diff options
Diffstat (limited to 'fs/dlm/lockspace.c')
-rw-r--r-- | fs/dlm/lockspace.c | 65 |
1 files changed, 42 insertions, 23 deletions
diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c index a1ea25f..952557d 100644 --- a/fs/dlm/lockspace.c +++ b/fs/dlm/lockspace.c @@ -74,6 +74,19 @@ static ssize_t dlm_id_store(struct dlm_ls *ls, const char *buf, size_t len) return len; } +static ssize_t dlm_nodir_show(struct dlm_ls *ls, char *buf) +{ + return snprintf(buf, PAGE_SIZE, "%u\n", dlm_no_directory(ls)); +} + +static ssize_t dlm_nodir_store(struct dlm_ls *ls, const char *buf, size_t len) +{ + int val = simple_strtoul(buf, NULL, 0); + if (val == 1) + set_bit(LSFL_NODIR, &ls->ls_flags); + return len; +} + static ssize_t dlm_recover_status_show(struct dlm_ls *ls, char *buf) { uint32_t status = dlm_recover_status(ls); @@ -107,6 +120,12 @@ static struct dlm_attr dlm_attr_id = { .store = dlm_id_store }; +static struct dlm_attr dlm_attr_nodir = { + .attr = {.name = "nodir", .mode = S_IRUGO | S_IWUSR}, + .show = dlm_nodir_show, + .store = dlm_nodir_store +}; + static struct dlm_attr dlm_attr_recover_status = { .attr = {.name = "recover_status", .mode = S_IRUGO}, .show = dlm_recover_status_show @@ -121,6 +140,7 @@ static struct attribute *dlm_attrs[] = { &dlm_attr_control.attr, &dlm_attr_event.attr, &dlm_attr_id.attr, + &dlm_attr_nodir.attr, &dlm_attr_recover_status.attr, &dlm_attr_recover_nodeid.attr, NULL, @@ -486,20 +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); @@ -547,7 +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; @@ -556,6 +574,8 @@ 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); @@ -627,11 +647,15 @@ 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) @@ -759,13 +783,6 @@ 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 */ @@ -793,6 +810,9 @@ 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); @@ -806,7 +826,6 @@ 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); |