/*- * Copyright (c) 2010-2012 Semihalf * Copyright (c) 2008, 2009 Reinoud Zandijk * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * From: NetBSD: nilfs_subr.h,v 1.1 2009/07/18 16:31:42 reinoud * * $FreeBSD$ */ #ifndef _FS_NANDFS_NANDFS_SUBR_H_ #define _FS_NANDFS_NANDFS_SUBR_H_ struct nandfs_mdt; struct nandfs_alloc_request { uint64_t entrynum; struct buf *bp_desc; struct buf *bp_bitmap; struct buf *bp_entry; }; /* Segment creation */ void nandfs_wakeup_wait_sync(struct nandfs_device *, int); int nandfs_segment_constructor(struct nandfsmount *, int); int nandfs_sync_file(struct vnode *); /* Basic calculators */ uint64_t nandfs_get_segnum_of_block(struct nandfs_device *, nandfs_daddr_t); void nandfs_get_segment_range(struct nandfs_device *, uint64_t, uint64_t *, uint64_t *); void nandfs_calc_mdt_consts(struct nandfs_device *, struct nandfs_mdt *, int); /* Log reading / volume helpers */ int nandfs_search_super_root(struct nandfs_device *); /* Reading */ int nandfs_dev_bread(struct nandfs_device *, nandfs_daddr_t, struct ucred *, int, struct buf **); int nandfs_bread(struct nandfs_node *, nandfs_lbn_t, struct ucred *, int, struct buf **); int nandfs_bread_meta(struct nandfs_node *, nandfs_lbn_t, struct ucred *, int, struct buf **); int nandfs_bdestroy(struct nandfs_node *, nandfs_daddr_t); int nandfs_bcreate(struct nandfs_node *, nandfs_lbn_t, struct ucred *, int, struct buf **); int nandfs_bcreate_meta(struct nandfs_node *, nandfs_lbn_t, struct ucred *, int, struct buf **); int nandfs_bread_create(struct nandfs_node *, nandfs_lbn_t, struct ucred *, int, struct buf **); /* vtop operations */ int nandfs_vtop(struct nandfs_node *, nandfs_daddr_t, nandfs_daddr_t *); /* Node action implementators */ int nandfs_vinit(struct vnode *, uint64_t); int nandfs_get_node(struct nandfsmount *, uint64_t, struct nandfs_node **); int nandfs_get_node_raw(struct nandfs_device *, struct nandfsmount *, uint64_t, struct nandfs_inode *, struct nandfs_node **); void nandfs_dispose_node(struct nandfs_node **); void nandfs_itimes(struct vnode *); int nandfs_lookup_name_in_dir(struct vnode *, const char *, int, uint64_t *, int *, uint64_t *); int nandfs_create_node(struct vnode *, struct vnode **, struct vattr *, struct componentname *); void nandfs_delete_node(struct nandfs_node *); int nandfs_chsize(struct vnode *, u_quad_t, struct ucred *); int nandfs_dir_detach(struct nandfsmount *, struct nandfs_node *, struct nandfs_node *, struct componentname *); int nandfs_dir_attach(struct nandfsmount *, struct nandfs_node *, struct nandfs_node *, struct vattr *, struct componentname *); int nandfs_dirty_buf(struct buf *, int); int nandfs_dirty_buf_meta(struct buf *, int); int nandfs_fs_full(struct nandfs_device *); void nandfs_undirty_buf_fsdev(struct nandfs_device *, struct buf *); void nandfs_undirty_buf(struct buf *); void nandfs_clear_buf(struct buf *); void nandfs_buf_set(struct buf *, uint32_t); void nandfs_buf_clear(struct buf *, uint32_t); int nandfs_buf_check(struct buf *, uint32_t); int nandfs_find_free_entry(struct nandfs_mdt *, struct nandfs_node *, struct nandfs_alloc_request *); int nandfs_find_entry(struct nandfs_mdt *, struct nandfs_node *, struct nandfs_alloc_request *); int nandfs_alloc_entry(struct nandfs_mdt *, struct nandfs_alloc_request *); void nandfs_abort_entry(struct nandfs_alloc_request *); int nandfs_free_entry(struct nandfs_mdt *, struct nandfs_alloc_request *); int nandfs_get_entry_block(struct nandfs_mdt *, struct nandfs_node *, struct nandfs_alloc_request *, uint32_t *, int); /* inode managment */ int nandfs_node_create(struct nandfsmount *, struct nandfs_node **, uint16_t); int nandfs_node_destroy(struct nandfs_node *); int nandfs_node_update(struct nandfs_node *); int nandfs_get_node_entry(struct nandfsmount *, struct nandfs_inode **, uint64_t, struct buf **); void nandfs_mdt_trans_blk(struct nandfs_mdt *, uint64_t, uint64_t *, uint64_t *, nandfs_lbn_t *, uint32_t *); /* vblock management */ void nandfs_mdt_trans(struct nandfs_mdt *, uint64_t, nandfs_lbn_t *, uint32_t *); int nandfs_vblock_alloc(struct nandfs_device *, nandfs_daddr_t *); int nandfs_vblock_end(struct nandfs_device *, nandfs_daddr_t); int nandfs_vblock_assign(struct nandfs_device *, nandfs_daddr_t, nandfs_lbn_t); int nandfs_vblock_free(struct nandfs_device *, nandfs_daddr_t); /* Checkpoint management */ int nandfs_get_checkpoint(struct nandfs_device *, struct nandfs_node *, uint64_t); int nandfs_set_checkpoint(struct nandfs_device *, struct nandfs_node *, uint64_t, struct nandfs_inode *, uint64_t); /* Segment management */ int nandfs_alloc_segment(struct nandfs_device *, uint64_t *); int nandfs_update_segment(struct nandfs_device *, uint64_t, uint32_t); int nandfs_free_segment(struct nandfs_device *, uint64_t); int nandfs_clear_segment(struct nandfs_device *, uint64_t); int nandfs_touch_segment(struct nandfs_device *, uint64_t); int nandfs_markgc_segment(struct nandfs_device *, uint64_t); int nandfs_bmap_insert_block(struct nandfs_node *, nandfs_lbn_t, struct buf *); int nandfs_bmap_update_block(struct nandfs_node *, struct buf *, nandfs_lbn_t); int nandfs_bmap_update_dat(struct nandfs_node *, nandfs_daddr_t, struct buf *); int nandfs_bmap_dirty_blocks(struct nandfs_node *, struct buf *, int); int nandfs_bmap_truncate_mapping(struct nandfs_node *, nandfs_lbn_t, nandfs_lbn_t); int nandfs_bmap_lookup(struct nandfs_node *, nandfs_lbn_t, nandfs_daddr_t *); /* dirent */ int nandfs_add_dirent(struct vnode *, uint64_t, char *, long, uint8_t); int nandfs_remove_dirent(struct vnode *, struct nandfs_node *, struct componentname *); int nandfs_update_dirent(struct vnode *, struct nandfs_node *, struct nandfs_node *); int nandfs_init_dir(struct vnode *, uint64_t, uint64_t); int nandfs_update_parent_dir(struct vnode *, uint64_t); void nandfs_vblk_set(struct buf *, nandfs_daddr_t); nandfs_daddr_t nandfs_vblk_get(struct buf *); void nandfs_inode_init(struct nandfs_inode *, uint16_t); void nandfs_inode_destroy(struct nandfs_inode *); /* ioctl */ int nandfs_get_seg_stat(struct nandfs_device *, struct nandfs_seg_stat *); int nandfs_chng_cpmode(struct nandfs_node *, struct nandfs_cpmode *); int nandfs_get_cpinfo_ioctl(struct nandfs_node *, struct nandfs_argv *); int nandfs_delete_cp(struct nandfs_node *, uint64_t start, uint64_t); int nandfs_make_snap(struct nandfs_device *, uint64_t *); int nandfs_delete_snap(struct nandfs_device *, uint64_t); int nandfs_get_cpstat(struct nandfs_node *, struct nandfs_cpstat *); int nandfs_get_segment_info_ioctl(struct nandfs_device *, struct nandfs_argv *); int nandfs_get_dat_vinfo_ioctl(struct nandfs_device *, struct nandfs_argv *); int nandfs_get_dat_bdescs_ioctl(struct nandfs_device *, struct nandfs_argv *); int nandfs_get_fsinfo(struct nandfsmount *, struct nandfs_fsinfo *); int nandfs_get_cpinfo(struct nandfs_node *, uint64_t, uint16_t, struct nandfs_cpinfo *, uint32_t, uint32_t *); nandfs_lbn_t nandfs_get_maxfilesize(struct nandfs_device *); int nandfs_write_superblock(struct nandfs_device *); extern int nandfs_sync_interval; extern int nandfs_max_dirty_segs; extern int nandfs_cps_between_sblocks; struct buf *nandfs_geteblk(int, int); void nandfs_dirty_bufs_increment(struct nandfs_device *); void nandfs_dirty_bufs_decrement(struct nandfs_device *); int nandfs_start_cleaner(struct nandfs_device *); int nandfs_stop_cleaner(struct nandfs_device *); int nandfs_segsum_valid(struct nandfs_segment_summary *); int nandfs_load_segsum(struct nandfs_device *, nandfs_daddr_t, struct nandfs_segment_summary *); int nandfs_get_segment_info(struct nandfs_device *, struct nandfs_suinfo *, uint32_t, uint64_t); int nandfs_get_segment_info_filter(struct nandfs_device *, struct nandfs_suinfo *, uint32_t, uint64_t, uint64_t *, uint32_t, uint32_t); int nandfs_get_dat_vinfo(struct nandfs_device *, struct nandfs_vinfo *, uint32_t); int nandfs_get_dat_bdescs(struct nandfs_device *, struct nandfs_bdesc *, uint32_t); #define NANDFS_VBLK_ASSIGNED 1 #define NANDFS_IS_INDIRECT(bp) ((bp)->b_lblkno < 0) int nandfs_erase(struct nandfs_device *, off_t, size_t); #define NANDFS_VOP_ISLOCKED(vp) nandfs_vop_islocked((vp)) int nandfs_vop_islocked(struct vnode *vp); nandfs_daddr_t nandfs_block_to_dblock(struct nandfs_device *, nandfs_lbn_t); #define DEBUG_MODE #if defined(DEBUG_MODE) #define nandfs_error panic #define nandfs_warning printf #elif defined(TEST_MODE) #define nandfs_error printf #define nandfs_warning printf #else #define nandfs_error(...) #define nandfs_warning(...) #endif #endif /* !_FS_NANDFS_NANDFS_SUBR_H_ */