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LU-1866 osd: ancillary work for initial OI scrub
[fs/lustre-release.git] / lustre / liblustre / dir.c
index 0e0f8b8..09cdc5c 100644 (file)
@@ -1,6 +1,4 @@
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
  * GPL HEADER START
  *
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
@@ -28,6 +26,8 @@
 /*
  * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -73,10 +73,10 @@ static int llu_dir_do_readpage(struct inode *inode, struct page *page)
         struct lookup_intent   it = { .it_op = IT_READDIR };
         struct md_op_data      op_data = {{ 0 }};
         ldlm_policy_data_t policy = { .l_inodebits = { MDS_INODELOCK_UPDATE } };
-        __u64 offset;
         int rc = 0;
         ENTRY;
 
+        llu_prep_md_op_data(&op_data, inode, NULL, NULL, 0, 0, LUSTRE_OPC_ANY);
         rc = md_lock_match(sbi->ll_md_exp, LDLM_FL_BLOCK_GRANTED,
                            &lli->lli_fid, LDLM_IBITS, &policy, LCK_CR, &lockh);
         if (!rc) {
@@ -84,9 +84,6 @@ static int llu_dir_do_readpage(struct inode *inode, struct page *page)
                         llu_md_blocking_ast, ldlm_completion_ast, NULL, NULL,
                         inode};
 
-                llu_prep_md_op_data(&op_data, inode, NULL, NULL, 0, 0,
-                                    LUSTRE_OPC_ANY);
-
                 rc = md_enqueue(sbi->ll_md_exp, &einfo, &it,
                                 &op_data, &lockh, NULL, 0, NULL,
                                 LDLM_FL_CANCEL_ON_BLOCK);
@@ -100,9 +97,9 @@ static int llu_dir_do_readpage(struct inode *inode, struct page *page)
         }
         ldlm_lock_dump_handle(D_OTHER, &lockh);
 
-        offset = (__u64)hash_x_index(page->index);
-        rc = md_readpage(sbi->ll_md_exp, &lli->lli_fid, NULL,
-                         offset, page, &request);
+        op_data.op_offset = (__u64)hash_x_index(page->index, 0);
+        op_data.op_npages = 1;
+        rc = md_readpage(sbi->ll_md_exp, &op_data, &page, &request);
         if (!rc) {
                 body = req_capsule_server_get(&request->rq_pill, &RMF_MDT_BODY);
                 LASSERT(body != NULL);         /* checked by md_readpage() */
@@ -129,7 +126,7 @@ static cfs_page_t *llu_dir_read_page(struct inode *ino, __u64 hash,
         OBD_PAGE_ALLOC(page, 0);
         if (!page)
                 RETURN(ERR_PTR(-ENOMEM));
-        page->index = hash_x_index(hash);
+        page->index = hash_x_index(hash, 0);
 
         rc = llu_dir_do_readpage(ino, page);
         if (rc) {
@@ -197,7 +194,6 @@ ssize_t llu_iop_filldirentries(struct inode *dir, _SYSIO_OFF_T *basep,
         int filled = 0;
         int rc;
         int done;
-        int shift;
         __u16 type;
         ENTRY;
 
@@ -208,7 +204,7 @@ ssize_t llu_iop_filldirentries(struct inode *dir, _SYSIO_OFF_T *basep,
                 RETURN(0);
         }
 
-        if (pos == DIR_END_OFF)
+        if (pos == MDS_DIR_END_OFF)
                 /*
                  * end-of-file.
                  */
@@ -216,7 +212,6 @@ ssize_t llu_iop_filldirentries(struct inode *dir, _SYSIO_OFF_T *basep,
 
         rc    = 0;
         done  = 0;
-        shift = 0;
         ll_dir_chain_init(&chain);
 
         page = llu_dir_read_page(dir, pos, 0, &chain);
@@ -229,7 +224,7 @@ ssize_t llu_iop_filldirentries(struct inode *dir, _SYSIO_OFF_T *basep,
                          * If page is empty (end of directoryis reached),
                          * use this value.
                          */
-                        __u64 hash = DIR_END_OFF;
+                        __u64 hash = MDS_DIR_END_OFF;
                         __u64 next;
 
                         dp = page->addr;
@@ -238,7 +233,7 @@ ssize_t llu_iop_filldirentries(struct inode *dir, _SYSIO_OFF_T *basep,
                                 char          *name;
                                 int            namelen;
                                 struct lu_fid  fid;
-                                ino_t          ino;
+                                __u64          ino;
 
                                 hash    = le64_to_cpu(ent->lde_hash);
                                 namelen = le16_to_cpu(ent->lde_namelen);
@@ -259,7 +254,7 @@ ssize_t llu_iop_filldirentries(struct inode *dir, _SYSIO_OFF_T *basep,
                                 fid  = ent->lde_fid;
                                 name = ent->lde_name;
                                 fid_le_to_cpu(&fid, &fid);
-                                ino  = cl_fid_build_ino(&fid);
+                                ino  = cl_fid_build_ino(&fid, 0);
                                 type = ll_dirent_type_get(ent);
                                 done = filldir(buf, nbytes, name, namelen,
                                                (loff_t)hash, ino, type,
@@ -269,7 +264,7 @@ ssize_t llu_iop_filldirentries(struct inode *dir, _SYSIO_OFF_T *basep,
                         OBD_PAGE_FREE(page);
                         if (!done) {
                                 pos = next;
-                                if (pos == DIR_END_OFF)
+                                if (pos == MDS_DIR_END_OFF)
                                         /*
                                          * End of directory reached.
                                          */