lmv->conn_data = *data;
#ifdef __KERNEL__
- lmv_proc_dir = lprocfs_register("target_obds", obd->obd_proc_entry,
- NULL, NULL);
- if (IS_ERR(lmv_proc_dir)) {
- CERROR("could not register /proc/fs/lustre/%s/%s/target_obds.",
- obd->obd_type->typ_name, obd->obd_name);
- lmv_proc_dir = NULL;
- }
+ if (obd->obd_proc_private != NULL) {
+ lmv_proc_dir = obd->obd_proc_private;
+ } else {
+ lmv_proc_dir = lprocfs_seq_register("target_obds",
+ obd->obd_proc_entry,
+ NULL, NULL);
+ if (IS_ERR(lmv_proc_dir)) {
+ CERROR("could not register /proc/fs/lustre/%s/%s/target_obds.",
+ obd->obd_type->typ_name, obd->obd_name);
+ lmv_proc_dir = NULL;
+ }
+ obd->obd_proc_private = lmv_proc_dir;
+ }
#endif
/*
rc = lmv_check_connect(obd);
#ifdef __KERNEL__
- if (rc) {
- if (lmv_proc_dir)
- lprocfs_remove(&lmv_proc_dir);
- }
+ if (rc && lmv_proc_dir) {
+ lprocfs_remove(&lmv_proc_dir);
+ obd->obd_proc_private = NULL;
+ }
#endif
-
RETURN(rc);
}
cfs_atomic_read(&obd->obd_refcount));
#ifdef __KERNEL__
- lmv_proc_dir = lprocfs_srch(obd->obd_proc_entry, "target_obds");
- if (lmv_proc_dir) {
- struct proc_dir_entry *mdc_symlink;
-
- LASSERT(mdc_obd->obd_type != NULL);
- LASSERT(mdc_obd->obd_type->typ_name != NULL);
- mdc_symlink = lprocfs_add_symlink(mdc_obd->obd_name,
- lmv_proc_dir,
- "../../../%s/%s",
- mdc_obd->obd_type->typ_name,
- mdc_obd->obd_name);
- if (mdc_symlink == NULL) {
- CERROR("Could not register LMV target "
- "/proc/fs/lustre/%s/%s/target_obds/%s.",
- obd->obd_type->typ_name, obd->obd_name,
- mdc_obd->obd_name);
- lprocfs_remove(&lmv_proc_dir);
- lmv_proc_dir = NULL;
- }
- }
+ lmv_proc_dir = obd->obd_proc_private;
+ if (lmv_proc_dir) {
+ struct proc_dir_entry *mdc_symlink;
+
+ LASSERT(mdc_obd->obd_type != NULL);
+ LASSERT(mdc_obd->obd_type->typ_name != NULL);
+ mdc_symlink = lprocfs_add_symlink(mdc_obd->obd_name,
+ lmv_proc_dir,
+ "../../../%s/%s",
+ mdc_obd->obd_type->typ_name,
+ mdc_obd->obd_name);
+ if (mdc_symlink == NULL) {
+ CERROR("Could not register LMV target "
+ "/proc/fs/lustre/%s/%s/target_obds/%s.",
+ obd->obd_type->typ_name, obd->obd_name,
+ mdc_obd->obd_name);
+ lprocfs_remove(&lmv_proc_dir);
+ obd->obd_proc_private = NULL;
+ }
+ }
#endif
- RETURN(0);
+ RETURN(0);
}
static void lmv_del_target(struct lmv_obd *lmv, int index)
}
#ifdef __KERNEL__
- lmv_proc_dir = lprocfs_srch(obd->obd_proc_entry, "target_obds");
- if (lmv_proc_dir) {
- struct proc_dir_entry *mdc_symlink;
-
- mdc_symlink = lprocfs_srch(lmv_proc_dir, mdc_obd->obd_name);
- if (mdc_symlink) {
- lprocfs_remove(&mdc_symlink);
- } else {
- CERROR("/proc/fs/lustre/%s/%s/target_obds/%s missing\n",
- obd->obd_type->typ_name, obd->obd_name,
- mdc_obd->obd_name);
- }
- }
+ lmv_proc_dir = obd->obd_proc_private;
+ if (lmv_proc_dir)
+ lprocfs_remove_proc_entry(mdc_obd->obd_name, lmv_proc_dir);
#endif
rc = obd_fid_fini(tgt->ltd_exp->exp_obd);
if (rc)
static int lmv_disconnect(struct obd_export *exp)
{
struct obd_device *obd = class_exp2obd(exp);
-#ifdef __KERNEL__
- struct proc_dir_entry *lmv_proc_dir;
-#endif
struct lmv_obd *lmv = &obd->u.lmv;
int rc;
__u32 i;
}
#ifdef __KERNEL__
- lmv_proc_dir = lprocfs_srch(obd->obd_proc_entry, "target_obds");
- if (lmv_proc_dir) {
- lprocfs_remove(&lmv_proc_dir);
- } else {
- CERROR("/proc/fs/lustre/%s/%s/target_obds missing\n",
- obd->obd_type->typ_name, obd->obd_name);
- }
+ if (obd->obd_proc_private)
+ lprocfs_remove((struct proc_dir_entry **)&obd->obd_proc_private);
+ else
+ CERROR("/proc/fs/lustre/%s/%s/target_obds missing\n",
+ obd->obd_type->typ_name, obd->obd_name);
#endif
out_local:
static int lmv_setup(struct obd_device *obd, struct lustre_cfg *lcfg)
{
- struct lmv_obd *lmv = &obd->u.lmv;
- struct lprocfs_static_vars lvars;
- struct lmv_desc *desc;
- int rc;
- ENTRY;
+ struct lmv_obd *lmv = &obd->u.lmv;
+ struct lmv_desc *desc;
+ int rc;
+ ENTRY;
if (LUSTRE_CFG_BUFLEN(lcfg, 1) < 1) {
CERROR("LMV setup requires a descriptor\n");
spin_lock_init(&lmv->lmv_lock);
mutex_init(&lmv->init_mutex);
- lprocfs_lmv_init_vars(&lvars);
-
- lprocfs_obd_setup(obd, lvars.obd_vars);
- lprocfs_alloc_md_stats(obd, 0);
#ifdef LPROCFS
- {
- rc = lprocfs_seq_create(obd->obd_proc_entry, "target_obd",
- 0444, &lmv_proc_target_fops, obd);
- if (rc)
- CWARN("%s: error adding LMV target_obd file: rc = %d\n",
- obd->obd_name, rc);
- }
+ obd->obd_vars = lprocfs_lmv_obd_vars;
+ lprocfs_seq_obd_setup(obd);
+ lprocfs_alloc_md_stats(obd, 0);
+ rc = lprocfs_seq_create(obd->obd_proc_entry, "target_obd",
+ 0444, &lmv_proc_target_fops, obd);
+ if (rc)
+ CWARN("%s: error adding LMV target_obd file: rc = %d\n",
+ obd->obd_name, rc);
#endif
rc = fld_client_init(&lmv->lmv_fld, obd->obd_name,
LUSTRE_CLI_FLD_HASH_DHT);
obd_count keylen, void *key, obd_count vallen,
void *val, struct ptlrpc_request_set *set)
{
- struct lmv_tgt_desc *tgt;
+ struct lmv_tgt_desc *tgt = NULL;
struct obd_device *obd;
struct lmv_obd *lmv;
int rc = 0;
int __init lmv_init(void)
{
- struct lprocfs_static_vars lvars;
-
- lprocfs_lmv_init_vars(&lvars);
-
return class_register_type(&lmv_obd_ops, &lmv_md_ops, NULL,
#ifndef HAVE_ONLY_PROCFS_SEQ
- lvars.module_vars,
+ NULL,
#endif
LUSTRE_LMV_NAME, NULL);
}
static struct lprocfs_vars lprocfs_module_vars[] = { {0} };
static struct lprocfs_vars lprocfs_obd_vars[] = { {0} };
#else
-static int lmv_rd_numobd(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static int lmv_numobd_seq_show(struct seq_file *m, void *v)
{
- struct obd_device *dev = (struct obd_device*)data;
+ struct obd_device *dev = (struct obd_device *)m->private;
struct lmv_desc *desc;
LASSERT(dev != NULL);
desc = &dev->u.lmv.desc;
- *eof = 1;
- return snprintf(page, count, "%u\n", desc->ld_tgt_count);
-
+ return seq_printf(m, "%u\n", desc->ld_tgt_count);
}
+LPROC_SEQ_FOPS_RO(lmv_numobd);
static const char *placement_name[] = {
[PLACEMENT_CHAR_POLICY] = "CHAR",
return placement_name[placement];
}
-static int lmv_rd_placement(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static int lmv_placement_seq_show(struct seq_file *m, void *v)
{
- struct obd_device *dev = (struct obd_device*)data;
+ struct obd_device *dev = (struct obd_device *)m->private;
struct lmv_obd *lmv;
LASSERT(dev != NULL);
lmv = &dev->u.lmv;
- *eof = 1;
- return snprintf(page, count, "%s\n",
- placement_policy2name(lmv->lmv_placement));
-
+ return seq_printf(m, "%s\n", placement_policy2name(lmv->lmv_placement));
}
#define MAX_POLICY_STRING_SIZE 64
-static int lmv_wr_placement(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t lmv_placement_seq_write(struct file *file, const char *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;
char dummy[MAX_POLICY_STRING_SIZE + 1];
int len = count;
placement_policy_t policy;
}
return count;
}
+LPROC_SEQ_FOPS(lmv_placement);
-static int lmv_rd_activeobd(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static int lmv_activeobd_seq_show(struct seq_file *m, void *v)
{
- struct obd_device *dev = (struct obd_device*)data;
+ struct obd_device *dev = (struct obd_device *)m->private;
struct lmv_desc *desc;
LASSERT(dev != NULL);
desc = &dev->u.lmv.desc;
- *eof = 1;
- return snprintf(page, count, "%u\n", desc->ld_active_tgt_count);
+ return seq_printf(m, "%u\n", desc->ld_active_tgt_count);
}
+LPROC_SEQ_FOPS_RO(lmv_activeobd);
-static int lmv_rd_desc_uuid(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static int lmv_desc_uuid_seq_show(struct seq_file *m, void *v)
{
- struct obd_device *dev = (struct obd_device*) data;
+ struct obd_device *dev = (struct obd_device*)m->private;
struct lmv_obd *lmv;
LASSERT(dev != NULL);
lmv = &dev->u.lmv;
- *eof = 1;
- return snprintf(page, count, "%s\n", lmv->desc.ld_uuid.uuid);
+ return seq_printf(m, "%s\n", lmv->desc.ld_uuid.uuid);
}
+LPROC_SEQ_FOPS_RO(lmv_desc_uuid);
static void *lmv_tgt_seq_start(struct seq_file *p, loff_t *pos)
{
static int lmv_target_seq_open(struct inode *inode, struct file *file)
{
- struct proc_dir_entry *dp = PDE(inode);
struct seq_file *seq;
int rc;
if (rc)
return rc;
- seq = file->private_data;
- seq->private = dp->data;
-
- return 0;
+ seq = file->private_data;
+ seq->private = PDE_DATA(inode);
+ return 0;
}
-struct lprocfs_vars lprocfs_lmv_obd_vars[] = {
- { "numobd", lmv_rd_numobd, 0, 0 },
- { "placement", lmv_rd_placement, lmv_wr_placement, 0 },
- { "activeobd", lmv_rd_activeobd, 0, 0 },
- { "uuid", lprocfs_rd_uuid, 0, 0 },
- { "desc_uuid", lmv_rd_desc_uuid, 0, 0 },
- { 0 }
-};
+LPROC_SEQ_FOPS_RO_TYPE(lmv, uuid);
-static struct lprocfs_vars lprocfs_lmv_module_vars[] = {
- { "num_refs", lprocfs_rd_numrefs, 0, 0 },
- { 0 }
+struct lprocfs_seq_vars lprocfs_lmv_obd_vars[] = {
+ { "numobd", &lmv_numobd_fops },
+ { "placement", &lmv_placement_fops },
+ { "activeobd", &lmv_activeobd_fops },
+ { "uuid", &lmv_uuid_fops },
+ { "desc_uuid", &lmv_desc_uuid_fops },
+ { 0 }
};
struct file_operations lmv_proc_target_fops = {
.llseek = seq_lseek,
.release = seq_release,
};
-
#endif /* LPROCFS */
-void lprocfs_lmv_init_vars(struct lprocfs_static_vars *lvars)
-{
- lvars->module_vars = lprocfs_lmv_module_vars;
- lvars->obd_vars = lprocfs_lmv_obd_vars;
-}