#include <linux/lustre_fsfilt.h>
#include <portals/list.h>
+#include <linux/lustre_smfs.h>
#include "mds_internal.h"
/* This limit is arbitrary, but for now we fit it in 1 page (32k clients) */
LBUG();
}
+
+ /* Make sure the server's last_transno is up to date. Do this
+ * after the client is freed so we know all the client's
+ * transactions have been committed. */
+ mds_update_server_data(exp->exp_obd, 1);
+
free_and_out:
OBD_FREE(med->med_mcd, sizeof(*med->med_mcd));
/* These exports are cleaned up by mds_disconnect(), so they
* need to be set up like real exports as mds_connect() does.
*/
- CDEBUG(D_HA, "RCVRNG CLIENT uuid: %s idx: %d lr: "LPU64
- " srv lr: "LPU64"\n", mcd->mcd_uuid, cl_idx,
- last_transno, le64_to_cpu(msd->msd_last_transno));
+ CDEBUG(D_HA|D_WARNING,"RCVRNG CLIENT uuid: %s idx: %d lr: "LPU64
+ " srv lr: "LPU64" lx: "LPU64"\n", mcd->mcd_uuid, cl_idx,
+ last_transno, le64_to_cpu(msd->msd_last_transno),
+ mcd->mcd_last_xid);
exp = class_new_export(obd);
if (exp == NULL)
spin_lock_init(&med->med_open_lock);
mcd = NULL;
+ exp->exp_replay_needed = 1;
obd->obd_recoverable_clients++;
obd->obd_max_recoverable_clients++;
class_export_put(exp);
"last_transno "LPU64"\n", obd->obd_name,
obd->obd_recoverable_clients, mds->mds_last_transno);
obd->obd_next_recovery_transno = obd->obd_last_committed + 1;
- obd->obd_recovering = 1;
+ target_start_recovery_thread(obd, mds_handle);
}
if (mcd)
struct dentry *de = mds_fid2dentry(mds, &mds->mds_rootfid, NULL);
int rc = 0;
- rc = fsfilt_post_setup(obd);
+ rc = fsfilt_post_setup(obd, de);
if (rc)
GOTO(out, rc);
- fsfilt_set_kml_flags(obd, de->d_inode);
- fsfilt_set_kml_flags(obd, mds->mds_pending_dir->d_inode);
-
+ fsfilt_set_fs_flags(obd, de->d_inode,
+ SM_DO_REC | SM_DO_COW);
+ fsfilt_set_fs_flags(obd, mds->mds_pending_dir->d_inode,
+ SM_DO_REC | SM_DO_COW);
fsfilt_set_mds_flags(obd, mds->mds_sb);
out:
l_dput(de);
}
mds->mds_fids_dir = dentry;
+ dentry = simple_mkdir(current->fs->pwd, "UNNAMED", 0777, 1);
+ if (IS_ERR(dentry)) {
+ rc = PTR_ERR(dentry);
+ CERROR("cannot create UNNAMED directory: rc = %d\n", rc);
+ GOTO(err_unnamed, rc);
+ }
+ mds->mds_unnamed_dir = dentry;
+
/* open and test the last rcvd file */
file = filp_open(LAST_RCVD, O_RDWR | O_CREAT, 0644);
if (IS_ERR(file)) {
err_last_rcvd:
if (mds->mds_rcvd_filp && filp_close(mds->mds_rcvd_filp, 0))
CERROR("can't close %s after error\n", LAST_RCVD);
+err_unnamed:
+ dput(mds->mds_unnamed_dir);
err_fids:
dput(mds->mds_fids_dir);
err_objects:
if (rc)
CERROR("%s file won't close, rc=%d\n", LOV_OBJID, rc);
}
+ if (mds->mds_unnamed_dir != NULL) {
+ l_dput(mds->mds_unnamed_dir);
+ mds->mds_unnamed_dir = NULL;
+ }
if (mds->mds_fids_dir != NULL) {
l_dput(mds->mds_fids_dir);
mds->mds_fids_dir = NULL;
{
struct mds_obd *mds = &exp->exp_obd->u.mds;
struct inode *parent_inode = mds->mds_objects_dir->d_inode;
- unsigned int tmpname = ll_insecure_random_int();
struct file *filp;
- struct dentry *new_child;
+ struct dentry *dchild;
struct lvfs_run_ctxt saved;
char fidname[LL_FID_NAMELEN];
void *handle;
ENTRY;
push_ctxt(&saved, &exp->exp_obd->obd_lvfs_ctxt, NULL);
-
- sprintf(fidname, "OBJECTS/%u", tmpname);
+ down(&parent_inode->i_sem);
+ if (oa->o_id) {
+ namelen = ll_fid2str(fidname, oa->o_id, oa->o_generation);
+
+ dchild = lookup_one_len(fidname, mds->mds_objects_dir, namelen);
+ if (IS_ERR(dchild))
+ GOTO(out_pop, rc = PTR_ERR(dchild));
+
+ if (dchild->d_inode == NULL) {
+ struct dentry_params dp;
+ struct inode *inode;
+
+ CWARN("creating log with ID "LPU64"\n", oa->o_id);
+
+ dchild->d_fsdata = (void *) &dp;
+ dp.p_ptr = NULL;
+ dp.p_inum = oa->o_id;
+ rc = ll_vfs_create(parent_inode, dchild, S_IFREG, NULL);
+ if (dchild->d_fsdata == (void *)(unsigned long)oa->o_id)
+ dchild->d_fsdata = NULL;
+ if (rc) {
+ CDEBUG(D_INODE, "err during create: %d\n", rc);
+ dput(dchild);
+ GOTO(out_pop, rc);
+ }
+ inode = dchild->d_inode;
+ LASSERT(inode->i_ino == oa->o_id);
+ inode->i_generation = oa->o_generation;
+ CDEBUG(D_HA, "recreated ino %lu with gen %u\n",
+ inode->i_ino, inode->i_generation);
+ mark_inode_dirty(inode);
+ } else {
+ CWARN("it should be here!\n");
+ }
+ GOTO(out_pop, rc);
+ }
+
+ sprintf(fidname, "OBJECTS/%u.%u",ll_insecure_random_int(),current->pid);
filp = filp_open(fidname, O_CREAT | O_EXCL, 0644);
if (IS_ERR(filp)) {
rc = PTR_ERR(filp);
if (rc == -EEXIST) {
- CERROR("impossible object name collision %u\n",
- tmpname);
+ CERROR("impossible object name collision %s\n",
+ fidname);
LBUG();
}
- CERROR("error creating tmp object %u: rc %d\n", tmpname, rc);
+ CERROR("error creating tmp object %s: rc %d\n", fidname, rc);
GOTO(out_pop, rc);
}
oa->o_id = filp->f_dentry->d_inode->i_ino;
oa->o_generation = filp->f_dentry->d_inode->i_generation;
namelen = ll_fid2str(fidname, oa->o_id, oa->o_generation);
+ CWARN("created log anonymous "LPU64"/%u\n", oa->o_id, oa->o_generation);
- down(&parent_inode->i_sem);
- new_child = lookup_one_len(fidname, mds->mds_objects_dir, namelen);
+ dchild = lookup_one_len(fidname, mds->mds_objects_dir, namelen);
- if (IS_ERR(new_child)) {
+ if (IS_ERR(dchild)) {
CERROR("getting neg dentry for obj rename: %d\n", rc);
- GOTO(out_close, rc = PTR_ERR(new_child));
+ GOTO(out_close, rc = PTR_ERR(dchild));
}
- if (new_child->d_inode != NULL) {
+ if (dchild->d_inode != NULL) {
CERROR("impossible non-negative obj dentry " LPU64":%u!\n",
oa->o_id, oa->o_generation);
LBUG();
lock_kernel();
rc = vfs_rename(mds->mds_objects_dir->d_inode, filp->f_dentry,
- mds->mds_objects_dir->d_inode, new_child);
+ mds->mds_objects_dir->d_inode, dchild);
unlock_kernel();
if (rc)
CERROR("error renaming new object "LPU64":%u: rc %d\n",
if (!err) {
oa->o_gr = FILTER_GROUP_FIRST_MDS + mds->mds_num;
oa->o_valid |= OBD_MD_FLID | OBD_MD_FLGENER | OBD_MD_FLGROUP;
- }
- else if (!rc)
+ } else if (!rc)
rc = err;
out_dput:
- dput(new_child);
+ dput(dchild);
out_close:
- up(&parent_inode->i_sem);
err = filp_close(filp, 0);
if (err) {
- CERROR("closing tmpfile %u: rc %d\n", tmpname, rc);
+ CERROR("closing tmpfile %s: rc %d\n", fidname, rc);
if (!rc)
rc = err;
}
out_pop:
+ up(&parent_inode->i_sem);
pop_ctxt(&saved, &exp->exp_obd->obd_lvfs_ctxt, NULL);
RETURN(rc);
}