X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Flov%2Flproc_lov.c;h=e8f9abbe9bf5598d85088021d45250129622d6bd;hp=2a322e695100ecb6ca90841772dee22210eb6db9;hb=66e9055b23433bd0aa8da5e49f3b665fb1b95532;hpb=72855636a60fe76ea105506178052b01816f1cbc diff --git a/lustre/lov/lproc_lov.c b/lustre/lov/lproc_lov.c index 2a322e6..e8f9abb 100644 --- a/lustre/lov/lproc_lov.c +++ b/lustre/lov/lproc_lov.c @@ -1,131 +1,215 @@ -/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- - * vim:expandtab:shiftwidth=8:tabstop=8: +/* + * GPL HEADER START * - * Copyright (C) 2002 Cluster File Systems, Inc. + * 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) 2002, 2010, Oracle and/or its affiliates. All rights reserved. + * Use is subject to license terms. + * + * Copyright (c) 2012, Intel Corporation. + */ +/* + * This file is part of Lustre, http://www.lustre.org/ + * Lustre is a trademark of Sun Microsystems, Inc. */ #define DEBUG_SUBSYSTEM S_CLASS #include -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)) #include -#endif -#include -#include -#include +#include +#include +#include +#include "lov_internal.h" + +#ifdef LPROCFS +static int lov_stripesize_seq_show(struct seq_file *m, void *v) +{ + struct obd_device *dev = (struct obd_device *)m->private; + struct lov_desc *desc; + + LASSERT(dev != NULL); + desc = &dev->u.lov.desc; -#ifndef LPROCFS -static struct lprocfs_vars lprocfs_module_vars[] = { {0} }; -static struct lprocfs_vars lprocfs_obd_vars[] = { {0} }; -#else + return seq_printf(m, LPU64"\n", desc->ld_default_stripe_size); +} -static int lov_rd_stripesize(char *page, char **start, off_t off, int count, - int *eof, void *data) +static ssize_t lov_stripesize_seq_write(struct file *file, + const char __user *buffer, + size_t count, loff_t *off) { - struct obd_device *dev = (struct obd_device *)data; + struct obd_device *dev = ((struct seq_file *)file->private_data)->private; struct lov_desc *desc; + __u64 val; + int rc; LASSERT(dev != NULL); desc = &dev->u.lov.desc; - *eof = 1; - return snprintf(page, count, LPU64"\n", desc->ld_default_stripe_size); + rc = lprocfs_write_u64_helper(buffer, count, &val); + if (rc) + return rc; + + lov_fix_desc_stripe_size(&val); + desc->ld_default_stripe_size = val; + return count; } +LPROC_SEQ_FOPS(lov_stripesize); -static int lov_rd_stripeoffset(char *page, char **start, off_t off, int count, - int *eof, void *data) +static int lov_stripeoffset_seq_show(struct seq_file *m, void *v) { - struct obd_device *dev = (struct obd_device *)data; - struct lov_desc *desc; + struct obd_device *dev = (struct obd_device *)m->private; + struct lov_desc *desc; - LASSERT(dev != NULL); - desc = &dev->u.lov.desc; - *eof = 1; - return snprintf(page, count, LPU64"\n", desc->ld_default_stripe_offset); + LASSERT(dev != NULL); + desc = &dev->u.lov.desc; + return seq_printf(m, LPU64"\n", desc->ld_default_stripe_offset); } -static int lov_rd_stripetype(char *page, char **start, off_t off, int count, - int *eof, void *data) +static ssize_t lov_stripeoffset_seq_write(struct file *file, + const char __user *buffer, + size_t count, loff_t *off) { - struct obd_device* dev = (struct obd_device*)data; + struct obd_device *dev = ((struct seq_file *)file->private_data)->private; struct lov_desc *desc; + __u64 val; + int rc; LASSERT(dev != NULL); desc = &dev->u.lov.desc; - *eof = 1; - return snprintf(page, count, "%u\n", desc->ld_pattern); + rc = lprocfs_write_u64_helper(buffer, count, &val); + if (rc) + return rc; + + desc->ld_default_stripe_offset = val; + return count; } +LPROC_SEQ_FOPS(lov_stripeoffset); -static int lov_rd_stripecount(char *page, char **start, off_t off, int count, - int *eof, void *data) +static int lov_stripetype_seq_show(struct seq_file *m, void *v) { - struct obd_device *dev = (struct obd_device *)data; - struct lov_desc *desc; + struct obd_device* dev = (struct obd_device*)m->private; + struct lov_desc *desc; - LASSERT(dev != NULL); - desc = &dev->u.lov.desc; - *eof = 1; - return snprintf(page, count, "%u\n", desc->ld_default_stripe_count); + LASSERT(dev != NULL); + desc = &dev->u.lov.desc; + return seq_printf(m, "%u\n", desc->ld_pattern); } -static int lov_rd_numobd(char *page, char **start, off_t off, int count, - int *eof, void *data) +static ssize_t lov_stripetype_seq_write(struct file *file, + const char __user *buffer, + size_t count, loff_t *off) { - struct obd_device *dev = (struct obd_device*)data; + struct obd_device *dev = ((struct seq_file *)file->private_data)->private; struct lov_desc *desc; + int val, rc; LASSERT(dev != NULL); desc = &dev->u.lov.desc; - *eof = 1; - return snprintf(page, count, "%u\n", desc->ld_tgt_count); + rc = lprocfs_write_helper(buffer, count, &val); + if (rc) + return rc; + lov_fix_desc_pattern(&val); + desc->ld_pattern = val; + return count; } +LPROC_SEQ_FOPS(lov_stripetype); -static int lov_rd_activeobd(char *page, char **start, off_t off, int count, - int *eof, void *data) +static int lov_stripecount_seq_show(struct seq_file *m, void *v) { - struct obd_device* dev = (struct obd_device*)data; + struct obd_device *dev = (struct obd_device *)m->private; + struct lov_desc *desc; + + LASSERT(dev != NULL); + desc = &dev->u.lov.desc; + return seq_printf(m, "%d\n", + (__s16)(desc->ld_default_stripe_count + 1) - 1); +} + +static ssize_t lov_stripecount_seq_write(struct file *file, + const char __user *buffer, + size_t count, loff_t *off) +{ + struct obd_device *dev = ((struct seq_file *)file->private_data)->private; struct lov_desc *desc; + int val, rc; LASSERT(dev != NULL); desc = &dev->u.lov.desc; - *eof = 1; - return snprintf(page, count, "%u\n", desc->ld_active_tgt_count); + rc = lprocfs_write_helper(buffer, count, &val); + if (rc) + return rc; + + lov_fix_desc_stripe_count(&val); + desc->ld_default_stripe_count = val; + return count; } +LPROC_SEQ_FOPS(lov_stripecount); -static int lov_rd_desc_uuid(char *page, char **start, off_t off, int count, - int *eof, void *data) +static int lov_numobd_seq_show(struct seq_file *m, void *v) { - struct obd_device *dev = (struct obd_device*) data; - struct lov_obd *lov; + struct obd_device *dev = (struct obd_device*)m->private; + struct lov_desc *desc; - LASSERT(dev != NULL); - lov = &dev->u.lov; - *eof = 1; - return snprintf(page, count, "%s\n", lov->desc.ld_uuid.uuid); + LASSERT(dev != NULL); + desc = &dev->u.lov.desc; + return seq_printf(m, "%u\n", desc->ld_tgt_count); +} +LPROC_SEQ_FOPS_RO(lov_numobd); + +static int lov_activeobd_seq_show(struct seq_file *m, void *v) +{ + struct obd_device* dev = (struct obd_device*)m->private; + struct lov_desc *desc; + + LASSERT(dev != NULL); + desc = &dev->u.lov.desc; + return seq_printf(m, "%u\n", desc->ld_active_tgt_count); +} +LPROC_SEQ_FOPS_RO(lov_activeobd); + +static int lov_desc_uuid_seq_show(struct seq_file *m, void *v) +{ + struct obd_device *dev = m->private; + struct lov_obd *lov; + + LASSERT(dev != NULL); + lov = &dev->u.lov; + return seq_printf(m, "%s\n", lov->desc.ld_uuid.uuid); } +LPROC_SEQ_FOPS_RO(lov_desc_uuid); static void *lov_tgt_seq_start(struct seq_file *p, loff_t *pos) { struct obd_device *dev = p->private; struct lov_obd *lov = &dev->u.lov; - return (*pos >= lov->desc.ld_tgt_count) ? NULL : &(lov->tgts[*pos]); - + while (*pos < lov->desc.ld_tgt_count) { + if (lov->lov_tgts[*pos]) + return lov->lov_tgts[*pos]; + ++*pos; + } + return NULL; } static void lov_tgt_seq_stop(struct seq_file *p, void *v) @@ -137,18 +221,19 @@ static void *lov_tgt_seq_next(struct seq_file *p, void *v, loff_t *pos) struct obd_device *dev = p->private; struct lov_obd *lov = &dev->u.lov; - ++*pos; - return (*pos >=lov->desc.ld_tgt_count) ? NULL : &(lov->tgts[*pos]); + while (++*pos < lov->desc.ld_tgt_count) { + if (lov->lov_tgts[*pos]) + return lov->lov_tgts[*pos]; + } + return NULL; } static int lov_tgt_seq_show(struct seq_file *p, void *v) { struct lov_tgt_desc *tgt = v; - struct obd_device *dev = p->private; - struct lov_obd *lov = &dev->u.lov; - int idx = tgt - &(lov->tgts[0]); - return seq_printf(p, "%d: %s %sACTIVE\n", idx, tgt->uuid.uuid, - tgt->active ? "" : "IN"); + return seq_printf(p, "%d: %s %sACTIVE\n", tgt->ltd_index, + obd_uuid2str(&tgt->ltd_uuid), + tgt->ltd_active ? "" : "IN"); } struct seq_operations lov_tgt_sops = { @@ -160,48 +245,64 @@ struct seq_operations lov_tgt_sops = { static int lov_target_seq_open(struct inode *inode, struct file *file) { - struct proc_dir_entry *dp = PDE(inode); - struct seq_file *seq; - int rc = seq_open(file, &lov_tgt_sops); + struct seq_file *seq; + int rc; - if (rc) - return rc; + LPROCFS_ENTRY_CHECK(PDE(inode)); + rc = seq_open(file, &lov_tgt_sops); + if (rc) + return rc; - seq = file->private_data; - seq->private = dp->data; - - return 0; -} - -struct lprocfs_vars lprocfs_obd_vars[] = { - { "uuid", lprocfs_rd_uuid, 0, 0 }, - { "stripesize", lov_rd_stripesize, 0, 0 }, - { "stripeoffset", lov_rd_stripeoffset, 0, 0 }, - { "stripecount", lov_rd_stripecount, 0, 0 }, - { "stripetype", lov_rd_stripetype, 0, 0 }, - { "numobd", lov_rd_numobd, 0, 0 }, - { "activeobd", lov_rd_activeobd, 0, 0 }, - { "filestotal", lprocfs_rd_filestotal, 0, 0 }, - { "filesfree", lprocfs_rd_filesfree, 0, 0 }, - //{ "filegroups", lprocfs_rd_filegroups, 0, 0 }, - { "blocksize", lprocfs_rd_blksize, 0, 0 }, - { "kbytestotal", lprocfs_rd_kbytestotal, 0, 0 }, - { "kbytesfree", lprocfs_rd_kbytesfree, 0, 0 }, - { "desc_uuid", lov_rd_desc_uuid, 0, 0 }, - { 0 } -}; + seq = file->private_data; + seq->private = PDE_DATA(inode); + return 0; +} -static struct lprocfs_vars lprocfs_module_vars[] = { - { "num_refs", lprocfs_rd_numrefs, 0, 0 }, - { 0 } +LPROC_SEQ_FOPS_RO_TYPE(lov, uuid); +LPROC_SEQ_FOPS_RO_TYPE(lov, filestotal); +LPROC_SEQ_FOPS_RO_TYPE(lov, filesfree); +LPROC_SEQ_FOPS_RO_TYPE(lov, blksize); +LPROC_SEQ_FOPS_RO_TYPE(lov, kbytestotal); +LPROC_SEQ_FOPS_RO_TYPE(lov, kbytesfree); +LPROC_SEQ_FOPS_RO_TYPE(lov, kbytesavail); + +struct lprocfs_seq_vars lprocfs_lov_obd_vars[] = { + { .name = "uuid", + .fops = &lov_uuid_fops }, + { .name = "stripesize", + .fops = &lov_stripesize_fops }, + { .name = "stripeoffset", + .fops = &lov_stripeoffset_fops }, + { .name = "stripecount", + .fops = &lov_stripecount_fops }, + { .name = "stripetype", + .fops = &lov_stripetype_fops }, + { .name = "numobd", + .fops = &lov_numobd_fops }, + { .name = "activeobd", + .fops = &lov_activeobd_fops }, + { .name = "filestotal", + .fops = &lov_filestotal_fops }, + { .name = "filesfree", + .fops = &lov_filesfree_fops }, + { .name = "blocksize", + .fops = &lov_blksize_fops }, + { .name = "kbytestotal", + .fops = &lov_kbytestotal_fops }, + { .name = "kbytesfree", + .fops = &lov_kbytesfree_fops }, + { .name = "kbytesavail", + .fops = &lov_kbytesavail_fops }, + { .name = "desc_uuid", + .fops = &lov_desc_uuid_fops }, + { 0 } }; struct file_operations lov_proc_target_fops = { - .open = lov_target_seq_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, + .owner = THIS_MODULE, + .open = lov_target_seq_open, + .read = seq_read, + .llseek = seq_lseek, + .release = lprocfs_seq_release, }; - #endif /* LPROCFS */ -LPROCFS_INIT_VARS(lov, lprocfs_module_vars, lprocfs_obd_vars)