/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2003 Cluster File Systems, Inc.
- * Author: Eric Barton <eeb@clusterfs.com>
+ * GPL HEADER START
*
- * This file is part of Lustre, http://www.lustre.org.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * Lustre is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 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.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/utils/obdiolib.c
+ *
+ * Author: Eric Barton <eeb@clusterfs.com>
*/
#include <stdio.h>
{
memset (&conn->oc_data, 0, sizeof (conn->oc_data));
conn->oc_data.ioc_version = OBD_IOCTL_VERSION;
- conn->oc_data.ioc_cookie = conn->oc_conn_cookie;
+ conn->oc_data.ioc_dev = conn->oc_device;
conn->oc_data.ioc_len = sizeof (conn->oc_data);
}
rc = obd_ioctl_pack (&conn->oc_data, &buf, sizeof (conn->oc_buffer));
if (rc != 0) {
- fprintf (stderr, "obdio_ioctl: obd_ioctl_pack: %d (%s)\n",
- rc, strerror (errno));
- abort ();
+ fprintf(stderr, "%s: obd_ioctl_pack: %d (%s)\n",
+ __FUNCTION__, rc, strerror(errno));
+ abort();
}
rc = ioctl (conn->oc_fd, cmd, buf);
rc2 = obd_ioctl_unpack (&conn->oc_data, buf, sizeof (conn->oc_buffer));
if (rc2 != 0) {
- fprintf (stderr, "obdio_ioctl: obd_ioctl_unpack: %d (%s)\n",
- rc2, strerror (errno));
+ fprintf(stderr, "%s: obd_ioctl_unpack: %d (%s)\n",
+ __FUNCTION__, rc2, strerror(errno));
abort ();
}
obdio_connect (int device)
{
struct obdio_conn *conn;
- int rc;
conn = malloc (sizeof (*conn));
if (conn == NULL) {
- fprintf (stderr, "obdio_connect: no memory\n");
+ fprintf (stderr, "%s: no memory\n", __FUNCTION__);
return (NULL);
}
memset (conn, 0, sizeof (*conn));
conn->oc_fd = open ("/dev/obd", O_RDWR);
if (conn->oc_fd < 0) {
- fprintf (stderr, "obdio_connect: Can't open /dev/obd: %s\n",
- strerror (errno));
+ fprintf(stderr, "%s: Can't open /dev/obd: %s\n",
+ __FUNCTION__, strerror(errno));
goto failed;
}
- obdio_iocinit (conn);
- conn->oc_data.ioc_dev = device;
- rc = obdio_ioctl (conn, OBD_IOC_DEVICE);
- if (rc != 0) {
- fprintf (stderr, "obdio_connect: Can't set device %d: %s\n",
- device, strerror (errno));
- goto failed;
- }
-
- obdio_iocinit (conn);
- rc = obdio_ioctl (conn, OBD_IOC_CONNECT);
- if (rc != 0) {
- fprintf(stderr, "obdio_connect: Can't connect to device "
- "%d: %s\n", device, strerror (errno));
- goto failed;
- }
-
- conn->oc_conn_cookie = conn->oc_data.ioc_cookie;
+ conn->oc_device = device;
return (conn);
failed:
}
int
-obdio_open (struct obdio_conn *conn, uint64_t oid, struct lustre_handle *fh)
-{
- int rc;
-
- obdio_iocinit (conn);
-
- conn->oc_data.ioc_obdo1.o_id = oid;
- conn->oc_data.ioc_obdo1.o_mode = S_IFREG;
- conn->oc_data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE;
-
- rc = obdio_ioctl (conn, OBD_IOC_OPEN);
-
- if (rc == 0)
- memcpy (fh, obdo_handle(&conn->oc_data.ioc_obdo1), sizeof (*fh));
-
- return (rc);
-}
-
-int
-obdio_close (struct obdio_conn *conn, uint64_t oid, struct lustre_handle *fh)
+obdio_pread (struct obdio_conn *conn, __u64 oid,
+ void *buffer, __u32 count, __u64 offset)
{
obdio_iocinit (conn);
-
conn->oc_data.ioc_obdo1.o_id = oid;
conn->oc_data.ioc_obdo1.o_mode = S_IFREG;
- memcpy (obdo_handle (&conn->oc_data.ioc_obdo1), fh, sizeof (*fh));
- conn->oc_data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE |
- OBD_MD_FLMODE | OBD_MD_FLHANDLE;
-
- return (obdio_ioctl (conn, OBD_IOC_CLOSE));
-}
-
-int
-obdio_pread (struct obdio_conn *conn, uint64_t oid,
- char *buffer, uint32_t count, uint64_t offset)
-{
- obdio_iocinit (conn);
-
- conn->oc_data.ioc_obdo1.o_id = oid;
- conn->oc_data.ioc_obdo1.o_mode = S_IFREG;
- conn->oc_data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE;
+ conn->oc_data.ioc_obdo1.o_valid =
+ OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE;
conn->oc_data.ioc_pbuf2 = buffer;
conn->oc_data.ioc_plen2 = count;
}
int
-obdio_pwrite (struct obdio_conn *conn, uint64_t oid,
- char *buffer, uint32_t count, uint64_t offset)
+obdio_pwrite (struct obdio_conn *conn, __u64 oid,
+ void *buffer, __u32 count, __u64 offset)
{
obdio_iocinit (conn);
conn->oc_data.ioc_obdo1.o_id = oid;
conn->oc_data.ioc_obdo1.o_mode = S_IFREG;
- conn->oc_data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE;
+ conn->oc_data.ioc_obdo1.o_valid =
+ OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE;
+ conn->oc_data.ioc_pbuf1 = (void*)1;
+ conn->oc_data.ioc_plen1 = 1;
conn->oc_data.ioc_pbuf2 = buffer;
conn->oc_data.ioc_plen2 = count;
conn->oc_data.ioc_count = count;
}
int
-obdio_enqueue (struct obdio_conn *conn, uint64_t oid,
- int mode, uint64_t offset, uint32_t count,
+obdio_enqueue (struct obdio_conn *conn, __u64 oid,
+ int mode, __u64 offset, __u32 count,
struct lustre_handle *lh)
{
int rc;
rc = obdio_ioctl (conn, ECHO_IOC_ENQUEUE);
if (rc == 0)
- memcpy (lh, obdo_handle (&conn->oc_data.ioc_obdo1), sizeof (*lh));
+ *lh = conn->oc_data.ioc_obdo1.o_handle;
return (rc);
}
{
obdio_iocinit (conn);
- memcpy (obdo_handle (&conn->oc_data.ioc_obdo1), lh, sizeof (*lh));
+ conn->oc_data.ioc_obdo1.o_handle = *lh;
conn->oc_data.ioc_obdo1.o_valid = OBD_MD_FLHANDLE;
return (obdio_ioctl (conn, ECHO_IOC_CANCEL));
void *
obdio_alloc_aligned_buffer (void **spacep, int size)
{
- int pagesize = getpagesize();
- void *space = malloc (size + pagesize - 1);
+ int pagemask = getpagesize() - 1;
+ void *space = malloc(size + pagemask);
- *spacep = space;
if (space == NULL)
return (NULL);
- return ((void *)(((unsigned long)space + pagesize - 1) & ~(pagesize - 1)));
+ *spacep = (void *)(((unsigned long)space + pagemask) & ~pagemask);
+ return space;
}
struct obdio_barrier *
-obdio_new_barrier (uint64_t oid, uint64_t id, int npeers)
+obdio_new_barrier (__u64 oid, __u64 id, int npeers)
{
struct obdio_barrier *b;
- b = (struct obdio_barrier *)malloc (sizeof (*b));
+ b = malloc(sizeof(*b));
if (b == NULL) {
- fprintf (stderr, "obdio_new_barrier "LPX64": Can't allocate\n", oid);
- return (NULL);
+ fprintf(stderr, "%s "LPX64": Can't allocate\n",
+ __FUNCTION__, oid);
+ return(NULL);
}
b->ob_id = id;
int
obdio_setup_barrier (struct obdio_conn *conn, struct obdio_barrier *b)
{
- struct lustre_handle fh;
struct lustre_handle lh;
int rc;
int rc2;
- void *space;
+ void *space, *fileptr;
struct obdio_barrier *fileb;
if (b->ob_ordinal != 0 ||
b->ob_count != 0) {
- fprintf (stderr, "obdio_setup_barrier: invalid parameter\n");
+ fprintf(stderr, "%s: invalid parameter\n", __FUNCTION__);
abort ();
}
- rc = obdio_open (conn, b->ob_oid, &fh);
- if (rc != 0) {
- fprintf (stderr, "obdio_setup_barrier "LPX64": Failed to open object: %s\n",
- b->ob_oid, strerror (errno));
- return (rc);
- }
-
- fileb = (struct obdio_barrier *) obdio_alloc_aligned_buffer (&space, getpagesize ());
- if (fileb == NULL) {
- fprintf (stderr, "obdio_setup_barrier "LPX64": Can't allocate page buffer\n",
- b->ob_oid);
- rc = -1;
- goto out_0;
+ space = obdio_alloc_aligned_buffer(&fileptr, getpagesize());
+ if (space == NULL) {
+ fprintf(stderr, "%s "LPX64": Can't allocate page buffer\n",
+ __FUNCTION__, b->ob_oid);
+ return (-1);
}
- memset (fileb, 0, getpagesize ());
+ fileb = fileptr;
+ memset(fileb, 0, getpagesize());
*fileb = *b;
- rc = obdio_enqueue (conn, b->ob_oid, LCK_PW, 0, getpagesize (), &lh);
+ rc = obdio_enqueue(conn, b->ob_oid, LCK_PW, 0, getpagesize(), &lh);
if (rc != 0) {
- fprintf (stderr, "obdio_setup_barrier "LPX64": Error on enqueue: %s\n",
- b->ob_oid, strerror (errno));
- goto out_1;
+ fprintf(stderr, "%s "LPX64": Error on enqueue: %s\n",
+ __FUNCTION__, b->ob_oid, strerror(errno));
+ goto out;
}
- rc = obdio_pwrite (conn, b->ob_oid, (void *)fileb, getpagesize (), 0);
+ rc = obdio_pwrite(conn, b->ob_oid, fileb, getpagesize(), 0);
if (rc != 0)
- fprintf (stderr, "obdio_setup_barrier "LPX64": Error on write: %s\n",
- b->ob_oid, strerror (errno));
+ fprintf(stderr, "%s "LPX64": Error on write: %s\n",
+ __FUNCTION__, b->ob_oid, strerror(errno));
rc2 = obdio_cancel (conn, &lh);
if (rc == 0 && rc2 != 0) {
- fprintf (stderr, "obdio_setup_barrier "LPX64": Error on cancel: %s\n",
- b->ob_oid, strerror (errno));
+ fprintf(stderr, "%s "LPX64": Error on cancel: %s\n",
+ __FUNCTION__, b->ob_oid, strerror(errno));
rc = rc2;
}
- out_1:
+ out:
free (space);
- out_0:
- rc2 = obdio_close (conn, b->ob_oid, &fh);
- if (rc == 0 && rc2 != 0) {
- fprintf (stderr, "obdio_setup_barrier "LPX64": Error on close: %s\n",
- b->ob_oid, strerror (errno));
- rc = rc2;
- }
-
return (rc);
}
int
obdio_barrier (struct obdio_conn *conn, struct obdio_barrier *b)
{
- struct lustre_handle fh;
struct lustre_handle lh;
int rc;
int rc2;
- void *space;
+ void *space, *fileptr;
struct obdio_barrier *fileb;
char *mode;
- rc = obdio_open (conn, b->ob_oid, &fh);
- if (rc != 0) {
- fprintf (stderr, "obdio_barrier "LPX64": Error on open: %s\n",
- b->ob_oid, strerror (errno));
- return (rc);
- }
-
- fileb = (struct obdio_barrier *) obdio_alloc_aligned_buffer (&space, getpagesize ());
- if (fileb == NULL) {
- fprintf (stderr, "obdio_barrier "LPX64": Can't allocate page buffer\n",
- b->ob_oid);
- rc = -1;
- goto out_0;
+ space = obdio_alloc_aligned_buffer(&fileptr, getpagesize());
+ if (space == NULL) {
+ fprintf(stderr, "%s "LPX64": Can't allocate page buffer\n",
+ __FUNCTION__, b->ob_oid);
+ return (-1);
}
- rc = obdio_enqueue (conn, b->ob_oid, LCK_PW, 0, getpagesize (), &lh);
+ rc = obdio_enqueue(conn, b->ob_oid, LCK_PW, 0, getpagesize(), &lh);
if (rc != 0) {
- fprintf (stderr, "obdio_barrier "LPX64": Error on PW enqueue: %s\n",
- b->ob_oid, strerror (errno));
+ fprintf(stderr, "%s "LPX64": Error on PW enqueue: %s\n",
+ __FUNCTION__, b->ob_oid, strerror(errno));
goto out_1;
}
- memset (fileb, 0xeb, getpagesize ());
- rc = obdio_pread (conn, b->ob_oid, (void *)fileb, getpagesize (), 0);
+ fileb = fileptr;
+ memset(fileb, 0xeb, getpagesize());
+ rc = obdio_pread(conn, b->ob_oid, fileb, getpagesize(), 0);
if (rc != 0) {
- fprintf (stderr, "obdio_barrier "LPX64": Error on initial read: %s\n",
- b->ob_oid, strerror (errno));
+ fprintf(stderr, "%s "LPX64": Error on initial read: %s\n",
+ __FUNCTION__, b->ob_oid, strerror(errno));
goto out_2;
}
fileb->ob_npeers != b->ob_npeers ||
fileb->ob_count >= b->ob_npeers ||
fileb->ob_ordinal != b->ob_ordinal) {
- fprintf (stderr, "obdio_barrier "LPX64": corrupt on initial read\n", b->ob_id);
- fprintf (stderr, " got ["LPX64","LPX64","LPX64","LPX64","LPX64"]\n",
- fileb->ob_id, fileb->ob_oid, fileb->ob_npeers,
- fileb->ob_ordinal, fileb->ob_count);
- fprintf (stderr, " expected ["LPX64","LPX64","LPX64","LPX64","LPX64"]\n",
- b->ob_id, b->ob_oid, b->ob_npeers,
- b->ob_ordinal, b->ob_count);
+ fprintf(stderr, "%s "LPX64": corrupt on initial read\n",
+ __FUNCTION__, b->ob_id);
+ fprintf(stderr,
+ " got ["LPX64","LPX64","LPX64","LPX64","LPX64"]\n",
+ fileb->ob_id, fileb->ob_oid, fileb->ob_npeers,
+ fileb->ob_ordinal, fileb->ob_count);
+ fprintf(stderr,
+ " expected ["LPX64","LPX64","LPX64","LPX64","LPX64"]\n",
+ b->ob_id, b->ob_oid, b->ob_npeers,
+ b->ob_ordinal, b->ob_count);
rc = -1;
goto out_2;
}
fileb->ob_ordinal++; /* signal all joined */
}
- rc = obdio_pwrite (conn, b->ob_oid, (void *)fileb, getpagesize (), 0);
+ rc = obdio_pwrite(conn, b->ob_oid, fileb, getpagesize(), 0);
if (rc != 0) {
- fprintf (stderr, "obdio_barrier "LPX64": Error on initial write: %s\n",
- b->ob_oid, strerror (errno));
+ fprintf (stderr, "%s "LPX64": Error on initial write: %s\n",
+ __FUNCTION__, b->ob_oid, strerror(errno));
goto out_2;
}
mode = "PW";
b->ob_ordinal++; /* now I wait... */
while (fileb->ob_ordinal != b->ob_ordinal) {
-
rc = obdio_cancel (conn, &lh);
if (rc != 0) {
- fprintf (stderr, "obdio_barrier "LPX64": Error on %s cancel: %s\n",
- b->ob_oid, mode, strerror (errno));
+ fprintf(stderr, "%s "LPX64": Error on %s cancel: %s\n",
+ __FUNCTION__, b->ob_oid, mode, strerror(errno));
goto out_1;
}
mode = "PR";
- rc = obdio_enqueue (conn, b->ob_oid, LCK_PR, 0, getpagesize (), &lh);
+ rc = obdio_enqueue(conn, b->ob_oid, LCK_PR,0,getpagesize(),&lh);
if (rc != 0) {
- fprintf (stderr, "obdio_barrier "LPX64": Error on PR enqueue: %s\n",
- b->ob_oid, strerror (errno));
+ fprintf(stderr, "%s "LPX64": Error on PR enqueue: %s\n",
+ __FUNCTION__, b->ob_oid, strerror(errno));
goto out_1;
}
- memset (fileb, 0xeb, getpagesize ());
- rc = obdio_pread (conn, b->ob_oid, (void *)fileb, getpagesize (), 0);
+ memset (fileb, 0xeb, getpagesize());
+ rc = obdio_pread(conn, b->ob_oid, fileb, getpagesize(), 0);
if (rc != 0) {
- fprintf (stderr, "obdio_barrier "LPX64": Error on read: %s\n",
- b->ob_oid, strerror (errno));
+ fprintf(stderr, "%s "LPX64": Error on read: %s\n",
+ __FUNCTION__, b->ob_oid, strerror(errno));
goto out_2;
}
fileb->ob_count >= b->ob_npeers ||
(fileb->ob_ordinal != b->ob_ordinal - 1 &&
fileb->ob_ordinal != b->ob_ordinal)) {
- fprintf (stderr, "obdio_barrier "LPX64": corrupt\n", b->ob_id);
- fprintf (stderr, " got ["LPX64","LPX64","LPX64","LPX64","LPX64"]\n",
- fileb->ob_id, fileb->ob_oid, fileb->ob_npeers,
- fileb->ob_ordinal, fileb->ob_count);
- fprintf (stderr, " expected ["LPX64","LPX64","LPX64","LPX64","LPX64"]\n",
- b->ob_id, b->ob_oid, b->ob_npeers,
- b->ob_ordinal, b->ob_count);
+ fprintf(stderr, "%s "LPX64": corrupt\n",
+ __FUNCTION__, b->ob_id);
+ fprintf(stderr, " got ["LPX64","LPX64","LPX64","
+ LPX64","LPX64"]\n",
+ fileb->ob_id, fileb->ob_oid, fileb->ob_npeers,
+ fileb->ob_ordinal, fileb->ob_count);
+ fprintf(stderr, " expected ["LPX64","LPX64","LPX64
+ ","LPX64","LPX64"]\n",
+ b->ob_id, b->ob_oid, b->ob_npeers,
+ b->ob_ordinal, b->ob_count);
rc = -1;
goto out_2;
}
out_2:
rc2 = obdio_cancel (conn, &lh);
if (rc == 0 && rc2 != 0) {
- fprintf (stderr, "obdio_barrier "LPX64": Error on cancel: %s\n",
- b->ob_oid, strerror (errno));
+ fprintf(stderr, "%s "LPX64": Error on cancel: %s\n",
+ __FUNCTION__, b->ob_oid, strerror(errno));
rc = rc2;
}
out_1:
free (space);
- out_0:
- rc2 = obdio_close (conn, b->ob_oid, &fh);
- if (rc == 0 && rc2 != 0) {
- fprintf (stderr, "obdio_barrier "LPX64": Error on close: %s\n",
- b->ob_oid, strerror (errno));
- rc = rc2;
- }
-
return (rc);
}
-
-