*
* Lustre Light name resolution
*
- * Copyright (c) 2002, 2003 Cluster File Systems, Inc.
+ * Copyright (c) 2002-2004 Cluster File Systems, Inc.
*
* This file is part of Lustre, http://www.lustre.org.
*
#include <sys/fcntl.h>
#include <sys/queue.h>
+#ifdef HAVE_XTIO_H
+#include <xtio.h>
+#endif
#include <sysio.h>
#include <fs.h>
#include <mount.h>
#include <inode.h>
+#ifdef HAVE_FILE_H
#include <file.h>
+#endif
#undef LIST_HEAD
{
struct lustre_handle *handle;
- if (it->it_op && it->d.lustre.it_lock_mode) {
- handle = (struct lustre_handle *)&it->d.lustre.it_lock_handle;
+ if (it->it_op && LUSTRE_IT(it)->it_lock_mode) {
+ handle = (struct lustre_handle *)&LUSTRE_IT(it)->it_lock_handle;
CDEBUG(D_DLMTRACE, "releasing lock with cookie "LPX64
" from it %p\n", handle->cookie, it);
- ldlm_lock_decref(handle, it->d.lustre.it_lock_mode);
+ ldlm_lock_decref(handle, LUSTRE_IT(it)->it_lock_mode);
/* bug 494: intent_release may be called multiple times, from
* this thread and we don't want to double-decref this lock */
- it->d.lustre.it_lock_mode = 0;
+ LUSTRE_IT(it)->it_lock_mode = 0;
}
}
ll_intent_drop_lock(it);
it->it_magic = 0;
it->it_op_release = 0;
- it->d.lustre.it_disposition = 0;
- it->d.lustre.it_data = NULL;
+ LUSTRE_IT(it)->it_disposition = 0;
+ LUSTRE_IT(it)->it_data = NULL;
EXIT;
}
+#if 0
/*
* remove the stale inode from pnode
*/
EXIT;
return;
}
+#endif
void llu_lookup_finish_locks(struct lookup_intent *it, struct pnode *pnode)
{
CDEBUG(D_DLMTRACE, "setting l_data to inode %p (%lu/%lu)\n",
inode, llu_i2info(inode)->lli_st_ino,
llu_i2info(inode)->lli_st_generation);
- mdc_set_lock_data(NULL, &it->d.lustre.it_lock_handle, inode);
+ mdc_set_lock_data(NULL, &LUSTRE_IT(it)->it_lock_handle, inode);
}
/* drop lookup/getattr locks */
if (inode == NULL)
break;
- lli = llu_i2info(inode);
+ lli = llu_i2info(inode);
if (bits & MDS_INODELOCK_UPDATE)
clear_bit(LLI_F_HAVE_MDS_SIZE_LOCK, &lli->lli_flags);
- if (lock->l_resource->lr_name.name[0] != lli->lli_st_ino ||
- lock->l_resource->lr_name.name[1] != lli->lli_st_generation) {
- LDLM_ERROR(lock, "data mismatch with ino %lu/%lu",
- lli->lli_st_ino, lli->lli_st_generation);
+ if (lock->l_resource->lr_name.name[0] != id_fid(&lli->lli_id) ||
+ lock->l_resource->lr_name.name[1] != id_group(&lli->lli_id)) {
+ LDLM_ERROR(lock, "data mismatch with object "DLID4,
+ OLID4(&lli->lli_id));
}
if (S_ISDIR(lli->lli_st_mode) &&
(bits & MDS_INODELOCK_UPDATE)) {
llu_invalidate_inode_pages(inode);
}
-/*
- if (inode->i_sb->s_root &&
- inode != inode->i_sb->s_root->d_inode)
- ll_unhash_aliases(inode);
-*/
I_RELE(inode);
break;
}
if (it_disposition(it, DISP_LOOKUP_NEG))
RETURN(-ENOENT);
- rc = mdc_req2lustre_md(llu_i2sbi(inode)->ll_mdc_exp, req, offset,
- llu_i2sbi(inode)->ll_osc_exp, &md);
+ rc = mdc_req2lustre_md(llu_i2sbi(inode)->ll_md_exp, req, offset,
+ llu_i2sbi(inode)->ll_dt_exp, &md);
if (rc)
RETURN(rc);
int llu_pb_revalidate(struct pnode *pnode, int flags, struct lookup_intent *it)
{
struct pnode_base *pb = pnode->p_base;
- struct ll_fid pfid, cfid;
+ struct lustre_id pid, cid;
struct it_cb_data icbd;
- struct ll_uctxt ctxt;
struct ptlrpc_request *req = NULL;
struct lookup_intent lookup_it = { .it_op = IT_LOOKUP };
struct obd_export *exp;
int rc;
ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:name=%s,intent=%x\n",
- pb->pb_name.name, it ? it->it_op : 0);
+ CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,intent=%x\n",
+ (int)pb->pb_name.len, pb->pb_name.name, it ? it->it_op : 0);
/* We don't want to cache negative dentries, so return 0 immediately.
* We believe that this is safe, that negative dentries cannot be
RETURN(0);
}
- /* check stale inode */
- if (llu_i2info(pb->pb_ino)->lli_stale_flag)
- unhook_stale_inode(pnode);
-
- /* check again because unhook_stale_inode() might generate
- * negative pnode */
- if (pb->pb_ino == NULL) {
- CDEBUG(D_INODE, "negative pb\n");
- RETURN(0);
- }
-
/* This is due to bad interaction with libsysio. remove this when we
* switched to libbsdio XXX
*/
}
}
- exp = llu_i2mdcexp(pb->pb_ino);
- ll_inode2fid(&pfid, pnode->p_parent->p_base->pb_ino);
- ll_inode2fid(&cfid, pb->pb_ino);
+ exp = llu_i2mdexp(pb->pb_ino);
+ ll_inode2id(&pid, pnode->p_parent->p_base->pb_ino);
+ ll_inode2id(&cid, pb->pb_ino);
icbd.icbd_parent = pnode->p_parent->p_base->pb_ino;
icbd.icbd_child = pnode;
it->it_op_release = ll_intent_release;
}
- ll_i2uctxt(&ctxt, pnode->p_parent->p_base->pb_ino, pb->pb_ino);
-
- rc = mdc_intent_lock(exp, &ctxt, &pfid,
- pb->pb_name.name, pb->pb_name.len,
- NULL, 0, &cfid, it, flags, &req,
- llu_mdc_blocking_ast);
+ rc = mdc_intent_lock(exp, &pid, pb->pb_name.name, pb->pb_name.len,
+ NULL, 0, &cid, it, flags, &req, llu_mdc_blocking_ast);
/* If req is NULL, then mdc_intent_lock only tried to do a lock match;
* if all was well, it will return 1 if it found locks, 0 otherwise. */
if (req == NULL && rc >= 0)
pb->pb_ino = NULL;
} else {
llu_lookup_finish_locks(it, pnode);
- llu_i2info(pb->pb_ino)->lli_stale_flag = 0;
}
RETURN(rc);
}
struct inode *inode = NULL;
int rc;
+ /* libsysio require us generate inode right away if success.
+ * so if mds created new inode for us we need make sure it
+ * succeeded. thus for any error we can't delay to the
+ * llu_file_open() time. */
+ if (it_disposition(it, DISP_OPEN_CREATE) &&
+ it_open_error(DISP_OPEN_CREATE, it)) {
+ CDEBUG(D_INODE, "detect mds create error\n");
+ return it_open_error(DISP_OPEN_CREATE, it);
+ }
+ if (it_disposition(it, DISP_OPEN_OPEN) &&
+ it_open_error(DISP_OPEN_OPEN, it)) {
+ CDEBUG(D_INODE, "detect mds open error\n");
+ /* undo which did by mdc_intent_lock */
+ if (it_disposition(it, DISP_OPEN_CREATE) &&
+ !it_open_error(DISP_OPEN_CREATE, it)) {
+ LASSERT(request);
+ LASSERT(atomic_read(&request->rq_refcount) > 1);
+ CDEBUG(D_INODE, "dec a ref of req %p\n", request);
+ ptlrpc_req_finished(request);
+ }
+ return it_open_error(DISP_OPEN_OPEN, it);
+ }
+
/* NB 1 request reference will be taken away by ll_intent_lock()
* when I return
*/
- /* FIXME: for CREAT, libsysio require the inode must be generated here
- * currently here we don't know the whether the create is successful
- * or failed on mds. thus blinded return -EPERM in llu_iget(). need
- * a fix later.
- */
- if ((it->it_op & IT_CREAT) || !it_disposition(it, DISP_LOOKUP_NEG)) {
+ if (!it_disposition(it, DISP_LOOKUP_NEG) ||
+ (it->it_op & IT_CREAT)) {
struct lustre_md md;
struct llu_inode_info *lli;
ENTRY;
- rc = mdc_req2lustre_md(sbi->ll_mdc_exp, request, offset,
- sbi->ll_osc_exp, &md);
+ rc = mdc_req2lustre_md(sbi->ll_md_exp, request, offset,
+ sbi->ll_dt_exp, &md);
if (rc)
RETURN(rc);
if (!inode || IS_ERR(inode)) {
/* free the lsm if we allocated one above */
if (md.lsm != NULL)
- obd_free_memmd(sbi->ll_osc_exp, &md.lsm);
+ obd_free_memmd(sbi->ll_dt_exp, &md.lsm);
RETURN(inode ? PTR_ERR(inode) : -ENOMEM);
} else if (md.lsm != NULL &&
llu_i2info(inode)->lli_smd != md.lsm) {
- obd_free_memmd(sbi->ll_osc_exp, &md.lsm);
+ obd_free_memmd(sbi->ll_dt_exp, &md.lsm);
}
lli = llu_i2info(inode);
if (it->it_op == IT_GETATTR && S_ISREG(lli->lli_st_mode) &&
lli->lli_smd != NULL) {
struct lov_stripe_md *lsm = lli->lli_smd;
- struct ost_lvb lvb;
ldlm_error_t rc;
LASSERT(lsm->lsm_object_id != 0);
/* bug 2334: drop MDS lock before acquiring OST lock */
ll_intent_drop_lock(it);
- rc = llu_glimpse_size(inode, &lvb);
+ rc = llu_glimpse_size(inode);
if (rc) {
I_RELE(inode);
RETURN(rc);
}
- lli->lli_st_size = lvb.lvb_size;
}
} else {
ENTRY;
LL_SAVE_INTENT(inode, it);
child->p_base->pb_ino = inode;
-
RETURN(0);
}
struct inode *llu_inode_from_lock(struct ldlm_lock *lock)
{
struct inode *inode;
- l_lock(&lock->l_resource->lr_namespace->ns_lock);
+#warning "fix l_lock() using here!"
+// l_lock(&lock->l_resource->lr_namespace->ns_lock);
if (lock->l_ast_data) {
inode = (struct inode *)lock->l_ast_data;
} else
inode = NULL;
- l_unlock(&lock->l_resource->lr_namespace->ns_lock);
+// l_unlock(&lock->l_resource->lr_namespace->ns_lock);
return inode;
}
static int llu_lookup_it(struct inode *parent, struct pnode *pnode,
struct lookup_intent *it, int flags)
{
- struct ll_fid pfid;
- struct ll_uctxt ctxt;
+ struct lustre_id pid;
struct it_cb_data icbd;
struct ptlrpc_request *req = NULL;
struct lookup_intent lookup_it = { .it_op = IT_LOOKUP };
icbd.icbd_child = pnode;
icbd.icbd_parent = parent;
icbd.icbd_child = pnode;
- ll_inode2fid(&pfid, parent);
- ll_i2uctxt(&ctxt, parent, NULL);
+ ll_inode2id(&pid, parent);
- rc = mdc_intent_lock(llu_i2mdcexp(parent), &ctxt, &pfid,
+ rc = mdc_intent_lock(llu_i2mdexp(parent), &pid,
pnode->p_base->pb_name.name,
pnode->p_base->pb_name.len,
NULL, 0, NULL, it, flags, &req,
int rc;
ENTRY;
+ liblustre_wait_event(0);
+
*inop = NULL;
/* the mount root inode have no name, so don't call
RETURN(rc);
}
-
git://git.whamcloud.com / fs / lustre-release.git / blobdiff