# include <linux/module.h>
# include <linux/mm.h>
# include <linux/highmem.h>
-# include <linux/lustre_dlm.h>
+# include <linux/ctype.h>
+# include <linux/init.h>
# if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
# include <linux/workqueue.h>
# include <linux/smp_lock.h>
# include <liblustre.h>
#endif
-#ifndef __CYGWIN__
-# include <linux/ctype.h>
-# include <linux/init.h>
-#else
+#ifdef __CYGWIN__
# include <ctype.h>
#endif
+# include <linux/lustre_dlm.h>
#include <linux/obd_class.h>
#include "osc_internal.h"
oscc = req->rq_async_args.pointer_arg[0];
spin_lock(&oscc->oscc_lock);
+ oscc->oscc_flags &= ~OSCC_FLAG_CREATING;
if (body)
oscc->oscc_last_id = body->oa.o_id;
if (rc == -ENOSPC) {
- DEBUG_REQ(D_INODE, req, "OST out of space, flagging");
oscc->oscc_flags |= OSCC_FLAG_NOSPC;
+ spin_unlock(&oscc->oscc_lock);
+ DEBUG_REQ(D_INODE, req, "OST out of space, flagging");
} else if (rc != 0 && rc != -EIO) {
+ oscc->oscc_flags |= OSCC_FLAG_RECOVERING;
+ spin_unlock(&oscc->oscc_lock);
DEBUG_REQ(D_ERROR, req,
- "unknown rc %d from async create: failing oscc",
- rc);
+ "unknown rc %d from async create: failing oscc", rc);
ptlrpc_fail_import(req->rq_import, req->rq_import_generation);
+ } else {
+ spin_unlock(&oscc->oscc_lock);
}
- oscc->oscc_flags &= ~OSCC_FLAG_CREATING;
- spin_unlock(&oscc->oscc_lock);
- CDEBUG(D_INFO, "preallocated through id "LPU64" (last used "LPU64")\n",
+ CDEBUG(D_HA, "preallocated through id "LPU64" (last used "LPU64")\n",
oscc->oscc_last_id, oscc->oscc_next_id);
wake_up(&oscc->oscc_waitq);
ENTRY;
spin_lock(&oscc->oscc_lock);
- if (oscc->oscc_flags & OSCC_FLAG_CREATING) {
+ if (oscc->oscc_flags & OSCC_FLAG_CREATING ||
+ oscc->oscc_flags & OSCC_FLAG_RECOVERING) {
spin_unlock(&oscc->oscc_lock);
RETURN(0);
}
oscc->oscc_flags |= OSCC_FLAG_CREATING;
spin_unlock(&oscc->oscc_lock);
- request = ptlrpc_prep_req(class_exp2cliimp(oscc->oscc_exp), OST_CREATE,
+ request = ptlrpc_prep_req(oscc->oscc_obd->u.cli.cl_import,
+ LUSTRE_OBD_VERSION, OST_CREATE,
1, &size, NULL);
if (request == NULL) {
spin_lock(&oscc->oscc_lock);
spin_lock(&oscc->oscc_lock);
body->oa.o_id = oscc->oscc_last_id + oscc->oscc_grow_count;
- body->oa.o_valid |= OBD_MD_FLID;
+ /* probably we should take frequence of request into account? -bzzz */
+ if (oscc->oscc_grow_count < oscc->oscc_max_grow_count) {
+ oscc->oscc_grow_count *= 2;
+ if (oscc->oscc_grow_count > oscc->oscc_max_grow_count)
+ oscc->oscc_grow_count = oscc->oscc_max_grow_count;
+ }
+ body->oa.o_gr = oscc->oscc_gr;
+ LASSERT(body->oa.o_gr > 0);
+ body->oa.o_valid |= OBD_MD_FLID | OBD_MD_FLGROUP;
+ spin_unlock(&oscc->oscc_lock);
CDEBUG(D_INFO, "preallocating through id "LPU64" (last used "LPU64")\n",
body->oa.o_id, oscc->oscc_next_id);
- spin_unlock(&oscc->oscc_lock);
request->rq_replen = lustre_msg_size(1, &size);
request->rq_async_args.pointer_arg[0] = oscc;
request->rq_interpret_reply = osc_interpret_create;
- osc_rpcd_add_req(request);
+ ptlrpcd_add_req(request);
RETURN(0);
}
ost_full = (oscc->oscc_flags & OSCC_FLAG_NOSPC);
spin_unlock(&oscc->oscc_lock);
- osc_invalid = class_exp2cliimp(oscc->oscc_exp)->imp_invalid;
+ osc_invalid = oscc->oscc_obd->u.cli.cl_import->imp_invalid;
return have_objs || ost_full || osc_invalid;
}
if (!oscc_has_objects(oscc, 1) && (oscc->oscc_flags & OSCC_FLAG_NOSPC))
rc = -ENOSPC;
- if (class_exp2cliimp(oscc->oscc_exp)->imp_invalid)
+ if (oscc->oscc_obd->u.cli.cl_import->imp_invalid)
rc = -EIO;
RETURN(rc);
}
+int oscc_recovering(struct osc_creator *oscc)
+{
+ int recov = 0;
+
+ spin_lock(&oscc->oscc_lock);
+ recov = oscc->oscc_flags & OSCC_FLAG_RECOVERING;
+ spin_unlock(&oscc->oscc_lock);
+
+ return recov;
+}
+
int osc_create(struct obd_export *exp, struct obdo *oa,
struct lov_stripe_md **ea, struct obd_trans_info *oti)
{
struct lov_stripe_md *lsm;
- struct osc_creator *oscc = &exp->u.eu_osc_data.oed_oscc;
+ struct osc_creator *oscc = &exp->exp_obd->u.cli.cl_oscc;
int try_again = 1, rc = 0;
ENTRY;
LASSERT(oa);
LASSERT(ea);
+ LASSERT(oa->o_valid & OBD_MD_FLGROUP);
+ LASSERT(oa->o_gr > 0);
+
+ if ((oa->o_valid & OBD_MD_FLFLAGS) &&
+ oa->o_flags == OBD_FL_RECREATE_OBJS) {
+ /* Exceptional case where we are trying to repair missing
+ * objects for various groups. We have already validated that
+ * this is a valid group for the file. Don't set oscc->oscc_gr.
+ */
+ RETURN(osc_real_create(exp, oa, ea, oti));
+ }
+
+ LASSERT(oscc->oscc_gr == 0 || oscc->oscc_gr == oa->o_gr);
+ oscc->oscc_gr = oa->o_gr;
- if ((oa->o_valid & OBD_MD_FLGROUP) && (oa->o_gr != 0))
+ if (oa->o_gr == FILTER_GROUP_LLOG || oa->o_gr == FILTER_GROUP_ECHO)
RETURN(osc_real_create(exp, oa, ea, oti));
- lsm = *ea;
- if (lsm == NULL) {
- rc = obd_alloc_memmd(exp, &lsm);
- if (rc < 0)
- RETURN(rc);
- }
+ /* this is the special case where create removes orphans */
+ if ((oa->o_valid & OBD_MD_FLFLAGS) &&
+ oa->o_flags == OBD_FL_DELORPHAN) {
+ spin_lock(&oscc->oscc_lock);
+ if (oscc->oscc_flags & OSCC_FLAG_SYNC_IN_PROGRESS) {
+ spin_unlock(&oscc->oscc_lock);
+ return -EBUSY;
+ }
+ if (!(oscc->oscc_flags & OSCC_FLAG_RECOVERING)) {
+ spin_unlock(&oscc->oscc_lock);
+ return 0;
+ }
+ oscc->oscc_flags |= OSCC_FLAG_SYNC_IN_PROGRESS;
+ spin_unlock(&oscc->oscc_lock);
+ CDEBUG(D_HA, "%s; oscc recovery started\n",
+ exp->exp_obd->obd_name);
+ LASSERT(oscc->oscc_flags & OSCC_FLAG_RECOVERING);
- /* this is the special case where create removes orphans */
- if ((oa->o_valid & OBD_MD_FLFLAGS) &&
- oa->o_flags == OBD_FL_DELORPHAN) {
/* delete from next_id on up */
oa->o_valid |= OBD_MD_FLID;
- oa->o_id = oscc->oscc_next_id;
- if (oa->o_id == 0)
- RETURN(0);
- rc = osc_real_create(oscc->oscc_exp, oa, ea, NULL);
+ oa->o_id = oscc->oscc_next_id - 1;
+
+ CDEBUG(D_HA, "%s: deleting to next_id: "LPU64"\n",
+ exp->exp_obd->obd_name, oa->o_id);
+
+ rc = osc_real_create(exp, oa, ea, NULL);
+ if (oscc->oscc_obd == NULL) {
+ CWARN("the obd for oscc %p has been freed\n", oscc);
+ RETURN(rc);
+ }
spin_lock(&oscc->oscc_lock);
- if (rc == -ENOSPC)
- oscc->oscc_flags |= OSCC_FLAG_NOSPC;
- oscc->oscc_last_id = oa->o_id;
+ oscc->oscc_flags &= ~OSCC_FLAG_SYNC_IN_PROGRESS;
+ if (rc == 0 || rc == -ENOSPC) {
+ if (rc == -ENOSPC)
+ oscc->oscc_flags |= OSCC_FLAG_NOSPC;
+ oscc->oscc_flags &= ~OSCC_FLAG_RECOVERING;
+ oscc->oscc_last_id = oa->o_id;
+
+ CDEBUG(D_HA, "%s: oscc recovery finished: %d\n",
+ exp->exp_obd->obd_name, rc);
+ wake_up(&oscc->oscc_waitq);
+
+ } else {
+ CDEBUG(D_ERROR, "%s: oscc recovery failed: %d\n",
+ exp->exp_obd->obd_name, rc);
+ }
spin_unlock(&oscc->oscc_lock);
- RETURN(rc);
- }
+ RETURN(rc);
+ }
+
+ lsm = *ea;
+ if (lsm == NULL) {
+ rc = obd_alloc_memmd(exp, &lsm);
+ if (rc < 0)
+ RETURN(rc);
+ }
while (try_again) {
+ /* If orphans are being recovered, then we must wait until
+ it is finished before we can continue with create. */
+ if (oscc_recovering(oscc)) {
+ struct l_wait_info lwi;
+
+ CDEBUG(D_HA,"%p: oscc recovery in progress, waiting\n",
+ oscc);
+ lwi = LWI_TIMEOUT(MAX(obd_timeout*HZ/4, 1), NULL, NULL);
+ rc = l_wait_event(oscc->oscc_waitq,
+ !oscc_recovering(oscc), &lwi);
+
+ LASSERT(rc == 0 || rc == -ETIMEDOUT);
+ if (rc == -ETIMEDOUT) {
+ CDEBUG(D_HA,"%p: timeout waiting on recovery\n",
+ oscc);
+ RETURN(rc);
+ }
+ CDEBUG(D_HA, "%s: oscc recovery over, waking up\n",
+ exp->exp_obd->obd_name);
+ }
+
spin_lock(&oscc->oscc_lock);
if (oscc->oscc_last_id >= oscc->oscc_next_id) {
memcpy(oa, &oscc->oscc_oa, sizeof(*oa));
oa->o_id = oscc->oscc_next_id;
+ oa->o_gr = oscc->oscc_gr;
lsm->lsm_object_id = oscc->oscc_next_id;
+ lsm->lsm_object_gr = oscc->oscc_gr;
*ea = lsm;
oscc->oscc_next_id++;
try_again = 0;
}
if (rc == 0)
- CDEBUG(D_INFO, "returning objid "LPU64"\n", lsm->lsm_object_id);
+ CDEBUG(D_HA, "%s: returning objid "LPU64"\n",
+ oscc->oscc_obd->u.cli.cl_import->imp_target_uuid.uuid,
+ lsm->lsm_object_id);
else if (*ea == NULL)
obd_free_memmd(exp, &lsm);
RETURN(rc);
}
-void oscc_init(struct obd_export *exp)
+void oscc_init(struct obd_device *obd)
{
- struct osc_export_data *oed;
+ struct osc_creator *oscc;
- if (exp == NULL)
+ if (obd == NULL)
return;
- oed = &exp->exp_osc_data;
- memset(oed, 0, sizeof(*oed));
- INIT_LIST_HEAD(&oed->oed_oscc.oscc_list);
- init_waitqueue_head(&oed->oed_oscc.oscc_waitq);
- spin_lock_init(&oed->oed_oscc.oscc_lock);
- oed->oed_oscc.oscc_exp = exp;
- oed->oed_oscc.oscc_kick_barrier = 100;
- oed->oed_oscc.oscc_grow_count = 2000;
- oed->oed_oscc.oscc_initial_create_count = 2000;
-
- oed->oed_oscc.oscc_next_id = 2;
- oed->oed_oscc.oscc_last_id = 1;
+ oscc = &obd->u.cli.cl_oscc;
+
+ memset(oscc, 0, sizeof(*oscc));
+ INIT_LIST_HEAD(&oscc->oscc_list);
+ init_waitqueue_head(&oscc->oscc_waitq);
+ spin_lock_init(&oscc->oscc_lock);
+ oscc->oscc_obd = obd;
+ oscc->oscc_kick_barrier = 100;
+ oscc->oscc_grow_count = 36;
+ oscc->oscc_max_grow_count = 2000;
+
+ oscc->oscc_next_id = 2;
+ oscc->oscc_last_id = 1;
+ oscc->oscc_flags |= OSCC_FLAG_RECOVERING;
/* XXX the export handle should give the oscc the last object */
/* oed->oed_oscc.oscc_last_id = exph->....; */
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff