LPROC_SEQ_FOPS_RO(ofd_last_id);
/**
- * Show maximum number of Filter Modification Data (FMD) maintained by OFD.
- *
- * \param[in] m seq_file handle
- * \param[in] data unused for single entry
- *
- * \retval 0 on success
- * \retval negative value on error
- */
-static ssize_t client_cache_count_show(struct kobject *kobj,
- struct attribute *attr,
- char *buf)
-{
- struct obd_device *obd = container_of(kobj, struct obd_device,
- obd_kset.kobj);
- struct lu_target *lut = obd->u.obt.obt_lut;
-
- return sprintf(buf, "%u\n", lut->lut_fmd_max_num);
-}
-
-/**
- * Change number of FMDs maintained by OFD.
- *
- * This defines how large the list of FMDs can be.
- *
- * \param[in] file proc file
- * \param[in] buffer string which represents maximum number
- * \param[in] count \a buffer length
- * \param[in] off unused for single entry
- *
- * \retval \a count on success
- * \retval negative number on error
- */
-static ssize_t client_cache_count_store(struct kobject *kobj,
- struct attribute *attr,
- const char *buffer, size_t count)
-{
- struct obd_device *obd = container_of(kobj, struct obd_device,
- obd_kset.kobj);
- struct lu_target *lut = obd->u.obt.obt_lut;
- int val;
- int rc;
-
- rc = kstrtoint(buffer, 0, &val);
- if (rc)
- return rc;
-
- if (val < 1 || val > 65536)
- return -EINVAL;
-
- lut->lut_fmd_max_num = val;
- return count;
-}
-LUSTRE_RW_ATTR(client_cache_count);
-
-/**
- * Show the maximum age of FMD data in seconds.
- *
- * \param[in] m seq_file handle
- * \param[in] data unused for single entry
- *
- * \retval 0 on success
- * \retval negative value on error
- */
-static ssize_t client_cache_seconds_show(struct kobject *kobj,
- struct attribute *attr,
- char *buf)
-{
- struct obd_device *obd = container_of(kobj, struct obd_device,
- obd_kset.kobj);
- struct lu_target *lut = obd->u.obt.obt_lut;
-
- return sprintf(buf, "%lld\n", lut->lut_fmd_max_age);
-}
-
-/**
- * Set the maximum age of FMD data in seconds.
- *
- * This defines how long FMD data stays in the FMD list.
- *
- * \param[in] file proc file
- * \param[in] buffer string which represents maximum number
- * \param[in] count \a buffer length
- * \param[in] off unused for single entry
- *
- * \retval \a count on success
- * \retval negative number on error
- */
-static ssize_t client_cache_seconds_store(struct kobject *kobj,
- struct attribute *attr,
- const char *buffer, size_t count)
-{
- struct obd_device *obd = container_of(kobj, struct obd_device,
- obd_kset.kobj);
- struct lu_target *lut = obd->u.obt.obt_lut;
- time64_t val;
- int rc;
-
- rc = kstrtoll(buffer, 0, &val);
- if (rc)
- return rc;
-
- if (val < 1 || val > 65536) /* ~ 18 hour max */
- return -EINVAL;
-
- lut->lut_fmd_max_age = val;
- return count;
-}
-LUSTRE_RW_ATTR(client_cache_seconds);
-
-/**
* Show if the OFD is in degraded mode.
*
* Degraded means OFD has a failed drive or is undergoing RAID rebuild.
}
LUSTRE_RW_ATTR(sync_journal);
-/* This must be longer than the longest string below */
-#define SYNC_STATES_MAXLEN 16
-
static int ofd_brw_size_seq_show(struct seq_file *m, void *data)
{
struct obd_device *obd = m->private;
LPROC_SEQ_FOPS(ofd_brw_size);
-static char *sync_on_cancel_states[] = {"never",
- "blocking",
- "always" };
-
-/**
- * Show OFD policy for handling dirty data under a lock being cancelled.
- *
- * \param[in] m seq_file handle
- * \param[in] data unused for single entry
- *
- * \retval 0 on success
- * \retval negative value on error
- */
-static ssize_t sync_lock_cancel_show(struct kobject *kobj,
- struct attribute *attr, char *buf)
-{
- struct obd_device *obd = container_of(kobj, struct obd_device,
- obd_kset.kobj);
- struct lu_target *tgt = obd->u.obt.obt_lut;
-
- return sprintf(buf, "%s\n",
- sync_on_cancel_states[tgt->lut_sync_lock_cancel]);
-}
-
-/**
- * Change OFD policy for handling dirty data under a lock being cancelled.
- *
- * This variable defines what action OFD takes upon lock cancel
- * There are three possible modes:
- * 1) never - never do sync upon lock cancel. This can lead to data
- * inconsistencies if both the OST and client crash while writing a file
- * that is also concurrently being read by another client. In these cases,
- * this may allow the file data to "rewind" to an earlier state.
- * 2) blocking - do sync only if there is blocking lock, e.g. if another
- * client is trying to access this same object
- * 3) always - do sync always
- *
- * \param[in] file proc file
- * \param[in] buffer string which represents policy
- * \param[in] count \a buffer length
- * \param[in] off unused for single entry
- *
- * \retval \a count on success
- * \retval negative number on error
- */
-static ssize_t sync_lock_cancel_store(struct kobject *kobj,
- struct attribute *attr,
- const char *buffer, size_t count)
-{
- struct obd_device *obd = container_of(kobj, struct obd_device,
- obd_kset.kobj);
- struct lu_target *tgt = obd->u.obt.obt_lut;
- int val = -1;
- int i;
-
- if (count == 0 || count >= SYNC_STATES_MAXLEN)
- return -EINVAL;
-
- for (i = 0 ; i < NUM_SYNC_ON_CANCEL_STATES; i++) {
- if (strcmp(buffer, sync_on_cancel_states[i]) == 0) {
- val = i;
- break;
- }
- }
-
- /* Legacy numeric codes */
- if (val == -1) {
- int rc = kstrtoint(buffer, 0, &val);
- if (rc)
- return rc;
- }
-
- if (val < 0 || val > 2)
- return -EINVAL;
-
- spin_lock(&tgt->lut_flags_lock);
- tgt->lut_sync_lock_cancel = val;
- spin_unlock(&tgt->lut_flags_lock);
- return count;
-}
-LUSTRE_RW_ATTR(sync_lock_cancel);
-
/**
* Show the limit of soft sync RPCs.
*
&lustre_attr_seqs_allocated.attr,
&lustre_attr_grant_precreate.attr,
&lustre_attr_precreate_batch.attr,
- &lustre_attr_client_cache_count.attr,
- &lustre_attr_client_cache_seconds.attr,
&lustre_attr_degraded.attr,
&lustre_attr_fstype.attr,
&lustre_attr_sync_journal.attr,
- &lustre_attr_sync_lock_cancel.attr,
&lustre_attr_soft_sync_limit.attr,
&lustre_attr_lfsck_speed_limit.attr,
&lustre_attr_checksum_t10pi_enforce.attr,
RETURN(rc);
}
+ rc = tgt_tunables_init(&ofd->ofd_lut);
+ if (rc) {
+ CERROR("%s: tgt_tunables_init failed: rc = %d\n",
+ obd->obd_name, rc);
+ GOTO(obd_cleanup, rc);
+ }
+
rc = lprocfs_alloc_obd_stats(obd, LPROC_OFD_STATS_LAST);
if (rc) {
CERROR("%s: lprocfs_alloc_obd_stats failed: %d.\n",
obd->obd_name, rc);
- GOTO(obd_cleanup, rc);
+ GOTO(tgt_cleanup, rc);
}
entry = lprocfs_register("exports", obd->obd_proc_entry, NULL, NULL);
obd_free_stats:
lprocfs_free_obd_stats(obd);
+tgt_cleanup:
+ tgt_tunables_fini(&ofd->ofd_lut);
obd_cleanup:
lprocfs_obd_cleanup(obd);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff