dev/vn/shadow.c

75 #define UINT32_ALL_ONES			((uint32_t)(-1))
90     uint32_t		blocks_per_band;/* size in blocks */
91     uint32_t		block_size;
94     uint32_t		file_size_blocks;	/* size of file in bands */
95     uint32_t		shadow_size_bands;	/* size of shadow in bands */
96     uint32_t 		next_band;		/* next free band */
97     uint32_t		zeroth_band;		/* special-case 0th band */
102     uint32_t	byte;
103     uint32_t	bit;
154 bitmap_set(u_char * map, uint32_t start_bit, uint32_t bit_count)
162 	uint32_t n_bytes;
174 	while (n_bytes >= (sizeof(uint32_t))) {
175 	    *((uint32_t *)(map + start.byte)) = UINT32_ALL_ONES;
176 	    start.byte += sizeof(uint32_t);
177 	    n_bytes -= sizeof(uint32_t);
211 static uint32_t
212 bitmap_get(u_char * map, uint32_t start_bit, uint32_t bit_count,
215     uint32_t		count;
228 	uint32_t n_bytes;
249 	while (n_bytes >= sizeof(uint32_t)) {
250 	    uint32_t * valPtr = (uint32_t *)(map + start.byte);
313 shadow_map_block_to_band(shadow_map_t * map, uint32_t block)
364 static uint32_t
365 shadow_map_contiguous(shadow_map_t * map, uint32_t start_block,
366 		      uint32_t num_blocks, boolean_t is_write)
369     uint32_t		end_block = start_block + num_blocks;
372     uint32_t		ret_end_block = end_block;
373     uint32_t		p;
422 static __inline__ uint32_t
423 block_bitmap_size(off_t file_size, uint32_t block_size)
451 shadow_map_read(shadow_map_t * map, uint32_t block_offset, uint32_t block_count,
452 		uint32_t * incr_block_offset, uint32_t * incr_block_count)
455     uint32_t		n_blocks;
471 	uint32_t		band_limit;
503 shadow_map_write(shadow_map_t * map, uint32_t block_offset,
504 		 uint32_t block_count, uint32_t * incr_block_offset,
505 		 uint32_t * incr_block_count)
507     uint32_t		band_limit;
535 shadow_map_is_written(shadow_map_t * map, uint32_t block_offset)
549 uint32_t
566 		  uint32_t band_size, uint32_t block_size)
569     uint32_t		bitmap_size;
572     uint32_t		n_bands = 0;
653     uint32_t	offset;
654     uint32_t	count;
678 	uint32_t		offset;
679 	uint32_t		resid;
694 		uint32_t this_offset;
695 		uint32_t this_count;
713 		uint32_t this_offset;
714 		uint32_t this_count;