*/
#define DEBUG_SUBSYSTEM S_CLASS
+#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>
#ifndef LPROCFS
-struct lprocfs_vars lprocfs_module_vars[] = { {0} };
-struct lprocfs_vars lprocfs_obd_vars[] = { {0} };
+static struct lprocfs_vars lprocfs_module_vars[] = { {0} };
+static struct lprocfs_vars lprocfs_obd_vars[] = { {0} };
#else
-DEFINE_LPROCFS_STATFS_FCT(rd_blksize, obd_self_statfs);
-DEFINE_LPROCFS_STATFS_FCT(rd_kbytestotal, obd_self_statfs);
-DEFINE_LPROCFS_STATFS_FCT(rd_kbytesfree, obd_self_statfs);
-DEFINE_LPROCFS_STATFS_FCT(rd_filestotal, obd_self_statfs);
-DEFINE_LPROCFS_STATFS_FCT(rd_filesfree, obd_self_statfs);
-DEFINE_LPROCFS_STATFS_FCT(rd_filegroups, obd_self_statfs);
-
-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 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_desc *desc = &dev->u.lov.desc;
+ 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);
}
-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_desc *desc = &dev->u.lov.desc;
+ struct lov_desc *desc;
+ 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_desc *desc = &dev->u.lov.desc;
+ 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);
}
-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_desc *desc = &dev->u.lov.desc;
+ struct lov_desc *desc;
+ 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_desc *desc = &dev->u.lov.desc;
+ 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);
}
-int rd_target(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)
{
struct obd_device *dev = (struct obd_device*) data;
- int len = 0, i;
+ struct lov_obd *lov;
+
+ LASSERT(dev != NULL);
+ lov = &dev->u.lov;
+ *eof = 1;
+ return snprintf(page, count, "%s\n", lov->mdcobd->obd_uuid.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;
- struct lov_tgt_desc *tgts = lov->tgts;
- for (i = 0; i < lov->desc.ld_tgt_count; i++, tgts++) {
- int cur;
- cur = snprintf(&page[len], count, "%d: %s %sACTIVE\n",
- i, tgts->uuid.uuid, tgts->active ? "" : "IN");
- len += cur;
- count -= cur;
- }
+ return (*pos >= lov->desc.ld_tgt_count) ? NULL : &(lov->tgts[*pos]);
- *eof = 1;
- return len;
}
-int rd_mdc(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)
{
- struct obd_device *dev = (struct obd_device*) data;
+}
+
+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;
- *eof = 1;
- return snprintf(page, count, "%s\n", lov->mdcobd->obd_uuid.uuid);
+ ++*pos;
+ return (*pos >=lov->desc.ld_tgt_count) ? NULL : &(lov->tgts[*pos]);
+}
+
+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+1, tgt->uuid.uuid,
+ tgt->active ? "" : "IN");
+}
+
+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,
+};
+
+static int lov_target_seq_open(struct inode *inode, struct file *file)
+{
+ 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 0;
}
struct lprocfs_vars lprocfs_obd_vars[] = {
- { "uuid", lprocfs_rd_uuid, 0, 0 },
- { "stripesize", rd_stripesize, 0, 0 },
- { "stripeoffset", rd_stripeoffset, 0, 0 },
- { "stripecount", rd_stripecount, 0, 0 },
- { "stripetype", rd_stripetype, 0, 0 },
- { "numobd", rd_numobd, 0, 0 },
- { "activeobd", rd_activeobd, 0, 0 },
- { "filestotal", rd_filestotal, 0, 0 },
- { "filesfree", rd_filesfree, 0, 0 },
- { "filegroups", rd_filegroups, 0, 0 },
- { "blocksize", rd_blksize, 0, 0 },
- { "kbytestotal", rd_kbytestotal, 0, 0 },
- { "kbytesfree", rd_kbytesfree, 0, 0 },
- { "target_obd", rd_target, 0, 0 },
- { "target_mdc", rd_mdc, 0, 0 },
+ { "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 }
};
-struct lprocfs_vars lprocfs_module_vars[] = {
- { "num_refs", lprocfs_rd_numrefs, 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(lprocfs_module_vars, lprocfs_obd_vars)
+LPROCFS_INIT_VARS(lov, lprocfs_module_vars, lprocfs_obd_vars)
git://git.whamcloud.com / fs / lustre-release.git / blobdiff