X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Futils%2Fobdiolib.c;h=544778bf56cd622a675c2c63386d178acfd807a7;hb=da09be15c52c15ab42aec658c848fa17453855a2;hp=461a8c0e25ccdf210bba024156fb4ca405d22098;hpb=c5050e412572b00cbe93d8517d2d1f767bebfa92;p=fs%2Flustre-release.git diff --git a/lustre/utils/obdiolib.c b/lustre/utils/obdiolib.c index 461a8c0..544778b 100644 --- a/lustre/utils/obdiolib.c +++ b/lustre/utils/obdiolib.c @@ -1,24 +1,41 @@ -/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- - * vim:expandtab:shiftwidth=8:tabstop=8: +/* + * GPL HEADER START * - * Copyright (C) 2003 Cluster File Systems, Inc. - * Author: Eric Barton + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * - * This file is part of Lustre, http://www.lustre.org. + * 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 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 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). * - * 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. + * 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 * - * 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. + * 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. + * + * Copyright (c) 2013, Intel Corporation. + */ +/* + * 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 */ #include @@ -38,7 +55,7 @@ obdio_iocinit (struct obdio_conn *conn) { 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); } @@ -51,9 +68,9 @@ obdio_ioctl (struct obdio_conn *conn, int cmd) 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); @@ -62,8 +79,8 @@ obdio_ioctl (struct obdio_conn *conn, int cmd) 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 (); } @@ -74,40 +91,22 @@ struct obdio_conn * 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)); - 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)); + fprintf(stderr, "%s: Can't open /dev/obd: %s\n", + __FUNCTION__, strerror(errno)); goto failed; } - conn->oc_conn_cookie = conn->oc_data.ioc_cookie; + conn->oc_device = device; return (conn); failed: @@ -124,14 +123,15 @@ obdio_disconnect (struct obdio_conn *conn, int flags) } int -obdio_pread (struct obdio_conn *conn, uint64_t oid, - char *buffer, uint32_t count, uint64_t offset) +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; - conn->oc_data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE; + ostid_set_id(&conn->oc_data.ioc_obdo1.o_oi, 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_pbuf2 = buffer; conn->oc_data.ioc_plen2 = count; @@ -142,15 +142,18 @@ obdio_pread (struct obdio_conn *conn, uint64_t oid, } 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; + ostid_set_id(&conn->oc_data.ioc_obdo1.o_oi, 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_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; @@ -160,17 +163,18 @@ obdio_pwrite (struct obdio_conn *conn, uint64_t oid, } 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; 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; + ostid_set_id(&conn->oc_data.ioc_obdo1.o_oi, 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_conn1 = mode; conn->oc_data.ioc_count = count; @@ -179,7 +183,7 @@ obdio_enqueue (struct obdio_conn *conn, uint64_t oid, 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); } @@ -189,7 +193,7 @@ obdio_cancel (struct obdio_conn *conn, struct lustre_handle *lh) { 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)); @@ -198,25 +202,26 @@ obdio_cancel (struct obdio_conn *conn, struct lustre_handle *lh) 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; @@ -233,41 +238,42 @@ obdio_setup_barrier (struct obdio_conn *conn, struct obdio_barrier *b) 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 (); } - 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); + 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)); + 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: @@ -281,29 +287,30 @@ obdio_barrier (struct obdio_conn *conn, struct obdio_barrier *b) struct lustre_handle lh; int rc; int rc2; - void *space; + void *space, *fileptr; struct obdio_barrier *fileb; char *mode; - 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); + 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; } @@ -312,13 +319,16 @@ obdio_barrier (struct obdio_conn *conn, struct obdio_barrier *b) 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; } @@ -329,37 +339,36 @@ obdio_barrier (struct obdio_conn *conn, struct obdio_barrier *b) 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; } @@ -369,13 +378,16 @@ obdio_barrier (struct obdio_conn *conn, struct obdio_barrier *b) 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; } @@ -384,13 +396,11 @@ obdio_barrier (struct obdio_conn *conn, struct obdio_barrier *b) 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); return (rc); } - -