-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2012, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Author: Wang Di <wangdi@clusterfs.com>
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_MDS
-#include <linux/module.h>
-#include <linux/poll.h>
#include <obd.h>
#include <obd_class.h>
-#include <lustre_ver.h>
#include <obd_support.h>
#include <lprocfs_status.h>
-#include <lu_time.h>
-#include <lustre_log.h>
-#include <lustre/lustre_idl.h>
#include <libcfs/libcfs_string.h>
-
#include "mdd_internal.h"
-static const char *mdd_counter_names[LPROC_MDD_NR] = {
-};
-
-int mdd_procfs_init(struct mdd_device *mdd, const char *name)
-{
- struct lprocfs_static_vars lvars;
- struct lu_device *ld = &mdd->mdd_md_dev.md_lu_dev;
- struct obd_type *type;
- int rc;
- ENTRY;
-
- type = ld->ld_type->ldt_obd_type;
-
- LASSERT(name != NULL);
- LASSERT(type != NULL);
-
- /* Find the type procroot and add the proc entry for this device */
- lprocfs_mdd_init_vars(&lvars);
- mdd->mdd_proc_entry = lprocfs_register(name, type->typ_procroot,
- lvars.obd_vars, mdd);
- if (IS_ERR(mdd->mdd_proc_entry)) {
- rc = PTR_ERR(mdd->mdd_proc_entry);
- CERROR("Error %d setting up lprocfs for %s\n",
- rc, name);
- mdd->mdd_proc_entry = NULL;
- GOTO(out, rc);
- }
-
- rc = lu_time_init(&mdd->mdd_stats,
- mdd->mdd_proc_entry,
- mdd_counter_names, ARRAY_SIZE(mdd_counter_names));
-
- EXIT;
-out:
- if (rc)
- mdd_procfs_fini(mdd);
- return rc;
-}
-
-int mdd_procfs_fini(struct mdd_device *mdd)
-{
- if (mdd->mdd_stats)
- lu_time_fini(&mdd->mdd_stats);
-
- if (mdd->mdd_proc_entry) {
- lprocfs_remove(&mdd->mdd_proc_entry);
- mdd->mdd_proc_entry = NULL;
- }
- RETURN(0);
-}
-
-void mdd_lprocfs_time_start(const struct lu_env *env)
+static ssize_t
+mdd_atime_diff_seq_write(struct file *file, const char *buffer,
+ size_t count, loff_t *off)
{
- lu_lprocfs_time_start(env);
-}
-
-void mdd_lprocfs_time_end(const struct lu_env *env, struct mdd_device *mdd,
- int idx)
-{
- lu_lprocfs_time_end(env, mdd->mdd_stats, idx);
-}
-
-static int lprocfs_wr_atime_diff(struct file *file, const char *buffer,
- unsigned long count, void *data)
-{
- struct mdd_device *mdd = data;
- char kernbuf[20], *end;
- unsigned long diff = 0;
+ struct seq_file *m = file->private_data;
+ struct mdd_device *mdd = m->private;
+ char kernbuf[20], *end;
+ unsigned long diff = 0;
if (count > (sizeof(kernbuf) - 1))
return -EINVAL;
- if (copy_from_user(kernbuf, buffer, count))
+ if (copy_from_user(kernbuf, buffer, count))
return -EFAULT;
kernbuf[count] = '\0';
return count;
}
-static int lprocfs_rd_atime_diff(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int mdd_atime_diff_seq_show(struct seq_file *m, void *data)
{
- struct mdd_device *mdd = data;
+ struct mdd_device *mdd = m->private;
- *eof = 1;
- return snprintf(page, count, "%lu\n", mdd->mdd_atime_diff);
+ return seq_printf(m, "%lu\n", mdd->mdd_atime_diff);
}
-
+LPROC_SEQ_FOPS(mdd_atime_diff);
/**** changelogs ****/
-static int lprocfs_rd_changelog_mask(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int mdd_changelog_mask_seq_show(struct seq_file *m, void *data)
{
- struct mdd_device *mdd = data;
- int i = 0, rc = 0;
-
- *eof = 1;
- while (i < CL_LAST) {
- if (mdd->mdd_cl.mc_mask & (1 << i))
- rc += snprintf(page + rc, count - rc, "%s ",
- changelog_type2str(i));
- i++;
- }
- return rc;
+ struct mdd_device *mdd = m->private;
+ int i = 0;
+
+ while (i < CL_LAST) {
+ if (mdd->mdd_cl.mc_mask & (1 << i))
+ seq_printf(m, "%s ", changelog_type2str(i));
+ i++;
+ }
+ return 0;
}
-static int lprocfs_wr_changelog_mask(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t
+mdd_changelog_mask_seq_write(struct file *file, const char *buffer,
+ size_t count, loff_t *off)
{
- struct mdd_device *mdd = data;
- char *kernbuf;
- int rc;
- ENTRY;
-
- if (count >= CFS_PAGE_SIZE)
- RETURN(-EINVAL);
- OBD_ALLOC(kernbuf, CFS_PAGE_SIZE);
- if (kernbuf == NULL)
- RETURN(-ENOMEM);
- if (copy_from_user(kernbuf, buffer, count))
- GOTO(out, rc = -EFAULT);
- kernbuf[count] = 0;
-
- rc = libcfs_str2mask(kernbuf, changelog_type2str, &mdd->mdd_cl.mc_mask,
- CHANGELOG_MINMASK, CHANGELOG_ALLMASK);
- if (rc == 0)
- rc = count;
+ struct seq_file *m = file->private_data;
+ struct mdd_device *mdd = m->private;
+ char *kernbuf;
+ int rc;
+ ENTRY;
+
+ if (count >= PAGE_CACHE_SIZE)
+ RETURN(-EINVAL);
+ OBD_ALLOC(kernbuf, PAGE_CACHE_SIZE);
+ if (kernbuf == NULL)
+ RETURN(-ENOMEM);
+ if (copy_from_user(kernbuf, buffer, count))
+ GOTO(out, rc = -EFAULT);
+ kernbuf[count] = 0;
+
+ rc = cfs_str2mask(kernbuf, changelog_type2str, &mdd->mdd_cl.mc_mask,
+ CHANGELOG_MINMASK, CHANGELOG_ALLMASK);
+ if (rc == 0)
+ rc = count;
out:
- OBD_FREE(kernbuf, CFS_PAGE_SIZE);
- return rc;
+ OBD_FREE(kernbuf, PAGE_CACHE_SIZE);
+ return rc;
}
+LPROC_SEQ_FOPS(mdd_changelog_mask);
-struct cucb_data {
- char *page;
- int count;
- int idx;
-};
-
-static int lprocfs_changelog_users_cb(struct llog_handle *llh,
- struct llog_rec_hdr *hdr, void *data)
+static int lprocfs_changelog_users_cb(const struct lu_env *env,
+ struct llog_handle *llh,
+ struct llog_rec_hdr *hdr, void *data)
{
- struct llog_changelog_user_rec *rec;
- struct cucb_data *cucb = (struct cucb_data *)data;
-
- LASSERT(llh->lgh_hdr->llh_flags & LLOG_F_IS_PLAIN);
+ struct llog_changelog_user_rec *rec;
+ struct seq_file *m = data;
- rec = (struct llog_changelog_user_rec *)hdr;
+ LASSERT(llh->lgh_hdr->llh_flags & LLOG_F_IS_PLAIN);
- cucb->idx += snprintf(cucb->page + cucb->idx, cucb->count - cucb->idx,
- CHANGELOG_USER_PREFIX"%-3d "LPU64"\n",
- rec->cur_id, rec->cur_endrec);
- if (cucb->idx >= cucb->count)
- return -ENOSPC;
+ rec = (struct llog_changelog_user_rec *)hdr;
- return 0;
+ seq_printf(m, CHANGELOG_USER_PREFIX"%-3d "LPU64"\n",
+ rec->cur_id, rec->cur_endrec);
+ return 0;
}
-static int lprocfs_rd_changelog_users(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int mdd_changelog_users_seq_show(struct seq_file *m, void *data)
{
- struct mdd_device *mdd = data;
- struct llog_ctxt *ctxt;
- struct cucb_data cucb;
- __u64 cur;
-
- *eof = 1;
-
- ctxt = llog_get_context(mdd2obd_dev(mdd),LLOG_CHANGELOG_USER_ORIG_CTXT);
+ struct lu_env env;
+ struct mdd_device *mdd = m->private;
+ struct llog_ctxt *ctxt;
+ __u64 cur;
+ int rc;
+
+ ctxt = llog_get_context(mdd2obd_dev(mdd),
+ LLOG_CHANGELOG_USER_ORIG_CTXT);
if (ctxt == NULL)
return -ENXIO;
LASSERT(ctxt->loc_handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT);
- spin_lock(&mdd->mdd_cl.mc_lock);
- cur = mdd->mdd_cl.mc_index;
- spin_unlock(&mdd->mdd_cl.mc_lock);
-
- cucb.count = count;
- cucb.page = page;
- cucb.idx = 0;
+ rc = lu_env_init(&env, LCT_LOCAL);
+ if (rc) {
+ llog_ctxt_put(ctxt);
+ return rc;
+ }
- cucb.idx += snprintf(cucb.page + cucb.idx, cucb.count - cucb.idx,
- "current index: "LPU64"\n", cur);
+ spin_lock(&mdd->mdd_cl.mc_lock);
+ cur = mdd->mdd_cl.mc_index;
+ spin_unlock(&mdd->mdd_cl.mc_lock);
- cucb.idx += snprintf(cucb.page + cucb.idx, cucb.count - cucb.idx,
- "%-5s %s\n", "ID", "index");
+ seq_printf(m, "current index: "LPU64"\n", cur);
+ seq_printf(m, "%-5s %s\n", "ID", "index");
- llog_cat_process(ctxt->loc_handle, lprocfs_changelog_users_cb,
- &cucb, 0, 0);
+ llog_cat_process(&env, ctxt->loc_handle, lprocfs_changelog_users_cb,
+ m, 0, 0);
- llog_ctxt_put(ctxt);
- return cucb.idx;
+ lu_env_fini(&env);
+ llog_ctxt_put(ctxt);
+ return 0;
}
+LPROC_SEQ_FOPS_RO(mdd_changelog_users);
-/* non-seq version for direct calling by class_process_proc_param */
-static int mdd_changelog_write(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static int mdd_sync_perm_seq_show(struct seq_file *m, void *data)
{
- struct mdd_device *mdd = (struct mdd_device *)data;
- char kernbuf[32];
- char *end;
- int rc;
-
- if (count > (sizeof(kernbuf) - 1))
- goto out_usage;
+ struct mdd_device *mdd = m->private;
- count = min_t(unsigned long, count, sizeof(kernbuf));
- if (copy_from_user(kernbuf, buffer, count))
- return -EFAULT;
-
- kernbuf[count] = '\0';
- /* strip trailing newline from "echo blah" */
- if (kernbuf[count - 1] == '\n')
- kernbuf[count - 1] = '\0';
-
- /* Forced on/off/purge rec, independent of changelog users! */
- if (strcmp(kernbuf, "on") == 0) {
- rc = mdd_changelog_on(mdd, 1);
- } else if (strcmp(kernbuf, "off") == 0) {
- rc = mdd_changelog_on(mdd, 0);
- } else {
- /* purge to an index */
- long long unsigned endrec;
-
- endrec = (long long)simple_strtoull(kernbuf, &end, 0);
- if (end == kernbuf)
- goto out_usage;
-
- LCONSOLE_INFO("changelog purge to %llu\n", endrec);
-
- rc = mdd_changelog_llog_cancel(mdd, endrec);
- }
-
- if (rc < 0)
- return rc;
- return count;
-
-out_usage:
- CWARN("changelog write usage: [on|off] | <purge_idx (0=all)>\n");
- return -EINVAL;
+ LASSERT(mdd != NULL);
+ return seq_printf(m, "%d\n", mdd->mdd_sync_permission);
}
-static ssize_t mdd_changelog_seq_write(struct file *file, const char *buffer,
- size_t count, loff_t *off)
+static ssize_t
+mdd_sync_perm_seq_write(struct file *file, const char *buffer,
+ size_t count, loff_t *off)
{
- struct seq_file *seq = file->private_data;
- struct changelog_seq_iter *csi = seq->private;
- struct mdd_device *mdd = (struct mdd_device *)csi->csi_dev;
-
- return mdd_changelog_write(file, buffer, count, mdd);
-}
+ struct seq_file *m = file->private_data;
+ struct mdd_device *mdd = m->private;
+ int val, rc;
-static int mdd_changelog_done(struct changelog_seq_iter *csi)
-{
- struct mdd_device *mdd = (struct mdd_device *)csi->csi_dev;
- int done = 0;
+ LASSERT(mdd != NULL);
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
- spin_lock(&mdd->mdd_cl.mc_lock);
- done = (csi->csi_endrec >= mdd->mdd_cl.mc_index);
- spin_unlock(&mdd->mdd_cl.mc_lock);
- return done;
+ mdd->mdd_sync_permission = !!val;
+ return count;
}
+LPROC_SEQ_FOPS(mdd_sync_perm);
-/* handle nonblocking */
-static ssize_t mdd_changelog_seq_read(struct file *file, char __user *buf,
- size_t count, loff_t *ppos)
+static int mdd_lfsck_speed_limit_seq_show(struct seq_file *m, void *data)
{
- struct seq_file *seq = (struct seq_file *)file->private_data;
- struct changelog_seq_iter *csi = seq->private;
- int rc;
- ENTRY;
-
- if ((file->f_flags & O_NONBLOCK) && mdd_changelog_done(csi))
- RETURN(-EAGAIN);
+ struct mdd_device *mdd = m->private;
- csi->csi_done = 0;
- rc = seq_read(file, buf, count, ppos);
- RETURN(rc);
+ LASSERT(mdd != NULL);
+ return lfsck_get_speed(m, mdd->mdd_bottom);
}
-/* handle nonblocking */
-static unsigned int mdd_changelog_seq_poll(struct file *file, poll_table *wait)
+static ssize_t
+mdd_lfsck_speed_limit_seq_write(struct file *file, const char *buffer,
+ size_t count, loff_t *off)
{
- struct seq_file *seq = (struct seq_file *)file->private_data;
- struct changelog_seq_iter *csi = seq->private;
- struct mdd_device *mdd = (struct mdd_device *)csi->csi_dev;
- ENTRY;
-
- csi->csi_done = 0;
- poll_wait(file, &mdd->mdd_cl.mc_waitq, wait);
- if (!mdd_changelog_done(csi))
- RETURN(POLLIN | POLLRDNORM);
-
- RETURN(0);
+ struct seq_file *m = file->private_data;
+ struct mdd_device *mdd = m->private;
+ __u32 val;
+ int rc;
+
+ LASSERT(mdd != NULL);
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc != 0)
+ return rc;
+
+ rc = lfsck_set_speed(mdd->mdd_bottom, val);
+ return rc != 0 ? rc : count;
}
+LPROC_SEQ_FOPS(mdd_lfsck_speed_limit);
-static int mdd_changelog_seq_open(struct inode *inode, struct file *file)
+static int mdd_lfsck_async_windows_seq_show(struct seq_file *m, void *data)
{
- struct changelog_seq_iter *csi;
- struct obd_device *obd;
- int rc;
- ENTRY;
+ struct mdd_device *mdd = m->private;
- rc = changelog_seq_open(inode, file, &csi);
- if (rc)
- RETURN(rc);
-
- /* The proc file is set up with mdd in data, not obd */
- obd = mdd2obd_dev((struct mdd_device *)csi->csi_dev);
- csi->csi_ctxt = llog_get_context(obd, LLOG_CHANGELOG_ORIG_CTXT);
- if (csi->csi_ctxt == NULL) {
- changelog_seq_release(inode, file);
- RETURN(-ENOENT);
- }
- /* The handle is set up in llog_obd_origin_setup */
- csi->csi_llh = csi->csi_ctxt->loc_handle;
- RETURN(rc);
+ LASSERT(mdd != NULL);
+ return lfsck_get_windows(m, mdd->mdd_bottom);
}
-static int mdd_changelog_seq_release(struct inode *inode, struct file *file)
+static ssize_t
+mdd_lfsck_async_windows_seq_write(struct file *file, const char *buffer,
+ size_t count, loff_t *off)
{
- struct seq_file *seq = file->private_data;
- struct changelog_seq_iter *csi = seq->private;
-
- if (csi && csi->csi_ctxt)
- llog_ctxt_put(csi->csi_ctxt);
-
- return (changelog_seq_release(inode, file));
-}
+ struct seq_file *m = file->private_data;
+ struct mdd_device *mdd = m->private;
+ __u32 val;
+ int rc;
-/* mdd changelog proc can handle nonblocking ops and writing to purge recs */
-struct file_operations mdd_changelog_fops = {
- .owner = THIS_MODULE,
- .open = mdd_changelog_seq_open,
- .read = mdd_changelog_seq_read,
- .write = mdd_changelog_seq_write,
- .llseek = changelog_seq_lseek,
- .poll = mdd_changelog_seq_poll,
- .release = mdd_changelog_seq_release,
-};
+ LASSERT(mdd != NULL);
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc == 0)
+ rc = lfsck_set_windows(mdd->mdd_bottom, val);
-#ifdef HAVE_QUOTA_SUPPORT
-static int mdd_lprocfs_quota_rd_type(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct mdd_device *mdd = data;
- return lprocfs_quota_rd_type(page, start, off, count, eof,
- mdd->mdd_obd_dev);
+ return rc != 0 ? rc : count;
}
+LPROC_SEQ_FOPS(mdd_lfsck_async_windows);
-static int mdd_lprocfs_quota_wr_type(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static int mdd_lfsck_namespace_seq_show(struct seq_file *m, void *data)
{
- struct mdd_device *mdd = data;
- return lprocfs_quota_wr_type(file, buffer, count, mdd->mdd_obd_dev);
-}
-#endif
+ struct mdd_device *mdd = m->private;
-static int lprocfs_rd_sync_perm(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct mdd_device *mdd = data;
+ LASSERT(mdd != NULL);
- LASSERT(mdd != NULL);
- return snprintf(page, count, "%d\n", mdd->mdd_sync_permission);
+ return lfsck_dump(m, mdd->mdd_bottom, LT_NAMESPACE);
}
+LPROC_SEQ_FOPS_RO(mdd_lfsck_namespace);
-static int lprocfs_wr_sync_perm(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static int mdd_lfsck_layout_seq_show(struct seq_file *m, void *data)
{
- struct mdd_device *mdd = data;
- int val, rc;
+ struct mdd_device *mdd = m->private;
- LASSERT(mdd != NULL);
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
+ LASSERT(mdd != NULL);
- mdd->mdd_sync_permission = !!val;
- return count;
+ return lfsck_dump(m, mdd->mdd_bottom, LT_LAYOUT);
}
-
-static struct lprocfs_vars lprocfs_mdd_obd_vars[] = {
- { "atime_diff", lprocfs_rd_atime_diff, lprocfs_wr_atime_diff, 0 },
- { "changelog_mask", lprocfs_rd_changelog_mask,
- lprocfs_wr_changelog_mask, 0 },
- { "changelog_users", lprocfs_rd_changelog_users, 0, 0},
- { "changelog", 0, mdd_changelog_write, 0, &mdd_changelog_fops, 0600 },
-#ifdef HAVE_QUOTA_SUPPORT
- { "quota_type", mdd_lprocfs_quota_rd_type,
- mdd_lprocfs_quota_wr_type, 0 },
-#endif
- { "sync_permission", lprocfs_rd_sync_perm, lprocfs_wr_sync_perm, 0 },
- { 0 }
-};
-
-static struct lprocfs_vars lprocfs_mdd_module_vars[] = {
- { "num_refs", lprocfs_rd_numrefs, 0, 0 },
- { 0 }
+LPROC_SEQ_FOPS_RO(mdd_lfsck_layout);
+
+static struct lprocfs_seq_vars lprocfs_mdd_obd_vars[] = {
+ { .name = "atime_diff",
+ .fops = &mdd_atime_diff_fops },
+ { .name = "changelog_mask",
+ .fops = &mdd_changelog_mask_fops },
+ { .name = "changelog_users",
+ .fops = &mdd_changelog_users_fops },
+ { .name = "sync_permission",
+ .fops = &mdd_sync_perm_fops },
+ { .name = "lfsck_speed_limit",
+ .fops = &mdd_lfsck_speed_limit_fops },
+ { .name = "lfsck_async_windows",
+ .fops = &mdd_lfsck_async_windows_fops },
+ { .name = "lfsck_namespace",
+ .fops = &mdd_lfsck_namespace_fops },
+ { .name = "lfsck_layout",
+ .fops = &mdd_lfsck_layout_fops },
+ { 0 }
};
-void lprocfs_mdd_init_vars(struct lprocfs_static_vars *lvars)
+int mdd_procfs_init(struct mdd_device *mdd, const char *name)
{
- lvars->module_vars = lprocfs_mdd_module_vars;
- lvars->obd_vars = lprocfs_mdd_obd_vars;
+ struct obd_device *obd = class_name2obd(name);
+ struct obd_type *type;
+ int rc;
+ ENTRY;
+
+ /* at the moment there is no linkage between lu_type
+ * and obd_type, so we lookup obd_type this way */
+ type = class_search_type(LUSTRE_MDD_NAME);
+
+ LASSERT(name != NULL);
+ LASSERT(type != NULL);
+ LASSERT(obd != NULL);
+
+ /* Find the type procroot and add the proc entry for this device */
+ obd->obd_vars = lprocfs_mdd_obd_vars;
+ mdd->mdd_proc_entry = lprocfs_seq_register(name, type->typ_procroot,
+ obd->obd_vars, mdd);
+ if (IS_ERR(mdd->mdd_proc_entry)) {
+ rc = PTR_ERR(mdd->mdd_proc_entry);
+ CERROR("Error %d setting up lprocfs for %s\n",
+ rc, name);
+ mdd->mdd_proc_entry = NULL;
+ GOTO(out, rc);
+ }
+ rc = 0;
+ EXIT;
+out:
+ if (rc)
+ mdd_procfs_fini(mdd);
+ return rc;
}
+void mdd_procfs_fini(struct mdd_device *mdd)
+{
+ if (mdd->mdd_proc_entry)
+ lprocfs_remove(&mdd->mdd_proc_entry);
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff