From: Jun Piao <piaojun@xxxxxxxxxx> Subject: ocfs2: clean up some dead code clean up some unused functions and parameters. Link: http://lkml.kernel.org/r/598A5E21.2080807@xxxxxxxxxx Signed-off-by: Jun Piao <piaojun@xxxxxxxxxx> Reviewed-by: Alex Chen <alex.chen@xxxxxxxxxx> Cc: Mark Fasheh <mfasheh@xxxxxxxxxxx> Cc: Joel Becker <jlbec@xxxxxxxxxxxx> Cc: Junxiao Bi <junxiao.bi@xxxxxxxxxx> Cc: Joseph Qi <jiangqi903@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- fs/ocfs2/alloc.c | 22 ++++++----------- fs/ocfs2/alloc.h | 3 -- fs/ocfs2/cluster/heartbeat.c | 42 +++------------------------------ fs/ocfs2/dir.c | 2 - fs/ocfs2/file.c | 7 ----- fs/ocfs2/journal.c | 1 fs/ocfs2/move_extents.c | 2 - fs/ocfs2/ocfs2.h | 4 --- fs/ocfs2/refcounttree.c | 2 - fs/ocfs2/suballoc.c | 2 - fs/ocfs2/super.c | 1 fs/ocfs2/xattr.c | 2 - 12 files changed, 19 insertions(+), 71 deletions(-) diff -puN fs/ocfs2/alloc.c~ocfs2-clean-up-some-dead-code fs/ocfs2/alloc.c --- a/fs/ocfs2/alloc.c~ocfs2-clean-up-some-dead-code +++ a/fs/ocfs2/alloc.c @@ -955,8 +955,7 @@ int ocfs2_read_extent_block(struct ocfs2 /* * How many free extents have we got before we need more meta data? */ -int ocfs2_num_free_extents(struct ocfs2_super *osb, - struct ocfs2_extent_tree *et) +int ocfs2_num_free_extents(struct ocfs2_extent_tree *et) { int retval; struct ocfs2_extent_list *el = NULL; @@ -1933,14 +1932,12 @@ out: * the new changes. * * left_rec: the record on the left. - * left_child_el: is the child list pointed to by left_rec * right_rec: the record to the right of left_rec * right_child_el: is the child list pointed to by right_rec * * By definition, this only works on interior nodes. */ static void ocfs2_adjust_adjacent_records(struct ocfs2_extent_rec *left_rec, - struct ocfs2_extent_list *left_child_el, struct ocfs2_extent_rec *right_rec, struct ocfs2_extent_list *right_child_el) { @@ -2003,7 +2000,7 @@ static void ocfs2_adjust_root_records(st */ BUG_ON(i >= (le16_to_cpu(root_el->l_next_free_rec) - 1)); - ocfs2_adjust_adjacent_records(&root_el->l_recs[i], left_el, + ocfs2_adjust_adjacent_records(&root_el->l_recs[i], &root_el->l_recs[i + 1], right_el); } @@ -2060,8 +2057,7 @@ static void ocfs2_complete_edge_insert(h el = right_path->p_node[i].el; right_rec = &el->l_recs[0]; - ocfs2_adjust_adjacent_records(left_rec, left_el, right_rec, - right_el); + ocfs2_adjust_adjacent_records(left_rec, right_rec, right_el); ocfs2_journal_dirty(handle, left_path->p_node[i].bh); ocfs2_journal_dirty(handle, right_path->p_node[i].bh); @@ -2509,7 +2505,7 @@ out_ret_path: static int ocfs2_update_edge_lengths(handle_t *handle, struct ocfs2_extent_tree *et, - int subtree_index, struct ocfs2_path *path) + struct ocfs2_path *path) { int i, idx, ret; struct ocfs2_extent_rec *rec; @@ -2755,8 +2751,7 @@ static int ocfs2_rotate_subtree_left(han if (del_right_subtree) { ocfs2_unlink_subtree(handle, et, left_path, right_path, subtree_index, dealloc); - ret = ocfs2_update_edge_lengths(handle, et, subtree_index, - left_path); + ret = ocfs2_update_edge_lengths(handle, et, left_path); if (ret) { mlog_errno(ret); goto out; @@ -3060,8 +3055,7 @@ static int ocfs2_remove_rightmost_path(h ocfs2_unlink_subtree(handle, et, left_path, path, subtree_index, dealloc); - ret = ocfs2_update_edge_lengths(handle, et, subtree_index, - left_path); + ret = ocfs2_update_edge_lengths(handle, et, left_path); if (ret) { mlog_errno(ret); goto out; @@ -4790,7 +4784,7 @@ int ocfs2_add_clusters_in_btree(handle_t if (mark_unwritten) flags = OCFS2_EXT_UNWRITTEN; - free_extents = ocfs2_num_free_extents(osb, et); + free_extents = ocfs2_num_free_extents(et); if (free_extents < 0) { status = free_extents; mlog_errno(status); @@ -5668,7 +5662,7 @@ static int ocfs2_reserve_blocks_for_rec_ *ac = NULL; - num_free_extents = ocfs2_num_free_extents(osb, et); + num_free_extents = ocfs2_num_free_extents(et); if (num_free_extents < 0) { ret = num_free_extents; mlog_errno(ret); diff -puN fs/ocfs2/alloc.h~ocfs2-clean-up-some-dead-code fs/ocfs2/alloc.h --- a/fs/ocfs2/alloc.h~ocfs2-clean-up-some-dead-code +++ a/fs/ocfs2/alloc.h @@ -144,8 +144,7 @@ int ocfs2_remove_btree_range(struct inod struct ocfs2_cached_dealloc_ctxt *dealloc, u64 refcount_loc, bool refcount_tree_locked); -int ocfs2_num_free_extents(struct ocfs2_super *osb, - struct ocfs2_extent_tree *et); +int ocfs2_num_free_extents(struct ocfs2_extent_tree *et); /* * how many new metadata chunks would an allocation need at maximum? diff -puN fs/ocfs2/cluster/heartbeat.c~ocfs2-clean-up-some-dead-code fs/ocfs2/cluster/heartbeat.c --- a/fs/ocfs2/cluster/heartbeat.c~ocfs2-clean-up-some-dead-code +++ a/fs/ocfs2/cluster/heartbeat.c @@ -505,8 +505,7 @@ static inline void o2hb_bio_wait_dec(str } } -static void o2hb_wait_on_io(struct o2hb_region *reg, - struct o2hb_bio_wait_ctxt *wc) +static void o2hb_wait_on_io(struct o2hb_bio_wait_ctxt *wc) { o2hb_bio_wait_dec(wc, 1); wait_for_completion(&wc->wc_io_complete); @@ -608,7 +607,7 @@ static int o2hb_read_slots(struct o2hb_r status = 0; bail_and_wait: - o2hb_wait_on_io(reg, &wc); + o2hb_wait_on_io(&wc); if (wc.wc_error && !status) status = wc.wc_error; @@ -1162,7 +1161,7 @@ static int o2hb_do_disk_heartbeat(struct * before we can go to steady state. This ensures that * people we find in our steady state have seen us. */ - o2hb_wait_on_io(reg, &write_wc); + o2hb_wait_on_io(&write_wc); if (write_wc.wc_error) { /* Do not re-arm the write timeout on I/O error - we * can't be sure that the new block ever made it to @@ -1275,7 +1274,7 @@ static int o2hb_thread(void *data) o2hb_prepare_block(reg, 0); ret = o2hb_issue_node_write(reg, &write_wc); if (ret == 0) - o2hb_wait_on_io(reg, &write_wc); + o2hb_wait_on_io(&write_wc); else mlog_errno(ret); } @@ -2576,22 +2575,6 @@ void o2hb_unregister_callback(const char } EXPORT_SYMBOL_GPL(o2hb_unregister_callback); -int o2hb_check_node_heartbeating(u8 node_num) -{ - unsigned long testing_map[BITS_TO_LONGS(O2NM_MAX_NODES)]; - - o2hb_fill_node_map(testing_map, sizeof(testing_map)); - if (!test_bit(node_num, testing_map)) { - mlog(ML_HEARTBEAT, - "node (%u) does not have heartbeating enabled.\n", - node_num); - return 0; - } - - return 1; -} -EXPORT_SYMBOL_GPL(o2hb_check_node_heartbeating); - int o2hb_check_node_heartbeating_no_sem(u8 node_num) { unsigned long testing_map[BITS_TO_LONGS(O2NM_MAX_NODES)]; @@ -2626,23 +2609,6 @@ int o2hb_check_node_heartbeating_from_ca } EXPORT_SYMBOL_GPL(o2hb_check_node_heartbeating_from_callback); -/* Makes sure our local node is configured with a node number, and is - * heartbeating. */ -int o2hb_check_local_node_heartbeating(void) -{ - u8 node_num; - - /* if this node was set then we have networking */ - node_num = o2nm_this_node(); - if (node_num == O2NM_MAX_NODES) { - mlog(ML_HEARTBEAT, "this node has not been configured.\n"); - return 0; - } - - return o2hb_check_node_heartbeating(node_num); -} -EXPORT_SYMBOL_GPL(o2hb_check_local_node_heartbeating); - /* * this is just a hack until we get the plumbing which flips file systems * read only and drops the hb ref instead of killing the node dead. diff -puN fs/ocfs2/dir.c~ocfs2-clean-up-some-dead-code fs/ocfs2/dir.c --- a/fs/ocfs2/dir.c~ocfs2-clean-up-some-dead-code +++ a/fs/ocfs2/dir.c @@ -3249,7 +3249,7 @@ static int ocfs2_extend_dir(struct ocfs2 spin_unlock(&OCFS2_I(dir)->ip_lock); ocfs2_init_dinode_extent_tree(&et, INODE_CACHE(dir), parent_fe_bh); - num_free_extents = ocfs2_num_free_extents(osb, &et); + num_free_extents = ocfs2_num_free_extents(&et); if (num_free_extents < 0) { status = num_free_extents; mlog_errno(status); diff -puN fs/ocfs2/file.c~ocfs2-clean-up-some-dead-code fs/ocfs2/file.c --- a/fs/ocfs2/file.c~ocfs2-clean-up-some-dead-code +++ a/fs/ocfs2/file.c @@ -713,13 +713,6 @@ leave: return status; } -int ocfs2_extend_allocation(struct inode *inode, u32 logical_start, - u32 clusters_to_add, int mark_unwritten) -{ - return __ocfs2_extend_allocation(inode, logical_start, - clusters_to_add, mark_unwritten); -} - /* * While a write will already be ordering the data, a truncate will not. * Thus, we need to explicitly order the zeroed pages. diff -puN fs/ocfs2/journal.c~ocfs2-clean-up-some-dead-code fs/ocfs2/journal.c --- a/fs/ocfs2/journal.c~ocfs2-clean-up-some-dead-code +++ a/fs/ocfs2/journal.c @@ -1348,7 +1348,6 @@ void ocfs2_complete_mount_recovery(struc ocfs2_schedule_truncate_log_flush(osb, 0); osb->local_alloc_copy = NULL; - osb->dirty = 0; /* queue to recover orphan slots for all offline slots */ ocfs2_replay_map_set_state(osb, REPLAY_NEEDED); diff -puN fs/ocfs2/move_extents.c~ocfs2-clean-up-some-dead-code fs/ocfs2/move_extents.c --- a/fs/ocfs2/move_extents.c~ocfs2-clean-up-some-dead-code +++ a/fs/ocfs2/move_extents.c @@ -175,7 +175,7 @@ static int ocfs2_lock_allocators_move_ex unsigned int max_recs_needed = 2 * extents_to_split + clusters_to_move; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - num_free_extents = ocfs2_num_free_extents(osb, et); + num_free_extents = ocfs2_num_free_extents(et); if (num_free_extents < 0) { ret = num_free_extents; mlog_errno(ret); diff -puN fs/ocfs2/ocfs2.h~ocfs2-clean-up-some-dead-code fs/ocfs2/ocfs2.h --- a/fs/ocfs2/ocfs2.h~ocfs2-clean-up-some-dead-code +++ a/fs/ocfs2/ocfs2.h @@ -320,7 +320,6 @@ struct ocfs2_super u64 system_dir_blkno; u64 bitmap_blkno; u32 bitmap_cpg; - u8 *uuid; char *uuid_str; u32 uuid_hash; u8 *vol_label; @@ -388,9 +387,8 @@ struct ocfs2_super unsigned int osb_resv_level; unsigned int osb_dir_resv_level; - /* Next three fields are for local node slot recovery during + /* Next two fields are for local node slot recovery during * mount. */ - int dirty; struct ocfs2_dinode *local_alloc_copy; struct ocfs2_quota_recovery *quota_rec; diff -puN fs/ocfs2/refcounttree.c~ocfs2-clean-up-some-dead-code fs/ocfs2/refcounttree.c --- a/fs/ocfs2/refcounttree.c~ocfs2-clean-up-some-dead-code +++ a/fs/ocfs2/refcounttree.c @@ -2851,7 +2851,7 @@ static int ocfs2_lock_refcount_allocator int *credits) { int ret = 0, meta_add = 0; - int num_free_extents = ocfs2_num_free_extents(OCFS2_SB(sb), et); + int num_free_extents = ocfs2_num_free_extents(et); if (num_free_extents < 0) { ret = num_free_extents; diff -puN fs/ocfs2/suballoc.c~ocfs2-clean-up-some-dead-code fs/ocfs2/suballoc.c --- a/fs/ocfs2/suballoc.c~ocfs2-clean-up-some-dead-code +++ a/fs/ocfs2/suballoc.c @@ -2700,7 +2700,7 @@ int ocfs2_lock_allocators(struct inode * BUG_ON(clusters_to_add != 0 && data_ac == NULL); - num_free_extents = ocfs2_num_free_extents(osb, et); + num_free_extents = ocfs2_num_free_extents(et); if (num_free_extents < 0) { ret = num_free_extents; mlog_errno(ret); diff -puN fs/ocfs2/super.c~ocfs2-clean-up-some-dead-code fs/ocfs2/super.c --- a/fs/ocfs2/super.c~ocfs2-clean-up-some-dead-code +++ a/fs/ocfs2/super.c @@ -2486,7 +2486,6 @@ static int ocfs2_check_volume(struct ocf if (dirty) { /* Recovery will be completed after we've mounted the * rest of the volume. */ - osb->dirty = 1; osb->local_alloc_copy = local_alloc; local_alloc = NULL; } diff -puN fs/ocfs2/xattr.c~ocfs2-clean-up-some-dead-code fs/ocfs2/xattr.c --- a/fs/ocfs2/xattr.c~ocfs2-clean-up-some-dead-code +++ a/fs/ocfs2/xattr.c @@ -6800,7 +6800,7 @@ static int ocfs2_lock_reflink_xattr_rec_ *credits += 1; /* count in the xattr tree change. */ - num_free_extents = ocfs2_num_free_extents(osb, xt_et); + num_free_extents = ocfs2_num_free_extents(xt_et); if (num_free_extents < 0) { ret = num_free_extents; mlog_errno(ret); _ -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html