diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/lmv/lproc_lmv.c')
-rw-r--r-- | drivers/staging/lustre/lustre/lmv/lproc_lmv.c | 107 |
1 files changed, 50 insertions, 57 deletions
diff --git a/drivers/staging/lustre/lustre/lmv/lproc_lmv.c b/drivers/staging/lustre/lustre/lmv/lproc_lmv.c index 22e5c315faa4..311fc1b70c4d 100644 --- a/drivers/staging/lustre/lustre/lmv/lproc_lmv.c +++ b/drivers/staging/lustre/lustre/lmv/lproc_lmv.c @@ -42,17 +42,17 @@ #include "../include/obd_class.h" #include "lmv_internal.h" -static int lmv_numobd_seq_show(struct seq_file *m, void *v) +static ssize_t numobd_show(struct kobject *kobj, struct attribute *attr, + char *buf) { - struct obd_device *dev = (struct obd_device *)m->private; - struct lmv_desc *desc; + struct obd_device *dev = container_of(kobj, struct obd_device, + obd_kobj); + struct lmv_desc *desc; - LASSERT(dev != NULL); desc = &dev->u.lmv.desc; - seq_printf(m, "%u\n", desc->ld_tgt_count); - return 0; + return sprintf(buf, "%u\n", desc->ld_tgt_count); } -LPROC_SEQ_FOPS_RO(lmv_numobd); +LUSTRE_RO_ATTR(numobd); static const char *placement_name[] = { [PLACEMENT_CHAR_POLICY] = "CHAR", @@ -77,66 +77,61 @@ static const char *placement_policy2name(enum placement_policy placement) return placement_name[placement]; } -static int lmv_placement_seq_show(struct seq_file *m, void *v) +static ssize_t placement_show(struct kobject *kobj, struct attribute *attr, + char *buf) { - struct obd_device *dev = (struct obd_device *)m->private; - struct lmv_obd *lmv; + struct obd_device *dev = container_of(kobj, struct obd_device, + obd_kobj); + struct lmv_obd *lmv; - LASSERT(dev != NULL); lmv = &dev->u.lmv; - seq_printf(m, "%s\n", placement_policy2name(lmv->lmv_placement)); - return 0; + return sprintf(buf, "%s\n", placement_policy2name(lmv->lmv_placement)); } #define MAX_POLICY_STRING_SIZE 64 -static ssize_t lmv_placement_seq_write(struct file *file, - const char __user *buffer, - size_t count, loff_t *off) +static ssize_t placement_store(struct kobject *kobj, struct attribute *attr, + const char *buffer, + size_t count) { - struct obd_device *dev = ((struct seq_file *)file->private_data)->private; - char dummy[MAX_POLICY_STRING_SIZE + 1]; - int len = count; - enum placement_policy policy; - struct lmv_obd *lmv; + struct obd_device *dev = container_of(kobj, struct obd_device, + obd_kobj); + char dummy[MAX_POLICY_STRING_SIZE + 1]; + enum placement_policy policy; + struct lmv_obd *lmv = &dev->u.lmv; - if (copy_from_user(dummy, buffer, MAX_POLICY_STRING_SIZE)) - return -EFAULT; + memcpy(dummy, buffer, MAX_POLICY_STRING_SIZE); - LASSERT(dev != NULL); - lmv = &dev->u.lmv; + if (count > MAX_POLICY_STRING_SIZE) + count = MAX_POLICY_STRING_SIZE; - if (len > MAX_POLICY_STRING_SIZE) - len = MAX_POLICY_STRING_SIZE; + if (dummy[count - 1] == '\n') + count--; + dummy[count] = '\0'; - if (dummy[len - 1] == '\n') - len--; - dummy[len] = '\0'; - - policy = placement_name2policy(dummy, len); + policy = placement_name2policy(dummy, count); if (policy != PLACEMENT_INVAL_POLICY) { spin_lock(&lmv->lmv_lock); lmv->lmv_placement = policy; spin_unlock(&lmv->lmv_lock); } else { - CERROR("Invalid placement policy \"%s\"!\n", dummy); return -EINVAL; } return count; } -LPROC_SEQ_FOPS(lmv_placement); +LUSTRE_RW_ATTR(placement); -static int lmv_activeobd_seq_show(struct seq_file *m, void *v) +static ssize_t activeobd_show(struct kobject *kobj, struct attribute *attr, + char *buf) { - struct obd_device *dev = (struct obd_device *)m->private; - struct lmv_desc *desc; + struct obd_device *dev = container_of(kobj, struct obd_device, + obd_kobj); + struct lmv_desc *desc; - LASSERT(dev != NULL); desc = &dev->u.lmv.desc; - seq_printf(m, "%u\n", desc->ld_active_tgt_count); - return 0; + return sprintf(buf, "%u\n", desc->ld_active_tgt_count); } -LPROC_SEQ_FOPS_RO(lmv_activeobd); +LUSTRE_RO_ATTR(activeobd); static int lmv_desc_uuid_seq_show(struct seq_file *m, void *v) { @@ -182,7 +177,7 @@ static int lmv_tgt_seq_show(struct seq_file *p, void *v) return 0; } -static struct seq_operations lmv_tgt_sops = { +static const struct seq_operations lmv_tgt_sops = { .start = lmv_tgt_seq_start, .stop = lmv_tgt_seq_stop, .next = lmv_tgt_seq_next, @@ -199,29 +194,16 @@ static int lmv_target_seq_open(struct inode *inode, struct file *file) return rc; seq = file->private_data; - seq->private = PDE_DATA(inode); + seq->private = inode->i_private; return 0; } -LPROC_SEQ_FOPS_RO_TYPE(lmv, uuid); - static struct lprocfs_vars lprocfs_lmv_obd_vars[] = { - { "numobd", &lmv_numobd_fops, NULL, 0 }, - { "placement", &lmv_placement_fops, NULL, 0 }, - { "activeobd", &lmv_activeobd_fops, NULL, 0 }, - { "uuid", &lmv_uuid_fops, NULL, 0 }, { "desc_uuid", &lmv_desc_uuid_fops, NULL, 0 }, { NULL } }; -LPROC_SEQ_FOPS_RO_TYPE(lmv, numrefs); - -static struct lprocfs_vars lprocfs_lmv_module_vars[] = { - { "num_refs", &lmv_numrefs_fops, NULL, 0 }, - { NULL } -}; - struct file_operations lmv_proc_target_fops = { .owner = THIS_MODULE, .open = lmv_target_seq_open, @@ -230,8 +212,19 @@ struct file_operations lmv_proc_target_fops = { .release = seq_release, }; +static struct attribute *lmv_attrs[] = { + &lustre_attr_activeobd.attr, + &lustre_attr_numobd.attr, + &lustre_attr_placement.attr, + NULL, +}; + +static struct attribute_group lmv_attr_group = { + .attrs = lmv_attrs, +}; + void lprocfs_lmv_init_vars(struct lprocfs_static_vars *lvars) { - lvars->module_vars = lprocfs_lmv_module_vars; + lvars->sysfs_vars = &lmv_attr_group; lvars->obd_vars = lprocfs_lmv_obd_vars; } |