Whamcloud - gitweb
LU-506 kernel: FC15 - fix GCC 'set-but-unused' warnings
[fs/lustre-release.git] / lustre / liblustre / dir.c
index b45bc89..846e228 100644 (file)
  * GPL HEADER END
  */
 /*
- * Copyright  2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  */
 /*
+ * Copyright (c) 2011 Whamcloud, Inc.
+ */
+/*
  * This file is part of Lustre, http://www.lustre.org/
  * Lustre is a trademark of Sun Microsystems, Inc.
  *
 #include <fcntl.h>
 #include <sys/queue.h>
 
-#include <sysio.h>
-#ifdef HAVE_XTIO_H
-#include <xtio.h>
-#endif
-#include <fs.h>
-#include <mount.h>
-#include <inode.h>
-#ifdef HAVE_FILE_H
-#include <file.h>
-#endif
-
-#undef LIST_HEAD
-
 #ifdef HAVE_LINUX_UNISTD_H
 #include <linux/unistd.h>
 #elif defined(HAVE_UNISTD_H)
 #include <unistd.h>
 #endif
 
-#include <dirent.h>
 
 #include "llite_lib.h"
+#include <dirent.h>
 
 /* (new) readdir implementation overview can be found in lustre/llite/dir.c */
 
@@ -94,7 +84,8 @@ static int llu_dir_do_readpage(struct inode *inode, struct page *page)
                            &lli->lli_fid, LDLM_IBITS, &policy, LCK_CR, &lockh);
         if (!rc) {
                 struct ldlm_enqueue_info einfo = {LDLM_IBITS, LCK_CR,
-                        llu_md_blocking_ast, ldlm_completion_ast, NULL, inode};
+                        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);
@@ -112,9 +103,9 @@ 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);
+        offset = (__u64)hash_x_index(page->index, 0);
         rc = md_readpage(sbi->ll_md_exp, &lli->lli_fid, NULL,
-                         offset, page, &request);
+                         offset, &page, 1, &request);
         if (!rc) {
                 body = req_capsule_server_get(&request->rq_pill, &RMF_MDT_BODY);
                 LASSERT(body != NULL);         /* checked by md_readpage() */
@@ -131,8 +122,8 @@ static int llu_dir_do_readpage(struct inode *inode, struct page *page)
         return rc;
 }
 
-static cfs_page_t *llu_dir_read_page(struct inode *ino, __u32 hash,
-                                      int exact, struct ll_dir_chain *chain)
+static cfs_page_t *llu_dir_read_page(struct inode *ino, __u64 hash,
+                                     int exact, struct ll_dir_chain *chain)
 {
         cfs_page_t *page;
         int rc;
@@ -141,7 +132,7 @@ static cfs_page_t *llu_dir_read_page(struct inode *ino, __u32 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) {
@@ -193,12 +184,12 @@ static int filldir(char *buf, int buflen,
         return 0;
 }
 
-/* 
+/*
  * TODO: much of the code here is similar/identical to llite ll_readdir().
  * These code can be factored out and shared in a common module.
  */
 
-ssize_t llu_iop_filldirentries(struct inode *dir, _SYSIO_OFF_T *basep, 
+ssize_t llu_iop_filldirentries(struct inode *dir, _SYSIO_OFF_T *basep,
                               char *buf, size_t nbytes)
 {
         struct llu_inode_info *lli = llu_i2info(dir);
@@ -209,7 +200,7 @@ ssize_t llu_iop_filldirentries(struct inode *dir, _SYSIO_OFF_T *basep,
         int filled = 0;
         int rc;
         int done;
-        int shift;
+        __u16 type;
         ENTRY;
 
         liblustre_wait_event(0);
@@ -219,7 +210,7 @@ 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.
                  */
@@ -227,7 +218,6 @@ 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);
@@ -236,11 +226,11 @@ ssize_t llu_iop_filldirentries(struct inode *dir, _SYSIO_OFF_T *basep,
                 struct lu_dirent  *ent;
 
                 if (!IS_ERR(page)) {
-                        /* 
+                        /*
                          * If page is empty (end of directoryis reached),
-                         * use this value. 
+                         * use this value.
                          */
-                        __u64 hash = DIR_END_OFF;
+                        __u64 hash = MDS_DIR_END_OFF;
                         __u64 next;
 
                         dp = page->addr;
@@ -249,7 +239,7 @@ 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);
@@ -270,17 +260,17 @@ 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  = llu_fid_build_ino(llu_i2sbi(dir), &fid);
-
+                                ino  = cl_fid_build_ino(&fid, 0);
+                                type = ll_dirent_type_get(ent);
                                 done = filldir(buf, nbytes, name, namelen,
-                                               (loff_t)hash, ino, DT_UNKNOWN,
+                                               (loff_t)hash, ino, type,
                                                &filled);
                         }
                         next = le64_to_cpu(dp->ldp_hash_end);
                         OBD_PAGE_FREE(page);
                         if (!done) {
                                 pos = next;
-                                if (pos == DIR_END_OFF)
+                                if (pos == MDS_DIR_END_OFF)
                                         /*
                                          * End of directory reached.
                                          */
@@ -308,7 +298,7 @@ ssize_t llu_iop_filldirentries(struct inode *dir, _SYSIO_OFF_T *basep,
                                PFID(&lli->lli_fid), (unsigned long)pos, rc);
                 }
         }
-        lli->lli_dir_pos = (loff_t)(__s32)pos;
+        lli->lli_dir_pos = (loff_t)pos;
         *basep = lli->lli_dir_pos;
 out:
         ll_dir_chain_fini(&chain);