*/
/*
* (C) Copyright 2012 Commissariat a l'energie atomique et aux energies
+ *
+ * Copyright (c) 2016, 2017, Intel Corporation.
* alternatives
*
*/
#include <obd.h>
#include <obd_support.h>
#include <lustre_export.h>
-#include <lustre/lustre_user.h>
#include <lprocfs_status.h>
#include <lustre_kernelcomm.h>
#include "mdt_internal.h"
if (ha != NULL)
OBD_FREE_PTR(ha);
out:
+ /* wake the coordinator to potentially schedule requests */
+ if (rc == -EEXIST || rc == 0)
+ mdt_hsm_cdt_event(cdt);
+
return rc;
}
int mdt_hsm_send_action_to_each_archive(struct mdt_thread_info *mti,
struct hsm_action_item *hai)
{
- __u64 compound_id;
struct hsm_agent *ha;
__u32 archive_mask = 0;
struct coordinator *cdt = &mti->mti_mdt->mdt_coordinator;
continue;
archive_mask |= (1 << ha->ha_archive_id[i]);
- /* XXX: instead of creating one request record per
- * new action, it could make sense to gather
- * all for the same archive_id as one compound
- * request/id, like in mdt_hsm_add_actions() ?? */
- compound_id = atomic_inc_return(&cdt->cdt_compound_id);
+ /* XXX: it could make sense to gather all
+ * actions for the same archive_id like in
+ * mdt_hsm_add_actions() ?? */
rc = mdt_agent_record_add(mti->mti_env, mti->mti_mdt,
- compound_id,
ha->ha_archive_id[i], 0,
hai);
if (rc) {
}
/**
- * send a compound request to the agent
+ * send a HAL to the agent
* \param mti [IN] context
* \param hal [IN] request (can be a kuc payload)
* \param purge [IN] purge mode (no record)
hai = hai_first(hal);
for (i = 0; i < hal->hal_count; i++,
hai = hai_next(hai)) {
+ struct hsm_record_update update;
+
/* only removes are concerned */
if (hai->hai_action != HSMA_REMOVE) {
/* count if other actions than HSMA_REMOVE,
* XXX: this should only cause duplicates to be sent,
* unless a method to record already successfully
* reached archive_ids is implemented */
+
+ update.cookie = hai->hai_cookie;
+ update.status = ARS_SUCCEED;
rc2 = mdt_agent_record_update(mti->mti_env, mdt,
- &hai->hai_cookie,
- 1, ARS_SUCCEED);
+ &update, 1);
if (rc2) {
CERROR("%s: mdt_agent_record_update() "
"failed, cannot update "
fail_request = false;
hai = hai_first(hal);
for (i = 0; i < hal->hal_count; i++, hai = hai_next(hai)) {
- if (hai->hai_action != HSMA_CANCEL) {
- struct mdt_object *obj;
- struct md_hsm hsm;
+ struct mdt_object *obj;
+ struct md_hsm hsm;
- obj = mdt_hsm_get_md_hsm(mti, &hai->hai_fid, &hsm);
- if (!IS_ERR(obj) && obj != NULL) {
- mdt_object_put(mti->mti_env, obj);
- } else {
- if (hai->hai_action == HSMA_REMOVE)
- continue;
-
- if (obj == NULL) {
- fail_request = true;
- rc = mdt_agent_record_update(
- mti->mti_env, mdt,
- &hai->hai_cookie,
- 1, ARS_FAILED);
- if (rc) {
- CERROR(
- "%s: mdt_agent_record_update() "
- "failed, cannot update "
- "status to %s for cookie "
- "%#llx: rc = %d\n",
- mdt_obd_name(mdt),
- agent_req_status2name(ARS_FAILED),
- hai->hai_cookie, rc);
- GOTO(out_buf, rc);
- }
- continue;
- }
- GOTO(out_buf, rc = PTR_ERR(obj));
+ if (hai->hai_action == HSMA_CANCEL)
+ continue;
+
+ obj = mdt_hsm_get_md_hsm(mti, &hai->hai_fid, &hsm);
+ if (!IS_ERR(obj)) {
+ mdt_object_put(mti->mti_env, obj);
+ } else if (PTR_ERR(obj) == -ENOENT) {
+ struct hsm_record_update update = {
+ .cookie = hai->hai_cookie,
+ .status = ARS_FAILED,
+ };
+
+ if (hai->hai_action == HSMA_REMOVE)
+ continue;
+
+ fail_request = true;
+ rc = mdt_agent_record_update(mti->mti_env, mdt,
+ &update, 1);
+ if (rc < 0) {
+ CERROR("%s: mdt_agent_record_update() failed, "
+ "cannot update status to %s for cookie "
+ "%#llx: rc = %d\n",
+ mdt_obd_name(mdt),
+ agent_req_status2name(ARS_FAILED),
+ hai->hai_cookie, rc);
+ GOTO(out_buf, rc);
}
- if (!mdt_hsm_is_action_compat(hai, hal->hal_archive_id,
- hal->hal_flags, &hsm)) {
- /* incompatible request, we abort the request */
- /* next time coordinator will wake up, it will
- * make the same compound with valid only
- * records */
- fail_request = true;
- rc = mdt_agent_record_update(mti->mti_env, mdt,
- &hai->hai_cookie,
- 1, ARS_FAILED);
- if (rc) {
- CERROR("%s: mdt_agent_record_update() "
- "failed, cannot update "
- "status to %s for cookie "
- "%#llx: rc = %d\n",
- mdt_obd_name(mdt),
- agent_req_status2name(ARS_FAILED),
- hai->hai_cookie, rc);
- GOTO(out_buf, rc);
- }
-
- /* if restore and record status updated, give
- * back granted layout lock */
- if (hai->hai_action == HSMA_RESTORE) {
- struct cdt_restore_handle *crh = NULL;
- struct mdt_object *obj = NULL;
-
- mutex_lock(&cdt->cdt_restore_lock);
- crh = mdt_hsm_restore_hdl_find(cdt,
- &hai->hai_fid);
- if (crh != NULL)
- list_del(&crh->crh_list);
- mutex_unlock(&cdt->cdt_restore_lock);
- obj = mdt_object_find(mti->mti_env,
- mti->mti_mdt,
- &hai->hai_fid);
- if (!IS_ERR(obj) && crh != NULL)
- mdt_object_unlock(mti, obj,
- &crh->crh_lh,
- 1);
- if (crh != NULL)
- OBD_SLAB_FREE_PTR(crh,
- mdt_hsm_cdt_kmem);
- if (!IS_ERR(obj))
- mdt_object_put(mti->mti_env,
- obj);
- }
+ continue;
+ } else {
+ GOTO(out_buf, rc = PTR_ERR(obj));
+ }
+
+ if (!mdt_hsm_is_action_compat(hai, hal->hal_archive_id,
+ hal->hal_flags, &hsm)) {
+ struct hsm_record_update update = {
+ .cookie = hai->hai_cookie,
+ .status = ARS_FAILED,
+ };
+
+ /* incompatible request, we abort the request */
+ /* next time coordinator will wake up, it will
+ * make the same HAL with valid only
+ * records */
+ fail_request = true;
+ rc = mdt_agent_record_update(mti->mti_env, mdt,
+ &update, 1);
+ if (rc) {
+ CERROR("%s: mdt_agent_record_update() failed, "
+ "cannot update status to %s for cookie "
+ "%#llx: rc = %d\n",
+ mdt_obd_name(mdt),
+ agent_req_status2name(ARS_FAILED),
+ hai->hai_cookie, rc);
+ GOTO(out_buf, rc);
}
+
+ /* if restore and record status updated, give
+ * back granted layout lock */
+ if (hai->hai_action == HSMA_RESTORE)
+ cdt_restore_handle_del(mti, cdt, &hai->hai_fid);
}
}
- /* we found incompatible requests, so the compound cannot be send
+ /* we found incompatible requests, so the HAL cannot be sent
* as is. Bad records have been invalidated in llog.
* Valid one will be reschedule next time coordinator will wake up
- * So no need the rebuild a full valid compound request now
+ * So no need the rebuild a full valid HAL now
*/
if (fail_request)
GOTO(out_buf, rc = 0);
* the ldlm_callback_handler. Note this sends a request RPC
* from a server (MDT) to a client (MDC), backwards of normal comms.
*/
- exp = cfs_hash_lookup(mdt2obd_dev(mdt)->obd_uuid_hash, &uuid);
+ exp = obd_uuid_lookup(mdt2obd_dev(mdt), &uuid);
if (exp == NULL || exp->exp_disconnected) {
if (exp != NULL)
class_export_put(exp);
}
/**
- * update status of a request
- * \param mti [IN]
- * \param pgs [IN] progress of the copy tool
- * \retval 0 success
- * \retval -ve failure
+ * seq_file method called to start access to debugfs file
*/
-int mdt_hsm_coordinator_update(struct mdt_thread_info *mti,
- struct hsm_progress_kernel *pgs)
-{
- int rc;
-
- ENTRY;
- /* ask to coordinator to update request state and
- * to record on disk the result */
- rc = mdt_hsm_update_request_state(mti, pgs, 1);
- RETURN(rc);
-}
-
-/**
- * seq_file method called to start access to /proc file
- */
-static void *mdt_hsm_agent_proc_start(struct seq_file *s, loff_t *off)
+static void *mdt_hsm_agent_debugfs_start(struct seq_file *s, loff_t *off)
{
struct mdt_device *mdt = s->private;
struct coordinator *cdt = &mdt->mdt_coordinator;
* seq_file method called to get next item
* just returns NULL at eof
*/
-static void *mdt_hsm_agent_proc_next(struct seq_file *s, void *v, loff_t *p)
+static void *mdt_hsm_agent_debugfs_next(struct seq_file *s, void *v, loff_t *p)
{
struct mdt_device *mdt = s->private;
struct coordinator *cdt = &mdt->mdt_coordinator;
/**
*/
-static int mdt_hsm_agent_proc_show(struct seq_file *s, void *v)
+static int mdt_hsm_agent_debugfs_show(struct seq_file *s, void *v)
{
struct list_head *pos = v;
struct hsm_agent *ha;
}
/**
- * seq_file method called to stop access to /proc file
+ * seq_file method called to stop access to debugfs file
*/
-static void mdt_hsm_agent_proc_stop(struct seq_file *s, void *v)
+static void mdt_hsm_agent_debugfs_stop(struct seq_file *s, void *v)
{
struct mdt_device *mdt = s->private;
struct coordinator *cdt = &mdt->mdt_coordinator;
up_read(&cdt->cdt_agent_lock);
}
-/* hsm agent list proc functions */
-static const struct seq_operations mdt_hsm_agent_proc_ops = {
- .start = mdt_hsm_agent_proc_start,
- .next = mdt_hsm_agent_proc_next,
- .show = mdt_hsm_agent_proc_show,
- .stop = mdt_hsm_agent_proc_stop,
+/* hsm agent list debugfs functions */
+static const struct seq_operations mdt_hsm_agent_debugfs_ops = {
+ .start = mdt_hsm_agent_debugfs_start,
+ .next = mdt_hsm_agent_debugfs_next,
+ .show = mdt_hsm_agent_debugfs_show,
+ .stop = mdt_hsm_agent_debugfs_stop,
};
/**
- * public function called at open of /proc file to get
+ * public function called at open of debugfs file to get
* list of agents
*/
-static int lprocfs_open_hsm_agent(struct inode *inode, struct file *file)
+static int ldebugfs_open_hsm_agent(struct inode *inode, struct file *file)
{
struct seq_file *s;
int rc;
ENTRY;
- rc = seq_open(file, &mdt_hsm_agent_proc_ops);
+ rc = seq_open(file, &mdt_hsm_agent_debugfs_ops);
if (rc)
RETURN(rc);
s = file->private_data;
- s->private = PDE_DATA(inode);
+ s->private = inode->i_private;
RETURN(rc);
}
/* methods to access hsm agent list */
const struct file_operations mdt_hsm_agent_fops = {
.owner = THIS_MODULE,
- .open = lprocfs_open_hsm_agent,
+ .open = ldebugfs_open_hsm_agent,
.read = seq_read,
.llseek = seq_lseek,
- .release = lprocfs_seq_release,
+ .release = seq_release,
};
-
git://git.whamcloud.com / fs / lustre-release.git / blobdiff