (lsm2 == NULL)
                 GOTO(out, rc = -ENOMEM);
 
-        oa->o_id = ucreatp.lrc_id;
-        oa->o_gr = ucreatp.lrc_group;
-        oa->o_nlink = ucreatp.lrc_ost_idx;
+        oa->o_id = id;
+        oa->o_seq = seq;
+        oa->o_nlink = ost_idx;
         oa->o_flags |= OBD_FL_RECREATE_OBJS;
         oa->o_valid = OBD_MD_FLID | OBD_MD_FLFLAGS | OBD_MD_FLGROUP;
-        obdo_from_inode(oa, inode, OBD_MD_FLTYPE | OBD_MD_FLATIME |
-                        OBD_MD_FLMTIME | OBD_MD_FLCTIME);
-
+        obdo_from_inode(oa, inode, &ll_i2info(inode)->lli_fid, OBD_MD_FLTYPE |
+                        OBD_MD_FLATIME | OBD_MD_FLMTIME | OBD_MD_FLCTIME);
         memcpy(lsm2, lsm, lsm_size);
         rc = obd_create(exp, oa, &lsm2, &oti);
 
-        OBD_FREE(lsm2, lsm_size);
+        OBD_FREE_LARGE(lsm2, lsm_size);
         GOTO(out, rc);
 out:
         ll_inode_size_unlock(inode, 0);
@@ -1232,6 +1250,41 @@ out:
         return rc;
 }
 
+static int ll_lov_recreate_obj(struct inode *inode, unsigned long arg)
+{
+        struct ll_recreate_obj ucreat;
+        ENTRY;
+
+        if (!cfs_capable(CFS_CAP_SYS_ADMIN))
+                RETURN(-EPERM);
+
+        if (cfs_copy_from_user(&ucreat, (struct ll_recreate_obj *)arg,
+                               sizeof(struct ll_recreate_obj)))
+                RETURN(-EFAULT);
+
+        RETURN(ll_lov_recreate(inode, ucreat.lrc_id, 0,
+                               ucreat.lrc_ost_idx));
+}
+
+static int ll_lov_recreate_fid(struct inode *inode, unsigned long arg)
+{
+        struct lu_fid fid;
+        obd_id id;
+        obd_count ost_idx;
+        ENTRY;
+
+        if (!cfs_capable(CFS_CAP_SYS_ADMIN))
+                RETURN(-EPERM);
+
+        if (cfs_copy_from_user(&fid, (struct lu_fid *)arg,
+                               sizeof(struct lu_fid)))
+                RETURN(-EFAULT);
+
+        id = fid_oid(&fid) | ((fid_seq(&fid) & 0xffff) << 32);
+        ost_idx = (fid_seq(&fid) >> 16) & 0xffff;
+        RETURN(ll_lov_recreate(inode, id, 0, ost_idx));
+}
+
 int ll_lov_setstripe_ea_info(struct inode *inode, struct file *file,
                              int flags, struct lov_user_md *lum, int lum_size)
 {
@@ -1277,19 +1330,22 @@ int ll_lov_getstripe_ea_info(struct inode *inode, const char *filename,
         struct mdt_body  *body;
         struct lov_mds_md *lmm = NULL;
         struct ptlrpc_request *req = NULL;
-        struct obd_capa *oc;
+        struct md_op_data *op_data;
         int rc, lmmsize;
 
         rc = ll_get_max_mdsize(sbi, &lmmsize);
         if (rc)
                 RETURN(rc);
 
-        oc = ll_mdscapa_get(inode);
-        rc = md_getattr_name(sbi->ll_md_exp, ll_inode2fid(inode),
-                             oc, filename, strlen(filename) + 1,
-                             OBD_MD_FLEASIZE | OBD_MD_FLDIREA, lmmsize,
-                             ll_i2suppgid(inode), &req);
-        capa_put(oc);
+        op_data = ll_prep_md_op_data(NULL, inode, NULL, filename,
+                                     strlen(filename), lmmsize,
+                                     LUSTRE_OPC_ANY, NULL);
+        if (op_data == NULL)
+                RETURN(-ENOMEM);
+
+        op_data->op_valid = OBD_MD_FLEASIZE | OBD_MD_FLDIREA;
+        rc = md_getattr_name(sbi->ll_md_exp, op_data, &req);
+        ll_finish_md_op_data(op_data);
         if (rc < 0) {
                 CDEBUG(D_INFO, "md_getattr_name failed "
                        "on %s: rc %d\n", filename, rc);
@@ -1357,18 +1413,18 @@ static int ll_lov_setea(struct inode *inode, struct file *file,
         if (!cfs_capable(CFS_CAP_SYS_ADMIN))
                 RETURN(-EPERM);
 
-        OBD_ALLOC(lump, lum_size);
+        OBD_ALLOC_LARGE(lump, lum_size);
         if (lump == NULL) {
                 RETURN(-ENOMEM);
         }
-        if (copy_from_user(lump, (struct lov_user_md  *)arg, lum_size)) {
-                OBD_FREE(lump, lum_size);
+        if (cfs_copy_from_user(lump, (struct lov_user_md  *)arg, lum_size)) {
+                OBD_FREE_LARGE(lump, lum_size);
                 RETURN(-EFAULT);
         }
 
         rc = ll_lov_setstripe_ea_info(inode, file, flags, lump, lum_size);
 
-        OBD_FREE(lump, lum_size);
+        OBD_FREE_LARGE(lump, lum_size);
         RETURN(rc);
 }
 
@@ -1386,12 +1442,12 @@ static int ll_lov_setstripe(struct inode *inode, struct file *file,
 
         /* first try with v1 which is smaller than v3 */
         lum_size = sizeof(struct lov_user_md_v1);
-        if (copy_from_user(lumv1, lumv1p, lum_size))
+        if (cfs_copy_from_user(lumv1, lumv1p, lum_size))
                 RETURN(-EFAULT);
 
         if (lumv1->lmm_magic == LOV_USER_MAGIC_V3) {
                 lum_size = sizeof(struct lov_user_md_v3);
-                if (copy_from_user(&lumv3, lumv3p, lum_size))
+                if (cfs_copy_from_user(&lumv3, lumv3p, lum_size))
                         RETURN(-EFAULT);
         }
 
@@ -1408,12 +1464,13 @@ static int ll_lov_setstripe(struct inode *inode, struct file *file,
 static int ll_lov_getstripe(struct inode *inode, unsigned long arg)
 {
         struct lov_stripe_md *lsm = ll_i2info(inode)->lli_smd;
+        int rc = -ENODATA;
+        ENTRY;
 
-        if (!lsm)
-                RETURN(-ENODATA);
-
-        return obd_iocontrol(LL_IOC_LOV_GETSTRIPE, ll_i2dtexp(inode), 0, lsm,
-                            (void *)arg);
+        if (lsm != NULL)
+                rc = obd_iocontrol(LL_IOC_LOV_GETSTRIPE, ll_i2dtexp(inode), 0,
+                                   lsm, (void *)arg);
+        RETURN(rc);
 }
 
 int ll_get_grouplock(struct inode *inode, struct file *file, unsigned long arg)
@@ -1427,24 +1484,24 @@ int ll_get_grouplock(struct inode *inode, struct file *file, unsigned long arg)
         if (ll_file_nolock(file))
                 RETURN(-EOPNOTSUPP);
 
-        spin_lock(&lli->lli_lock);
+        cfs_spin_lock(&lli->lli_lock);
         if (fd->fd_flags & LL_FILE_GROUP_LOCKED) {
                 CWARN("group lock already existed with gid %lu\n",
                        fd->fd_grouplock.cg_gid);
-                spin_unlock(&lli->lli_lock);
+                cfs_spin_unlock(&lli->lli_lock);
                 RETURN(-EINVAL);
         }
         LASSERT(fd->fd_grouplock.cg_lock == NULL);
-        spin_unlock(&lli->lli_lock);
+        cfs_spin_unlock(&lli->lli_lock);
 
         rc = cl_get_grouplock(cl_i2info(inode)->lli_clob,
                               arg, (file->f_flags & O_NONBLOCK), &grouplock);
         if (rc)
                 RETURN(rc);
 
-        spin_lock(&lli->lli_lock);
+        cfs_spin_lock(&lli->lli_lock);
         if (fd->fd_flags & LL_FILE_GROUP_LOCKED) {
-                spin_unlock(&lli->lli_lock);
+                cfs_spin_unlock(&lli->lli_lock);
                 CERROR("another thread just won the race\n");
                 cl_put_grouplock(&grouplock);
                 RETURN(-EINVAL);
@@ -1452,7 +1509,7 @@ int ll_get_grouplock(struct inode *inode, struct file *file, unsigned long arg)
 
         fd->fd_flags |= LL_FILE_GROUP_LOCKED;
         fd->fd_grouplock = grouplock;
-        spin_unlock(&lli->lli_lock);
+        cfs_spin_unlock(&lli->lli_lock);
 
         CDEBUG(D_INFO, "group lock %lu obtained\n", arg);
         RETURN(0);
@@ -1465,9 +1522,9 @@ int ll_put_grouplock(struct inode *inode, struct file *file, unsigned long arg)
         struct ccc_grouplock    grouplock;
         ENTRY;
 
-        spin_lock(&lli->lli_lock);
+        cfs_spin_lock(&lli->lli_lock);
         if (!(fd->fd_flags & LL_FILE_GROUP_LOCKED)) {
-                spin_unlock(&lli->lli_lock);
+                cfs_spin_unlock(&lli->lli_lock);
                 CWARN("no group lock held\n");
                 RETURN(-EINVAL);
         }
@@ -1476,14 +1533,14 @@ int ll_put_grouplock(struct inode *inode, struct file *file, unsigned long arg)
         if (fd->fd_grouplock.cg_gid != arg) {
                 CWARN("group lock %lu doesn't match current id %lu\n",
                        arg, fd->fd_grouplock.cg_gid);
-                spin_unlock(&lli->lli_lock);
+                cfs_spin_unlock(&lli->lli_lock);
                 RETURN(-EINVAL);
         }
 
         grouplock = fd->fd_grouplock;
         memset(&fd->fd_grouplock, 0, sizeof(fd->fd_grouplock));
         fd->fd_flags &= ~LL_FILE_GROUP_LOCKED;
-        spin_unlock(&lli->lli_lock);
+        cfs_spin_unlock(&lli->lli_lock);
 
         cl_put_grouplock(&grouplock);
         CDEBUG(D_INFO, "group lock %lu released\n", arg);
@@ -1549,6 +1606,19 @@ int ll_do_fiemap(struct inode *inode, struct ll_user_fiemap *fiemap,
         int rc;
         ENTRY;
 
+        /* Checks for fiemap flags */
+        if (fiemap->fm_flags & ~LUSTRE_FIEMAP_FLAGS_COMPAT) {
+                fiemap->fm_flags &= ~LUSTRE_FIEMAP_FLAGS_COMPAT;
+                return -EBADR;
+        }
+
+        /* Check for FIEMAP_FLAG_SYNC */
+        if (fiemap->fm_flags & FIEMAP_FLAG_SYNC) {
+                rc = filemap_fdatawrite(inode->i_mapping);
+                if (rc)
+                        return rc;
+        }
+
         /* If the stripe_count > 1 and the application does not understand
          * DEVICE_ORDER flag, then it cannot interpret the extents correctly.
          */
@@ -1557,12 +1627,11 @@ int ll_do_fiemap(struct inode *inode, struct ll_user_fiemap *fiemap,
                 return -EOPNOTSUPP;
 
         fm_key.oa.o_id = lsm->lsm_object_id;
-        fm_key.oa.o_gr = lsm->lsm_object_gr;
+        fm_key.oa.o_seq = lsm->lsm_object_seq;
         fm_key.oa.o_valid = OBD_MD_FLID | OBD_MD_FLGROUP;
 
-        obdo_from_inode(&fm_key.oa, inode, OBD_MD_FLFID | OBD_MD_FLGROUP |
+        obdo_from_inode(&fm_key.oa, inode, &ll_i2info(inode)->lli_fid,
                         OBD_MD_FLSIZE);
-
         /* If filesize is 0, then there would be no objects for mapping */
         if (fm_key.oa.o_size == 0) {
                 fiemap->fm_mapped_extents = 0;
@@ -1588,7 +1657,7 @@ int ll_fid2path(struct obd_export *exp, void *arg)
         OBD_ALLOC_PTR(gfin);
         if (gfin == NULL)
                 RETURN(-ENOMEM);
-        if (copy_from_user(gfin, arg, sizeof(*gfin))) {
+        if (cfs_copy_from_user(gfin, arg, sizeof(*gfin))) {
                 OBD_FREE_PTR(gfin);
                 RETURN(-EFAULT);
         }
@@ -1606,7 +1675,7 @@ int ll_fid2path(struct obd_export *exp, void *arg)
         rc = obd_iocontrol(OBD_IOC_FID2PATH, exp, outsize, gfout, NULL);
         if (rc)
                 GOTO(gf_free, rc);
-        if (copy_to_user(arg, gfout, outsize))
+        if (cfs_copy_to_user(arg, gfout, outsize))
                 rc = -EFAULT;
 
 gf_free:
@@ -1614,9 +1683,67 @@ gf_free:
         RETURN(rc);
 }
 
+static int ll_ioctl_fiemap(struct inode *inode, unsigned long arg)
+{
+        struct ll_user_fiemap *fiemap_s;
+        size_t num_bytes, ret_bytes;
+        unsigned int extent_count;
+        int rc = 0;
+
+        /* Get the extent count so we can calculate the size of
+         * required fiemap buffer */
+        if (get_user(extent_count,
+            &((struct ll_user_fiemap __user *)arg)->fm_extent_count))
+                RETURN(-EFAULT);
+        num_bytes = sizeof(*fiemap_s) + (extent_count *
+                                         sizeof(struct ll_fiemap_extent));
+
+        OBD_ALLOC_LARGE(fiemap_s, num_bytes);
+        if (fiemap_s == NULL)
+                RETURN(-ENOMEM);
+
+        /* get the fiemap value */
+        if (copy_from_user(fiemap_s,(struct ll_user_fiemap __user *)arg,
+                           sizeof(*fiemap_s)))
+                GOTO(error, rc = -EFAULT);
+
+        /* If fm_extent_count is non-zero, read the first extent since
+         * it is used to calculate end_offset and device from previous
+         * fiemap call. */
+        if (extent_count) {
+                if (copy_from_user(&fiemap_s->fm_extents[0],
+                    (char __user *)arg + sizeof(*fiemap_s),
+                    sizeof(struct ll_fiemap_extent)))
+                        GOTO(error, rc = -EFAULT);
+        }
+
+        rc = ll_do_fiemap(inode, fiemap_s, num_bytes);
+        if (rc)
+                GOTO(error, rc);
+
+        ret_bytes = sizeof(struct ll_user_fiemap);
+
+        if (extent_count != 0)
+                ret_bytes += (fiemap_s->fm_mapped_extents *
+                                 sizeof(struct ll_fiemap_extent));
+
+        if (copy_to_user((void *)arg, fiemap_s, ret_bytes))
+                rc = -EFAULT;
+
+error:
+        OBD_FREE_LARGE(fiemap_s, num_bytes);
+        RETURN(rc);
+}
+
+#ifdef HAVE_UNLOCKED_IOCTL
+long ll_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+        struct inode *inode = file->f_dentry->d_inode;
+#else
 int ll_file_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
                   unsigned long arg)
 {
+#endif
         struct ll_file_data *fd = LUSTRE_FPRIVATE(file);
         int flags;
         ENTRY;
@@ -1662,73 +1789,11 @@ int ll_file_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
         case LL_IOC_LOV_GETSTRIPE:
                 RETURN(ll_lov_getstripe(inode, arg));
         case LL_IOC_RECREATE_OBJ:
-                RETURN(ll_lov_recreate_obj(inode, file, arg));
-        case FSFILT_IOC_FIEMAP: {
-                struct ll_user_fiemap *fiemap_s;
-                size_t num_bytes, ret_bytes;
-                unsigned int extent_count;
-                int rc = 0;
-
-                /* Get the extent count so we can calculate the size of
-                 * required fiemap buffer */
-                if (get_user(extent_count,
-                    &((struct ll_user_fiemap __user *)arg)->fm_extent_count))
-                        RETURN(-EFAULT);
-                num_bytes = sizeof(*fiemap_s) + (extent_count *
-                                                 sizeof(struct ll_fiemap_extent));
-                OBD_VMALLOC(fiemap_s, num_bytes);
-                if (fiemap_s == NULL)
-                        RETURN(-ENOMEM);
-
-                if (copy_from_user(fiemap_s,(struct ll_user_fiemap __user *)arg,
-                                   sizeof(*fiemap_s)))
-                        GOTO(error, rc = -EFAULT);
-
-                if (fiemap_s->fm_flags & ~LUSTRE_FIEMAP_FLAGS_COMPAT) {
-                        fiemap_s->fm_flags = fiemap_s->fm_flags &
-                                                    ~LUSTRE_FIEMAP_FLAGS_COMPAT;
-                        if (copy_to_user((char *)arg, fiemap_s,
-                                         sizeof(*fiemap_s)))
-                                GOTO(error, rc = -EFAULT);
-
-                        GOTO(error, rc = -EBADR);
-                }
-
-                /* If fm_extent_count is non-zero, read the first extent since
-                 * it is used to calculate end_offset and device from previous
-                 * fiemap call. */
-                if (extent_count) {
-                        if (copy_from_user(&fiemap_s->fm_extents[0],
-                            (char __user *)arg + sizeof(*fiemap_s),
-                            sizeof(struct ll_fiemap_extent)))
-                                GOTO(error, rc = -EFAULT);
-                }
-
-                if (fiemap_s->fm_flags & FIEMAP_FLAG_SYNC) {
-                        int rc;
-
-                        rc = filemap_fdatawrite(inode->i_mapping);
-                        if (rc)
-                                GOTO(error, rc);
-                }
-
-                rc = ll_do_fiemap(inode, fiemap_s, num_bytes);
-                if (rc)
-                        GOTO(error, rc);
-
-                ret_bytes = sizeof(struct ll_user_fiemap);
-
-                if (extent_count != 0)
-                        ret_bytes += (fiemap_s->fm_mapped_extents *
-                                         sizeof(struct ll_fiemap_extent));
-
-                if (copy_to_user((void *)arg, fiemap_s, ret_bytes))
-                        rc = -EFAULT;
-
-error:
-                OBD_VFREE(fiemap_s, num_bytes);
-                RETURN(rc);
-        }
+                RETURN(ll_lov_recreate_obj(inode, arg));
+        case LL_IOC_RECREATE_FID:
+                RETURN(ll_lov_recreate_fid(inode, arg));
+        case FSFILT_IOC_FIEMAP:
+                RETURN(ll_ioctl_fiemap(inode, arg));
         case FSFILT_IOC_GETFLAGS:
         case FSFILT_IOC_SETFLAGS:
                 RETURN(ll_iocontrol(inode, file, cmd, arg));
@@ -1751,8 +1816,8 @@ error:
         case LL_IOC_FLUSHCTX:
                 RETURN(ll_flush_ctx(inode));
         case LL_IOC_PATH2FID: {
-                if (copy_to_user((void *)arg, ll_inode2fid(inode),
-                                 sizeof(struct lu_fid)))
+                if (cfs_copy_to_user((void *)arg, ll_inode2fid(inode),
+                                     sizeof(struct lu_fid)))
                         RETURN(-EFAULT);
 
                 RETURN(0);
@@ -1760,6 +1825,19 @@ error:
         case OBD_IOC_FID2PATH:
                 RETURN(ll_fid2path(ll_i2mdexp(inode), (void *)arg));
 
+        case LL_IOC_GET_MDTIDX: {
+                int mdtidx;
+
+                mdtidx = ll_get_mdt_idx(inode);
+                if (mdtidx < 0)
+                        RETURN(mdtidx);
+
+                if (put_user((int)mdtidx, (int*)arg))
+                        RETURN(-EFAULT);
+
+                RETURN(0);
+        }
+
         default: {
                 int err;
 
@@ -1795,9 +1873,7 @@ loff_t ll_file_seek(struct file *file, loff_t offset, int origin)
                 if (rc != 0)
                         RETURN(rc);
 
-                ll_inode_size_lock(inode, 0);
                 offset += i_size_read(inode);
-                ll_inode_size_unlock(inode, 0);
         } else if (origin == 1) { /* SEEK_CUR */
                 offset += file->f_pos;
         }
@@ -1813,6 +1889,34 @@ loff_t ll_file_seek(struct file *file, loff_t offset, int origin)
         RETURN(retval);
 }
 
+#ifdef HAVE_FLUSH_OWNER_ID
+int ll_flush(struct file *file, fl_owner_t id)
+#else
+int ll_flush(struct file *file)
+#endif
+{
+        struct inode *inode = file->f_dentry->d_inode;
+        struct ll_inode_info *lli = ll_i2info(inode);
+        struct lov_stripe_md *lsm = lli->lli_smd;
+        int rc, err;
+
+        /* the application should know write failure already. */
+        if (lli->lli_write_rc)
+                return 0;
+
+        /* catch async errors that were recorded back when async writeback
+         * failed for pages in this mapping. */
+        rc = lli->lli_async_rc;
+        lli->lli_async_rc = 0;
+        if (lsm) {
+                err = lov_test_and_clear_async_rc(lsm);
+                if (rc == 0)
+                        rc = err;
+        }
+
+        return rc ? -EIO : 0;
+}
+
 int ll_fsync(struct file *file, struct dentry *dentry, int data)
 {
         struct inode *inode = dentry->d_inode;
@@ -1852,26 +1956,33 @@ int ll_fsync(struct file *file, struct dentry *dentry, int data)
                 ptlrpc_req_finished(req);
 
         if (data && lsm) {
-                struct obdo *oa;
+                struct obd_info *oinfo;
 
-                OBDO_ALLOC(oa);
-                if (!oa)
+                OBD_ALLOC_PTR(oinfo);
+                if (!oinfo)
                         RETURN(rc ? rc : -ENOMEM);
-
-                oa->o_id = lsm->lsm_object_id;
-                oa->o_gr = lsm->lsm_object_gr;
-                oa->o_valid = OBD_MD_FLID | OBD_MD_FLGROUP;
-                obdo_from_inode(oa, inode, OBD_MD_FLTYPE | OBD_MD_FLATIME |
-                                           OBD_MD_FLMTIME | OBD_MD_FLCTIME |
-                                           OBD_MD_FLGROUP);
-
-                oc = ll_osscapa_get(inode, CAPA_OPC_OSS_WRITE);
-                err = obd_sync(ll_i2sbi(inode)->ll_dt_exp, oa, lsm,
-                               0, OBD_OBJECT_EOF, oc);
-                capa_put(oc);
+                OBDO_ALLOC(oinfo->oi_oa);
+                if (!oinfo->oi_oa) {
+                        OBD_FREE_PTR(oinfo);
+                        RETURN(rc ? rc : -ENOMEM);
+                }
+                oinfo->oi_oa->o_id = lsm->lsm_object_id;
+                oinfo->oi_oa->o_seq = lsm->lsm_object_seq;
+                oinfo->oi_oa->o_valid = OBD_MD_FLID | OBD_MD_FLGROUP;
+                obdo_from_inode(oinfo->oi_oa, inode, &ll_i2info(inode)->lli_fid,
+                                OBD_MD_FLTYPE | OBD_MD_FLATIME |
+                                OBD_MD_FLMTIME | OBD_MD_FLCTIME |
+                                OBD_MD_FLGROUP);
+                oinfo->oi_md = lsm;
+                oinfo->oi_capa = ll_osscapa_get(inode, CAPA_OPC_OSS_WRITE);
+                err = obd_sync_rqset(ll_i2sbi(inode)->ll_dt_exp, oinfo, 0,
+                                     OBD_OBJECT_EOF);
+                capa_put(oinfo->oi_capa);
                 if (!rc)
                         rc = err;
-                OBDO_FREE(oa);
+                OBDO_FREE(oinfo->oi_oa);
+                OBD_FREE_PTR(oinfo);
+                lli->lli_write_rc = err < 0 ? : 0;
         }
 
         RETURN(rc);
@@ -1886,7 +1997,7 @@ int ll_file_flock(struct file *file, int cmd, struct file_lock *file_lock)
                                            .ei_cbdata = file_lock };
         struct md_op_data *op_data;
         struct lustre_handle lockh = {0};
-        ldlm_policy_data_t flock;
+        ldlm_policy_data_t flock = {{0}};
         int flags = 0;
         int rc;
         ENTRY;
@@ -1898,13 +2009,28 @@ int ll_file_flock(struct file *file, int cmd, struct file_lock *file_lock)
 
         if (file_lock->fl_flags & FL_FLOCK) {
                 LASSERT((cmd == F_SETLKW) || (cmd == F_SETLK));
-                /* set missing params for flock() calls */
-                file_lock->fl_end = OFFSET_MAX;
-                file_lock->fl_pid = current->tgid;
+                /* flocks are whole-file locks */
+                flock.l_flock.end = OFFSET_MAX;
+                /* For flocks owner is determined by the local file desctiptor*/
+                flock.l_flock.owner = (unsigned long)file_lock->fl_file;
+        } else if (file_lock->fl_flags & FL_POSIX) {
+                flock.l_flock.owner = (unsigned long)file_lock->fl_owner;
+                flock.l_flock.start = file_lock->fl_start;
+                flock.l_flock.end = file_lock->fl_end;
+        } else {
+                RETURN(-EINVAL);
         }
         flock.l_flock.pid = file_lock->fl_pid;
-        flock.l_flock.start = file_lock->fl_start;
-        flock.l_flock.end = file_lock->fl_end;
+
+        /* Somewhat ugly workaround for svc lockd.
+         * lockd installs custom fl_lmops->fl_compare_owner that checks
+         * for the fl_owner to be the same (which it always is on local node
+         * I guess between lockd processes) and then compares pid.
+         * As such we assign pid to the owner field to make it all work,
+         * conflict with normal locks is unlikely since pid space and
+         * pointer space for current->files are not intersecting */
+        if (file_lock->fl_lmops && file_lock->fl_lmops->fl_compare_owner)
+                flock.l_flock.owner = (unsigned long)file_lock->fl_pid;
 
         switch (file_lock->fl_type) {
         case F_RDLCK:
@@ -1990,10 +2116,12 @@ int ll_file_noflock(struct file *file, int cmd, struct file_lock *file_lock)
         RETURN(-ENOSYS);
 }
 
-int ll_have_md_lock(struct inode *inode, __u64 bits)
+int ll_have_md_lock(struct inode *inode, __u64 bits,  ldlm_mode_t l_req_mode)
 {
         struct lustre_handle lockh;
         ldlm_policy_data_t policy = { .l_inodebits = {bits}};
+        ldlm_mode_t mode = (l_req_mode == LCK_MINMODE) ?
+                                (LCK_CR|LCK_CW|LCK_PR|LCK_PW) : l_req_mode;
         struct lu_fid *fid;
         int flags;
         ENTRY;
@@ -2002,11 +2130,12 @@ int ll_have_md_lock(struct inode *inode, __u64 bits)
                RETURN(0);
 
         fid = &ll_i2info(inode)->lli_fid;
-        CDEBUG(D_INFO, "trying to match res "DFID"\n", PFID(fid));
+        CDEBUG(D_INFO, "trying to match res "DFID" mode %s\n", PFID(fid),
+               ldlm_lockname[mode]);
 
         flags = LDLM_FL_BLOCK_GRANTED | LDLM_FL_CBPENDING | LDLM_FL_TEST_LOCK;
         if (md_lock_match(ll_i2mdexp(inode), flags, fid, LDLM_IBITS, &policy,
-                          LCK_CR|LCK_CW|LCK_PR|LCK_PW, &lockh)) {
+                          mode, &lockh)) {
                 RETURN(1);
         }
         RETURN(0);
@@ -2072,10 +2201,16 @@ int __ll_inode_revalidate_it(struct dentry *dentry, struct lookup_intent *it,
 
         exp = ll_i2mdexp(inode);
 
+        /* XXX: Enable OBD_CONNECT_ATTRFID to reduce unnecessary getattr RPC.
+         *      But under CMD case, it caused some lock issues, should be fixed
+         *      with new CMD ibits lock. See bug 12718 */
         if (exp->exp_connect_flags & OBD_CONNECT_ATTRFID) {
                 struct lookup_intent oit = { .it_op = IT_GETATTR };
                 struct md_op_data *op_data;
 
+                if (ibits == MDS_INODELOCK_LOOKUP)
+                        oit.it_op = IT_LOOKUP;
+
                 /* Call getattr by fid, so do not provide name at all. */
                 op_data = ll_prep_md_op_data(NULL, dentry->d_parent->d_inode,
                                              dentry->d_inode, NULL, 0, 0,
@@ -2107,17 +2242,18 @@ int __ll_inode_revalidate_it(struct dentry *dentry, struct lookup_intent *it,
                    here to preserve get_cwd functionality on 2.6.
                    Bug 10503 */
                 if (!dentry->d_inode->i_nlink) {
+                        cfs_spin_lock(&ll_lookup_lock);
                         spin_lock(&dcache_lock);
                         ll_drop_dentry(dentry);
                         spin_unlock(&dcache_lock);
+                        cfs_spin_unlock(&ll_lookup_lock);
                 }
 
-                ll_finish_locks(&oit, dentry);
-        } else if (!ll_have_md_lock(dentry->d_inode, ibits)) {
-
+                ll_lookup_finish_locks(&oit, dentry);
+        } else if (!ll_have_md_lock(dentry->d_inode, ibits, LCK_MINMODE)) {
                 struct ll_sb_info *sbi = ll_i2sbi(dentry->d_inode);
                 obd_valid valid = OBD_MD_FLGETATTR;
-                struct obd_capa *oc;
+                struct md_op_data *op_data;
                 int ealen = 0;
 
                 if (S_ISREG(inode->i_mode)) {
@@ -2126,13 +2262,19 @@ int __ll_inode_revalidate_it(struct dentry *dentry, struct lookup_intent *it,
                                 RETURN(rc);
                         valid |= OBD_MD_FLEASIZE | OBD_MD_FLMODEASIZE;
                 }
+
+                op_data = ll_prep_md_op_data(NULL, inode, NULL, NULL,
+                                             0, ealen, LUSTRE_OPC_ANY,
+                                             NULL);
+                if (op_data == NULL)
+                        RETURN(-ENOMEM);
+
+                op_data->op_valid = valid;
                 /* Once OBD_CONNECT_ATTRFID is not supported, we can't find one
                  * capa for this inode. Because we only keep capas of dirs
                  * fresh. */
-                oc = ll_mdscapa_get(inode);
-                rc = md_getattr(sbi->ll_md_exp, ll_inode2fid(inode), oc, valid,
-                                ealen, &req);
-                capa_put(oc);
+                rc = md_getattr(sbi->ll_md_exp, op_data, &req);
+                ll_finish_md_op_data(op_data);
                 if (rc) {
                         rc = ll_inode_revalidate_fini(inode, rc);
                         RETURN(rc);
@@ -2145,23 +2287,28 @@ out:
         return rc;
 }
 
-int ll_inode_revalidate_it(struct dentry *dentry, struct lookup_intent *it)
+int ll_inode_revalidate_it(struct dentry *dentry, struct lookup_intent *it,
+                           __u64 ibits)
 {
+        struct inode *inode = dentry->d_inode;
         int rc;
         ENTRY;
 
-        rc = __ll_inode_revalidate_it(dentry, it, MDS_INODELOCK_UPDATE |
-                                                  MDS_INODELOCK_LOOKUP);
+        rc = __ll_inode_revalidate_it(dentry, it, ibits);
 
         /* if object not yet allocated, don't validate size */
-        if (rc == 0 && ll_i2info(dentry->d_inode)->lli_smd == NULL)
+        if (rc == 0 && ll_i2info(dentry->d_inode)->lli_smd == NULL) {
+                LTIME_S(inode->i_atime) = ll_i2info(inode)->lli_lvb.lvb_atime;
+                LTIME_S(inode->i_mtime) = ll_i2info(inode)->lli_lvb.lvb_mtime;
+                LTIME_S(inode->i_ctime) = ll_i2info(inode)->lli_lvb.lvb_ctime;
                 RETURN(0);
+        }
 
         /* cl_glimpse_size will prefer locally cached writes if they extend
          * the file */
 
         if (rc == 0)
-                rc = cl_glimpse_size(dentry->d_inode);
+                rc = cl_glimpse_size(inode);
 
         RETURN(rc);
 }
@@ -2170,16 +2317,22 @@ int ll_getattr_it(struct vfsmount *mnt, struct dentry *de,
                   struct lookup_intent *it, struct kstat *stat)
 {
         struct inode *inode = de->d_inode;
+        struct ll_sb_info *sbi = ll_i2sbi(inode);
+        struct ll_inode_info *lli = ll_i2info(inode);
         int res = 0;
 
-        res = ll_inode_revalidate_it(de, it);
-        ll_stats_ops_tally(ll_i2sbi(inode), LPROC_LL_GETATTR, 1);
+        res = ll_inode_revalidate_it(de, it, MDS_INODELOCK_UPDATE |
+                                             MDS_INODELOCK_LOOKUP);
+        ll_stats_ops_tally(sbi, LPROC_LL_GETATTR, 1);
 
         if (res)
                 return res;
 
         stat->dev = inode->i_sb->s_dev;
-        stat->ino = inode->i_ino;
+        if (ll_need_32bit_api(sbi))
+                stat->ino = cl_fid_build_ino(&lli->lli_fid, 1);
+        else
+                stat->ino = inode->i_ino;
         stat->mode = inode->i_mode;
         stat->nlink = inode->i_nlink;
         stat->uid = inode->i_uid;
@@ -2194,10 +2347,8 @@ int ll_getattr_it(struct vfsmount *mnt, struct dentry *de,
         stat->blksize = 1 << inode->i_blkbits;
 #endif
 
-        ll_inode_size_lock(inode, 0);
         stat->size = i_size_read(inode);
         stat->blocks = inode->i_blocks;
-        ll_inode_size_unlock(inode, 0);
 
         return 0;
 }
@@ -2213,16 +2364,32 @@ int ll_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
                 __u64 start, __u64 len)
 {
         int rc;
-        struct ll_user_fiemap *fiemap = (struct ll_user_fiemap*)(
-                fieinfo->fi_extents_start - sizeof(ll_user_fiemap));
+        size_t num_bytes;
+        struct ll_user_fiemap *fiemap;
+        unsigned int extent_count = fieinfo->fi_extents_max;
+
+        num_bytes = sizeof(*fiemap) + (extent_count *
+                                       sizeof(struct ll_fiemap_extent));
+        OBD_ALLOC_LARGE(fiemap, num_bytes);
 
-        rc = ll_do_fiemap(inode, fiemap, sizeof(*fiemap) +
-                          fiemap->fm_extent_count *
-                          sizeof(struct ll_fiemap_extent));
+        if (fiemap == NULL)
+                RETURN(-ENOMEM);
+
+        fiemap->fm_flags = fieinfo->fi_flags;
+        fiemap->fm_extent_count = fieinfo->fi_extents_max;
+        fiemap->fm_start = start;
+        fiemap->fm_length = len;
+        memcpy(&fiemap->fm_extents[0], fieinfo->fi_extents_start,
+               sizeof(struct ll_fiemap_extent));
+
+        rc = ll_do_fiemap(inode, fiemap, num_bytes);
 
         fieinfo->fi_flags = fiemap->fm_flags;
         fieinfo->fi_extents_mapped = fiemap->fm_mapped_extents;
+        memcpy(fieinfo->fi_extents_start, &fiemap->fm_extents[0],
+               fiemap->fm_mapped_extents * sizeof(struct ll_fiemap_extent));
 
+        OBD_FREE_LARGE(fiemap, num_bytes);
         return rc;
 }
 #endif
@@ -2237,9 +2404,9 @@ int lustre_check_acl(struct inode *inode, int mask)
         int rc;
         ENTRY;
 
-        spin_lock(&lli->lli_lock);
+        cfs_spin_lock(&lli->lli_lock);
         acl = posix_acl_dup(lli->lli_posix_acl);
-        spin_unlock(&lli->lli_lock);
+        cfs_spin_unlock(&lli->lli_lock);
 
         if (!acl)
                 RETURN(-EAGAIN);
@@ -2305,7 +2472,7 @@ int ll_inode_permission(struct inode *inode, int mask, struct nameidata *nd)
                 return -EROFS;
         if ((mask & MAY_WRITE) && IS_IMMUTABLE(inode))
                 return -EACCES;
-        if (current->fsuid == inode->i_uid) {
+        if (cfs_curproc_fsuid() == inode->i_uid) {
                 mode >>= 6;
         } else if (1) {
                 if (((mode >> 3) & mask & S_IRWXO) != mask)
@@ -2318,7 +2485,7 @@ int ll_inode_permission(struct inode *inode, int mask, struct nameidata *nd)
                 return rc;
         } else {
 check_groups:
-                if (in_group_p(inode->i_gid))
+                if (cfs_curproc_is_in_groups(inode->i_gid))
                         mode >>= 3;
         }
         if ((mode & mask & S_IRWXO) == mask)
@@ -2356,7 +2523,11 @@ struct file_operations ll_file_operations = {
         .READ_METHOD    = READ_FUNCTION,
         .write          = ll_file_write,
         .WRITE_METHOD   = WRITE_FUNCTION,
+#ifdef HAVE_UNLOCKED_IOCTL
+        .unlocked_ioctl = ll_file_ioctl,
+#else
         .ioctl          = ll_file_ioctl,
+#endif
         .open           = ll_file_open,
         .release        = ll_file_release,
         .mmap           = ll_file_mmap,
@@ -2368,6 +2539,7 @@ struct file_operations ll_file_operations = {
         .splice_read    = ll_file_splice_read,
 #endif
         .fsync          = ll_fsync,
+        .flush          = ll_flush
 };
 
 struct file_operations ll_file_operations_flock = {
@@ -2375,7 +2547,11 @@ struct file_operations ll_file_operations_flock = {
         .READ_METHOD    = READ_FUNCTION,
         .write          = ll_file_write,
         .WRITE_METHOD   = WRITE_FUNCTION,
+#ifdef HAVE_UNLOCKED_IOCTL
+        .unlocked_ioctl = ll_file_ioctl,
+#else
         .ioctl          = ll_file_ioctl,
+#endif
         .open           = ll_file_open,
         .release        = ll_file_release,
         .mmap           = ll_file_mmap,
@@ -2387,6 +2563,7 @@ struct file_operations ll_file_operations_flock = {
         .splice_read    = ll_file_splice_read,
 #endif
         .fsync          = ll_fsync,
+        .flush          = ll_flush,
 #ifdef HAVE_F_OP_FLOCK
         .flock          = ll_file_flock,
 #endif
@@ -2399,7 +2576,11 @@ struct file_operations ll_file_operations_noflock = {
         .READ_METHOD    = READ_FUNCTION,
         .write          = ll_file_write,
         .WRITE_METHOD   = WRITE_FUNCTION,
+#ifdef HAVE_UNLOCKED_IOCTL
+        .unlocked_ioctl = ll_file_ioctl,
+#else
         .ioctl          = ll_file_ioctl,
+#endif
         .open           = ll_file_open,
         .release        = ll_file_release,
         .mmap           = ll_file_mmap,
@@ -2411,6 +2592,7 @@ struct file_operations ll_file_operations_noflock = {
         .splice_read    = ll_file_splice_read,
 #endif
         .fsync          = ll_fsync,
+        .flush          = ll_flush,
 #ifdef HAVE_F_OP_FLOCK
         .flock          = ll_file_noflock,
 #endif
@@ -2418,9 +2600,6 @@ struct file_operations ll_file_operations_noflock = {
 };
 
 struct inode_operations ll_file_inode_operations = {
-#ifdef HAVE_VFS_INTENT_PATCHES
-        .setattr_raw    = ll_setattr_raw,
-#endif
         .setattr        = ll_setattr,
         .truncate       = ll_truncate,
         .getattr        = ll_getattr,
@@ -2436,8 +2615,8 @@ struct inode_operations ll_file_inode_operations = {
 
 /* dynamic ioctl number support routins */
 static struct llioc_ctl_data {
-        struct rw_semaphore ioc_sem;
-        struct list_head    ioc_head;
+        cfs_rw_semaphore_t      ioc_sem;
+        cfs_list_t              ioc_head;
 } llioc = {
         __RWSEM_INITIALIZER(llioc.ioc_sem),
         CFS_LIST_HEAD_INIT(llioc.ioc_head)
@@ -2445,7 +2624,7 @@ static struct llioc_ctl_data {
 
 
 struct llioc_data {
-        struct list_head        iocd_list;
+        cfs_list_t              iocd_list;
         unsigned int            iocd_size;
         llioc_callback_t        iocd_cb;
         unsigned int            iocd_count;
@@ -2473,9 +2652,9 @@ void *ll_iocontrol_register(llioc_callback_t cb, int count, unsigned int *cmd)
         in_data->iocd_count = count;
         memcpy(in_data->iocd_cmd, cmd, sizeof(unsigned int) * count);
 
-        down_write(&llioc.ioc_sem);
-        list_add_tail(&in_data->iocd_list, &llioc.ioc_head);
-        up_write(&llioc.ioc_sem);
+        cfs_down_write(&llioc.ioc_sem);
+        cfs_list_add_tail(&in_data->iocd_list, &llioc.ioc_head);
+        cfs_up_write(&llioc.ioc_sem);
 
         RETURN(in_data);
 }
@@ -2487,19 +2666,19 @@ void ll_iocontrol_unregister(void *magic)
         if (magic == NULL)
                 return;
 
-        down_write(&llioc.ioc_sem);
-        list_for_each_entry(tmp, &llioc.ioc_head, iocd_list) {
+        cfs_down_write(&llioc.ioc_sem);
+        cfs_list_for_each_entry(tmp, &llioc.ioc_head, iocd_list) {
                 if (tmp == magic) {
                         unsigned int size = tmp->iocd_size;
 
-                        list_del(&tmp->iocd_list);
-                        up_write(&llioc.ioc_sem);
+                        cfs_list_del(&tmp->iocd_list);
+                        cfs_up_write(&llioc.ioc_sem);
 
                         OBD_FREE(tmp, size);
                         return;
                 }
         }
-        up_write(&llioc.ioc_sem);
+        cfs_up_write(&llioc.ioc_sem);
 
         CWARN("didn't find iocontrol register block with magic: %p\n", magic);
 }
@@ -2514,8 +2693,8 @@ enum llioc_iter ll_iocontrol_call(struct inode *inode, struct file *file,
         struct llioc_data *data;
         int rc = -EINVAL, i;
 
-        down_read(&llioc.ioc_sem);
-        list_for_each_entry(data, &llioc.ioc_head, iocd_list) {
+        cfs_down_read(&llioc.ioc_sem);
+        cfs_list_for_each_entry(data, &llioc.ioc_head, iocd_list) {
                 for (i = 0; i < data->iocd_count; i++) {
                         if (cmd != data->iocd_cmd[i])
                                 continue;
@@ -2527,7 +2706,7 @@ enum llioc_iter ll_iocontrol_call(struct inode *inode, struct file *file,
                 if (ret == LLIOC_STOP)
                         break;
         }
-        up_read(&llioc.ioc_sem);
+        cfs_up_read(&llioc.ioc_sem);
 
         if (rcp)
                 *rcp = rc;