/*
* 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/
#include <asm/statfs.h>
#include <lprocfs_status.h>
#include <obd_class.h>
-#include <linux/seq_file.h>
+#include <lustre_param.h>
#include "lov_internal.h"
#ifdef LPROCFS
-static int lov_rd_stripesize(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static int lov_stripesize_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_size);
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+
+ return seq_printf(m, LPU64"\n", desc->ld_default_stripe_size);
}
-static int lov_wr_stripesize(struct file *file, const char *buffer,
- unsigned long count, 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;
rc = lprocfs_write_u64_helper(buffer, count, &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_wr_stripeoffset(struct file *file, const char *buffer,
- unsigned long count, 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;
rc = lprocfs_write_u64_helper(buffer, count, &val);
desc->ld_default_stripe_offset = val;
return count;
}
+LPROC_SEQ_FOPS(lov_stripeoffset);
-static int lov_rd_stripetype(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_pattern);
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ return seq_printf(m, "%u\n", desc->ld_pattern);
}
-static int lov_wr_stripetype(struct file *file, const char *buffer,
- unsigned long count, 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;
rc = lprocfs_write_helper(buffer, count, &val);
desc->ld_pattern = val;
return count;
}
+LPROC_SEQ_FOPS(lov_stripetype);
-static int lov_rd_stripecount(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 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, "%d\n",
- (__s16)(desc->ld_default_stripe_count + 1) - 1);
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ return seq_printf(m, "%d\n",
+ (__s16)(desc->ld_default_stripe_count + 1) - 1);
}
-static int lov_wr_stripecount(struct file *file, const char *buffer,
- unsigned long count, void *data)
+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 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;
rc = lprocfs_write_helper(buffer, count, &val);
desc->ld_default_stripe_count = val;
return count;
}
+LPROC_SEQ_FOPS(lov_stripecount);
-static int lov_rd_numobd(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_desc *desc;
-
- LASSERT(dev != NULL);
- desc = &dev->u.lov.desc;
- *eof = 1;
- return snprintf(page, count, "%u\n", desc->ld_tgt_count);
+ 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_tgt_count);
}
+LPROC_SEQ_FOPS_RO(lov_numobd);
-static int lov_rd_activeobd(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static int lov_activeobd_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_active_tgt_count);
+ 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_rd_desc_uuid(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static int lov_desc_uuid_seq_show(struct seq_file *m, void *v)
{
- struct obd_device *dev = (struct obd_device*) data;
- struct lov_obd *lov;
+ struct obd_device *dev = m->private;
+ struct lov_obd *lov;
- LASSERT(dev != NULL);
- lov = &dev->u.lov;
- *eof = 1;
- return snprintf(page, count, "%s\n", lov->desc.ld_uuid.uuid);
+ 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)
{
static int lov_tgt_seq_show(struct seq_file *p, void *v)
{
struct lov_tgt_desc *tgt = v;
- return seq_printf(p, "%d: %s %sACTIVE\n", tgt->ltd_index,
- obd_uuid2str(&tgt->ltd_uuid),
- tgt->ltd_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 = {
+static const struct seq_operations lov_tgt_sops = {
.start = lov_tgt_seq_start,
.stop = lov_tgt_seq_stop,
.next = lov_tgt_seq_next,
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;
+ struct seq_file *seq;
+ int rc;
- LPROCFS_ENTRY_AND_CHECK(dp);
- rc = seq_open(file, &lov_tgt_sops);
- if (rc) {
- LPROCFS_EXIT();
- return rc;
- }
+ rc = LPROCFS_ENTRY_CHECK(inode);
+ if (rc < 0)
+ return rc;
- seq = file->private_data;
- seq->private = dp->data;
- return 0;
-}
+ rc = seq_open(file, &lov_tgt_sops);
+ if (rc)
+ return rc;
-struct lprocfs_vars lprocfs_lov_obd_vars[] = {
- { "uuid", lprocfs_rd_uuid, 0, 0 },
- { "stripesize", lov_rd_stripesize, lov_wr_stripesize, 0 },
- { "stripeoffset", lov_rd_stripeoffset, lov_wr_stripeoffset, 0 },
- { "stripecount", lov_rd_stripecount, lov_wr_stripecount, 0 },
- { "stripetype", lov_rd_stripetype, lov_wr_stripetype, 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 },
- { "kbytesavail", lprocfs_rd_kbytesavail, 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_lov_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 }
};
-void lprocfs_lov_init_vars(struct lprocfs_static_vars *lvars)
-{
- lvars->module_vars = lprocfs_lov_module_vars;
- lvars->obd_vars = lprocfs_lov_obd_vars;
-}
-
struct file_operations lov_proc_target_fops = {
.owner = THIS_MODULE,
.open = lov_target_seq_open,
git://git.whamcloud.com / fs / lustre-release.git / blobdiff