/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Lustre Lite routines to issue a secondary close after writeback
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * Copyright (c) 2001-2003 Cluster File Systems, Inc.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * This file is part of Lustre, http://www.lustre.org.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*
- * Lustre is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * lustre/llite/llite_close.c
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Lustre Lite routines to issue a secondary close after writeback
*/
#include <linux/module.h>
#include <lustre_lite.h>
#include "llite_internal.h"
-/* record that a write is in flight */
-void llap_write_pending(struct inode *inode, struct ll_async_page *llap)
+/** records that a write is in flight */
+void vvp_write_pending(struct ccc_object *club, struct ccc_page *page)
{
- struct ll_inode_info *lli = ll_i2info(inode);
+ struct ll_inode_info *lli = ll_i2info(club->cob_inode);
ENTRY;
spin_lock(&lli->lli_lock);
lli->lli_flags |= LLIF_SOM_DIRTY;
- if (llap && list_empty(&llap->llap_pending_write))
- list_add(&llap->llap_pending_write,
- &lli->lli_pending_write_llaps);
+ if (page != NULL && list_empty(&page->cpg_pending_linkage))
+ list_add(&page->cpg_pending_linkage, &club->cob_pending_list);
spin_unlock(&lli->lli_lock);
EXIT;
}
-/* record that a write has completed */
-int llap_write_complete(struct inode *inode, struct ll_async_page *llap)
+/** records that a write has completed */
+void vvp_write_complete(struct ccc_object *club, struct ccc_page *page)
{
- struct ll_inode_info *lli = ll_i2info(inode);
+ struct ll_inode_info *lli = ll_i2info(club->cob_inode);
int rc = 0;
-
+
ENTRY;
spin_lock(&lli->lli_lock);
- if (llap && !list_empty(&llap->llap_pending_write)) {
- list_del_init(&llap->llap_pending_write);
+ if (page != NULL && !list_empty(&page->cpg_pending_linkage)) {
+ list_del_init(&page->cpg_pending_linkage);
rc = 1;
}
spin_unlock(&lli->lli_lock);
- RETURN(rc);
+ if (rc)
+ ll_queue_done_writing(club->cob_inode, 0);
+ EXIT;
}
-/* Queue DONE_WRITING if
+/** Queues DONE_WRITING if
* - done writing is allowed;
* - inode has no no dirty pages; */
void ll_queue_done_writing(struct inode *inode, unsigned long flags)
if (lli->lli_flags & LLIF_MDS_SIZE_LOCK)
CWARN("ino %lu/%u(flags %lu) som valid it just after "
"recovery\n",
- inode->i_ino, inode->i_generation,
+ inode->i_ino, inode->i_generation,
lli->lli_flags);
/* DONE_WRITING is allowed and inode has no dirty page. */
spin_lock(&lcq->lcq_lock);
spin_unlock(&lli->lli_lock);
}
-/* Close epoch and send Size-on-MDS attribute update if possible.
- * Call this under @lli->lli_lock spinlock. */
+/** Closes epoch and sends Size-on-MDS attribute update if possible. Call
+ * this under ll_inode_info::lli_lock spinlock. */
void ll_epoch_close(struct inode *inode, struct md_op_data *op_data,
struct obd_client_handle **och, unsigned long flags)
{
inode = igrab(inode);
LASSERT(inode);
GOTO(out, 0);
- }
+ }
if (flags & LLIF_DONE_WRITING) {
/* Some pages are still dirty, it is early to send
* DONE_WRITE. Wait untill all pages will be flushed
"recovery\n",
inode->i_ino, inode->i_generation, lli->lli_flags);
- if (!ll_local_size(inode)) {
+ if (!cl_local_size(inode)) {
/* Send Size-on-MDS Attributes if valid. Atime is sent along
* with all the attributes. */
op_data->op_attr.ia_valid |= ATTR_MTIME_SET | ATTR_CTIME_SET |
struct obdo *oa;
int rc;
ENTRY;
-
+
/* LASSERT(!(lli->lli_flags & LLIF_MDS_SIZE_LOCK)); */
/* After recovery that can be valid. */
if (lli->lli_flags & LLIF_MDS_SIZE_LOCK)
RETURN(-ENOMEM);
}
rc = ll_inode_getattr(inode, oa);
- if (rc) {
+ if (rc == -ENOENT) {
+ oa->o_valid = 0;
+ CDEBUG(D_INODE, "objid "LPX64" is already destroyed\n",
+ lli->lli_smd->lsm_object_id);
+ } else if (rc) {
CERROR("inode_getattr failed (%d): unable to send a "
"Size-on-MDS attribute update for inode %lu/%u\n",
rc, inode->i_ino, inode->i_generation);
op_data->op_ioepoch = ioepoch;
op_data->op_flags |= MF_SOM_CHANGE;
- rc = ll_md_setattr(inode, op_data);
+ rc = ll_md_setattr(inode, op_data, NULL);
EXIT;
out:
if (oa)
return rc;
}
-/* Send a DONE_WRITING rpc, pack Size-on-MDS attributes into it, if possible */
+/** Sends a DONE_WRITING rpc, packs Size-on-MDS attributes into it, if
+ * possible */
static void ll_done_writing(struct inode *inode)
{
struct obd_client_handle *och = NULL;
ENTRY;
LASSERT(ll_i2mdexp(inode)->exp_connect_flags & OBD_CONNECT_SOM);
-
+
OBD_ALLOC_PTR(op_data);
if (op_data == NULL) {
CERROR("can't allocate op_data\n");
/* If there is no @och, we do not do D_W yet. */
if (och == NULL)
GOTO(out, 0);
-
+
ll_pack_inode2opdata(inode, op_data, &och->och_fh);
- rc = md_done_writing(ll_i2sbi(inode)->ll_md_exp, op_data, och);
+ rc = md_done_writing(ll_i2sbi(inode)->ll_md_exp, op_data, NULL);
if (rc == -EAGAIN) {
- /* MDS has instructed us to obtain Size-on-MDS attribute from
+ /* MDS has instructed us to obtain Size-on-MDS attribute from
* OSTs and send setattr to back to MDS. */
rc = ll_sizeonmds_update(inode, &och->och_fh,
op_data->op_ioepoch);
snprintf(name, sizeof(name) - 1, "ll_close");
cfs_daemonize(name);
}
-
+
complete(&lcq->lcq_comp);
while (1) {
struct ll_close_queue *lcq;
pid_t pid;
+ if (OBD_FAIL_CHECK(OBD_FAIL_LDLM_CLOSE_THREAD))
+ return -EINTR;
+
OBD_ALLOC(lcq, sizeof(*lcq));
if (lcq == NULL)
return -ENOMEM;
wait_for_completion(&lcq->lcq_comp);
OBD_FREE(lcq, sizeof(*lcq));
}
-
-
git://git.whamcloud.com / fs / lustre-release.git / blobdiff