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37 #define DEBUG_SUBSYSTEM S_CLASS
39 #include <linux/version.h>
40 #include <linux/seq_file.h>
41 #include <asm/statfs.h>
42 #include <lprocfs_status.h>
43 #include <obd_class.h>
45 #include "lmv_internal.h"
47 #ifndef CONFIG_PROC_FS
48 static struct lprocfs_vars lprocfs_module_vars[] = { {0} };
49 static struct lprocfs_vars lprocfs_obd_vars[] = { {0} };
51 static int lmv_numobd_seq_show(struct seq_file *m, void *v)
53 struct obd_device *dev = (struct obd_device *)m->private;
54 struct lmv_desc *desc;
57 desc = &dev->u.lmv.desc;
58 seq_printf(m, "%u\n", desc->ld_tgt_count);
61 LPROC_SEQ_FOPS_RO(lmv_numobd);
63 static int lmv_activeobd_seq_show(struct seq_file *m, void *v)
65 struct obd_device *dev = (struct obd_device *)m->private;
66 struct lmv_desc *desc;
69 desc = &dev->u.lmv.desc;
70 seq_printf(m, "%u\n", desc->ld_active_tgt_count);
73 LPROC_SEQ_FOPS_RO(lmv_activeobd);
75 static int lmv_desc_uuid_seq_show(struct seq_file *m, void *v)
77 struct obd_device *dev = (struct obd_device*)m->private;
82 seq_printf(m, "%s\n", lmv->desc.ld_uuid.uuid);
85 LPROC_SEQ_FOPS_RO(lmv_desc_uuid);
87 static void *lmv_tgt_seq_start(struct seq_file *p, loff_t *pos)
89 struct obd_device *dev = p->private;
90 struct lmv_obd *lmv = &dev->u.lmv;
92 while (*pos < lmv->tgts_size) {
93 if (lmv->tgts[*pos] != NULL)
94 return lmv->tgts[*pos];
102 static void lmv_tgt_seq_stop(struct seq_file *p, void *v)
107 static void *lmv_tgt_seq_next(struct seq_file *p, void *v, loff_t *pos)
109 struct obd_device *dev = p->private;
110 struct lmv_obd *lmv = &dev->u.lmv;
113 while (*pos < lmv->tgts_size) {
114 if (lmv->tgts[*pos] != NULL)
115 return lmv->tgts[*pos];
123 static int lmv_tgt_seq_show(struct seq_file *p, void *v)
125 struct lmv_tgt_desc *tgt = v;
129 seq_printf(p, "%u: %s %sACTIVE\n", tgt->ltd_idx,
130 tgt->ltd_uuid.uuid, tgt->ltd_active ? "" : "IN");
134 static const struct seq_operations lmv_tgt_sops = {
135 .start = lmv_tgt_seq_start,
136 .stop = lmv_tgt_seq_stop,
137 .next = lmv_tgt_seq_next,
138 .show = lmv_tgt_seq_show,
141 static int lmv_target_seq_open(struct inode *inode, struct file *file)
143 struct seq_file *seq;
146 rc = seq_open(file, &lmv_tgt_sops);
150 seq = file->private_data;
151 seq->private = PDE_DATA(inode);
155 LPROC_SEQ_FOPS_RO_TYPE(lmv, uuid);
157 struct lprocfs_vars lprocfs_lmv_obd_vars[] = {
159 .fops = &lmv_numobd_fops },
160 { .name = "activeobd",
161 .fops = &lmv_activeobd_fops },
163 .fops = &lmv_uuid_fops },
164 { .name = "desc_uuid",
165 .fops = &lmv_desc_uuid_fops },
169 struct file_operations lmv_proc_target_fops = {
170 .owner = THIS_MODULE,
171 .open = lmv_target_seq_open,
174 .release = seq_release,
176 #endif /* CONFIG_PROC_FS */