#endif
#define DEBUG_SUBSYSTEM S_MDS
+#include <linux/version.h>
#include <linux/module.h>
#include <linux/init.h>
+#include <linux/version.h>
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
# include <linux/buffer_head.h>
# include <linux/workqueue.h>
* mds_mfd_close - for force closing files when a client dies
*/
-/*
+/*
* MDS file data handling: file data holds a handle for a file opened
* by a client.
*/
iput(inode);
}
-/* Write access to a file: executors cause a negative count,
+/* Write access to a file: executors cause a negative count,
* writers a positive count. The semaphore is needed to perform
* a check for the sign and then increment or decrement atomically.
*
struct mds_body *body;
int error;
ENTRY;
-
+
mfd = mds_mfd_new();
if (mfd == NULL) {
CERROR("mds: out of memory\n");
}
/* replay case */
- if (rec->ur_fid2->id) {
+ if(lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY) {
+ LASSERT (rec->ur_fid2->id);
body->valid |= OBD_MD_FLBLKSZ | OBD_MD_FLEASIZE;
lmm_size = rec->ur_eadatalen;
lmm = rec->ur_eadata;
RETURN(0);
}
+
+ if (OBD_FAIL_CHECK_ONCE(OBD_FAIL_MDS_ALLOC_OBDO))
+ GOTO(out_ids, rc = -ENOMEM);
+
oa = obdo_alloc();
if (oa == NULL)
GOTO(out_ids, rc = -ENOMEM);
obdo_from_inode(oa, inode, OBD_MD_FLTYPE|OBD_MD_FLATIME|OBD_MD_FLMTIME|
OBD_MD_FLCTIME);
- /* check if things like lstripe/lfs stripe are sending us the ea */
- if (rec->ur_flags & MDS_OPEN_HAS_EA) {
- rc = obd_iocontrol(OBD_IOC_LOV_SETSTRIPE, mds->mds_osc_exp,
+ if (!(rec->ur_flags & MDS_OPEN_HAS_OBJS)) {
+ /* check if things like lstripe/lfs stripe are sending us the ea */
+ if (rec->ur_flags & MDS_OPEN_HAS_EA) {
+ rc = obd_iocontrol(OBD_IOC_LOV_SETSTRIPE,
+ mds->mds_osc_exp,
+ 0, &lsm, rec->ur_eadata);
+ if (rc)
+ GOTO(out_oa, rc);
+ }
+ rc = obd_create(mds->mds_osc_exp, oa, &lsm, &oti);
+ if (rc) {
+ int level = D_ERROR;
+ if (rc == -ENOSPC)
+ level = D_INODE;
+ CDEBUG(level, "error creating objects for "
+ "inode %lu: rc = %d\n",
+ inode->i_ino, rc);
+ if (rc > 0) {
+ CERROR("obd_create returned invalid "
+ "rc %d\n", rc);
+ rc = -EIO;
+ }
+ GOTO(out_oa, rc);
+ }
+ } else {
+ rc = obd_iocontrol(OBD_IOC_LOV_SETEA, mds->mds_osc_exp,
0, &lsm, rec->ur_eadata);
- if (rc)
+ if (rc) {
GOTO(out_oa, rc);
- }
-
- rc = obd_create(mds->mds_osc_exp, oa, &lsm, &oti);
- if (rc) {
- int level = D_ERROR;
- if (rc == -ENOSPC)
- level = D_INODE;
- CDEBUG(level, "error creating objects for inode %lu: rc = %d\n",
- inode->i_ino, rc);
- if (rc > 0) {
- CERROR("obd_create returned invalid rc %d\n", rc);
- rc = -EIO;
}
- GOTO(out_oa, rc);
+ lsm->lsm_object_id = oa->o_id;
}
-
if (inode->i_size) {
oa->o_size = inode->i_size;
obdo_from_inode(oa, inode, OBD_MD_FLTYPE|OBD_MD_FLATIME|
struct ptlrpc_request *req,
struct lustre_handle *child_lockh)
{
- struct ptlrpc_request *oldreq = req->rq_export->exp_outstanding_reply;
struct mds_export_data *med = &req->rq_export->exp_mds_data;
struct mds_client_data *mcd = med->med_mcd;
struct mds_obd *mds = mds_req2mds(req);
mfd = NULL;
}
- if (oldreq != NULL) {
- /* if we're not recovering, it had better be found */
- LASSERT(mfd != NULL);
- } else if (mfd == NULL) {
+#warning "XXX fixme"
+ /* 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) {
mntget(mds->mds_vfsmnt);
CERROR("Re-opened file \n");
mfd = mds_dentry_open(child, mds->mds_vfsmnt,
struct obd_device *obd = req->rq_export->exp_obd;
struct mds_file_data *mfd = NULL;
obd_id *ids = NULL; /* object IDs created */
- int rc;
+ int rc = 0;
ENTRY;
/* atomically create objects if necessary */
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)
+ // mds_mfd_destroy(mfd);
RETURN(rc);
}
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 = { inode->i_ino } };
+ struct ldlm_res_id child_res_id = { .name = { inode->i_ino, 0, 1, 0 } };
struct lustre_handle lockh;
int lock_flags = 0;
int rc;
if (child_lockh == NULL)
child_lockh = &lockh;
- rc = ldlm_cli_enqueue(NULL, NULL, obd->obd_namespace, NULL,
- child_res_id, LDLM_PLAIN, NULL, 0,
- LCK_EX, &lock_flags, ldlm_completion_ast,
- mds_blocking_ast, NULL, child_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);
if (rc != ELDLM_OK)
CERROR("ldlm_cli_enqueue: %d\n", rc);
else if (child_lockh == &lockh)
ldlm_lock_decref(child_lockh, LCK_EX);
- return rc;
+ RETURN(rc);
}
int mds_open(struct mds_update_record *rec, int offset,
/* 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). */
- if (rec->ur_fid2->id) {
+ if (lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY) {
+ DEBUG_REQ(D_HA, req, "open replay, disp: "LPX64"\n",
+ rep->lock_policy_res1);
+
+ LASSERT(rec->ur_fid2->id);
+
rc = mds_open_by_fid(req, rec->ur_fid2, body, rec->ur_flags,
rec, rep);
- if (rc != -ENOENT)
+ 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(!rec->ur_fid2->id);
}
+
LASSERT(offset == 2); /* If we got here, we must be called via intent */
med = &req->rq_export->exp_mds_data;
/* Step 2: Lookup the child */
dchild = ll_lookup_one_len(rec->ur_name, dparent, rec->ur_namelen - 1);
- if (IS_ERR(dchild))
- GOTO(cleanup, rc = PTR_ERR(dchild));
+ if (IS_ERR(dchild)) {
+ rc = PTR_ERR(dchild);
+ dchild = NULL; /* don't confuse mds_finish_transno() below */
+ GOTO(cleanup, rc);
+ }
cleanup_phase = 2; /* child dentry */
if ((rec->ur_flags & MDS_OPEN_DIRECTORY) &&
!S_ISDIR(dchild->d_inode->i_mode))
GOTO(cleanup, rc = -ENOTDIR);
+
+ if (S_ISDIR(dchild->d_inode->i_mode)) {
+ if (rec->ur_flags & MDS_OPEN_CREAT || rec->ur_flags & FMODE_WRITE) {
+ /*we are tryying to create or write a exist dir*/
+ GOTO(cleanup, rc = -EISDIR);
+ }
+ if (ll_permission(dchild->d_inode, acc_mode, NULL)) {
+ GOTO(cleanup, rc = -EACCES);
+ }
+ }
/* Step 5: mds_open it */
rc = mds_finish_open(req, dchild, body, rec->ur_flags, &handle, rec,
cleanup:
rc = mds_finish_transno(mds, dchild ? dchild->d_inode : NULL, handle,
req, rc, rep ? rep->lock_policy_res1 : 0);
- /* XXX what do we do here if mds_finish_transno itself failed? */
- if (created)
- mds_lock_new_child(obd, dchild->d_inode, NULL);
switch (cleanup_phase) {
case 2:
dchild->d_name.len, dchild->d_name.name,
err);
}
+ } else if (created) {
+ mds_lock_new_child(obd, dchild->d_inode, NULL);
}
l_dput(dchild);
case 1:
if (rc)
ldlm_lock_decref(&parent_lockh, parent_mode);
else
- ldlm_put_lock_into_req(req, &parent_lockh, parent_mode);
+ ptlrpc_save_lock (req, &parent_lockh, parent_mode);
}
if (rc == 0)
atomic_inc(&mds->mds_open_count);
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, *reply_body;
+ struct mds_body *request_body = NULL, *reply_body = NULL;
struct dentry_params dp;
ENTRY;
if (last_orphan && unlink_orphan) {
LASSERT(rc == 0); /* mds_put_write_access must have succeeded */
- CWARN("destroying orphan object %s\n", fidname);
+ CDEBUG(D_HA, "destroying orphan object %s\n", fidname);
/* Sadly, there is no easy way to save pending_child from
* mds_reint_unlink() into mfd, so we need to re-lookup,
GOTO(cleanup, rc);
}
-#ifdef ENABLE_ORPHANS
if (req != NULL &&
(reply_body->valid & OBD_MD_FLEASIZE) &&
mds_log_op_unlink(obd, pending_child->d_inode,
- req->rq_repmsg, 1) > 0) {
+ lustre_msg_buf(req->rq_repmsg, 1, 0),
+ req->rq_repmsg->buflens[1],
+ lustre_msg_buf(req->rq_repmsg, 2, 0),
+ req->rq_repmsg->buflens[2]) > 0) {
reply_body->valid |= OBD_MD_FLCOOKIE;
}
-#endif
+
pending_child->d_fsdata = (void *) &dp;
dp.p_inum = 0;
dp.p_ptr = req;
CERROR("error in setattr(%s): rc %d\n", fidname, rc);
#endif
}
+ /* 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);
obd->u.mds.mds_max_cookiesize};
ENTRY;
- MDS_CHECK_RESENT(req, mds_reconstruct_generic(req));
+ rc = lustre_pack_reply(req, 3, repsize, NULL);
+ if (rc) {
+ CERROR("lustre_pack_reply: rc = %d\n", rc);
+ req->rq_status = rc;
+ } else {
+ MDS_CHECK_RESENT(req, mds_reconstruct_generic(req));
+ }
body = lustre_swab_reqbuf(req, 0, sizeof(*body), lustre_swab_mds_body);
if (body == NULL) {
RETURN(-ESTALE);
}
- rc = lustre_pack_reply(req, 3, repsize, NULL);
- if (rc) {
- CERROR("lustre_pack_reply: rc = %d\n", rc);
- req->rq_status = rc;
- }
-
inode = mfd->mfd_dentry->d_inode;
if (mds_inode_is_orphan(inode) && mds_open_orphan_count(inode) == 1) {
body = lustre_msg_buf(req->rq_repmsg, 0, sizeof (*body));
git://git.whamcloud.com / fs / lustre-release.git / blobdiff