* Author: Phil Schwan <phil@clusterfs.com>
* Author: Mike Shaver <shaver@clusterfs.com>
*
- * This file is part of Lustre, http://www.lustre.org.
+ * This file is part of the Lustre file system, http://www.lustre.org
+ * Lustre is a trademark of Cluster File Systems, Inc.
*
- * 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.
+ * You may have signed or agreed to another license before downloading
+ * this software. If so, you are bound by the terms and conditions
+ * of that agreement, and the following does not apply to you. See the
+ * LICENSE file included with this distribution for more information.
*
- * 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.
+ * If you did not agree to a different license, then this copy of Lustre
+ * is open source 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.
*
- * 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.
+ * In either case, 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
+ * license text for more details.
*/
#ifndef EXPORT_SYMTAB
# include <linux/locks.h>
#endif
-#include <linux/obd_class.h>
-#include <linux/obd_lov.h>
-#include <linux/lustre_fsfilt.h>
-#include <linux/lprocfs_status.h>
+#include <obd_class.h>
+#include <obd_lov.h>
+#include <lustre_fsfilt.h>
+#include <lprocfs_status.h>
#include "mds_internal.h"
atomic_read(&mfd->mfd_refcount));
}
+/* Create a new mds_file_data struct.
+ * One reference for handle+med_open_head list and dropped by mds_mfd_unlink(),
+ * one reference for the caller of this function. */
struct mds_file_data *mds_mfd_new(void)
{
struct mds_file_data *mfd;
atomic_set(&mfd->mfd_refcount, 2);
INIT_LIST_HEAD(&mfd->mfd_handle.h_link);
+ INIT_LIST_HEAD(&mfd->mfd_list);
class_handle_hash(&mfd->mfd_handle, mds_mfd_addref);
return mfd;
}
+/* Get a new reference on the mfd pointed to by handle, if handle is still
+ * valid. Caller must drop reference with mds_mfd_put(). */
static struct mds_file_data *mds_handle2mfd(struct lustre_handle *handle)
{
ENTRY;
RETURN(class_handle2object(handle->cookie));
}
+/* Drop mfd reference, freeing struct if this is the last one. */
static void mds_mfd_put(struct mds_file_data *mfd)
{
CDEBUG(D_INFO, "PUTting mfd %p : new refcount %d\n", mfd,
LASSERT(atomic_read(&mfd->mfd_refcount) > 0 &&
atomic_read(&mfd->mfd_refcount) < 0x5a5a);
if (atomic_dec_and_test(&mfd->mfd_refcount)) {
- LASSERT(list_empty(&mfd->mfd_handle.h_link));
- OBD_FREE(mfd, sizeof *mfd);
+ OBD_FREE_RCU(mfd, sizeof *mfd, &mfd->mfd_handle);
}
}
-static void mds_mfd_destroy(struct mds_file_data *mfd)
+/* Remove the mfd handle so that it cannot be found by open/close again.
+ * Caller must hold med_open_lock for mfd_list manipulation. */
+void mds_mfd_unlink(struct mds_file_data *mfd, int decref)
{
class_handle_unhash(&mfd->mfd_handle);
- mds_mfd_put(mfd);
+ list_del_init(&mfd->mfd_list);
+ if (decref)
+ mds_mfd_put(mfd);
}
-
/* Caller must hold mds->mds_epoch_sem */
static int mds_alloc_filterdata(struct inode *inode)
{
GOTO(cleanup_dentry, error = -ENOMEM);
}
- body = lustre_msg_buf(req->rq_repmsg, 1, sizeof (*body));
+ body = lustre_msg_buf(req->rq_repmsg, DLM_REPLY_REC_OFF, sizeof(*body));
if (flags & FMODE_WRITE) {
/* FIXME: in recovery, need to pass old epoch here */
if (error)
GOTO(cleanup_mfd, error);
body->io_epoch = MDS_FILTERDATA(dentry->d_inode)->io_epoch;
- } else if (flags & FMODE_EXEC) {
+ } else if (flags & MDS_FMODE_EXEC) {
error = mds_deny_write_access(mds, dentry->d_inode);
if (error)
GOTO(cleanup_mfd, error);
dget(dentry);
/* Mark the file as open to handle open-unlink. */
-
- DOWN_WRITE_I_ALLOC_SEM(dentry->d_inode);
+ MDS_DOWN_WRITE_ORPHAN_SEM(dentry->d_inode);
mds_orphan_open_inc(dentry->d_inode);
- UP_WRITE_I_ALLOC_SEM(dentry->d_inode);
+ MDS_UP_WRITE_ORPHAN_SEM(dentry->d_inode);
mfd->mfd_mode = flags;
mfd->mfd_dentry = dentry;
spin_lock(&med->med_open_lock);
list_add(&mfd->mfd_list, &med->med_open_head);
spin_unlock(&med->med_open_lock);
- mds_mfd_put(mfd);
body->handle.cookie = mfd->mfd_handle.h_cookie;
cleanup_mfd:
mds_mfd_put(mfd);
- mds_mfd_destroy(mfd);
+ mds_mfd_unlink(mfd, 1);
cleanup_dentry:
return ERR_PTR(error);
}
-static void mds_objids_from_lmm(obd_id *ids, struct lov_mds_md *lmm,
- struct lov_desc *desc)
-{
- int i;
- for (i = 0; i < le32_to_cpu(lmm->lmm_stripe_count); i++) {
- ids[le32_to_cpu(lmm->lmm_objects[i].l_ost_idx)] =
- le64_to_cpu(lmm->lmm_objects[i].l_object_id);
- }
-}
-
-/* Must be called with i_sem held */
+/* Must be called with i_mutex held */
static int mds_create_objects(struct ptlrpc_request *req, int offset,
struct mds_update_record *rec,
struct mds_obd *mds, struct obd_device *obd,
- struct dentry *dchild, void **handle,
+ struct dentry *dchild, void **handle,
obd_id **ids)
{
- struct obdo *oa = NULL;
+ struct inode *inode = dchild->d_inode;
struct obd_trans_info oti = { 0 };
- struct mds_body *body;
- struct lov_stripe_md *lsm = NULL;
struct lov_mds_md *lmm = NULL;
- struct inode *inode = dchild->d_inode;
+ int rc, lmm_size;
+ struct mds_body *body;
+ struct obd_info oinfo = { { { 0 } } };
void *lmm_buf;
- int rc, lmm_bufsize, lmm_size;
ENTRY;
- if (rec->ur_flags & MDS_OPEN_DELAY_CREATE ||
- !(rec->ur_flags & FMODE_WRITE))
+ if (!S_ISREG(inode->i_mode))
+ RETURN(0);
+ if (!md_should_create(rec->ur_flags))
RETURN(0);
- body = lustre_msg_buf(req->rq_repmsg, 1, sizeof(*body));
+ body = lustre_msg_buf(req->rq_repmsg, DLM_REPLY_REC_OFF, sizeof(*body));
- if (!S_ISREG(inode->i_mode))
- RETURN(0);
if (body->valid & OBD_MD_FLEASIZE)
RETURN(0);
- OBD_ALLOC(*ids, mds->mds_dt_desc.ld_tgt_count * sizeof(**ids));
+ OBD_ALLOC(*ids, mds->mds_lov_desc.ld_tgt_count * sizeof(**ids));
if (*ids == NULL)
RETURN(-ENOMEM);
+ oti_init(&oti, req);
oti.oti_objid = *ids;
/* replay case */
if (lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY) {
- LASSERT(id_ino(rec->ur_id2));
+ if (rec->ur_fid2->id == 0) {
+ DEBUG_REQ(D_ERROR, req, "fid2 not set on open replay");
+ RETURN(-EFAULT);
+ }
+
body->valid |= OBD_MD_FLBLKSZ | OBD_MD_FLEASIZE;
lmm_size = rec->ur_eadatalen;
lmm = rec->ur_eadata;
if (IS_ERR(*handle)) {
rc = PTR_ERR(*handle);
*handle = NULL;
- GOTO(out_oa, rc);
+ GOTO(out_ids, rc);
}
- mds_objids_from_lmm(*ids, lmm, &mds->mds_dt_desc);
+ mds_objids_from_lmm(*ids, lmm, &mds->mds_lov_desc);
- lmm_buf = lustre_msg_buf(req->rq_repmsg, offset, 0);
- lmm_bufsize = req->rq_repmsg->buflens[offset];
- LASSERT(lmm_buf);
- LASSERT(lmm_bufsize >= lmm_size);
- memcpy(lmm_buf, lmm, lmm_size);
- rc = fsfilt_set_md(obd, inode, *handle, lmm, lmm_size);
+ rc = fsfilt_set_md(obd, inode, *handle, lmm, lmm_size, "lov");
if (rc)
CERROR("open replay failed to set md:%d\n", rc);
- RETURN(0);
+ lmm_buf = lustre_msg_buf(req->rq_repmsg, offset, lmm_size);
+ LASSERT(lmm_buf);
+ memcpy(lmm_buf, lmm, lmm_size);
+
+ RETURN(rc);
}
if (OBD_FAIL_CHECK_ONCE(OBD_FAIL_MDS_ALLOC_OBDO))
GOTO(out_ids, rc = -ENOMEM);
- oa = obdo_alloc();
- if (oa == NULL)
+ OBDO_ALLOC(oinfo.oi_oa);
+ if (oinfo.oi_oa == NULL)
GOTO(out_ids, rc = -ENOMEM);
- oa->o_mode = S_IFREG | 0600;
- oa->o_id = inode->i_ino;
- oa->o_gr = FILTER_GROUP_FIRST_MDS + mds->mds_num;
- oa->o_generation = inode->i_generation;
- oa->o_uid = 0; /* must have 0 uid / gid on OST */
- oa->o_gid = 0;
- oa->o_valid = OBD_MD_FLID | OBD_MD_FLGENER | OBD_MD_FLTYPE |
- OBD_MD_FLMODE | OBD_MD_FLUID | OBD_MD_FLGID | OBD_MD_FLGROUP;
- oa->o_size = 0;
-
- obdo_from_inode(oa, inode, OBD_MD_FLTYPE|OBD_MD_FLATIME|OBD_MD_FLMTIME|
- OBD_MD_FLCTIME);
+ oinfo.oi_oa->o_uid = 0; /* must have 0 uid / gid on OST */
+ oinfo.oi_oa->o_gid = 0;
+ oinfo.oi_oa->o_mode = S_IFREG | 0600;
+ oinfo.oi_oa->o_id = inode->i_ino;
+ oinfo.oi_oa->o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLFLAGS |
+ OBD_MD_FLMODE | OBD_MD_FLUID | OBD_MD_FLGID;
+ oinfo.oi_oa->o_size = 0;
+
+ obdo_from_inode(oinfo.oi_oa, inode, OBD_MD_FLTYPE | OBD_MD_FLATIME |
+ OBD_MD_FLMTIME | OBD_MD_FLCTIME);
if (!(rec->ur_flags & MDS_OPEN_HAS_OBJS)) {
/* check if things like lfs setstripe are sending us the ea */
if (rec->ur_flags & MDS_OPEN_HAS_EA) {
rc = obd_iocontrol(OBD_IOC_LOV_SETSTRIPE,
- mds->mds_dt_exp,
- 0, &lsm, rec->ur_eadata);
+ mds->mds_osc_exp,
+ 0, &oinfo.oi_md, rec->ur_eadata);
if (rc)
GOTO(out_oa, rc);
} else {
- /* Per-directory striping default code removed, because
- * it uses the same unnamed EA storage as the directory
- * striping for CMD. -p */
- }
- LASSERT(oa->o_gr >= FILTER_GROUP_FIRST_MDS);
- rc = obd_create(mds->mds_dt_exp, oa, &lsm, &oti);
+ OBD_ALLOC(lmm, mds->mds_max_mdsize);
+ if (lmm == NULL)
+ GOTO(out_oa, rc = -ENOMEM);
+
+ lmm_size = mds->mds_max_mdsize;
+ rc = mds_get_md(obd, dchild->d_parent->d_inode,
+ lmm, &lmm_size, 1);
+ if (rc > 0)
+ rc = obd_iocontrol(OBD_IOC_LOV_SETSTRIPE,
+ mds->mds_osc_exp,
+ 0, &oinfo.oi_md, lmm);
+ OBD_FREE(lmm, mds->mds_max_mdsize);
+ if (rc)
+ GOTO(out_oa, rc);
+ }
+ rc = obd_create(mds->mds_osc_exp, oinfo.oi_oa,
+ &oinfo.oi_md, &oti);
if (rc) {
int level = D_ERROR;
if (rc == -ENOSPC)
GOTO(out_oa, rc);
}
} else {
- rc = obd_iocontrol(OBD_IOC_LOV_SETEA, mds->mds_dt_exp,
- 0, &lsm, rec->ur_eadata);
+ rc = obd_iocontrol(OBD_IOC_LOV_SETEA, mds->mds_osc_exp,
+ 0, &oinfo.oi_md, rec->ur_eadata);
if (rc) {
GOTO(out_oa, rc);
}
- lsm->lsm_object_id = oa->o_id;
- lsm->lsm_object_gr = oa->o_gr;
+ oinfo.oi_md->lsm_object_id = oinfo.oi_oa->o_id;
+ oinfo.oi_md->lsm_object_gr = oinfo.oi_oa->o_gr;
}
- if (inode->i_size) {
- oa->o_size = inode->i_size;
- obdo_from_inode(oa, inode, OBD_MD_FLTYPE|OBD_MD_FLATIME|
- OBD_MD_FLMTIME| OBD_MD_FLCTIME| OBD_MD_FLSIZE);
- rc = obd_setattr(mds->mds_dt_exp, oa, lsm, &oti);
+ if (i_size_read(inode)) {
+ oinfo.oi_oa->o_size = i_size_read(inode);
+ obdo_from_inode(oinfo.oi_oa, inode, OBD_MD_FLTYPE |
+ OBD_MD_FLATIME | OBD_MD_FLMTIME |
+ OBD_MD_FLCTIME | OBD_MD_FLSIZE);
+
+ /* pack lustre id to OST */
+ oinfo.oi_oa->o_fid = body->fid1.id;
+ oinfo.oi_oa->o_generation = body->fid1.generation;
+ oinfo.oi_oa->o_valid |= OBD_MD_FLFID | OBD_MD_FLGENER;
+
+ rc = obd_setattr_rqset(mds->mds_osc_exp, &oinfo, &oti);
if (rc) {
CERROR("error setting attrs for inode %lu: rc %d\n",
inode->i_ino, rc);
if (rc > 0) {
- CERROR("obd_setattr returned bad rc %d\n", rc);
+ CERROR("obd_setattr_async returned bad rc %d\n",
+ rc);
rc = -EIO;
}
GOTO(out_oa, rc);
}
body->valid |= OBD_MD_FLBLKSZ | OBD_MD_FLEASIZE;
- obdo_refresh_inode(inode, oa, OBD_MD_FLBLKSZ);
+ obdo_refresh_inode(inode, oinfo.oi_oa, OBD_MD_FLBLKSZ);
- LASSERT(lsm && lsm->lsm_object_id);
+ LASSERT(oinfo.oi_md && oinfo.oi_md->lsm_object_id);
lmm = NULL;
- rc = obd_packmd(mds->mds_dt_exp, &lmm, lsm);
- if (!id_ino(rec->ur_id2))
- obd_free_memmd(mds->mds_dt_exp, &lsm);
- LASSERT(rc >= 0);
+ rc = obd_packmd(mds->mds_osc_exp, &lmm, oinfo.oi_md);
+ if (rc < 0) {
+ CERROR("cannot pack lsm, err = %d\n", rc);
+ GOTO(out_oa, rc);
+ }
lmm_size = rc;
body->eadatasize = rc;
if (IS_ERR(*handle)) {
rc = PTR_ERR(*handle);
*handle = NULL;
- GOTO(out_ids, rc);
+ GOTO(free_diskmd, rc);
}
- rc = fsfilt_set_md(obd, inode, *handle, lmm, lmm_size);
- lmm_buf = lustre_msg_buf(req->rq_repmsg, offset, 0);
- lmm_bufsize = req->rq_repmsg->buflens[offset];
+ rc = fsfilt_set_md(obd, inode, *handle, lmm, lmm_size, "lov");
+ lmm_buf = lustre_msg_buf(req->rq_repmsg, offset, lmm_size);
LASSERT(lmm_buf);
- LASSERT(lmm_bufsize >= lmm_size);
-
memcpy(lmm_buf, lmm, lmm_size);
- obd_free_diskmd(mds->mds_dt_exp, &lmm);
- out_oa:
+free_diskmd:
+ obd_free_diskmd(mds->mds_osc_exp, &lmm);
+out_oa:
oti_free_cookies(&oti);
- obdo_free(oa);
- out_ids:
+ OBDO_FREE(oinfo.oi_oa);
+out_ids:
if (rc) {
- OBD_FREE(*ids, mds->mds_dt_desc.ld_tgt_count * sizeof(**ids));
+ OBD_FREE(*ids, mds->mds_lov_desc.ld_tgt_count * sizeof(**ids));
*ids = NULL;
}
+ if (oinfo.oi_md)
+ obd_free_memmd(mds->mds_osc_exp, &oinfo.oi_md);
RETURN(rc);
}
struct dentry *parent, *dchild;
struct ldlm_reply *rep;
struct mds_body *body;
+ int rc;
struct list_head *t;
int put_child = 1;
- int rc;
ENTRY;
- LASSERT(offset == 3); /* only called via intent */
- rep = lustre_msg_buf(req->rq_repmsg, 0, sizeof (*rep));
- body = lustre_msg_buf(req->rq_repmsg, 1, sizeof (*body));
+ LASSERT(offset == DLM_INTENT_REC_OFF); /* only called via intent */
+ rep = lustre_msg_buf(req->rq_repmsg, DLM_LOCKREPLY_OFF, sizeof(*rep));
+ body = lustre_msg_buf(req->rq_repmsg, DLM_REPLY_REC_OFF, sizeof(*body));
/* copy rc, transno and disp; steal locks */
mds_req_from_mcd(req, mcd);
- intent_set_disposition(rep, mcd->mcd_last_data);
+ intent_set_disposition(rep, le32_to_cpu(mcd->mcd_last_data));
/* Only replay if create or open actually happened. */
if (!intent_disposition(rep, DISP_OPEN_CREATE | DISP_OPEN_OPEN) ) {
return; /* error looking up parent or child */
}
- parent = mds_id2dentry(obd, rec->ur_id1, NULL);
- LASSERTF(!IS_ERR(parent), "lid "DLID4" rc %ld\n",
- OLID4(rec->ur_id1), PTR_ERR(parent));
+ parent = mds_fid2dentry(mds, rec->ur_fid1, NULL);
+ LASSERT(!IS_ERR(parent));
- dchild = ll_lookup_one_len(rec->ur_name, parent,
- rec->ur_namelen - 1);
- LASSERTF(!IS_ERR(dchild), "parent "DLID4" child %s rc %ld\n",
- OLID4(rec->ur_id1), rec->ur_name, PTR_ERR(dchild));
+ dchild = ll_lookup_one_len(rec->ur_name, parent, rec->ur_namelen - 1);
+ LASSERT(!IS_ERR(dchild));
if (!dchild->d_inode)
GOTO(out_dput, 0); /* child not present to open */
/* At this point, we know we have a child. We'll send
- * it back _unless_ it not created and open failed. */
+ * it back _unless_ it not created and open failed.
+ */
if (intent_disposition(rep, DISP_OPEN_OPEN) &&
!intent_disposition(rep, DISP_OPEN_CREATE) &&
- req->rq_status)
+ req->rq_status) {
GOTO(out_dput, 0);
+ }
- /* get lock (write for O_CREAT, read otherwise) */
- mds_pack_inode2body(obd, body, dchild->d_inode, 0);
+ mds_pack_inode2fid(&body->fid1, dchild->d_inode);
+ mds_pack_inode2body(body, dchild->d_inode);
if (S_ISREG(dchild->d_inode->i_mode)) {
- rc = mds_pack_md(obd, req->rq_repmsg, 2, body,
- dchild->d_inode, 1);
+ rc = mds_pack_md(obd, req->rq_repmsg, DLM_REPLY_REC_OFF + 1,
+ body, dchild->d_inode, 1);
if (rc)
LASSERT(rc == req->rq_status);
body->valid |= (OBD_MD_FLSIZE | OBD_MD_FLBLOCKS |
OBD_MD_FLATIME | OBD_MD_FLMTIME);
}
-
+
+ if (!(rec->ur_flags & MDS_OPEN_JOIN_FILE))
+ lustre_shrink_reply(req, DLM_REPLY_REC_OFF + 1,
+ body->eadatasize, 0);
+
+ if (req->rq_export->exp_connect_flags & OBD_CONNECT_ACL &&
+ !(rec->ur_flags & MDS_OPEN_JOIN_FILE)) {
+ int acl_off = DLM_REPLY_REC_OFF + (body->eadatasize ? 2 : 1);
+
+ rc = mds_pack_acl(med, dchild->d_inode, req->rq_repmsg,
+ body, acl_off);
+ lustre_shrink_reply(req, acl_off, body->aclsize, 0);
+ if (!req->rq_status && rc)
+ req->rq_status = rc;
+ }
+
/* If we have -EEXIST as the status, and we were asked to create
* exclusively, we can tell we failed because the file already existed.
*/
GOTO(out_dput, 0);
mfd = NULL;
+ spin_lock(&med->med_open_lock);
list_for_each(t, &med->med_open_head) {
mfd = list_entry(t, struct mds_file_data, mfd_list);
- if (mfd->mfd_xid == req->rq_xid)
+ if (mfd->mfd_xid == req->rq_xid) {
+ mds_mfd_addref(mfd);
break;
+ }
mfd = NULL;
}
+ spin_unlock(&med->med_open_lock);
/* #warning "XXX fixme" bug 2991 */
/* Here it used to LASSERT(mfd) if exp_outstanding_reply != NULL.
* Now that exp_outstanding_reply is a list, it's just using mfd != NULL
* to detect a re-open */
if (mfd == NULL) {
+ if (rec->ur_flags & MDS_OPEN_JOIN_FILE) {
+ rc = mds_join_file(rec, req, dchild, NULL);
+ if (rc)
+ GOTO(out_dput, rc);
+ }
mntget(mds->mds_vfsmnt);
CERROR("Re-opened file \n");
mfd = mds_dentry_open(dchild, mds->mds_vfsmnt,
mfd->mfd_handle.h_cookie);
}
+ mds_mfd_put(mfd);
+
out_dput:
if (put_child)
l_dput(dchild);
}
/* do NOT or the MAY_*'s, you'll get the weakest */
-static int accmode(int flags)
+static int accmode(struct inode *inode, int flags)
{
int res = 0;
+ /* Sadly, NFSD reopens a file repeatedly during operation, so the
+ * "acc_mode = 0" allowance for newly-created files isn't honoured.
+ * NFSD uses the MDS_OPEN_OWNEROVERRIDE flag to say that a file
+ * owner can write to a file even if it is marked readonly to hide
+ * its brokenness. (bug 5781) */
+ if (flags & MDS_OPEN_OWNEROVERRIDE && inode->i_uid == current->fsuid)
+ return 0;
+
if (flags & FMODE_READ)
res = MAY_READ;
if (flags & (FMODE_WRITE|MDS_OPEN_TRUNC))
res |= MAY_WRITE;
- if (flags & FMODE_EXEC)
+ if (flags & MDS_FMODE_EXEC)
res = MAY_EXEC;
return res;
}
/* Handles object creation, actual opening, and I/O epoch */
static int mds_finish_open(struct ptlrpc_request *req, struct dentry *dchild,
struct mds_body *body, int flags, void **handle,
- struct mds_update_record *rec,struct ldlm_reply *rep)
+ struct mds_update_record *rec,struct ldlm_reply *rep,
+ struct lustre_handle *lockh)
{
struct mds_obd *mds = mds_req2mds(req);
struct obd_device *obd = req->rq_export->exp_obd;
struct mds_file_data *mfd = NULL;
obd_id *ids = NULL; /* object IDs created */
- unsigned mode;
int rc = 0;
ENTRY;
/* atomically create objects if necessary */
- down(&dchild->d_inode->i_sem);
- mode = dchild->d_inode->i_mode;
- if ((S_ISREG(mode) && !(body->valid & OBD_MD_FLEASIZE)) ||
- (S_ISDIR(mode) && !(body->valid & OBD_MD_FLDIREA))) {
- rc = mds_pack_md(obd, req->rq_repmsg, 2, body,
- dchild->d_inode, 0);
+ LOCK_INODE_MUTEX(dchild->d_inode);
+
+ if (S_ISREG(dchild->d_inode->i_mode) &&
+ !(body->valid & OBD_MD_FLEASIZE)) {
+ rc = mds_pack_md(obd, req->rq_repmsg, DLM_REPLY_REC_OFF + 1,
+ body, dchild->d_inode, 0);
if (rc) {
- up(&dchild->d_inode->i_sem);
+ UNLOCK_INODE_MUTEX(dchild->d_inode);
RETURN(rc);
}
}
if (rec != NULL) {
- /* no EA: create objects */
if ((body->valid & OBD_MD_FLEASIZE) &&
(rec->ur_flags & MDS_OPEN_HAS_EA)) {
- up(&dchild->d_inode->i_sem);
+ UNLOCK_INODE_MUTEX(dchild->d_inode);
RETURN(-EEXIST);
}
- if (!(body->valid & OBD_MD_FLEASIZE)) {
- /* no EA: create objects */
- rc = mds_create_objects(req, 2, rec, mds, obd,
- dchild, handle, &ids);
- if (rc) {
- CERROR("mds_create_objects: rc = %d\n", rc);
- up(&dchild->d_inode->i_sem);
+ if (rec->ur_flags & MDS_OPEN_JOIN_FILE) {
+ UNLOCK_INODE_MUTEX(dchild->d_inode);
+ rc = mds_join_file(rec, req, dchild, lockh);
+ if (rc)
RETURN(rc);
- }
+ LOCK_INODE_MUTEX(dchild->d_inode);
}
- if (S_ISREG(dchild->d_inode->i_mode) &&
- (body->valid & OBD_MD_FLEASIZE)) {
- rc = mds_revalidate_lov_ea(obd, dchild->d_inode,
- req->rq_repmsg, 2);
- if (!rc)
- rc = mds_pack_md(obd, req->rq_repmsg, 2, body,
- dchild->d_inode, 0);
+ if (!(body->valid & OBD_MD_FLEASIZE) &&
+ !(body->valid & OBD_MD_FLMODEASIZE)) {
+ /* no EA: create objects */
+ rc = mds_create_objects(req, DLM_REPLY_REC_OFF + 1, rec,
+ mds, obd, dchild, handle, &ids);
if (rc) {
- up(&dchild->d_inode->i_sem);
+ CERROR("mds_create_objects: rc = %d\n", rc);
+ UNLOCK_INODE_MUTEX(dchild->d_inode);
RETURN(rc);
}
}
}
- /* If the inode has no EA data, then MDSs hold size, mtime */
+ /* If the inode has no EA data, then MDS holds size, mtime */
if (S_ISREG(dchild->d_inode->i_mode) &&
!(body->valid & OBD_MD_FLEASIZE)) {
body->valid |= (OBD_MD_FLSIZE | OBD_MD_FLBLOCKS |
OBD_MD_FLATIME | OBD_MD_FLMTIME);
}
- up(&dchild->d_inode->i_sem);
+ UNLOCK_INODE_MUTEX(dchild->d_inode);
+
+ if (rec && !(rec->ur_flags & MDS_OPEN_JOIN_FILE))
+ lustre_shrink_reply(req, DLM_REPLY_REC_OFF + 1,
+ body->eadatasize, 0);
+
+ if (req->rq_export->exp_connect_flags & OBD_CONNECT_ACL &&
+ rec && !(rec->ur_flags & MDS_OPEN_JOIN_FILE)) {
+ int acl_off = DLM_REPLY_REC_OFF + (body->eadatasize ? 2 : 1);
+
+ rc = mds_pack_acl(&req->rq_export->exp_mds_data,
+ dchild->d_inode, req->rq_repmsg,
+ body, acl_off);
+ lustre_shrink_reply(req, acl_off, body->aclsize, 0);
+ if (rc)
+ RETURN(rc);
+ }
intent_set_disposition(rep, DISP_OPEN_OPEN);
mfd = mds_dentry_open(dchild, mds->mds_vfsmnt, flags, req);
CDEBUG(D_INODE, "mfd %p, cookie "LPX64"\n", mfd,
mfd->mfd_handle.h_cookie);
+
if (ids != NULL) {
- mds_dt_update_objids(obd, ids);
- OBD_FREE(ids, sizeof(*ids) * mds->mds_dt_desc.ld_tgt_count);
+ mds_lov_update_objids(obd, ids);
+ OBD_FREE(ids, sizeof(*ids) * mds->mds_lov_desc.ld_tgt_count);
}
- //if (rc)
- // mds_mfd_destroy(mfd);
+ if (rc) /* coverity[deadcode] */
+ mds_mfd_unlink(mfd, 1);
+
+ mds_mfd_put(mfd);
RETURN(rc);
}
-static int mds_open_by_id(struct ptlrpc_request *req,
- struct lustre_id *id,
- struct mds_body *body, int flags,
- struct mds_update_record *rec,
- struct ldlm_reply *rep)
+static int mds_open_by_fid(struct ptlrpc_request *req, struct ll_fid *fid,
+ struct mds_body *body, int flags,
+ struct mds_update_record *rec,struct ldlm_reply *rep)
{
struct mds_obd *mds = mds_req2mds(req);
- struct inode *pending_dir = mds->mds_pending_dir->d_inode;
struct dentry *dchild;
- char idname[LL_ID_NAMELEN];
- int idlen = 0, rc;
+ char fidname[LL_FID_NAMELEN];
+ int fidlen = 0, rc;
void *handle = NULL;
ENTRY;
- down(&pending_dir->i_sem);
-
- idlen = ll_id2str(idname, id_ino(id), id_gen(id));
-
- dchild = lookup_one_len(idname, mds->mds_pending_dir,
- idlen);
+ fidlen = ll_fid2str(fidname, fid->id, fid->generation);
+ dchild = ll_lookup_one_len(fidname, mds->mds_pending_dir, fidlen);
if (IS_ERR(dchild)) {
- up(&pending_dir->i_sem);
rc = PTR_ERR(dchild);
- CERROR("error looking up %s in PENDING: rc = %d\n",
- idname, rc);
+ CERROR("error looking up %s in PENDING: rc = %d\n",fidname, rc);
RETURN(rc);
}
if (dchild->d_inode != NULL) {
- up(&pending_dir->i_sem);
mds_inode_set_orphan(dchild->d_inode);
- mds_pack_inode2body(req2obd(req), body, dchild->d_inode, 0);
- intent_set_disposition(rep, DISP_LOOKUP_EXECD);
- intent_set_disposition(rep, DISP_LOOKUP_POS);
CWARN("Orphan %s found and opened in PENDING directory\n",
- idname);
- goto open;
- }
- dput(dchild);
- up(&pending_dir->i_sem);
+ fidname);
+ } else {
+ l_dput(dchild);
- /*
- * we didn't find it in PENDING so it isn't an orphan. See if it was a
- * regular inode that was previously created.
- */
- dchild = mds_id2dentry(req2obd(req), id, NULL);
- if (IS_ERR(dchild))
- RETURN(PTR_ERR(dchild));
+ /* We didn't find it in PENDING so it isn't an orphan. See
+ * if it was a regular inode that was previously created. */
+ dchild = mds_fid2dentry(mds, fid, NULL);
+ if (IS_ERR(dchild))
+ RETURN(PTR_ERR(dchild));
+ }
- mds_pack_inode2body(req2obd(req), body, dchild->d_inode, 0);
+ mds_pack_inode2fid(&body->fid1, dchild->d_inode);
+ mds_pack_inode2body(body, dchild->d_inode);
intent_set_disposition(rep, DISP_LOOKUP_EXECD);
intent_set_disposition(rep, DISP_LOOKUP_POS);
- open:
- rc = mds_finish_open(req, dchild, body, flags, &handle, rec, rep);
- rc = mds_finish_transno(mds, dchild ? dchild->d_inode : NULL, handle,
- req, rc, rep ? rep->lock_policy_res1 : 0);
+ rc = mds_finish_open(req, dchild, body, flags, &handle, rec, rep, NULL);
+ rc = mds_finish_transno(mds, dchild->d_inode, handle,
+ req, rc, rep ? rep->lock_policy_res1 : 0, 0);
/* XXX what do we do here if mds_finish_transno itself failed? */
l_dput(dchild);
int mds_pin(struct ptlrpc_request *req, int offset)
{
struct obd_device *obd = req->rq_export->exp_obd;
- struct mds_body *request_body, *reply_body;
+ struct mds_body *reqbody, *repbody;
struct lvfs_run_ctxt saved;
- int rc, size = sizeof(*reply_body);
+ int rc, size[2] = { sizeof(struct ptlrpc_body), sizeof(*repbody) };
ENTRY;
- request_body = lustre_msg_buf(req->rq_reqmsg, offset,
- sizeof(*request_body));
+ reqbody = lustre_msg_buf(req->rq_reqmsg, offset, sizeof(*reqbody));
- rc = lustre_pack_reply(req, 1, &size, NULL);
+ rc = lustre_pack_reply(req, 2, size, NULL);
if (rc)
RETURN(rc);
- reply_body = lustre_msg_buf(req->rq_repmsg, 0, sizeof(*reply_body));
+ repbody = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF,
+ sizeof(*repbody));
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- rc = mds_open_by_id(req, &request_body->id1, reply_body,
- request_body->flags, NULL, NULL);
+ rc = mds_open_by_fid(req, &reqbody->fid1, repbody, reqbody->flags, NULL,
+ NULL);
pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
RETURN(rc);
}
-/*
- * get a lock on the ino to sync with creation WRT inode reuse (bug 2029). If
- * child_lockh is NULL we just get the lock as a barrier to wait for other
- * holders of this lock, and drop it right away again.
- */
+/* Get an internal lock on the inode number (but not generation) to sync
+ * new inode creation with inode unlink (bug 2029). If child_lockh is NULL
+ * we just get the lock as a barrier to wait for other holders of this lock,
+ * and drop it right away again. */
int mds_lock_new_child(struct obd_device *obd, struct inode *inode,
struct lustre_handle *child_lockh)
{
- struct ldlm_res_id child_res_id = { .name = { 0, 0, 0, 0 } };
+ struct ldlm_res_id child_res_id = { .name = { inode->i_ino, 0, 1, 0 } };
struct lustre_handle lockh;
- struct lustre_id sid;
- int lock_flags = 0;
+ int lock_flags = LDLM_FL_ATOMIC_CB;
int rc;
- down(&inode->i_sem);
- rc = mds_read_inode_sid(obd, inode, &sid);
- up(&inode->i_sem);
- if (rc) {
- CERROR("Can't read inode self id, err = %d\n", rc);
- RETURN(rc);
- }
-
- child_res_id.name[0] = id_fid(&sid);
- child_res_id.name[1] = id_group(&sid);
- child_res_id.name[2] = 1;
-
if (child_lockh == NULL)
child_lockh = &lockh;
- rc = ldlm_cli_enqueue(NULL, NULL, obd->obd_namespace, child_res_id,
- LDLM_PLAIN, NULL, LCK_EX, &lock_flags,
- mds_blocking_ast, ldlm_completion_ast, NULL,
- NULL, NULL, 0, NULL, child_lockh);
+ rc = ldlm_cli_enqueue_local(obd->obd_namespace, &child_res_id,
+ LDLM_PLAIN, NULL, LCK_EX, &lock_flags,
+ ldlm_blocking_ast, ldlm_completion_ast,
+ NULL, NULL, 0, NULL, child_lockh);
if (rc != ELDLM_OK)
- CERROR("ldlm_cli_enqueue: %d\n", rc);
+ CERROR("ldlm_cli_enqueue_local: %d\n", rc);
else if (child_lockh == &lockh)
ldlm_lock_decref(child_lockh, LCK_EX);
RETURN(rc);
}
-static int is_mount_object(struct dentry *dparent)
-{
- struct dentry *dchild;
-
- if (!(dparent->d_inode->i_mode & S_ISUID))
- return 0;
-
- dchild = lookup_one_len(".mntinfo", dparent, strlen(".mntinfo"));
- if (IS_ERR(dchild) || dchild == NULL)
- return 0;
-
- dput(dchild);
- return 1;
-}
-
int mds_open(struct mds_update_record *rec, int offset,
struct ptlrpc_request *req, struct lustre_handle *child_lockh)
{
struct mds_body *body = NULL;
struct dentry *dchild = NULL, *dparent = NULL;
struct mds_export_data *med;
- struct lustre_handle parent_lockh[2] = {{0}, {0}};
+ struct lustre_handle parent_lockh;
int rc = 0, cleanup_phase = 0, acc_mode, created = 0;
- int parent_mode = LCK_PR;
+ int parent_mode = LCK_CR;
void *handle = NULL;
- struct dentry_params dp;
- struct mea *mea = NULL;
- int mea_size, update_mode;
+ struct lvfs_dentry_params dp = LVFS_DENTRY_PARAMS_INIT;
+ unsigned int qcids[MAXQUOTAS] = { current->fsuid, current->fsgid };
+ unsigned int qpids[MAXQUOTAS] = { 0, 0 };
+ int child_mode = LCK_CR;
+ /* Always returning LOOKUP lock if open succesful to guard
+ dentry on client. */
+ ldlm_policy_data_t policy = {.l_inodebits={MDS_INODELOCK_LOOKUP}};
+ struct ldlm_res_id child_res_id = { .name = {0}};
+ int lock_flags = 0;
ENTRY;
- DEBUG_REQ(D_INODE, req, "parent "DLID4" name %*s mode %o",
- OLID4(rec->ur_id1), rec->ur_namelen - 1, rec->ur_name,
- rec->ur_mode);
-
- if (offset == 3) { /* intent */
- rep = lustre_msg_buf(req->rq_repmsg, 0, sizeof (*rep));
- body = lustre_msg_buf(req->rq_repmsg, 1, sizeof (*body));
- } else if (offset == 1) { /* non-intent reint */
- body = lustre_msg_buf(req->rq_repmsg, 0, sizeof (*body));
+ mds_counter_incr(req->rq_export, LPROC_MDS_OPEN);
+
+ OBD_FAIL_TIMEOUT(OBD_FAIL_MDS_PAUSE_OPEN | OBD_FAIL_ONCE,
+ (obd_timeout + 1) / 4);
+
+ CLASSERT(MAXQUOTAS < 4);
+ if (offset == DLM_INTENT_REC_OFF) { /* intent */
+ rep = lustre_msg_buf(req->rq_repmsg, DLM_LOCKREPLY_OFF,
+ sizeof(*rep));
+ body = lustre_msg_buf(req->rq_repmsg, DLM_REPLY_REC_OFF,
+ sizeof(*body));
+ } else if (offset == REQ_REC_OFF) { /* non-intent reint */
+ body = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF,
+ sizeof(*body));
+ LBUG(); /* XXX: not supported yet? */
} else {
body = NULL;
LBUG();
MDS_CHECK_RESENT(req, reconstruct_open(rec, offset, req, child_lockh));
- /*
- * Step 0: If we are passed a id, then we assume the client already
- * opened this file and is only replaying the RPC, so we open the inode
- * by fid (at some large expense in security).
- */
- if (lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY) {
- CDEBUG(D_HA, "open obj "DLID4" name %*s mode %o\n",
- OLID4(rec->ur_id2), rec->ur_namelen - 1,
- rec->ur_name, rec->ur_mode);
+ /* Step 0: If we are passed a fid, then we assume the client already
+ * opened this file and is only replaying the RPC, so we open the
+ * inode by fid (at some large expense in security). */
+ /*XXX liblustre use mds_open_by_fid to implement LL_IOC_LOV_SETSTRIPE */
+ if (((lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY) ||
+ (req->rq_export->exp_libclient && rec->ur_flags&MDS_OPEN_HAS_EA))&&
+ !(rec->ur_flags & MDS_OPEN_JOIN_FILE)) {
+ if (rec->ur_fid2->id == 0) {
+ struct ldlm_lock *lock = ldlm_handle2lock(child_lockh);
+ if (lock) {
+ LDLM_ERROR(lock, "fid2 not set on open replay");
+ LDLM_LOCK_PUT(lock);
+ }
+ DEBUG_REQ(D_ERROR, req, "fid2 not set on open replay");
+ RETURN(-EFAULT);
+ }
- LASSERT(id_ino(rec->ur_id2));
+ rc = mds_open_by_fid(req, rec->ur_fid2, body, rec->ur_flags,
+ rec, rep);
+ if (rc != -ENOENT) {
+ if (req->rq_export->exp_libclient &&
+ rec->ur_flags & MDS_OPEN_HAS_EA)
+ RETURN(0);
- rc = mds_open_by_id(req, rec->ur_id2, body, rec->ur_flags,
- rec, rep);
- if (rc != -ENOENT)
RETURN(rc);
+ }
/* We didn't find the correct inode on disk either, so we
* need to re-create it via a regular replay. */
- LASSERT(rec->ur_flags & MDS_OPEN_CREAT);
- } else {
- LASSERT(!id_ino(rec->ur_id2));
+ if (!(rec->ur_flags & MDS_OPEN_CREAT)) {
+ DEBUG_REQ(D_ERROR, req,"OPEN_CREAT not in open replay");
+ RETURN(-EFAULT);
+ }
+ } else if (rec->ur_fid2->id) {
+ DEBUG_REQ(D_ERROR, req, "fid2 "LPU64"/%u on open non-replay",
+ rec->ur_fid2->id, rec->ur_fid2->generation);
+ RETURN(-EFAULT);
}
- LASSERT(offset == 3); /* If we got here, we must be called via intent */
+ /* If we got here, we must be called via intent */
+ LASSERT(offset == DLM_INTENT_REC_OFF);
med = &req->rq_export->exp_mds_data;
if (OBD_FAIL_CHECK(OBD_FAIL_MDS_OPEN_PACK)) {
RETURN(-ENOMEM);
}
- acc_mode = accmode(rec->ur_flags);
-
/* Step 1: Find and lock the parent */
- if (rec->ur_flags & O_CREAT) {
- /* XXX Well, in fact we only need this lock mode change if
- in addition to O_CREAT, the file does not exist.
- But we do not know if it exists or not yet */
- parent_mode = LCK_PW;
- }
-
- if (rec->ur_namelen == 1) {
- /* client (LMV) wants to open the file by id */
- CDEBUG(D_OTHER, "OPEN by id "DLID4"\n", OLID4(rec->ur_id1));
- dchild = mds_id2dentry(obd, rec->ur_id1, NULL);
- if (IS_ERR(dchild)) {
- rc = PTR_ERR(dparent);
- CERROR("child lookup by an id error %d\n", rc);
- GOTO(cleanup, rc);
- }
- goto got_child;
- }
-
- dparent = mds_id2locked_dentry(obd, rec->ur_id1, NULL, parent_mode,
- parent_lockh, &update_mode, rec->ur_name,
- rec->ur_namelen - 1, MDS_INODELOCK_UPDATE);
+ if (rec->ur_flags & (MDS_OPEN_CREAT | MDS_OPEN_JOIN_FILE))
+ parent_mode = LCK_EX;
+ dparent = mds_fid2locked_dentry(obd, rec->ur_fid1, NULL, parent_mode,
+ &parent_lockh, MDS_INODELOCK_UPDATE);
if (IS_ERR(dparent)) {
rc = PTR_ERR(dparent);
- if (rc != -ENOENT)
- CERROR("parent lookup for "DLID4" failed, error %d\n",
- OLID4(rec->ur_id1), rc);
+ if (rc != -ENOENT) {
+ CERROR("parent "LPU64"/%u lookup error %d\n",
+ rec->ur_fid1->id, rec->ur_fid1->generation, rc);
+ } else {
+ /* Just cannot find parent - make it look like
+ * usual negative lookup to avoid extra MDS RPC */
+ intent_set_disposition(rep, DISP_LOOKUP_EXECD);
+ intent_set_disposition(rep, DISP_LOOKUP_NEG);
+ }
GOTO(cleanup, rc);
}
LASSERT(dparent->d_inode != NULL);
cleanup_phase = 1; /* parent dentry and lock */
- /* try to retrieve MEA data for this dir */
- rc = mds_md_get_attr(obd, dparent->d_inode, &mea, &mea_size);
- if (rc)
- GOTO(cleanup, rc);
-
- if (mea != NULL) {
- /*
- * dir is already splitted, check is requested filename should *
- * live at this MDS or at another one.
- */
- int i;
- i = mea_name2idx(mea, rec->ur_name, rec->ur_namelen - 1);
- if (mea->mea_master != id_group(&mea->mea_ids[i])) {
- CDEBUG(D_OTHER,
- "%s: inapropriate MDS(%d) for %lu/%u:%s."
- " should be %lu(%d)\n", obd->obd_name,
- mea->mea_master, dparent->d_inode->i_ino,
- dparent->d_inode->i_generation, rec->ur_name,
- (unsigned long)id_group(&mea->mea_ids[i]), i);
- GOTO(cleanup, rc = -ERESTART);
- }
+ if (rec->ur_flags & MDS_OPEN_JOIN_FILE) {
+ dchild = dget(dparent);
+ cleanup_phase = 2; /* child dentry */
+ acc_mode = accmode(dchild->d_inode, rec->ur_flags);
+ GOTO(found_child, rc);
}
/* Step 2: Lookup the child */
- dchild = ll_lookup_one_len(rec->ur_name, dparent, rec->ur_namelen - 1);
+
+ if (!(lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY) &&
+ (rec->ur_flags & MDS_OPEN_LOCK) && (rec->ur_namelen == 1)) {
+ /* hack for nfsd with no_subtree_check, it will use anon
+ * dentry w/o filename to open the file. the anon dentry's
+ * parent was set to itself, so rec->ur_fid1 is the file.
+ * And in MDC it cannot derive the dentry's parent dentry,
+ * hence the file's name, so we hack here in MDS,
+ * refer to bug 13030. */
+ dchild = mds_fid2dentry(mds, rec->ur_fid1, NULL);
+ } else {
+ dchild = ll_lookup_one_len(rec->ur_name, dparent,
+ rec->ur_namelen - 1);
+ }
if (IS_ERR(dchild)) {
rc = PTR_ERR(dchild);
dchild = NULL; /* don't confuse mds_finish_transno() below */
GOTO(cleanup, rc);
}
-got_child:
cleanup_phase = 2; /* child dentry */
intent_set_disposition(rep, DISP_LOOKUP_EXECD);
-
- if (dchild->d_flags & DCACHE_CROSS_REF) {
- struct ldlm_res_id res_id = { . name = {0} };
- ldlm_policy_data_t policy;
- int flags = 0;
-
- mds_pack_dentry2body(obd, body, dchild, 1);
- intent_set_disposition(rep, DISP_LOOKUP_POS);
-
- CDEBUG(D_OTHER, "cross reference: "DLID4"\n",
- OLID4(&body->id1));
-
- res_id.name[0] = dchild->d_fid;
- res_id.name[1] = dchild->d_mdsnum;
-
- policy.l_inodebits.bits = MDS_INODELOCK_LOOKUP;
- rc = ldlm_cli_enqueue(NULL, NULL, obd->obd_namespace,
- res_id, LDLM_IBITS, &policy,
- LCK_PR, &flags, mds_blocking_ast,
- ldlm_completion_ast, NULL, NULL,
- NULL, 0, NULL, child_lockh);
-#ifdef S_PDIROPS
- if (parent_lockh[1].cookie != 0)
- ldlm_lock_decref(parent_lockh + 1, update_mode);
-#endif
- ldlm_lock_decref(parent_lockh, parent_mode);
- if (mea)
- OBD_FREE(mea, mea_size);
- l_dput(dchild);
- l_dput(dparent);
- RETURN(rc);
- }
-
if (dchild->d_inode)
intent_set_disposition(rep, DISP_LOOKUP_POS);
else
intent_set_disposition(rep, DISP_LOOKUP_NEG);
- /* Step 3: If the child was negative, and we're supposed to, create it.*/
+ /*Step 3: If the child was negative, and we're supposed to, create it.*/
if (dchild->d_inode == NULL) {
- unsigned long ino;
+ unsigned long ino = rec->ur_fid2->id;
struct iattr iattr;
struct inode *inode;
-
- ino = (unsigned long)id_ino(rec->ur_id2);
-
- rc = mds_try_to_split_dir(obd, dparent, &mea, 0,
- update_mode);
-
- CDEBUG(D_OTHER, "%s: splitted %lu/%u - %d\n",
- obd->obd_name, dparent->d_inode->i_ino,
- dparent->d_inode->i_generation, rc);
-
- if (rc > 0) {
- /* dir got splitted */
- GOTO(cleanup, rc = -ERESTART);
- } else if (rc < 0) {
- /* error happened during spitting */
- GOTO(cleanup, rc);
- }
if (!(rec->ur_flags & MDS_OPEN_CREAT)) {
- /*
- * dentry is negative and we weren't supposed to create
- * object, get out of here.
- */
+ /* It's negative and we weren't supposed to create it */
GOTO(cleanup, rc = -ENOENT);
}
+ if (req->rq_export->exp_connect_flags & OBD_CONNECT_RDONLY)
+ GOTO(cleanup, rc = -EROFS);
+
intent_set_disposition(rep, DISP_OPEN_CREATE);
handle = fsfilt_start(obd, dparent->d_inode, FSFILT_OP_CREATE,
NULL);
GOTO(cleanup, rc);
}
dchild->d_fsdata = (void *) &dp;
- dp.p_ptr = req;
- dp.p_inum = ino;
+ dp.ldp_ptr = req;
+ dp.ldp_inum = ino;
- rc = ll_vfs_create(dparent->d_inode, dchild, rec->ur_mode, NULL);
+ rc = ll_vfs_create(dparent->d_inode, dchild, rec->ur_mode,NULL);
if (dchild->d_fsdata == (void *)(unsigned long)ino)
dchild->d_fsdata = NULL;
inode = dchild->d_inode;
if (ino) {
LASSERT(ino == inode->i_ino);
-
- /* written as part of setattr */
- inode->i_generation = id_gen(rec->ur_id2);
+ /* Written as part of setattr */
+ inode->i_generation = rec->ur_fid2->generation;
CDEBUG(D_HA, "recreated ino %lu with gen %u\n",
inode->i_ino, inode->i_generation);
}
LTIME_S(iattr.ia_ctime) = rec->ur_time;
LTIME_S(iattr.ia_mtime) = rec->ur_time;
- iattr.ia_uid = rec->ur_fsuid;
+ iattr.ia_uid = current->fsuid; /* set by push_ctxt already */
if (dparent->d_inode->i_mode & S_ISGID)
iattr.ia_gid = dparent->d_inode->i_gid;
else
- iattr.ia_gid = rec->ur_fsgid;
+ iattr.ia_gid = current->fsgid;
iattr.ia_valid = ATTR_UID | ATTR_GID | ATTR_ATIME |
ATTR_MTIME | ATTR_CTIME;
rc = fsfilt_setattr(obd, dparent, handle, &iattr, 0);
if (rc)
CERROR("error on parent setattr: rc = %d\n", rc);
- else {
- MD_COUNTER_INCREMENT(obd, create);
- }
-
- down(&dchild->d_inode->i_sem);
- if (ino) {
- rc = mds_update_inode_sid(obd, dchild->d_inode,
- handle, rec->ur_id2);
- if (rc) {
- CERROR("mds_update_inode_sid() failed, "
- "rc = %d\n", rc);
- }
- id_assign_fid(&body->id1, rec->ur_id2);
-
- /*
- * make sure, that fid is up-to-date.
- */
- mds_set_last_fid(obd, id_fid(rec->ur_id2));
- } else {
- rc = mds_alloc_inode_sid(obd, dchild->d_inode,
- handle, &body->id1);
- if (rc) {
- CERROR("mds_alloc_inode_sid() failed, "
- "rc = %d\n", rc);
- }
- }
- up(&dchild->d_inode->i_sem);
-
- if (!(rec->ur_flags & O_EXCL)) { /* bug 3313 */
- rc = fsfilt_commit(obd, dchild->d_inode->i_sb,
- dchild->d_inode, handle, 0);
- handle = NULL;
- }
+ rc = fsfilt_commit(obd, dchild->d_inode, handle, 0);
+ handle = NULL;
acc_mode = 0; /* Don't check for permissions */
-
- /*
- * we do not read fid from EA here, because it is already
- * updated and thus we avoid not needed IO, locking, etc.
- */
- mds_pack_inode2body(obd, body, dchild->d_inode, 0);
} else {
- mds_pack_inode2body(obd, body, dchild->d_inode, 1);
+ acc_mode = accmode(dchild->d_inode, rec->ur_flags);
}
+
LASSERTF(!mds_inode_is_orphan(dchild->d_inode),
- "dchild %*s (%p) inode %p\n", dchild->d_name.len,
- dchild->d_name.name, dchild, dchild->d_inode);
+ "dchild %.*s (%p) inode %p/%lu/%u\n", dchild->d_name.len,
+ dchild->d_name.name, dchild, dchild->d_inode,
+ dchild->d_inode->i_ino, dchild->d_inode->i_generation);
+
+found_child:
+ mds_pack_inode2fid(&body->fid1, dchild->d_inode);
+ mds_pack_inode2body(body, dchild->d_inode);
if (S_ISREG(dchild->d_inode->i_mode)) {
/* Check permissions etc */
if (rc != 0)
GOTO(cleanup, rc);
- /* Can't write to a read-only file */
- if (IS_RDONLY(dchild->d_inode) && (acc_mode & MAY_WRITE) != 0)
- GOTO(cleanup, rc = -EPERM);
+ if ((req->rq_export->exp_connect_flags & OBD_CONNECT_RDONLY) &&
+ (acc_mode & MAY_WRITE))
+ GOTO(cleanup, rc = -EROFS);
/* An append-only file must be opened in append mode for
* writing */
/* if we are following a symlink, don't open */
if (S_ISLNK(dchild->d_inode->i_mode))
- GOTO(cleanup, rc = 0);
-
- if ((rec->ur_flags & MDS_OPEN_DIRECTORY) &&
- !S_ISDIR(dchild->d_inode->i_mode))
- GOTO(cleanup, rc = -ENOTDIR);
+ GOTO(cleanup_no_trans, rc = 0);
if (S_ISDIR(dchild->d_inode->i_mode)) {
if (rec->ur_flags & MDS_OPEN_CREAT ||
rec->ur_flags & FMODE_WRITE) {
- /*we are trying to create or write a exist dir*/
+ /* we are trying to create or write a exist dir */
GOTO(cleanup, rc = -EISDIR);
}
- if (ll_permission(dchild->d_inode, acc_mode, NULL))
+ if (rec->ur_flags & MDS_FMODE_EXEC) {
+ /* we are trying to exec a directory */
GOTO(cleanup, rc = -EACCES);
-
- if (is_mount_object(dchild)) {
- CERROR("Found possible GNS mount object %*s; not "
- "opening.\n", dchild->d_name.len,
- dchild->d_name.name);
- GOTO(cleanup, rc = 0); // success, but don't really open
}
+ if (ll_permission(dchild->d_inode, acc_mode, NULL)) {
+ intent_set_disposition(rep, DISP_OPEN_OPEN);
+ GOTO(cleanup, rc = -EACCES);
+ }
+ } else if (rec->ur_flags & MDS_OPEN_DIRECTORY) {
+ GOTO(cleanup, rc = -ENOTDIR);
+ }
+
+ if (OBD_FAIL_CHECK(OBD_FAIL_MDS_OPEN_CREATE)) {
+ obd_fail_loc = OBD_FAIL_LDLM_REPLY | OBD_FAIL_ONCE;
+ GOTO(cleanup, rc = -EAGAIN);
+ }
+
+ /* Obtain OPEN lock as well */
+ policy.l_inodebits.bits |= MDS_INODELOCK_OPEN;
+
+ /* We cannot use acc_mode here, because it is zeroed in case of
+ creating a file, so we get wrong lockmode */
+ if (accmode(dchild->d_inode, rec->ur_flags) & MAY_WRITE)
+ child_mode = LCK_CW;
+ else if (accmode(dchild->d_inode, rec->ur_flags) & MAY_EXEC)
+ child_mode = LCK_PR;
+ else
+ child_mode = LCK_CR;
+
+ if (!(lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY) &&
+ (rec->ur_flags & MDS_OPEN_LOCK)) {
+ /* In case of replay we do not get a lock assuming that the
+ caller has it already */
+ child_res_id.name[0] = dchild->d_inode->i_ino;
+ child_res_id.name[1] = dchild->d_inode->i_generation;
+
+ rc = ldlm_cli_enqueue_local(obd->obd_namespace, &child_res_id,
+ LDLM_IBITS, &policy, child_mode,
+ &lock_flags, ldlm_blocking_ast,
+ ldlm_completion_ast, NULL, NULL,
+ 0, NULL, child_lockh);
+ if (rc != ELDLM_OK)
+ GOTO(cleanup, rc);
+
+ /* Let mds_intent_policy know that we have a lock to return */
+ intent_set_disposition(rep, DISP_OPEN_LOCK);
+ cleanup_phase = 3;
+ }
+
+ if (!S_ISREG(dchild->d_inode->i_mode) &&
+ !S_ISDIR(dchild->d_inode->i_mode) &&
+ (req->rq_export->exp_connect_flags & OBD_CONNECT_NODEVOH)) {
+ /* If client supports this, do not return open handle for
+ * special device nodes */
+ GOTO(cleanup_no_trans, rc = 0);
}
/* Step 5: mds_open it */
- rc = mds_finish_open(req, dchild, body, rec->ur_flags, &handle,
- rec, rep);
+ rc = mds_finish_open(req, dchild, body, rec->ur_flags, &handle, rec,
+ rep, &parent_lockh);
GOTO(cleanup, rc);
cleanup:
rc = mds_finish_transno(mds, dchild ? dchild->d_inode : NULL, handle,
- req, rc, rep ? rep->lock_policy_res1 : 0);
+ req, rc, rep ? rep->lock_policy_res1 : 0, 0);
+ cleanup_no_trans:
switch (cleanup_phase) {
+ case 3:
+ if (rc)
+ /* It is safe to leave IT_OPEN_LOCK set, if rc is not 0,
+ * mds_intent_policy won't try to return any locks */
+ ldlm_lock_decref(child_lockh, child_mode);
case 2:
if (rc && created) {
int err = vfs_unlink(dparent->d_inode, dchild);
if (err) {
- CERROR("unlink(%*s) in error path: %d\n",
+ CERROR("unlink(%.*s) in error path: %d\n",
dchild->d_name.len, dchild->d_name.name,
err);
}
} else if (created) {
mds_lock_new_child(obd, dchild->d_inode, NULL);
+ /* save uid/gid for quota acquire/release */
+ qpids[USRQUOTA] = dparent->d_inode->i_uid;
+ qpids[GRPQUOTA] = dparent->d_inode->i_gid;
}
l_dput(dchild);
case 1:
break;
l_dput(dparent);
-#ifdef S_PDIROPS
- if (parent_lockh[1].cookie != 0)
- ldlm_lock_decref(parent_lockh + 1, update_mode);
-#endif
if (rc)
- ldlm_lock_decref(parent_lockh, parent_mode);
+ ldlm_lock_decref(&parent_lockh, parent_mode);
else
- ptlrpc_save_lock (req, parent_lockh, parent_mode);
+ ptlrpc_save_lock(req, &parent_lockh, parent_mode);
}
- if (mea)
- OBD_FREE(mea, mea_size);
+ /* trigger dqacq on the owner of child and parent */
+ lquota_adjust(mds_quota_interface_ref, obd, qcids, qpids, rc,
+ FSFILT_OP_CREATE);
+
+ /* If we have not taken the "open" lock, we may not return 0 here,
+ because caller expects 0 to mean "lock is taken", and it needs
+ nonzero return here for caller to return EDLM_LOCK_ABORTED to
+ client. Later caller should rewrite the return value back to zero
+ if it to be used any further
+ */
RETURN(rc);
}
/* Close a "file descriptor" and possibly unlink an orphan from the
- * PENDING directory. Caller must hold child->i_sem, this drops it.
+ * PENDING directory. Caller must hold child->i_mutex, this drops it.
*
* If we are being called from mds_disconnect() because the client has
* disappeared, then req == NULL and we do not update last_rcvd because
* (it will not even _have_ an entry in last_rcvd anymore).
*
* Returns EAGAIN if the client needs to get more data and re-close. */
-int mds_mfd_close(struct ptlrpc_request *req, int offset,
- struct obd_device *obd, struct mds_file_data *mfd,
- int unlink_orphan)
+int mds_mfd_close(struct ptlrpc_request *req, int offset,struct obd_device *obd,
+ struct mds_file_data *mfd, int unlink_orphan,
+ struct lov_mds_md *lmm, int lmm_size,
+ struct llog_cookie *logcookies, int cookies_size,
+ __u64 *valid)
{
struct inode *inode = mfd->mfd_dentry->d_inode;
- char idname[LL_ID_NAMELEN];
- int last_orphan, idlen, rc = 0, cleanup_phase = 0;
+ char fidname[LL_FID_NAMELEN];
+ int last_orphan, fidlen, rc = 0, cleanup_phase = 0;
struct dentry *pending_child = NULL;
struct mds_obd *mds = &obd->u.mds;
struct inode *pending_dir = mds->mds_pending_dir->d_inode;
void *handle = NULL;
struct mds_body *request_body = NULL, *reply_body = NULL;
- struct dentry_params dp;
+ struct lvfs_dentry_params dp = LVFS_DENTRY_PARAMS_INIT;
struct iattr iattr = { 0 };
- struct llog_create_locks *lcl = NULL;
ENTRY;
if (req && req->rq_reqmsg != NULL)
request_body = lustre_msg_buf(req->rq_reqmsg, offset,
sizeof(*request_body));
if (req && req->rq_repmsg != NULL)
- reply_body = lustre_msg_buf(req->rq_repmsg, 0,
+ reply_body = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF,
sizeof(*reply_body));
- idlen = ll_id2str(idname, inode->i_ino, inode->i_generation);
- CDEBUG(D_INODE, "inode %p ino %s nlink %d orphan %d\n", inode,
- idname, inode->i_nlink, mds_orphan_open_count(inode));
+ fidlen = ll_fid2str(fidname, inode->i_ino, inode->i_generation);
+
+ CDEBUG(D_INODE, "inode %p ino %s nlink %d orphan %d\n", inode, fidname,
+ inode->i_nlink, mds_orphan_open_count(inode));
last_orphan = mds_orphan_open_dec_test(inode) &&
mds_inode_is_orphan(inode);
- UP_WRITE_I_ALLOC_SEM(inode);
+ MDS_UP_WRITE_ORPHAN_SEM(inode);
/* this is half of the actual "close" */
if (mfd->mfd_mode & FMODE_WRITE) {
rc = mds_put_write_access(mds, inode, request_body,
last_orphan && unlink_orphan);
- } else if (mfd->mfd_mode & FMODE_EXEC) {
+ } else if (mfd->mfd_mode & MDS_FMODE_EXEC) {
mds_allow_write_access(inode);
}
if (last_orphan && unlink_orphan) {
- struct lov_mds_md *lmm = NULL;
int stripe_count = 0;
LASSERT(rc == 0); /* mds_put_write_access must have succeeded */
- if (obd->obd_recovering) {
- CDEBUG(D_HA, "not remove orphan %s until recovery"
- " is over\n", idname);
- GOTO(out, rc);
- }
+ CDEBUG(D_HA, "destroying orphan object %s\n", fidname);
- CDEBUG(D_HA, "destroying orphan object %s\n", idname);
-
if ((S_ISREG(inode->i_mode) && inode->i_nlink != 1) ||
(S_ISDIR(inode->i_mode) && inode->i_nlink != 2))
CERROR("found \"orphan\" %s %s with link count %d\n",
S_ISREG(inode->i_mode) ? "file" : "dir",
- idname, inode->i_nlink);
- /*
- * sadly, there is no easy way to save pending_child from
- * mds_reint_unlink() into mfd, so we need to re-lookup, but
- * normally it will still be in the dcache.
- */
- down(&pending_dir->i_sem);
- cleanup_phase = 1; /* up(i_sem) when finished */
- pending_child = lookup_one_len(idname, mds->mds_pending_dir,
- idlen);
+ fidname, inode->i_nlink);
+
+ /* Sadly, there is no easy way to save pending_child from
+ * mds_reint_unlink() into mfd, so we need to re-lookup,
+ * but normally it will still be in the dcache. */
+ LOCK_INODE_MUTEX(pending_dir);
+ cleanup_phase = 1; /* UNLOCK_INODE_MUTEX(pending_dir) when finished */
+ pending_child = lookup_one_len(fidname, mds->mds_pending_dir,
+ fidlen);
if (IS_ERR(pending_child))
GOTO(cleanup, rc = PTR_ERR(pending_child));
LASSERT(pending_child->d_inode != NULL);
cleanup_phase = 2; /* dput(pending_child) when finished */
- if (req != NULL && req->rq_repmsg != NULL) {
- lmm = lustre_msg_buf(req->rq_repmsg, 1, 0);
+ if (S_ISDIR(pending_child->d_inode->i_mode)) {
+ rc = vfs_rmdir(pending_dir, pending_child);
+ if (rc)
+ CERROR("error unlinking orphan dir %s: rc %d\n",
+ fidname,rc);
+ goto out;
+ }
+
+ if (lmm != NULL) {
stripe_count = le32_to_cpu(lmm->lmm_stripe_count);
}
GOTO(cleanup, rc);
}
+ if (lmm != NULL && (*valid & OBD_MD_FLEASIZE) &&
+ mds_log_op_unlink(obd, lmm, lmm_size,
+ logcookies, cookies_size) > 0) {
+ *valid |= OBD_MD_FLCOOKIE;
+ }
+
+ dp.ldp_inum = 0;
+ dp.ldp_ptr = req;
pending_child->d_fsdata = (void *) &dp;
- dp.p_inum = 0;
- dp.p_ptr = req;
- if (S_ISDIR(pending_child->d_inode->i_mode))
- rc = vfs_rmdir(pending_dir, pending_child);
- else
- rc = vfs_unlink(pending_dir, pending_child);
+ rc = vfs_unlink(pending_dir, pending_child);
if (rc)
- CERROR("error unlinking orphan %s: rc %d\n",
- idname, rc);
-
- if (req != NULL && req->rq_repmsg != NULL &&
- (reply_body->valid & OBD_MD_FLEASIZE) &&
- mds_log_op_unlink(obd, pending_child->d_inode,
- lmm, req->rq_repmsg->buflens[1],
- lustre_msg_buf(req->rq_repmsg, 2, 0),
- req->rq_repmsg->buflens[2], &lcl) > 0) {
- reply_body->valid |= OBD_MD_FLCOOKIE;
- }
+ CERROR("error unlinking orphan %s: rc %d\n",fidname,rc);
goto out; /* Don't bother updating attrs on unlinked inode */
}
*/
if (request_body->valid & OBD_MD_FLMTIME &&
- LTIME_S(request_body->mtime) > LTIME_S(inode->i_mtime)) {
- LTIME_S(iattr.ia_mtime) = LTIME_S(request_body->mtime);
+ LTIME_S(iattr.ia_mtime) > LTIME_S(inode->i_mtime)) {
+ LTIME_S(iattr.ia_mtime) = request_body->mtime;
iattr.ia_valid |= ATTR_MTIME;
}
if (request_body->valid & OBD_MD_FLCTIME &&
- LTIME_S(request_body->ctime) > LTIME_S(inode->i_ctime)) {
- LTIME_S(iattr.ia_ctime) = LTIME_S(request_body->ctime);
+ LTIME_S(iattr.ia_ctime) > LTIME_S(inode->i_ctime)) {
+ LTIME_S(iattr.ia_ctime) = request_body->ctime;
iattr.ia_valid |= ATTR_CTIME;
}
iattr.ia_valid |= ATTR_SIZE;
iattr.ia_size = request_body->size;
}
- /* if (request_body->valid & OBD_MD_FLBLOCKS) {
- iattr.ia_valid |= ATTR_BLOCKS;
- iattr.ia_blocks = request_body->blocks
- } */
+ /* iattr.ia_blocks = request_body->blocks */
}
#endif
* it is more out-of-date than the specified limit. If we
* are already going to write out the atime then do it anyway.
* */
- if ((request_body->atime >
- LTIME_S(inode->i_atime) + MAX_ATIME_DIFF) ||
+ LTIME_S(iattr.ia_atime) = request_body->atime;
+ if ((LTIME_S(iattr.ia_atime) >
+ LTIME_S(inode->i_atime) + mds->mds_atime_diff) ||
(iattr.ia_valid != 0 &&
- request_body->atime > LTIME_S(inode->i_atime))) {
- LTIME_S(iattr.ia_atime) = request_body->atime;
+ LTIME_S(iattr.ia_atime) > LTIME_S(inode->i_atime)))
iattr.ia_valid |= ATTR_ATIME;
- }
}
if (iattr.ia_valid != 0) {
handle = fsfilt_start(obd, inode, FSFILT_OP_SETATTR, NULL);
- if (IS_ERR(handle))
- GOTO(cleanup, rc = PTR_ERR(handle));
+ if (IS_ERR(handle)) {
+ rc = PTR_ERR(handle);
+ handle = NULL;
+ GOTO(cleanup, rc);
+ }
rc = fsfilt_setattr(obd, mfd->mfd_dentry, handle, &iattr, 0);
if (rc)
- CERROR("error in setattr(%s): rc %d\n", idname, rc);
+ CERROR("error in setattr(%s): rc %d\n", fidname, rc);
}
out:
/* If other clients have this file open for write, rc will be > 0 */
if (rc > 0)
rc = 0;
l_dput(mfd->mfd_dentry);
- mds_mfd_destroy(mfd);
+ mds_mfd_put(mfd);
cleanup:
if (req != NULL && reply_body != NULL) {
- rc = mds_finish_transno(mds, pending_dir, handle, req, rc, 0);
+ rc = mds_finish_transno(mds, pending_dir, handle, req, rc, 0, 0);
} else if (handle) {
- int err = fsfilt_commit(obd, mds->mds_sb, pending_dir, handle, 0);
+ int err = fsfilt_commit(obd, pending_dir, handle, 0);
if (err) {
CERROR("error committing close: %d\n", err);
if (!rc)
switch (cleanup_phase) {
case 2:
- if (lcl != NULL)
- ptlrpc_save_llog_lock(req, lcl);
dput(pending_child);
case 1:
- up(&pending_dir->i_sem);
+ UNLOCK_INODE_MUTEX(pending_dir);
}
RETURN(rc);
}
struct mds_file_data *mfd;
struct lvfs_run_ctxt saved;
struct inode *inode;
- int rc, repsize[3] = {sizeof(struct mds_body),
- obd->u.mds.mds_max_mdsize,
- obd->u.mds.mds_max_cookiesize};
+ int rc, repsize[4] = { sizeof(struct ptlrpc_body),
+ sizeof(struct mds_body),
+ obd->u.mds.mds_max_mdsize,
+ obd->u.mds.mds_max_cookiesize };
+ struct mds_body *reply_body;
+ struct lov_mds_md *lmm;
+ int lmm_size;
+ struct llog_cookie *logcookies;
+ int cookies_size;
ENTRY;
- MD_COUNTER_INCREMENT(obd, close);
- rc = lustre_pack_reply(req, 3, repsize, NULL);
+ rc = lustre_pack_reply(req, 4, repsize, NULL);
if (rc) {
CERROR("lustre_pack_reply: rc = %d\n", rc);
req->rq_status = rc;
+ /* continue on to drop local open even if we can't send reply */
} else {
MDS_CHECK_RESENT(req, mds_reconstruct_generic(req));
}
- if (lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY) {
- DEBUG_REQ(D_HA, req, "close replay\n");
- memcpy(lustre_msg_buf(req->rq_repmsg, 2, 0),
- lustre_msg_buf(req->rq_reqmsg, offset + 1, 0),
- req->rq_repmsg->buflens[2]);
- }
-
+ CDEBUG(D_HA, "close req->rep_len %d mdsize %d cookiesize %d\n",
+ req->rq_replen,
+ obd->u.mds.mds_max_mdsize, obd->u.mds.mds_max_cookiesize);
+ mds_counter_incr(req->rq_export, LPROC_MDS_CLOSE);
body = lustre_swab_reqbuf(req, offset, sizeof(*body),
lustre_swab_mds_body);
RETURN(-EFAULT);
}
- if (body->flags & MDS_BFLAG_UNCOMMITTED_WRITES)
- /* do some stuff */ ;
-
+ spin_lock(&med->med_open_lock);
mfd = mds_handle2mfd(&body->handle);
if (mfd == NULL) {
+ spin_unlock(&med->med_open_lock);
DEBUG_REQ(D_ERROR, req, "no handle for file close ino "LPD64
- ": cookie "LPX64, body->id1.li_stc.u.e3s.l3s_ino,
- body->handle.cookie);
+ ": cookie "LPX64, body->fid1.id, body->handle.cookie);
req->rq_status = -ESTALE;
RETURN(-ESTALE);
}
+ /* Remove mfd handle so it can't be found again. We consume mfd_list
+ * reference here, but still have mds_handle2mfd ref until mfd_close. */
+ mds_mfd_unlink(mfd, 1);
+ spin_unlock(&med->med_open_lock);
inode = mfd->mfd_dentry->d_inode;
- /* child i_alloc_sem protects orphan_dec_test && is_orphan race */
- DOWN_WRITE_I_ALLOC_SEM(inode); /* mds_mfd_close drops this */
+ /* child orphan sem protects orphan_dec_test && is_orphan race */
+ MDS_DOWN_WRITE_ORPHAN_SEM(inode); /* mds_mfd_close drops this */
if (mds_inode_is_orphan(inode) && mds_orphan_open_count(inode) == 1) {
- body = lustre_msg_buf(req->rq_repmsg, 0, sizeof (*body));
+ body = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF,
+ sizeof(*body));
LASSERT(body != NULL);
- mds_pack_inode2body(obd, body, inode, 0);
- mds_pack_md(obd, req->rq_repmsg, 1, body, inode, MDS_PACK_MD_LOCK);
+ mds_pack_inode2fid(&body->fid1, inode);
+ mds_pack_inode2body(body, inode);
+ mds_pack_md(obd, req->rq_repmsg, REPLY_REC_OFF + 1, body, inode,
+ MDS_PACK_MD_LOCK);
}
- spin_lock(&med->med_open_lock);
- list_del(&mfd->mfd_list);
- spin_unlock(&med->med_open_lock);
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- req->rq_status = mds_mfd_close(req, offset, obd, mfd, 1);
+ reply_body = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF, sizeof(*reply_body));
+ lmm = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF + 1, 0);
+ lmm_size = lustre_msg_buflen(req->rq_repmsg, REPLY_REC_OFF + 1),
+ logcookies = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF + 2, 0);
+ cookies_size = lustre_msg_buflen(req->rq_repmsg, REPLY_REC_OFF + 2);
+ req->rq_status = mds_mfd_close(req, offset, obd, mfd, 1,
+ lmm, lmm_size, logcookies, cookies_size,
+ &reply_body->valid);
pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
+ mds_shrink_reply(obd, req, body, REPLY_REC_OFF + 1);
if (OBD_FAIL_CHECK(OBD_FAIL_MDS_CLOSE_PACK)) {
CERROR("test case OBD_FAIL_MDS_CLOSE_PACK\n");
req->rq_status = -ENOMEM;
- mds_mfd_put(mfd);
RETURN(-ENOMEM);
}
- mds_mfd_put(mfd);
- RETURN(0);
+ RETURN(rc);
}
int mds_done_writing(struct ptlrpc_request *req, int offset)
{
struct mds_body *body;
- int rc, size = sizeof(struct mds_body);
+ int rc, size[2] = { sizeof(struct ptlrpc_body),
+ sizeof(struct mds_body) };
ENTRY;
MDS_CHECK_RESENT(req, mds_reconstruct_generic(req));
RETURN(-EFAULT);
}
- rc = lustre_pack_reply(req, 1, &size, NULL);
+ rc = lustre_pack_reply(req, 2, size, NULL);
if (rc) {
CERROR("lustre_pack_reply: rc = %d\n", rc);
req->rq_status = rc;
git://git.whamcloud.com / fs / lustre-release.git / blobdiff