* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2012, Whamcloud, Inc.
+ * Copyright (c) 2011, 2012, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
ma->ma_need = MA_INODE | MA_LOV;
ma->ma_valid = 0;
- cfs_mutex_lock(&o->mot_lov_mutex);
+ mutex_lock(&o->mot_lov_mutex);
if (!(o->mot_flags & MOF_LOV_CREATED)) {
rc = mdo_create_data(info->mti_env,
p ? mdt_object_child(p) : NULL,
if (rc == 0 && ma->ma_valid & MA_LOV)
o->mot_flags |= MOF_LOV_CREATED;
}
- cfs_mutex_unlock(&o->mot_lov_mutex);
+ mutex_unlock(&o->mot_lov_mutex);
RETURN(rc);
}
!S_ISREG(lu_object_attr(&o->mot_obj.mo_lu)))
RETURN(0);
- cfs_mutex_lock(&o->mot_ioepoch_mutex);
- if (mdt_ioepoch_opened(o)) {
- /* Epoch continues even if there is no writers yet. */
- CDEBUG(D_INODE, "continue epoch "LPU64" for "DFID"\n",
- o->mot_ioepoch, PFID(mdt_object_fid(o)));
- } else {
- /* XXX: ->mdt_ioepoch is not initialized at the mount */
- cfs_spin_lock(&mdt->mdt_ioepoch_lock);
+ mutex_lock(&o->mot_ioepoch_mutex);
+ if (mdt_ioepoch_opened(o)) {
+ /* Epoch continues even if there is no writers yet. */
+ CDEBUG(D_INODE, "continue epoch "LPU64" for "DFID"\n",
+ o->mot_ioepoch, PFID(mdt_object_fid(o)));
+ } else {
+ /* XXX: ->mdt_ioepoch is not initialized at the mount */
+ spin_lock(&mdt->mdt_ioepoch_lock);
if (mdt->mdt_ioepoch < info->mti_replayepoch)
mdt->mdt_ioepoch = info->mti_replayepoch;
else
o->mot_ioepoch = mdt->mdt_ioepoch;
- cfs_spin_unlock(&mdt->mdt_ioepoch_lock);
+ spin_unlock(&mdt->mdt_ioepoch_lock);
- CDEBUG(D_INODE, "starting epoch "LPU64" for "DFID"\n",
- o->mot_ioepoch, PFID(mdt_object_fid(o)));
- if (created)
- o->mot_flags |= MOF_SOM_CREATED;
- cancel = 1;
- }
- o->mot_ioepoch_count++;
- cfs_mutex_unlock(&o->mot_ioepoch_mutex);
+ CDEBUG(D_INODE, "starting epoch "LPU64" for "DFID"\n",
+ o->mot_ioepoch, PFID(mdt_object_fid(o)));
+ if (created)
+ o->mot_flags |= MOF_SOM_CREATED;
+ cancel = 1;
+ }
+ o->mot_ioepoch_count++;
+ mutex_unlock(&o->mot_ioepoch_mutex);
/* Cancel Size-on-MDS attributes cached on clients for the open case.
* In the truncate case, see mdt_reint_setattr(). */
/**
* Update SOM on-disk attributes.
* If enabling, write update inodes and lustre-ea with the proper IOEpoch,
- * mountid and attributes. If disabling, zero IOEpoch id in lustre-ea.
+ * mountid and attributes. If disabling, clean SOM xattr.
* Call under ->mot_ioepoch_mutex.
*/
static int mdt_som_attr_set(struct mdt_thread_info *info,
- struct mdt_object *obj, __u64 ioepoch, int enable)
+ struct mdt_object *obj, __u64 ioepoch, bool enable)
{
- struct lustre_mdt_attrs *lma;
- struct md_attr *ma = &info->mti_attr;
- struct lu_buf *buf = &info->mti_buf;
struct md_object *next = mdt_object_child(obj);
- struct mdt_device *mdt = info->mti_mdt;
- struct lu_attr *la = &ma->ma_attr;
int rc;
ENTRY;
" on "DFID".\n", enable ? "update" : "disabling",
ioepoch, PFID(mdt_object_fid(obj)));
- lma = (struct lustre_mdt_attrs *) info->mti_xattr_buf;
- CLASSERT(sizeof(info->mti_xattr_buf) >= sizeof(*lma));
-
- buf->lb_buf = lma;
- buf->lb_len = sizeof(info->mti_xattr_buf);
- rc = mo_xattr_get(info->mti_env, next, buf, XATTR_NAME_LMA);
- if (rc > 0) {
- lustre_lma_swab(lma);
- } else if (rc == -ENODATA) {
- memset(lma, 0, sizeof(*lma));
+ if (enable) {
+ struct lu_buf *buf = &info->mti_buf;
+ struct som_attrs *attrs;
+ struct md_attr *ma = &info->mti_attr;
+ struct lu_attr *la = &ma->ma_attr;
+ struct obd_device *obd = info->mti_mdt->mdt_lut.lut_obd;
+
+ attrs = (struct som_attrs *)info->mti_xattr_buf;
+ CLASSERT(sizeof(info->mti_xattr_buf) >= sizeof(*attrs));
+
+ /* pack SOM attributes */
+ memset(attrs, 0, sizeof(*attrs));
+ attrs->som_ioepoch = ioepoch;
+ attrs->som_mountid = obd->u.obt.obt_mount_count;
+ if ((la->la_valid & LA_SIZE) != 0)
+ attrs->som_size = la->la_size;
+ if ((la->la_valid & LA_BLOCKS) != 0)
+ attrs->som_blocks = la->la_blocks;
+ lustre_som_swab(attrs);
+
+ /* update SOM attributes */
+ buf->lb_buf = attrs;
+ buf->lb_len = sizeof(*attrs);
+ rc = mo_xattr_set(info->mti_env, next, buf, XATTR_NAME_SOM, 0);
} else {
- RETURN(rc);
+ /* delete SOM attributes */
+ rc = mo_xattr_del(info->mti_env, next, XATTR_NAME_SOM);
}
- /* Copy FID */
- memcpy(&lma->lma_self_fid, mdt_object_fid(obj), sizeof(lma->lma_self_fid));
-
- /* Copy SOM data */
- lma->lma_ioepoch = ioepoch;
- lma->lma_som_size = la->la_valid & LA_SIZE ? la->la_size : 0;
- lma->lma_som_blocks = la->la_valid & LA_BLOCKS ? la->la_blocks : 0;
- lma->lma_som_mountid = mdt->mdt_lut.lut_obd->u.obt.obt_mount_count;
- if (enable)
- lma->lma_compat |= LMAC_SOM;
- else
- lma->lma_compat &= ~LMAC_SOM;
-
- rc = mo_xattr_set(info->mti_env, next, buf, XATTR_NAME_LMA, 0);
-
RETURN(rc);
}
{
int rc = 0;
- cfs_mutex_lock(&o->mot_ioepoch_mutex);
+ mutex_lock(&o->mot_ioepoch_mutex);
CDEBUG(D_INODE, "Eviction. Closing IOepoch "LPU64" on "DFID". "
"Count %d\n", o->mot_ioepoch, PFID(mdt_object_fid(o)),
o->mot_ioepoch_count);
rc = mdt_som_attr_set(info, o, o->mot_ioepoch, MDT_SOM_DISABLE);
mdt_object_som_enable(o, o->mot_ioepoch);
}
- cfs_mutex_unlock(&o->mot_ioepoch_mutex);
+ mutex_unlock(&o->mot_ioepoch_mutex);
RETURN(rc);
}
int rc = MDT_IOEPOCH_CLOSED;
ENTRY;
- cfs_mutex_lock(&o->mot_ioepoch_mutex);
+ mutex_lock(&o->mot_ioepoch_mutex);
CDEBUG(D_INODE, "Replay. Closing epoch "LPU64" on "DFID". Count %d\n",
o->mot_ioepoch, PFID(mdt_object_fid(o)), o->mot_ioepoch_count);
o->mot_ioepoch_count--;
if (!mdt_ioepoch_opened(o))
mdt_object_som_enable(o, info->mti_ioepoch->ioepoch);
- cfs_mutex_unlock(&o->mot_ioepoch_mutex);
+ mutex_unlock(&o->mot_ioepoch_mutex);
RETURN(rc);
}
la = &info->mti_attr.ma_attr;
achange = (info->mti_ioepoch->flags & MF_SOM_CHANGE);
- cfs_mutex_lock(&o->mot_ioepoch_mutex);
+ mutex_lock(&o->mot_ioepoch_mutex);
o->mot_ioepoch_count--;
tmp_ma = &info->mti_u.som.attr;
mdt_object_som_enable(o, o->mot_ioepoch);
}
- cfs_mutex_unlock(&o->mot_ioepoch_mutex);
+ mutex_unlock(&o->mot_ioepoch_mutex);
/* If recovery is needed, tell the client to perform GETATTR under
* the lock. */
if (ret == MDT_IOEPOCH_GETATTR && recovery) {
RETURN(rc ? : ret);
error_up:
- cfs_mutex_unlock(&o->mot_ioepoch_mutex);
+ mutex_unlock(&o->mot_ioepoch_mutex);
return rc;
}
!(info->mti_attr.ma_attr.la_valid & LA_SIZE)))
act = MDT_SOM_DISABLE;
- cfs_mutex_lock(&o->mot_ioepoch_mutex);
+ mutex_lock(&o->mot_ioepoch_mutex);
/* Mark the object it is the recovery state if we failed to obtain
* SOM attributes. */
if (act == MDT_SOM_DISABLE)
rc = mdt_som_attr_set(info, o, ioepoch, act);
mdt_object_som_enable(o, ioepoch);
}
- cfs_mutex_unlock(&o->mot_ioepoch_mutex);
+ mutex_unlock(&o->mot_ioepoch_mutex);
RETURN(rc);
}
{
int rc = 0;
ENTRY;
- cfs_mutex_lock(&o->mot_ioepoch_mutex);
+ mutex_lock(&o->mot_ioepoch_mutex);
rc = o->mot_writecount;
- cfs_mutex_unlock(&o->mot_ioepoch_mutex);
+ mutex_unlock(&o->mot_ioepoch_mutex);
RETURN(rc);
}
{
int rc = 0;
ENTRY;
- cfs_mutex_lock(&o->mot_ioepoch_mutex);
+ mutex_lock(&o->mot_ioepoch_mutex);
if (o->mot_writecount < 0)
rc = -ETXTBSY;
else
o->mot_writecount++;
- cfs_mutex_unlock(&o->mot_ioepoch_mutex);
+ mutex_unlock(&o->mot_ioepoch_mutex);
RETURN(rc);
}
void mdt_write_put(struct mdt_object *o)
{
ENTRY;
- cfs_mutex_lock(&o->mot_ioepoch_mutex);
+ mutex_lock(&o->mot_ioepoch_mutex);
o->mot_writecount--;
- cfs_mutex_unlock(&o->mot_ioepoch_mutex);
+ mutex_unlock(&o->mot_ioepoch_mutex);
EXIT;
}
{
int rc = 0;
ENTRY;
- cfs_mutex_lock(&o->mot_ioepoch_mutex);
+ mutex_lock(&o->mot_ioepoch_mutex);
if (o->mot_writecount > 0)
rc = -ETXTBSY;
else
o->mot_writecount--;
- cfs_mutex_unlock(&o->mot_ioepoch_mutex);
+ mutex_unlock(&o->mot_ioepoch_mutex);
RETURN(rc);
}
static void mdt_write_allow(struct mdt_object *o)
{
ENTRY;
- cfs_mutex_lock(&o->mot_ioepoch_mutex);
+ mutex_lock(&o->mot_ioepoch_mutex);
o->mot_writecount++;
- cfs_mutex_unlock(&o->mot_ioepoch_mutex);
+ mutex_unlock(&o->mot_ioepoch_mutex);
EXIT;
}
if (lustre_msg_get_transno(req->rq_repmsg) != 0)
RETURN_EXIT;
- cfs_spin_lock(&mdt->mdt_lut.lut_translock);
+ spin_lock(&mdt->mdt_lut.lut_translock);
if (rc != 0) {
if (info->mti_transno != 0) {
struct obd_export *exp = req->rq_export;
RETURN_EXIT;
}
} else if (info->mti_transno == 0) {
- info->mti_transno = ++ mdt->mdt_lut.lut_last_transno;
- } else {
- /* should be replay */
- if (info->mti_transno > mdt->mdt_lut.lut_last_transno)
- mdt->mdt_lut.lut_last_transno = info->mti_transno;
+ info->mti_transno = ++mdt->mdt_lut.lut_last_transno;
+ } else {
+ /* should be replay */
+ if (info->mti_transno > mdt->mdt_lut.lut_last_transno)
+ mdt->mdt_lut.lut_last_transno = info->mti_transno;
}
- cfs_spin_unlock(&mdt->mdt_lut.lut_translock);
+ spin_unlock(&mdt->mdt_lut.lut_translock);
CDEBUG(D_INODE, "transno = "LPU64", last_committed = "LPU64"\n",
info->mti_transno,
/* update lcd in memory only for resent cases */
ted = &req->rq_export->exp_target_data;
LASSERT(ted);
- cfs_mutex_lock(&ted->ted_lcd_lock);
+ mutex_lock(&ted->ted_lcd_lock);
lcd = ted->ted_lcd;
if (info->mti_transno < lcd->lcd_last_transno &&
info->mti_transno != 0) {
* last rcvd info if replay req transno < last transno,
* otherwise the following resend(after replay) can not
* be checked correctly by xid */
- cfs_mutex_unlock(&ted->ted_lcd_lock);
+ mutex_unlock(&ted->ted_lcd_lock);
CDEBUG(D_HA, "%s: transno = "LPU64" < last_transno = "LPU64"\n",
mdt->mdt_md_dev.md_lu_dev.ld_obd->obd_name,
info->mti_transno, lcd->lcd_last_transno);
lcd->lcd_last_result = rc;
lcd->lcd_last_data = info->mti_opdata;
}
- cfs_mutex_unlock(&ted->ted_lcd_lock);
+ mutex_unlock(&ted->ted_lcd_lock);
EXIT;
}
"cookie=" LPX64"\n", mfd,
PFID(mdt_object_fid(mfd->mfd_object)),
info->mti_rr.rr_handle->cookie);
- cfs_spin_lock(&med->med_open_lock);
- class_handle_unhash(&old_mfd->mfd_handle);
- cfs_list_del_init(&old_mfd->mfd_list);
- cfs_spin_unlock(&med->med_open_lock);
+ spin_lock(&med->med_open_lock);
+ class_handle_unhash(&old_mfd->mfd_handle);
+ cfs_list_del_init(&old_mfd->mfd_list);
+ spin_unlock(&med->med_open_lock);
/* no attr update for that close */
la->la_valid = 0;
ma->ma_valid |= MA_FLAGS;
repbody->handle.cookie = mfd->mfd_handle.h_cookie;
if (req->rq_export->exp_disconnected) {
- cfs_spin_lock(&med->med_open_lock);
- class_handle_unhash(&mfd->mfd_handle);
- cfs_list_del_init(&mfd->mfd_list);
- cfs_spin_unlock(&med->med_open_lock);
- mdt_mfd_close(info, mfd);
- } else {
- cfs_spin_lock(&med->med_open_lock);
- cfs_list_add(&mfd->mfd_list, &med->med_open_head);
- cfs_spin_unlock(&med->med_open_lock);
+ spin_lock(&med->med_open_lock);
+ class_handle_unhash(&mfd->mfd_handle);
+ cfs_list_del_init(&mfd->mfd_list);
+ spin_unlock(&med->med_open_lock);
+ mdt_mfd_close(info, mfd);
+ } else {
+ spin_lock(&med->med_open_lock);
+ cfs_list_add(&mfd->mfd_list, &med->med_open_head);
+ spin_unlock(&med->med_open_lock);
}
mdt_empty_transno(info, rc);
RETURN(0);
}
- mdt_set_disposition(info, rep, DISP_OPEN_OPEN);
-
/*
* We need to return the existing object's fid back, so it is done here,
* after preparing the reply.
mfd = NULL;
if (lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT) {
- cfs_spin_lock(&med->med_open_lock);
- cfs_list_for_each(t, &med->med_open_head) {
- mfd = cfs_list_entry(t, struct mdt_file_data, mfd_list);
- if (mfd->mfd_xid == req->rq_xid) {
- break;
- }
- mfd = NULL;
- }
- cfs_spin_unlock(&med->med_open_lock);
+ spin_lock(&med->med_open_lock);
+ cfs_list_for_each(t, &med->med_open_head) {
+ mfd = cfs_list_entry(t, struct mdt_file_data, mfd_list);
+ if (mfd->mfd_xid == req->rq_xid)
+ break;
+ mfd = NULL;
+ }
+ spin_unlock(&med->med_open_lock);
if (mfd != NULL) {
repbody->handle.cookie = mfd->mfd_handle.h_cookie;
else
repbody->valid |= OBD_MD_FLEASIZE;
}
+ mdt_set_disposition(info, rep, DISP_OPEN_OPEN);
RETURN(0);
}
}
rc = mdt_mfd_open(info, p, o, flags, created);
+ if (!rc)
+ mdt_set_disposition(info, rep, DISP_OPEN_OPEN);
+
RETURN(rc);
}
GOTO(out, rc);
}
mdt_set_disposition(info, rep, (DISP_IT_EXECD |
- DISP_LOOKUP_EXECD |
- DISP_LOOKUP_POS));
+ DISP_LOOKUP_EXECD));
if (flags & FMODE_WRITE)
lm = LCK_CW;
}
}
- if (flags & MDS_OPEN_LOCK)
- mdt_set_disposition(info, rep, DISP_OPEN_LOCK);
rc = mdt_finish_open(info, parent, o, flags, 0, rep);
if (!(flags & MDS_OPEN_LOCK) || rc)
mdt_object_unlock(info, o, lhc, 1);
+ if (!rc) {
+ mdt_set_disposition(info, rep, DISP_LOOKUP_POS);
+ if (flags & MDS_OPEN_LOCK)
+ mdt_set_disposition(info, rep, DISP_OPEN_LOCK);
+ }
+
GOTO(out, rc);
out:
mdt_object_put(env, o);
created, ldlm_rep);
if (rc) {
result = rc;
- if (lustre_handle_is_used(&lhc->mlh_reg_lh))
+ if (lustre_handle_is_used(&lhc->mlh_reg_lh)) {
/* openlock was acquired and mdt_finish_open failed -
drop the openlock */
mdt_object_unlock(info, child, lhc, 1);
+ mdt_clear_disposition(info, ldlm_rep, DISP_OPEN_LOCK);
+ }
if (created) {
ma->ma_need = 0;
ma->ma_valid = 0;
&info->mti_attr);
if (rc != 0)
CERROR("Error in cleanup of open\n");
+ mdt_clear_disposition(info, ldlm_rep, DISP_OPEN_CREATE);
}
}
EXIT;
LASSERT(mdt_info_req(info));
med = &mdt_info_req(info)->rq_export->exp_mdt_data;
- cfs_spin_lock(&med->med_open_lock);
- cfs_list_add(&mfd->mfd_list, &med->med_open_head);
- class_handle_hash_back(&mfd->mfd_handle);
- cfs_spin_unlock(&med->med_open_lock);
+ spin_lock(&med->med_open_lock);
+ cfs_list_add(&mfd->mfd_list, &med->med_open_head);
+ class_handle_hash_back(&mfd->mfd_handle);
+ spin_unlock(&med->med_open_lock);
if (ret == MDT_IOEPOCH_OPENED) {
ret = 0;
mdt_client_compatibility(info);
if (rc == 0)
mdt_fix_reply(info);
+ mdt_exit_ucred(info);
RETURN(lustre_msg_get_status(req->rq_repmsg));
}
}
med = &req->rq_export->exp_mdt_data;
- cfs_spin_lock(&med->med_open_lock);
- mfd = mdt_handle2mfd(info, &info->mti_ioepoch->handle);
- if (mdt_mfd_closed(mfd)) {
- cfs_spin_unlock(&med->med_open_lock);
- CDEBUG(D_INODE, "no handle for file close: fid = "DFID
- ": cookie = "LPX64"\n", PFID(info->mti_rr.rr_fid1),
- info->mti_ioepoch->handle.cookie);
- /** not serious error since bug 3633 */
- rc = -ESTALE;
- } else {
- class_handle_unhash(&mfd->mfd_handle);
- cfs_list_del_init(&mfd->mfd_list);
- cfs_spin_unlock(&med->med_open_lock);
+ spin_lock(&med->med_open_lock);
+ mfd = mdt_handle2mfd(info, &info->mti_ioepoch->handle);
+ if (mdt_mfd_closed(mfd)) {
+ spin_unlock(&med->med_open_lock);
+ CDEBUG(D_INODE, "no handle for file close: fid = "DFID
+ ": cookie = "LPX64"\n", PFID(info->mti_rr.rr_fid1),
+ info->mti_ioepoch->handle.cookie);
+ /** not serious error since bug 3633 */
+ rc = -ESTALE;
+ } else {
+ class_handle_unhash(&mfd->mfd_handle);
+ cfs_list_del_init(&mfd->mfd_list);
+ spin_unlock(&med->med_open_lock);
/* Do not lose object before last unlink. */
o = mfd->mfd_object;
rc = mdt_fix_reply(info);
}
+ mdt_exit_ucred(info);
if (OBD_FAIL_CHECK(OBD_FAIL_MDS_CLOSE_PACK))
RETURN(err_serious(-ENOMEM));
if (rc)
RETURN(err_serious(rc));
- if (mdt_check_resent(info, mdt_reconstruct_generic, NULL))
- RETURN(lustre_msg_get_status(req->rq_repmsg));
+ if (mdt_check_resent(info, mdt_reconstruct_generic, NULL)) {
+ mdt_exit_ucred(info);
+ RETURN(lustre_msg_get_status(req->rq_repmsg));
+ }
med = &info->mti_exp->exp_mdt_data;
- cfs_spin_lock(&med->med_open_lock);
- mfd = mdt_handle2mfd(info, &info->mti_ioepoch->handle);
- if (mfd == NULL) {
- cfs_spin_unlock(&med->med_open_lock);
+ spin_lock(&med->med_open_lock);
+ mfd = mdt_handle2mfd(info, &info->mti_ioepoch->handle);
+ if (mfd == NULL) {
+ spin_unlock(&med->med_open_lock);
CDEBUG(D_INODE, "no handle for done write: fid = "DFID
": cookie = "LPX64" ioepoch = "LPU64"\n",
PFID(info->mti_rr.rr_fid1),
rc = info->mti_ioepoch->flags & MF_SOM_AU ?
-EAGAIN : 0;
mdt_empty_transno(info, rc);
- RETURN(rc);
- }
- RETURN(-ESTALE);
+ } else
+ rc = -ESTALE;
+ GOTO(error_ucred, rc);
}
LASSERT(mfd->mfd_mode == MDS_FMODE_EPOCH ||
mfd->mfd_mode == MDS_FMODE_TRUNC);
class_handle_unhash(&mfd->mfd_handle);
cfs_list_del_init(&mfd->mfd_list);
- cfs_spin_unlock(&med->med_open_lock);
+ spin_unlock(&med->med_open_lock);
/* Set EPOCH CLOSE flag if not set by client. */
info->mti_ioepoch->flags |= MF_EPOCH_CLOSE;
info->mti_attr.ma_lmm_size = info->mti_mdt->mdt_max_mdsize;
OBD_ALLOC_LARGE(info->mti_attr.ma_lmm, info->mti_mdt->mdt_max_mdsize);
- if (info->mti_attr.ma_lmm == NULL)
- RETURN(-ENOMEM);
+ if (info->mti_attr.ma_lmm == NULL)
+ GOTO(error_ucred, rc = -ENOMEM);
rc = mdt_mfd_close(info, mfd);
OBD_FREE_LARGE(info->mti_attr.ma_lmm, info->mti_mdt->mdt_max_mdsize);
mdt_empty_transno(info, rc);
- RETURN(rc);
+error_ucred:
+ mdt_exit_ucred(info);
+ RETURN(rc);
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff