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LU-8775 osd: do not report special writes in brw stats
[fs/lustre-release.git] / lustre / osd-zfs / osd_io.c
index eed35f5..389213d 100644 (file)
  *
  * You should have received a copy of the GNU General Public License
  * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
  *
  * GPL HEADER END
  */
@@ -143,7 +139,7 @@ static ssize_t osd_read(const struct lu_env *env, struct dt_object *dt,
                        buf->lb_buf, DMU_READ_PREFETCH);
 
        record_end_io(osd, READ, cfs_time_current() - start, size,
-                     size >> PAGE_CACHE_SHIFT);
+                     size >> PAGE_SHIFT);
        if (rc == 0) {
                rc = size;
                *pos += size;
@@ -168,18 +164,11 @@ static ssize_t osd_declare_write(const struct lu_env *env, struct dt_object *dt,
         * LOHA_EXISTs is supposed to be the last step in the
         * initialization */
 
-       /* declare possible size change. notice we can't check
-        * current size here as another thread can change it */
-
-       if (dt_object_exists(dt)) {
-               LASSERT(obj->oo_db);
+       /* size change (in dnode) will be declared by dmu_tx_hold_write() */
+       if (dt_object_exists(dt))
                oid = obj->oo_db->db_object;
-
-               dmu_tx_hold_sa(oh->ot_tx, obj->oo_sa_hdl, 0);
-       } else {
+       else
                oid = DMU_NEW_OBJECT;
-               dmu_tx_hold_sa_create(oh->ot_tx, ZFS_SA_BASE_ATTR_SIZE);
-       }
 
        /* XXX: we still miss for append declaration support in ZFS
         *      -1 means append which is used by llog mostly, llog
@@ -215,8 +204,6 @@ static ssize_t osd_write(const struct lu_env *env, struct dt_object *dt,
        LASSERT(th != NULL);
        oh = container_of0(th, struct osd_thandle, ot_super);
 
-       record_start_io(osd, WRITE, 0);
-
        dmu_write(osd->od_os, obj->oo_db->db_object, offset,
                (uint64_t)buf->lb_len, buf->lb_buf, oh->ot_tx);
        write_lock(&obj->oo_attr_lock);
@@ -238,9 +225,6 @@ static ssize_t osd_write(const struct lu_env *env, struct dt_object *dt,
        rc = buf->lb_len;
 
 out:
-       record_end_io(osd, WRITE, 0, buf->lb_len,
-                     buf->lb_len >> PAGE_CACHE_SHIFT);
-
        RETURN(rc);
 }
 
@@ -361,8 +345,8 @@ static int osd_bufs_get_read(const struct lu_env *env, struct osd_object *obj,
                        dbf = (void *) ((unsigned long)dbp[i] | 1);
 
                        while (tocpy > 0) {
-                               thispage = PAGE_CACHE_SIZE;
-                               thispage -= bufoff & (PAGE_CACHE_SIZE - 1);
+                               thispage = PAGE_SIZE;
+                               thispage -= bufoff & (PAGE_SIZE - 1);
                                thispage = min(tocpy, thispage);
 
                                lnb->lnb_rc = 0;
@@ -439,7 +423,7 @@ static int osd_bufs_get_write(const struct lu_env *env, struct osd_object *obj,
                        /* go over pages arcbuf contains, put them as
                         * local niobufs for ptlrpc's bulks */
                        while (sz_in_block > 0) {
-                               plen = min_t(int, sz_in_block, PAGE_CACHE_SIZE);
+                               plen = min_t(int, sz_in_block, PAGE_SIZE);
 
                                lnb[i].lnb_file_offset = off;
                                lnb[i].lnb_page_offset = 0;
@@ -473,7 +457,7 @@ static int osd_bufs_get_write(const struct lu_env *env, struct osd_object *obj,
 
                        /* can't use zerocopy, allocate temp. buffers */
                        while (sz_in_block > 0) {
-                               plen = min_t(int, sz_in_block, PAGE_CACHE_SIZE);
+                               plen = min_t(int, sz_in_block, PAGE_SIZE);
 
                                lnb[i].lnb_file_offset = off;
                                lnb[i].lnb_page_offset = 0;
@@ -653,7 +637,7 @@ static int osd_declare_write_commit(const struct lu_env *env,
         * copies */
        space  *= osd->od_os->os_copies;
        space   = toqb(space);
-       CDEBUG(D_QUOTA, "writing %d pages, reserving "LPD64"K of quota space\n",
+       CDEBUG(D_QUOTA, "writing %d pages, reserving %lldK of quota space\n",
               npages, space);
 
        record_start_io(osd, WRITE, discont_pages);