diff options
Diffstat (limited to 'fs/xfs/xfs_mount.c')
| -rw-r--r-- | fs/xfs/xfs_mount.c | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 6966d7b12a13..c3a96fb3ad80 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -120,43 +120,6 @@ xfs_uuid_unmount( mutex_unlock(&xfs_uuid_table_mutex); } - -STATIC void -__xfs_free_perag( - struct rcu_head *head) -{ - struct xfs_perag *pag = container_of(head, struct xfs_perag, rcu_head); - - ASSERT(!delayed_work_pending(&pag->pag_blockgc_work)); - ASSERT(atomic_read(&pag->pag_ref) == 0); - kmem_free(pag); -} - -/* - * Free up the per-ag resources associated with the mount structure. - */ -STATIC void -xfs_free_perag( - xfs_mount_t *mp) -{ - xfs_agnumber_t agno; - struct xfs_perag *pag; - - for (agno = 0; agno < mp->m_sb.sb_agcount; agno++) { - spin_lock(&mp->m_perag_lock); - pag = radix_tree_delete(&mp->m_perag_tree, agno); - spin_unlock(&mp->m_perag_lock); - ASSERT(pag); - ASSERT(atomic_read(&pag->pag_ref) == 0); - - cancel_delayed_work_sync(&pag->pag_blockgc_work); - xfs_iunlink_destroy(pag); - xfs_buf_hash_destroy(pag); - - call_rcu(&pag->rcu_head, __xfs_free_perag); - } -} - /* * Check size of device based on the (data/realtime) block count. * Note: this check is used by the growfs code as well as mount. @@ -175,102 +138,6 @@ xfs_sb_validate_fsb_count( return 0; } -int -xfs_initialize_perag( - struct xfs_mount *mp, - xfs_agnumber_t agcount, - xfs_agnumber_t *maxagi) -{ - struct xfs_perag *pag; - xfs_agnumber_t index; - xfs_agnumber_t first_initialised = NULLAGNUMBER; - int error; - - /* - * Walk the current per-ag tree so we don't try to initialise AGs - * that already exist (growfs case). Allocate and insert all the - * AGs we don't find ready for initialisation. - */ - for (index = 0; index < agcount; index++) { - pag = xfs_perag_get(mp, index); - if (pag) { - xfs_perag_put(pag); - continue; - } - - pag = kmem_zalloc(sizeof(*pag), KM_MAYFAIL); - if (!pag) { - error = -ENOMEM; - goto out_unwind_new_pags; - } - pag->pag_agno = index; - pag->pag_mount = mp; - - error = radix_tree_preload(GFP_NOFS); - if (error) - goto out_free_pag; - - spin_lock(&mp->m_perag_lock); - if (radix_tree_insert(&mp->m_perag_tree, index, pag)) { - WARN_ON_ONCE(1); - spin_unlock(&mp->m_perag_lock); - radix_tree_preload_end(); - error = -EEXIST; - goto out_free_pag; - } - spin_unlock(&mp->m_perag_lock); - radix_tree_preload_end(); - - /* Place kernel structure only init below this point. */ - spin_lock_init(&pag->pag_ici_lock); - spin_lock_init(&pag->pagb_lock); - spin_lock_init(&pag->pag_state_lock); - INIT_DELAYED_WORK(&pag->pag_blockgc_work, xfs_blockgc_worker); - INIT_RADIX_TREE(&pag->pag_ici_root, GFP_ATOMIC); - init_waitqueue_head(&pag->pagb_wait); - pag->pagb_count = 0; - pag->pagb_tree = RB_ROOT; - - error = xfs_buf_hash_init(pag); - if (error) - goto out_remove_pag; - - error = xfs_iunlink_init(pag); - if (error) - goto out_hash_destroy; - - /* first new pag is fully initialized */ - if (first_initialised == NULLAGNUMBER) - first_initialised = index; - } - - index = xfs_set_inode_alloc(mp, agcount); - - if (maxagi) - *maxagi = index; - - mp->m_ag_prealloc_blocks = xfs_prealloc_blocks(mp); - return 0; - -out_hash_destroy: - xfs_buf_hash_destroy(pag); -out_remove_pag: - radix_tree_delete(&mp->m_perag_tree, index); -out_free_pag: - kmem_free(pag); -out_unwind_new_pags: - /* unwind any prior newly initialized pags */ - for (index = first_initialised; index < agcount; index++) { - pag = radix_tree_delete(&mp->m_perag_tree, index); - if (!pag) - break; - xfs_buf_hash_destroy(pag); - xfs_iunlink_destroy(pag); - kmem_free(pag); - } - return error; -} - /* * xfs_readsb * |