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authorPatrick McHardy <kaber@trash.net>2013-03-31 18:10:34 +0200
committerPatrick McHardy <kaber@trash.net>2013-03-31 18:10:34 +0200
commit70711d223510ba1773cfe1d7770a56141c815ff8 (patch)
tree4a71f38a3a554ddecaa31b7d8c6bc49b7d1705b4 /fs/dlm/lockspace.c
parentd53b4ed072d9779cdf53582c46436dec06d0961f (diff)
parent19f949f52599ba7c3f67a5897ac6be14bfcb1200 (diff)
Merge tag 'v3.8' of /home/kaber/src/repos/linux
Linux 3.8 Signed-off-by: Patrick McHardy <kaber@trash.net> Conflicts: include/linux/Kbuild include/linux/netlink.h
Diffstat (limited to 'fs/dlm/lockspace.c')
-rw-r--r--fs/dlm/lockspace.c60
1 files changed, 34 insertions, 26 deletions
diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c
index ca506abbdd3..2e99fb0c973 100644
--- a/fs/dlm/lockspace.c
+++ b/fs/dlm/lockspace.c
@@ -506,20 +506,18 @@ static int new_lockspace(const char *name, const char *cluster,
spin_lock_init(&ls->ls_rsbtbl[i].lock);
}
- idr_init(&ls->ls_lkbidr);
- spin_lock_init(&ls->ls_lkbidr_spin);
-
- size = dlm_config.ci_dirtbl_size;
- ls->ls_dirtbl_size = size;
+ spin_lock_init(&ls->ls_remove_spin);
- ls->ls_dirtbl = vmalloc(sizeof(struct dlm_dirtable) * size);
- if (!ls->ls_dirtbl)
- goto out_lkbfree;
- for (i = 0; i < size; i++) {
- INIT_LIST_HEAD(&ls->ls_dirtbl[i].list);
- spin_lock_init(&ls->ls_dirtbl[i].lock);
+ for (i = 0; i < DLM_REMOVE_NAMES_MAX; i++) {
+ ls->ls_remove_names[i] = kzalloc(DLM_RESNAME_MAXLEN+1,
+ GFP_KERNEL);
+ if (!ls->ls_remove_names[i])
+ goto out_rsbtbl;
}
+ idr_init(&ls->ls_lkbidr);
+ spin_lock_init(&ls->ls_lkbidr_spin);
+
INIT_LIST_HEAD(&ls->ls_waiters);
mutex_init(&ls->ls_waiters_mutex);
INIT_LIST_HEAD(&ls->ls_orphans);
@@ -567,7 +565,7 @@ static int new_lockspace(const char *name, const char *cluster,
ls->ls_recover_buf = kmalloc(dlm_config.ci_buffer_size, GFP_NOFS);
if (!ls->ls_recover_buf)
- goto out_dirfree;
+ goto out_lkbidr;
ls->ls_slot = 0;
ls->ls_num_slots = 0;
@@ -576,14 +574,14 @@ static int new_lockspace(const char *name, const char *cluster,
INIT_LIST_HEAD(&ls->ls_recover_list);
spin_lock_init(&ls->ls_recover_list_lock);
+ idr_init(&ls->ls_recover_idr);
+ spin_lock_init(&ls->ls_recover_idr_lock);
ls->ls_recover_list_count = 0;
ls->ls_local_handle = ls;
init_waitqueue_head(&ls->ls_wait_general);
INIT_LIST_HEAD(&ls->ls_root_list);
init_rwsem(&ls->ls_root_sem);
- down_write(&ls->ls_in_recovery);
-
spin_lock(&lslist_lock);
ls->ls_create_count = 1;
list_add(&ls->ls_list, &lslist);
@@ -597,13 +595,24 @@ static int new_lockspace(const char *name, const char *cluster,
}
}
- /* needs to find ls in lslist */
+ init_waitqueue_head(&ls->ls_recover_lock_wait);
+
+ /*
+ * Once started, dlm_recoverd first looks for ls in lslist, then
+ * initializes ls_in_recovery as locked in "down" mode. We need
+ * to wait for the wakeup from dlm_recoverd because in_recovery
+ * has to start out in down mode.
+ */
+
error = dlm_recoverd_start(ls);
if (error) {
log_error(ls, "can't start dlm_recoverd %d", error);
goto out_callback;
}
+ wait_event(ls->ls_recover_lock_wait,
+ test_bit(LSFL_RECOVER_LOCK, &ls->ls_flags));
+
ls->ls_kobj.kset = dlm_kset;
error = kobject_init_and_add(&ls->ls_kobj, &dlm_ktype, NULL,
"%s", ls->ls_name);
@@ -647,11 +656,15 @@ static int new_lockspace(const char *name, const char *cluster,
spin_lock(&lslist_lock);
list_del(&ls->ls_list);
spin_unlock(&lslist_lock);
+ idr_destroy(&ls->ls_recover_idr);
kfree(ls->ls_recover_buf);
- out_dirfree:
- vfree(ls->ls_dirtbl);
- out_lkbfree:
+ out_lkbidr:
idr_destroy(&ls->ls_lkbidr);
+ for (i = 0; i < DLM_REMOVE_NAMES_MAX; i++) {
+ if (ls->ls_remove_names[i])
+ kfree(ls->ls_remove_names[i]);
+ }
+ out_rsbtbl:
vfree(ls->ls_rsbtbl);
out_lsfree:
if (do_unreg)
@@ -779,13 +792,6 @@ static int release_lockspace(struct dlm_ls *ls, int force)
kfree(ls->ls_recover_buf);
/*
- * Free direntry structs.
- */
-
- dlm_dir_clear(ls);
- vfree(ls->ls_dirtbl);
-
- /*
* Free all lkb's in idr
*/
@@ -813,6 +819,9 @@ static int release_lockspace(struct dlm_ls *ls, int force)
vfree(ls->ls_rsbtbl);
+ for (i = 0; i < DLM_REMOVE_NAMES_MAX; i++)
+ kfree(ls->ls_remove_names[i]);
+
while (!list_empty(&ls->ls_new_rsb)) {
rsb = list_first_entry(&ls->ls_new_rsb, struct dlm_rsb,
res_hashchain);
@@ -826,7 +835,6 @@ static int release_lockspace(struct dlm_ls *ls, int force)
dlm_purge_requestqueue(ls);
kfree(ls->ls_recover_args);
- dlm_clear_free_entries(ls);
dlm_clear_members(ls);
dlm_clear_members_gone(ls);
kfree(ls->ls_node_array);