fs/nandfs/nandfs_subr.c

66 void nandfs_bdflush(struct bufobj *bo, struct buf *bp);
95 nandfs_bdflush(bo, bp)
97 	struct buf *bp;
105 	vp = bp->b_vp;
109 	if (NANDFS_IS_INDIRECT(bp))
424 	struct buf *bp;
445 	error = nandfs_bread(dat_node, ldatblknr, NOCRED, 0, &bp);
449 		brelse(bp);
455 	entry = ((struct nandfs_dat_entry *) bp->b_data) + entry_in_block;
457 	    entry, bp->b_data, entry_in_block))
463 	brelse(bp);
484 	struct buf *bp;
490 	error = nandfs_dev_bread(fsdev, blocknr, NOCRED, 0, &bp);
494 	memcpy(segsum, bp->b_data, sizeof(struct nandfs_segment_summary));
495 	brelse(bp);
511 	struct buf *bp;
527 	error = nandfs_dev_bread(nandfsdev, blocknr, NOCRED, 0, &bp);
531 	memcpy(&super_root, bp->b_data, sizeof(struct nandfs_super_root));
532 	brelse(bp);
702 	struct buf *bp;
733 	error = nandfs_bread(nmp->nm_ifile_node, ivblocknr, NOCRED, 0, &bp);
735 		brelse(bp);
741 	entry = (struct nandfs_inode *) bp->b_data + entry_in_block;
743 	brelse(bp);
791 	struct buf *bp;
812 	error = nandfs_bread(dir_node, blocknr, NOCRED, 0, &bp);
814 		brelse(bp);
821 			brelse(bp);
823 			    &bp);
825 				brelse(bp);
831 		pos = (uint8_t *) bp->b_data + blkoff;
850 	brelse(bp);
920 _nandfs_dirty_buf(struct buf *bp, int dirty_meta, int force)
926 	if (NANDFS_ISGATHERED(bp)) {
927 		bqrelse(bp);
930 	if ((bp->b_flags & (B_MANAGED | B_DELWRI)) == (B_MANAGED | B_DELWRI)) {
931 		bqrelse(bp);
935 	node = VTON(bp->b_vp);
937 	DPRINTF(BUF, ("%s: buf:%p\n", __func__, bp));
941 		brelse(bp);
945 	bp->b_flags |= B_MANAGED;
946 	bdwrite(bp);
950 	KASSERT((bp->b_vp), ("vp missing for bp"));
951 	KASSERT((nandfs_vblk_get(bp) || ino == NANDFS_DAT_INO),
952 	    ("bp vblk is 0"));
959 		nandfs_bmap_dirty_blocks(VTON(bp->b_vp), bp, 1);
977 nandfs_dirty_buf(struct buf *bp, int force)
980 	return (_nandfs_dirty_buf(bp, 1, force));
984 nandfs_dirty_buf_meta(struct buf *bp, int force)
987 	return (_nandfs_dirty_buf(bp, 0, force));
991 nandfs_undirty_buf_fsdev(struct nandfs_device *nffsdev, struct buf *bp)
994 	BUF_ASSERT_HELD(bp);
996 	if (bp->b_flags & B_DELWRI) {
997 		bp->b_flags &= ~(B_DELWRI|B_MANAGED);
1003 	bp->b_flags &= ~B_DEFERRED;
1005 	brelse(bp);
1009 nandfs_undirty_buf(struct buf *bp)
1013 	node = VTON(bp->b_vp);
1015 	nandfs_undirty_buf_fsdev(node->nn_nandfsdev, bp);
1019 nandfs_vblk_set(struct buf *bp, nandfs_daddr_t blocknr)
1022 	nandfs_daddr_t *vblk = (nandfs_daddr_t *)(&bp->b_fsprivate1);
1027 nandfs_vblk_get(struct buf *bp)
1030 	nandfs_daddr_t *vblk = (nandfs_daddr_t *)(&bp->b_fsprivate1);
1035 nandfs_buf_set(struct buf *bp, uint32_t bits)
1039 	flags = (uintptr_t)bp->b_fsprivate3;
1041 	bp->b_fsprivate3 = (void *)flags;
1045 nandfs_buf_clear(struct buf *bp, uint32_t bits)
1049 	flags = (uintptr_t)bp->b_fsprivate3;
1051 	bp->b_fsprivate3 = (void *)flags;
1055 nandfs_buf_check(struct buf *bp, uint32_t bits)
1059 	flags = (uintptr_t)bp->b_fsprivate3;
1068 	struct buf *bp;
1089 		    read_size, NOCRED, &bp);
1091 			brelse(bp);
1094 		memset(bp->b_data, 0xff, read_size);
1095 		error = bwrite(bp);