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-rw-r--r--fs/dlm/recover.c149
1 files changed, 48 insertions, 101 deletions
diff --git a/fs/dlm/recover.c b/fs/dlm/recover.c
index 53917c0aa3..f493d5f30c 100644
--- a/fs/dlm/recover.c
+++ b/fs/dlm/recover.c
@@ -74,9 +74,9 @@ int dlm_wait_function(struct dlm_ls *ls, int (*testfn) (struct dlm_ls *ls))
uint32_t dlm_recover_status(struct dlm_ls *ls)
{
uint32_t status;
- spin_lock(&ls->ls_recover_lock);
+ spin_lock_bh(&ls->ls_recover_lock);
status = ls->ls_recover_status;
- spin_unlock(&ls->ls_recover_lock);
+ spin_unlock_bh(&ls->ls_recover_lock);
return status;
}
@@ -87,9 +87,9 @@ static void _set_recover_status(struct dlm_ls *ls, uint32_t status)
void dlm_set_recover_status(struct dlm_ls *ls, uint32_t status)
{
- spin_lock(&ls->ls_recover_lock);
+ spin_lock_bh(&ls->ls_recover_lock);
_set_recover_status(ls, status);
- spin_unlock(&ls->ls_recover_lock);
+ spin_unlock_bh(&ls->ls_recover_lock);
}
static int wait_status_all(struct dlm_ls *ls, uint32_t wait_status,
@@ -188,13 +188,13 @@ int dlm_recover_members_wait(struct dlm_ls *ls, uint64_t seq)
rv = dlm_slots_assign(ls, &num_slots, &slots_size, &slots, &gen);
if (!rv) {
- spin_lock(&ls->ls_recover_lock);
+ spin_lock_bh(&ls->ls_recover_lock);
_set_recover_status(ls, DLM_RS_NODES_ALL);
ls->ls_num_slots = num_slots;
ls->ls_slots_size = slots_size;
ls->ls_slots = slots;
ls->ls_generation = gen;
- spin_unlock(&ls->ls_recover_lock);
+ spin_unlock_bh(&ls->ls_recover_lock);
} else {
dlm_set_recover_status(ls, DLM_RS_NODES_ALL);
}
@@ -241,9 +241,9 @@ static int recover_list_empty(struct dlm_ls *ls)
{
int empty;
- spin_lock(&ls->ls_recover_list_lock);
+ spin_lock_bh(&ls->ls_recover_list_lock);
empty = list_empty(&ls->ls_recover_list);
- spin_unlock(&ls->ls_recover_list_lock);
+ spin_unlock_bh(&ls->ls_recover_list_lock);
return empty;
}
@@ -252,23 +252,23 @@ static void recover_list_add(struct dlm_rsb *r)
{
struct dlm_ls *ls = r->res_ls;
- spin_lock(&ls->ls_recover_list_lock);
+ spin_lock_bh(&ls->ls_recover_list_lock);
if (list_empty(&r->res_recover_list)) {
list_add_tail(&r->res_recover_list, &ls->ls_recover_list);
ls->ls_recover_list_count++;
dlm_hold_rsb(r);
}
- spin_unlock(&ls->ls_recover_list_lock);
+ spin_unlock_bh(&ls->ls_recover_list_lock);
}
static void recover_list_del(struct dlm_rsb *r)
{
struct dlm_ls *ls = r->res_ls;
- spin_lock(&ls->ls_recover_list_lock);
+ spin_lock_bh(&ls->ls_recover_list_lock);
list_del_init(&r->res_recover_list);
ls->ls_recover_list_count--;
- spin_unlock(&ls->ls_recover_list_lock);
+ spin_unlock_bh(&ls->ls_recover_list_lock);
dlm_put_rsb(r);
}
@@ -277,7 +277,7 @@ static void recover_list_clear(struct dlm_ls *ls)
{
struct dlm_rsb *r, *s;
- spin_lock(&ls->ls_recover_list_lock);
+ spin_lock_bh(&ls->ls_recover_list_lock);
list_for_each_entry_safe(r, s, &ls->ls_recover_list, res_recover_list) {
list_del_init(&r->res_recover_list);
r->res_recover_locks_count = 0;
@@ -290,17 +290,17 @@ static void recover_list_clear(struct dlm_ls *ls)
ls->ls_recover_list_count);
ls->ls_recover_list_count = 0;
}
- spin_unlock(&ls->ls_recover_list_lock);
+ spin_unlock_bh(&ls->ls_recover_list_lock);
}
static int recover_idr_empty(struct dlm_ls *ls)
{
int empty = 1;
- spin_lock(&ls->ls_recover_idr_lock);
+ spin_lock_bh(&ls->ls_recover_idr_lock);
if (ls->ls_recover_list_count)
empty = 0;
- spin_unlock(&ls->ls_recover_idr_lock);
+ spin_unlock_bh(&ls->ls_recover_idr_lock);
return empty;
}
@@ -310,8 +310,7 @@ static int recover_idr_add(struct dlm_rsb *r)
struct dlm_ls *ls = r->res_ls;
int rv;
- idr_preload(GFP_NOFS);
- spin_lock(&ls->ls_recover_idr_lock);
+ spin_lock_bh(&ls->ls_recover_idr_lock);
if (r->res_id) {
rv = -1;
goto out_unlock;
@@ -325,8 +324,7 @@ static int recover_idr_add(struct dlm_rsb *r)
dlm_hold_rsb(r);
rv = 0;
out_unlock:
- spin_unlock(&ls->ls_recover_idr_lock);
- idr_preload_end();
+ spin_unlock_bh(&ls->ls_recover_idr_lock);
return rv;
}
@@ -334,11 +332,11 @@ static void recover_idr_del(struct dlm_rsb *r)
{
struct dlm_ls *ls = r->res_ls;
- spin_lock(&ls->ls_recover_idr_lock);
+ spin_lock_bh(&ls->ls_recover_idr_lock);
idr_remove(&ls->ls_recover_idr, r->res_id);
r->res_id = 0;
ls->ls_recover_list_count--;
- spin_unlock(&ls->ls_recover_idr_lock);
+ spin_unlock_bh(&ls->ls_recover_idr_lock);
dlm_put_rsb(r);
}
@@ -347,9 +345,9 @@ static struct dlm_rsb *recover_idr_find(struct dlm_ls *ls, uint64_t id)
{
struct dlm_rsb *r;
- spin_lock(&ls->ls_recover_idr_lock);
+ spin_lock_bh(&ls->ls_recover_idr_lock);
r = idr_find(&ls->ls_recover_idr, (int)id);
- spin_unlock(&ls->ls_recover_idr_lock);
+ spin_unlock_bh(&ls->ls_recover_idr_lock);
return r;
}
@@ -358,7 +356,7 @@ static void recover_idr_clear(struct dlm_ls *ls)
struct dlm_rsb *r;
int id;
- spin_lock(&ls->ls_recover_idr_lock);
+ spin_lock_bh(&ls->ls_recover_idr_lock);
idr_for_each_entry(&ls->ls_recover_idr, r, id) {
idr_remove(&ls->ls_recover_idr, id);
@@ -374,7 +372,7 @@ static void recover_idr_clear(struct dlm_ls *ls)
ls->ls_recover_list_count);
ls->ls_recover_list_count = 0;
}
- spin_unlock(&ls->ls_recover_idr_lock);
+ spin_unlock_bh(&ls->ls_recover_idr_lock);
}
@@ -521,7 +519,8 @@ static int recover_master_static(struct dlm_rsb *r, unsigned int *count)
* the correct dir node.
*/
-int dlm_recover_masters(struct dlm_ls *ls, uint64_t seq)
+int dlm_recover_masters(struct dlm_ls *ls, uint64_t seq,
+ const struct list_head *root_list)
{
struct dlm_rsb *r;
unsigned int total = 0;
@@ -531,10 +530,8 @@ int dlm_recover_masters(struct dlm_ls *ls, uint64_t seq)
log_rinfo(ls, "dlm_recover_masters");
- down_read(&ls->ls_root_sem);
- list_for_each_entry(r, &ls->ls_root_list, res_root_list) {
+ list_for_each_entry(r, root_list, res_root_list) {
if (dlm_recovery_stopped(ls)) {
- up_read(&ls->ls_root_sem);
error = -EINTR;
goto out;
}
@@ -548,12 +545,9 @@ int dlm_recover_masters(struct dlm_ls *ls, uint64_t seq)
cond_resched();
total++;
- if (error) {
- up_read(&ls->ls_root_sem);
+ if (error)
goto out;
- }
}
- up_read(&ls->ls_root_sem);
log_rinfo(ls, "dlm_recover_masters %u of %u", count, total);
@@ -658,13 +652,13 @@ static int recover_locks(struct dlm_rsb *r, uint64_t seq)
return error;
}
-int dlm_recover_locks(struct dlm_ls *ls, uint64_t seq)
+int dlm_recover_locks(struct dlm_ls *ls, uint64_t seq,
+ const struct list_head *root_list)
{
struct dlm_rsb *r;
int error, count = 0;
- down_read(&ls->ls_root_sem);
- list_for_each_entry(r, &ls->ls_root_list, res_root_list) {
+ list_for_each_entry(r, root_list, res_root_list) {
if (is_master(r)) {
rsb_clear_flag(r, RSB_NEW_MASTER);
continue;
@@ -675,19 +669,15 @@ int dlm_recover_locks(struct dlm_ls *ls, uint64_t seq)
if (dlm_recovery_stopped(ls)) {
error = -EINTR;
- up_read(&ls->ls_root_sem);
goto out;
}
error = recover_locks(r, seq);
- if (error) {
- up_read(&ls->ls_root_sem);
+ if (error)
goto out;
- }
count += r->res_recover_locks_count;
}
- up_read(&ls->ls_root_sem);
log_rinfo(ls, "dlm_recover_locks %d out", count);
@@ -856,13 +846,12 @@ static void recover_grant(struct dlm_rsb *r)
rsb_set_flag(r, RSB_RECOVER_GRANT);
}
-void dlm_recover_rsbs(struct dlm_ls *ls)
+void dlm_recover_rsbs(struct dlm_ls *ls, const struct list_head *root_list)
{
struct dlm_rsb *r;
unsigned int count = 0;
- down_read(&ls->ls_root_sem);
- list_for_each_entry(r, &ls->ls_root_list, res_root_list) {
+ list_for_each_entry(r, root_list, res_root_list) {
lock_rsb(r);
if (is_master(r)) {
if (rsb_flag(r, RSB_RECOVER_CONVERT))
@@ -883,7 +872,6 @@ void dlm_recover_rsbs(struct dlm_ls *ls)
rsb_clear_flag(r, RSB_NEW_MASTER2);
unlock_rsb(r);
}
- up_read(&ls->ls_root_sem);
if (count)
log_rinfo(ls, "dlm_recover_rsbs %d done", count);
@@ -891,66 +879,25 @@ void dlm_recover_rsbs(struct dlm_ls *ls)
/* Create a single list of all root rsb's to be used during recovery */
-int dlm_create_root_list(struct dlm_ls *ls)
-{
- struct rb_node *n;
- struct dlm_rsb *r;
- int i, error = 0;
-
- down_write(&ls->ls_root_sem);
- if (!list_empty(&ls->ls_root_list)) {
- log_error(ls, "root list not empty");
- error = -EINVAL;
- goto out;
- }
-
- for (i = 0; i < ls->ls_rsbtbl_size; i++) {
- spin_lock(&ls->ls_rsbtbl[i].lock);
- for (n = rb_first(&ls->ls_rsbtbl[i].keep); n; n = rb_next(n)) {
- r = rb_entry(n, struct dlm_rsb, res_hashnode);
- list_add(&r->res_root_list, &ls->ls_root_list);
- dlm_hold_rsb(r);
- }
-
- if (!RB_EMPTY_ROOT(&ls->ls_rsbtbl[i].toss))
- log_error(ls, "dlm_create_root_list toss not empty");
- spin_unlock(&ls->ls_rsbtbl[i].lock);
- }
- out:
- up_write(&ls->ls_root_sem);
- return error;
-}
-
-void dlm_release_root_list(struct dlm_ls *ls)
+void dlm_clear_toss(struct dlm_ls *ls)
{
struct dlm_rsb *r, *safe;
+ unsigned int count = 0;
- down_write(&ls->ls_root_sem);
- list_for_each_entry_safe(r, safe, &ls->ls_root_list, res_root_list) {
- list_del_init(&r->res_root_list);
- dlm_put_rsb(r);
- }
- up_write(&ls->ls_root_sem);
-}
+ write_lock_bh(&ls->ls_rsbtbl_lock);
+ list_for_each_entry_safe(r, safe, &ls->ls_toss, res_rsbs_list) {
+ list_del(&r->res_rsbs_list);
+ rhashtable_remove_fast(&ls->ls_rsbtbl, &r->res_node,
+ dlm_rhash_rsb_params);
-void dlm_clear_toss(struct dlm_ls *ls)
-{
- struct rb_node *n, *next;
- struct dlm_rsb *r;
- unsigned int count = 0;
- int i;
-
- for (i = 0; i < ls->ls_rsbtbl_size; i++) {
- spin_lock(&ls->ls_rsbtbl[i].lock);
- for (n = rb_first(&ls->ls_rsbtbl[i].toss); n; n = next) {
- next = rb_next(n);
- r = rb_entry(n, struct dlm_rsb, res_hashnode);
- rb_erase(n, &ls->ls_rsbtbl[i].toss);
- dlm_free_rsb(r);
- count++;
- }
- spin_unlock(&ls->ls_rsbtbl[i].lock);
+ /* remove it from the toss queue if its part of it */
+ if (!list_empty(&r->res_toss_q_list))
+ list_del_init(&r->res_toss_q_list);
+
+ free_toss_rsb(r);
+ count++;
}
+ write_unlock_bh(&ls->ls_rsbtbl_lock);
if (count)
log_rinfo(ls, "dlm_clear_toss %u done", count);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-13 20:21:57 +0000