*/
#define DEBUG_SUBSYSTEM S_CLASS
-#include <linux/lustre_lite.h>
+#include <linux/version.h>
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
+#include <asm/statfs.h>
+#endif
#include <linux/lprocfs_status.h>
+#include <linux/obd_class.h>
+#include <linux/seq_file.h>
-/*
- * Common STATUS namespace
- */
-
-int rd_uuid(char *page, char **start, off_t off, int count, int *eof,
- void *data)
-{
- struct obd_device* dev = (struct obd_device*)data;
- return snprintf(page, count, "%s\n", dev->obd_uuid);
-}
+#ifndef LPROCFS
+static struct lprocfs_vars lprocfs_module_vars[] = { {0} };
+static struct lprocfs_vars lprocfs_obd_vars[] = { {0} };
+#else
-int rd_stripesize(char *page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lov_rd_stripesize(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
{
- struct obd_device *dev = (struct obd_device*)data;
- struct lov_desc *desc = &dev->u.lov.desc;
+ 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, LPU64"\n", desc->ld_default_stripe_size);
}
-int rd_stripeoffset(char *page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lov_rd_stripeoffset(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
{
- struct obd_device* dev = (struct obd_device*)data;
- struct lov_obd* lov = &dev->u.lov;
+ struct obd_device *dev = (struct obd_device *)data;
+ struct lov_desc *desc;
- return snprintf(page, count, LPU64"\n",
- lov->desc.ld_default_stripe_offset);
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ *eof = 1;
+ return snprintf(page, count, LPU64"\n", desc->ld_default_stripe_offset);
}
-int rd_stripetype(char *page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lov_rd_stripetype(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
{
struct obd_device* dev = (struct obd_device*)data;
- struct lov_obd* lov = &dev->u.lov;
+ struct lov_desc *desc;
- return snprintf(page, count, "%u\n", lov->desc.ld_pattern);
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ *eof = 1;
+ return snprintf(page, count, "%u\n", desc->ld_pattern);
}
-int rd_stripecount(char *page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lov_rd_stripecount(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
{
- struct obd_device* dev = (struct obd_device*)data;
- struct lov_obd* lov = &dev->u.lov;
+ struct obd_device *dev = (struct obd_device *)data;
+ struct lov_desc *desc;
- return snprintf(page, count, "%u\n", lov->desc.ld_default_stripe_count);
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ *eof = 1;
+ return snprintf(page, count, "%u\n", desc->ld_default_stripe_count);
}
-int rd_numobd(char *page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lov_rd_numobd(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
{
struct obd_device *dev = (struct obd_device*)data;
- struct lov_obd *lov = &dev->u.lov;
+ struct lov_desc *desc;
- return snprintf(page, count, "%u\n", lov->desc.ld_tgt_count);
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ *eof = 1;
+ return snprintf(page, count, "%u\n", desc->ld_tgt_count);
}
-int rd_activeobd(char *page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lov_rd_activeobd(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
{
struct obd_device* dev = (struct obd_device*)data;
- struct lov_obd* lov = &dev->u.lov;
+ struct lov_desc *desc;
- return snprintf(page, count, "%u\n", lov->desc.ld_active_tgt_count);
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ *eof = 1;
+ return snprintf(page, count, "%u\n", desc->ld_active_tgt_count);
}
-int rd_blksize(char *page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lov_rd_mdc(char *page, char **start, off_t off, int count, int *eof,
+ void *data)
{
- return 0;
-}
-
+ struct obd_device *dev = (struct obd_device*) data;
+ struct lov_obd *lov;
-int rd_kbtotal(char *page, char **start, off_t off, int count, int *eof,
- void *data)
-{
- return 0;
+ LASSERT(dev != NULL);
+ lov = &dev->u.lov;
+ *eof = 1;
+ return snprintf(page, count, "%s\n", lov->mdcobd->obd_uuid.uuid);
}
-
-int rd_kbfree(char *page, char **start, off_t off, int count, int *eof,
- void *data)
+static void *lov_tgt_seq_start(struct seq_file *p, loff_t *pos)
{
- return 0;
-}
+ struct obd_device *dev = p->private;
+ struct lov_obd *lov = &dev->u.lov;
-int rd_filestotal(char *page, char **start, off_t off, int count, int *eof,
- void *data)
-{
- return 0;
-}
+ return (*pos >= lov->desc.ld_tgt_count) ? NULL : &(lov->tgts[*pos]);
-int rd_filesfree(char* page, char **start, off_t off, int count, int *eof,
- void *data)
-{
- return 0;
}
-int rd_filegroups(char* page, char **start, off_t off, int count, int *eof,
- void *data)
+static void lov_tgt_seq_stop(struct seq_file *p, void *v)
{
- return 0;
}
-int rd_target(char *page, char **start, off_t off, int count, int *eof,
- void *data)
+static void *lov_tgt_seq_next(struct seq_file *p, void *v, loff_t *pos)
{
- struct obd_device* dev = (struct obd_device*)data;
- int len = 0, i = 0;
- struct lov_obd* lov = &dev->u.lov;
- struct lov_tgt_desc* tgts = lov->tgts;
- while (i < lov->desc.ld_tgt_count) {
- len += snprintf(&page[len], count - len, "%d: %s %sACTIVE\n",
- i, tgts->uuid, tgts->active ? "" : "IN");
- i++;
- tgts++;
- }
-
- return len;
+ 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]);
}
-int rd_mdc(char* page, char **start, off_t off, int count, int *eof, void *data)
+static int lov_tgt_seq_show(struct seq_file *p, void *v)
{
- struct obd_device* dev = (struct obd_device*)data;
- int len = 0;
- struct lov_obd* lov = &dev->u.lov;
- len += snprintf(page, count, "%s\n", lov->mdcobd->obd_uuid);
- return len;
+ 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+1, tgt->uuid.uuid,
+ tgt->active ? "" : "IN");
}
-struct lprocfs_vars status_var_nm_1[] = {
- {"status/uuid", rd_uuid, 0, 0},
- {"status/stripesize",rd_stripesize, 0, 0},
- {"status/stripeoffset",rd_stripeoffset, 0, 0},
- {"status/stripecount",rd_stripecount, 0, 0},
- {"status/stripetype", rd_stripetype, 0, 0},
- {"status/numobd",rd_numobd, 0, 0},
- {"status/activeobd", rd_activeobd, 0, 0},
- {"status/filestotal", rd_filestotal, 0, 0},
- {"status/filesfree", rd_filesfree, 0, 0},
- {"status/filegroups", rd_filegroups, 0, 0},
- {"status/blocksize", rd_blksize, 0, 0},
- {"status/kbytestotal", rd_kbtotal, 0, 0},
- {"status/kbytesfree", rd_kbfree, 0, 0},
- {"status/target_obd", rd_target, 0, 0},
- {"status/target_mdc", rd_mdc, 0, 0},
- {0}
+struct seq_operations lov_tgt_sops = {
+ .start = lov_tgt_seq_start,
+ .stop = lov_tgt_seq_stop,
+ .next = lov_tgt_seq_next,
+ .show = lov_tgt_seq_show,
};
-int rd_numrefs(char *page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lov_target_seq_open(struct inode *inode, struct file *file)
{
- struct obd_type* class = (struct obd_type*)data;
+ struct proc_dir_entry *dp = inode->u.generic_ip;
+ struct seq_file *seq;
+ int rc = seq_open(file, &lov_tgt_sops);
+
+ if (rc)
+ return rc;
+
+ seq = file->private_data;
+ seq->private = dp->data;
- return snprintf(page, count, "%d\n", class->typ_refcnt);
+ return 0;
}
-struct lprocfs_vars status_class_var[]={
- {"status/num_refs", rd_numrefs, 0, 0},
- {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 },
+ { "target_mdc", lov_rd_mdc, 0, 0 },
+ { 0 }
};
+
+static struct lprocfs_vars lprocfs_module_vars[] = {
+ { "num_refs", lprocfs_rd_numrefs, 0, 0 },
+ { 0 }
+};
+
+struct file_operations lov_proc_target_fops = {
+ .open = lov_target_seq_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
+
+#endif /* LPROCFS */
+LPROCFS_INIT_VARS(lov, lprocfs_module_vars, lprocfs_obd_vars)