59 	struct ubifs_info *c = inode->i_sb->s_fs_info;  in read_block()  local
64 	data_key_init(c, &key, inode->i_ino, block);  in read_block()
65 	err = ubifs_tnc_lookup(c, &key, dn);  in read_block()
81 	err = ubifs_decompress(c, &dn->data, dlen, addr, &out_len,  in read_block()
97 	ubifs_err(c, "bad data node (block %u, inode %lu)",  in read_block()
99 	ubifs_dump_node(c, dn);  in read_block()
162 		struct ubifs_info *c = inode->i_sb->s_fs_info;  in do_readpage()  local
169 		ubifs_err(c, "cannot read page %lu of inode %lu, error %d",  in do_readpage()
199 static void release_new_page_budget(struct ubifs_info *c)  in release_new_page_budget()  argument
203 	ubifs_release_budget(c, &req);  in release_new_page_budget()
213 static void release_existing_page_budget(struct ubifs_info *c)  in release_existing_page_budget()  argument
215 	struct ubifs_budget_req req = { .dd_growth = c->bi.page_budget};  in release_existing_page_budget()
217 	ubifs_release_budget(c, &req);  in release_existing_page_budget()
225 	struct ubifs_info *c = inode->i_sb->s_fs_info;  in write_begin_slow()  local
246 	err = ubifs_budget_space(c, &req);  in write_begin_slow()
252 		ubifs_release_budget(c, &req);  in write_begin_slow()
264 				ubifs_release_budget(c, &req);  in write_begin_slow()
284 		release_new_page_budget(c);  in write_begin_slow()
292 		ubifs_convert_page_budget(c);  in write_begin_slow()
308 			ubifs_release_dirty_inode_budget(c, ui);  in write_begin_slow()
328 static int allocate_budget(struct ubifs_info *c, struct page *page,  in allocate_budget()  argument
389 	return ubifs_budget_space(c, &req);  in allocate_budget()
429 	struct ubifs_info *c = inode->i_sb->s_fs_info;  in ubifs_write_begin()  local
437 	ubifs_assert(!c->ro_media && !c->ro_mount);  in ubifs_write_begin()
439 	if (unlikely(c->ro_error))  in ubifs_write_begin()
474 	err = allocate_budget(c, page, ui, appending);  in ubifs_write_begin()
523 static void cancel_budget(struct ubifs_info *c, struct page *page,  in cancel_budget()  argument
528 			ubifs_release_dirty_inode_budget(c, ui);  in cancel_budget()
533 			release_new_page_budget(c);  in cancel_budget()
535 			release_existing_page_budget(c);  in cancel_budget()
545 	struct ubifs_info *c = inode->i_sb->s_fs_info;  in ubifs_write_end()  local
564 		cancel_budget(c, page, ui, appending);  in ubifs_write_end()
577 		atomic_long_inc(&c->dirty_pg_cnt);  in ubifs_write_end()
609 static int populate_page(struct ubifs_info *c, struct page *page,  in populate_page()  argument
638 		} else if (key_block(c, &bu->zbranch[nn].key) == page_block) {  in populate_page()
652 			err = ubifs_decompress(c, &dn->data, dlen, addr, &out_len,  in populate_page()
662 		} else if (key_block(c, &bu->zbranch[nn].key) < page_block) {  in populate_page()
700 	ubifs_err(c, "bad data node (block %u, inode %lu)",  in populate_page()
713 static int ubifs_do_bulk_read(struct ubifs_info *c, struct bu_info *bu,  in ubifs_do_bulk_read()  argument
724 	err = ubifs_tnc_get_bu_keys(c, bu);  in ubifs_do_bulk_read()
755 			ubifs_assert(bu->buf_len <= c->leb_size);  in ubifs_do_bulk_read()
761 		err = ubifs_tnc_bulk_read(c, bu);  in ubifs_do_bulk_read()
766 	err = populate_page(c, page1, bu, &n);  in ubifs_do_bulk_read()
789 			err = populate_page(c, page, bu, &n);  in ubifs_do_bulk_read()
804 	ubifs_warn(c, "ignoring error %d and skipping bulk-read", err);  in ubifs_do_bulk_read()
824 	struct ubifs_info *c = inode->i_sb->s_fs_info;  in ubifs_bulk_read()  local
831 	if (!c->bulk_read)  in ubifs_bulk_read()
861 	if (mutex_trylock(&c->bu_mutex))  in ubifs_bulk_read()
862 		bu = &c->bu;  in ubifs_bulk_read()
872 	bu->buf_len = c->max_bu_buf_len;  in ubifs_bulk_read()
873 	data_key_init(c, &bu->key, inode->i_ino,  in ubifs_bulk_read()
875 	err = ubifs_do_bulk_read(c, bu, page);  in ubifs_bulk_read()
878 		mutex_unlock(&c->bu_mutex);  in ubifs_bulk_read()
903 	struct ubifs_info *c = inode->i_sb->s_fs_info;  in do_writepage()  local
920 		data_key_init(c, &key, inode->i_ino, block);  in do_writepage()
921 		err = ubifs_jnl_write_data(c, inode, &key, addr, blen);  in do_writepage()
932 		ubifs_err(c, "cannot write page %lu of inode %lu, error %d",  in do_writepage()
934 		ubifs_ro_mode(c, err);  in do_writepage()
939 		release_new_page_budget(c);  in do_writepage()
941 		release_existing_page_budget(c);  in do_writepage()
943 	atomic_long_dec(&c->dirty_pg_cnt);  in do_writepage()
1104 static int do_truncation(struct ubifs_info *c, struct inode *inode,  in do_truncation()  argument
1127 	err = ubifs_budget_space(c, &req);  in do_truncation()
1187 	err = ubifs_jnl_truncate(c, inode, old_size, new_size);  in do_truncation()
1192 		ubifs_release_budget(c, &req);  in do_truncation()
1194 		c->bi.nospace = c->bi.nospace_rp = 0;  in do_truncation()
1210 static int do_setattr(struct ubifs_info *c, struct inode *inode,  in do_setattr()  argument
1219 	err = ubifs_budget_space(c, &req);  in do_setattr()
1250 		ubifs_release_budget(c, &req);  in do_setattr()
1260 	struct ubifs_info *c = inode->i_sb->s_fs_info;  in ubifs_setattr()  local
1268 	err = dbg_check_synced_i_size(c, inode);  in ubifs_setattr()
1274 		err = do_truncation(c, inode, attr);  in ubifs_setattr()
1276 		err = do_setattr(c, inode, attr);  in ubifs_setattr()
1285 	struct ubifs_info *c = inode->i_sb->s_fs_info;  in ubifs_invalidatepage()  local
1293 		release_new_page_budget(c);  in ubifs_invalidatepage()
1295 		release_existing_page_budget(c);  in ubifs_invalidatepage()
1297 	atomic_long_dec(&c->dirty_pg_cnt);  in ubifs_invalidatepage()
1305 	struct ubifs_info *c = inode->i_sb->s_fs_info;  in ubifs_fsync()  local
1310 	if (c->ro_mount)  in ubifs_fsync()
1333 	err = ubifs_sync_wbufs_by_inode(c, inode);  in ubifs_fsync()
1368 	struct ubifs_info *c = inode->i_sb->s_fs_info;  in ubifs_update_time()  local
1374 	err = ubifs_budget_space(c, &req);  in ubifs_update_time()
1393 		ubifs_release_budget(c, &req);  in ubifs_update_time()
1410 	struct ubifs_info *c = inode->i_sb->s_fs_info;  in update_mctime()  local
1417 		err = ubifs_budget_space(c, &req);  in update_mctime()
1427 			ubifs_release_budget(c, &req);  in update_mctime()
1479 	struct ubifs_info *c = inode->i_sb->s_fs_info;  in ubifs_vm_page_mkwrite()  local
1486 	ubifs_assert(!c->ro_media && !c->ro_mount);  in ubifs_vm_page_mkwrite()
1488 	if (unlikely(c->ro_error))  in ubifs_vm_page_mkwrite()
1517 	err = ubifs_budget_space(c, &req);  in ubifs_vm_page_mkwrite()
1520 			ubifs_warn(c, "out of space for mmapped file (inode number %lu)",  in ubifs_vm_page_mkwrite()
1534 		release_new_page_budget(c);  in ubifs_vm_page_mkwrite()
1537 			ubifs_convert_page_budget(c);  in ubifs_vm_page_mkwrite()
1539 		atomic_long_inc(&c->dirty_pg_cnt);  in ubifs_vm_page_mkwrite()
1553 			ubifs_release_dirty_inode_budget(c, ui);  in ubifs_vm_page_mkwrite()
1561 	ubifs_release_budget(c, &req);  in ubifs_vm_page_mkwrite()