tot_granted - tgd->tgd_tot_pending) ?
D_ERROR : D_CACHE;
- CDEBUG_LIMIT(mask, "%s: cli %s/%p left %llu < tot_grant "
- "%llu unstable %llu pending %llu "
- "dirty %llu\n",
+ /* the below message is checked in sanityn.sh test_15 */
+ CDEBUG_LIMIT(mask,
+ "%s: cli %s/%p left=%llu < tot_grant=%llu unstable=%llu pending=%llu dirty=%llu\n",
obd->obd_name, exp->exp_client_uuid.uuid, exp,
left, tot_granted, unstable,
tgd->tgd_tot_pending,
/* Align left on block size */
left &= ~((1ULL << tgd->tgd_blockbits) - 1);
- CDEBUG(D_CACHE, "%s: cli %s/%p avail %llu left %llu unstable "
- "%llu tot_grant %llu pending %llu\n", obd->obd_name,
- exp->exp_client_uuid.uuid, exp, avail, left, unstable,
- tot_granted, tgd->tgd_tot_pending);
+ CDEBUG(D_CACHE,
+ "%s: cli %s/%p avail=%llu left=%llu unstable=%llu tot_grant=%llu pending=%llu\n",
+ obd->obd_name, exp->exp_client_uuid.uuid, exp, avail, left,
+ unstable, tot_granted, tgd->tgd_tot_pending);
RETURN(left);
}
ENTRY;
+ if (OBD_FAIL_CHECK(OBD_FAIL_TGT_NO_GRANT))
+ RETURN(0);
+
/* When tgd_grant_compat_disable is set, we don't grant any space to
* clients not supporting OBD_CONNECT_GRANT_PARAM.
* Otherwise, space granted to such a client is inflated since it
tgd = &lut->lut_tgd;
spin_lock(&tgd->tgd_grant_lock);
- LASSERTF(tgd->tgd_tot_granted >= ted->ted_grant,
- "%s: tot_granted %llu cli %s/%p ted_grant %ld\n",
- obd->obd_name, tgd->tgd_tot_granted,
- exp->exp_client_uuid.uuid, exp, ted->ted_grant);
+ if (tgd->tgd_tot_granted < ted->ted_grant) {
+ CERROR("%s: tot_granted %llu < cli %s/%p ted_grant %ld\n",
+ obd->obd_name, tgd->tgd_tot_granted,
+ exp->exp_client_uuid.uuid, exp, ted->ted_grant);
+ }
tgd->tgd_tot_granted -= ted->ted_grant;
ted->ted_grant = 0;
- LASSERTF(tgd->tgd_tot_pending >= ted->ted_pending,
- "%s: tot_pending %llu cli %s/%p ted_pending %ld\n",
- obd->obd_name, tgd->tgd_tot_pending,
- exp->exp_client_uuid.uuid, exp, ted->ted_pending);
+ if (tgd->tgd_tot_pending < ted->ted_pending) {
+ CERROR("%s: tot_pending %llu < cli %s/%p ted_pending %ld\n",
+ obd->obd_name, tgd->tgd_tot_pending,
+ exp->exp_client_uuid.uuid, exp, ted->ted_pending);
+ }
/* tgd_tot_pending is handled in tgt_grant_commit as bulk
* commmits */
- LASSERTF(tgd->tgd_tot_dirty >= ted->ted_dirty,
- "%s: tot_dirty %llu cli %s/%p ted_dirty %ld\n",
- obd->obd_name, tgd->tgd_tot_dirty,
- exp->exp_client_uuid.uuid, exp, ted->ted_dirty);
+ if (tgd->tgd_tot_dirty < ted->ted_dirty) {
+ CERROR("%s: tot_dirty %llu < cli %s/%p ted_dirty %ld\n",
+ obd->obd_name, tgd->tgd_tot_dirty,
+ exp->exp_client_uuid.uuid, exp, ted->ted_dirty);
+ }
tgd->tgd_tot_dirty -= ted->ted_dirty;
ted->ted_dirty = 0;
spin_unlock(&tgd->tgd_grant_lock);
/**
* Show estimate of total amount of dirty data on clients.
*
- * \param[in] m seq_file handle
- * \param[in] data unused for single entry
+ * @kobj kobject embedded in obd_device
+ * @attr unused
+ * @buf buf used by sysfs to print out data
*
- * \retval 0 on success
- * \retval negative value on error
+ * Return: 0 on success
+ * negative value on error
*/
-int tgt_tot_dirty_seq_show(struct seq_file *m, void *data)
+ssize_t tot_dirty_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- struct obd_device *obd = m->private;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
struct tg_grants_data *tgd;
- LASSERT(obd != NULL);
tgd = &obd->u.obt.obt_lut->lut_tgd;
- seq_printf(m, "%llu\n", tgd->tgd_tot_dirty);
- return 0;
+ return scnprintf(buf, PAGE_SIZE, "%llu\n", tgd->tgd_tot_dirty);
}
-EXPORT_SYMBOL(tgt_tot_dirty_seq_show);
+EXPORT_SYMBOL(tot_dirty_show);
/**
* Show total amount of space granted to clients.
*
- * \param[in] m seq_file handle
- * \param[in] data unused for single entry
+ * @kobj kobject embedded in obd_device
+ * @attr unused
+ * @buf buf used by sysfs to print out data
*
- * \retval 0 on success
- * \retval negative value on error
+ * Return: 0 on success
+ * negative value on error
*/
-int tgt_tot_granted_seq_show(struct seq_file *m, void *data)
+ssize_t tot_granted_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- struct obd_device *obd = m->private;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
struct tg_grants_data *tgd;
- LASSERT(obd != NULL);
tgd = &obd->u.obt.obt_lut->lut_tgd;
- seq_printf(m, "%llu\n", tgd->tgd_tot_granted);
- return 0;
+ return scnprintf(buf, PAGE_SIZE, "%llu\n", tgd->tgd_tot_granted);
}
-EXPORT_SYMBOL(tgt_tot_granted_seq_show);
+EXPORT_SYMBOL(tot_granted_show);
/**
* Show total amount of space used by IO in progress.
*
- * \param[in] m seq_file handle
- * \param[in] data unused for single entry
+ * @kobj kobject embedded in obd_device
+ * @attr unused
+ * @buf buf used by sysfs to print out data
*
- * \retval 0 on success
- * \retval negative value on error
+ * Return: 0 on success
+ * negative value on error
*/
-int tgt_tot_pending_seq_show(struct seq_file *m, void *data)
+ssize_t tot_pending_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- struct obd_device *obd = m->private;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
struct tg_grants_data *tgd;
- LASSERT(obd != NULL);
tgd = &obd->u.obt.obt_lut->lut_tgd;
- seq_printf(m, "%llu\n", tgd->tgd_tot_pending);
- return 0;
+ return scnprintf(buf, PAGE_SIZE, "%llu\n", tgd->tgd_tot_pending);
}
-EXPORT_SYMBOL(tgt_tot_pending_seq_show);
+EXPORT_SYMBOL(tot_pending_show);
/**
* Show if grants compatibility mode is disabled.
* block, (i.e. typically 4kB units), but underlaying file system might have
* block size bigger than page size, e.g. ZFS. See LU-2049 for details.
*
- * \param[in] m seq_file handle
- * \param[in] data unused for single entry
+ * @kobj kobject embedded in obd_device
+ * @attr unused
+ * @buf buf used by sysfs to print out data
*
- * \retval 0 on success
- * \retval negative value on error
+ * Return: string length of @buf output on success
*/
-int tgt_grant_compat_disable_seq_show(struct seq_file *m, void *data)
+ssize_t grant_compat_disable_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- struct obd_device *obd = m->private;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
struct tg_grants_data *tgd = &obd->u.obt.obt_lut->lut_tgd;
- seq_printf(m, "%u\n", tgd->tgd_grant_compat_disable);
- return 0;
+ return scnprintf(buf, PAGE_SIZE, "%u\n", tgd->tgd_grant_compat_disable);
}
-EXPORT_SYMBOL(tgt_grant_compat_disable_seq_show);
+EXPORT_SYMBOL(grant_compat_disable_show);
/**
* Change grant compatibility mode.
* Setting tgd_grant_compat_disable prohibit any space granting to clients
* not supporting OBD_CONNECT_GRANT_PARAM. See details above.
*
- * \param[in] file proc file
- * \param[in] buffer string which represents mode
- * 1: disable compatibility mode
- * 0: enable compatibility mode
- * \param[in] count \a buffer length
- * \param[in] off unused for single entry
+ * @kobj kobject embedded in obd_device
+ * @attr unused
+ * @buffer string which represents mode
+ * 1: disable compatibility mode
+ * 0: enable compatibility mode
+ * @count @buffer length
*
- * \retval \a count on success
- * \retval negative number on error
+ * Return: @count on success
+ * negative number on error
*/
-ssize_t tgt_grant_compat_disable_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+ssize_t grant_compat_disable_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count)
{
- struct seq_file *m = file->private_data;
- struct obd_device *obd = m->private;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
struct tg_grants_data *tgd = &obd->u.obt.obt_lut->lut_tgd;
bool val;
int rc;
- rc = kstrtobool_from_user(buffer, count, &val);
+ rc = kstrtobool(buffer, &val);
if (rc)
return rc;
return count;
}
-EXPORT_SYMBOL(tgt_grant_compat_disable_seq_write);
+EXPORT_SYMBOL(grant_compat_disable_store);