45 	struct sysv_sb_info * sbi = SYSV_SB(sb);  in sysv_free_block()  local
47 	sysv_zone_t *blocks = sbi->s_bcache;  in sysv_free_block()
49 	unsigned block = fs32_to_cpu(sbi, nr);  in sysv_free_block()
56 	if (sbi->s_type == FSTYPE_AFS)  in sysv_free_block()
59 	if (block < sbi->s_firstdatazone || block >= sbi->s_nzones) {  in sysv_free_block()
64 	mutex_lock(&sbi->s_lock);  in sysv_free_block()
65 	count = fs16_to_cpu(sbi, *sbi->s_bcache_count);  in sysv_free_block()
67 	if (count > sbi->s_flc_size) {  in sysv_free_block()
69 		mutex_unlock(&sbi->s_lock);  in sysv_free_block()
76 	if (count == sbi->s_flc_size || count == 0) {  in sysv_free_block()
77 		block += sbi->s_block_base;  in sysv_free_block()
81 			mutex_unlock(&sbi->s_lock);  in sysv_free_block()
85 		*(__fs16*)bh->b_data = cpu_to_fs16(sbi, count);  in sysv_free_block()
92 	sbi->s_bcache[count++] = nr;  in sysv_free_block()
94 	*sbi->s_bcache_count = cpu_to_fs16(sbi, count);  in sysv_free_block()
95 	fs32_add(sbi, sbi->s_free_blocks, 1);  in sysv_free_block()
97 	mutex_unlock(&sbi->s_lock);  in sysv_free_block()
102 	struct sysv_sb_info *sbi = SYSV_SB(sb);  in sysv_new_block()  local
108 	mutex_lock(&sbi->s_lock);  in sysv_new_block()
109 	count = fs16_to_cpu(sbi, *sbi->s_bcache_count);  in sysv_new_block()
113 	nr = sbi->s_bcache[--count];  in sysv_new_block()
117 	block = fs32_to_cpu(sbi, nr);  in sysv_new_block()
119 	*sbi->s_bcache_count = cpu_to_fs16(sbi, count);  in sysv_new_block()
121 	if (block < sbi->s_firstdatazone || block >= sbi->s_nzones) {  in sysv_new_block()
130 		block += sbi->s_block_base;  in sysv_new_block()
134 			*sbi->s_bcache_count = cpu_to_fs16(sbi, 1);  in sysv_new_block()
137 		count = fs16_to_cpu(sbi, *(__fs16*)bh->b_data);  in sysv_new_block()
138 		if (count > sbi->s_flc_size) {  in sysv_new_block()
143 		*sbi->s_bcache_count = cpu_to_fs16(sbi, count);  in sysv_new_block()
144 		memcpy(sbi->s_bcache, get_chunk(sb, bh),  in sysv_new_block()
149 	fs32_add(sbi, sbi->s_free_blocks, -1);  in sysv_new_block()
151 	mutex_unlock(&sbi->s_lock);  in sysv_new_block()
155 	mutex_unlock(&sbi->s_lock);  in sysv_new_block()
161 	struct sysv_sb_info * sbi = SYSV_SB(sb);  in sysv_count_free_blocks()  local
174 	if (sbi->s_type == FSTYPE_AFS)  in sysv_count_free_blocks()
177 	mutex_lock(&sbi->s_lock);  in sysv_count_free_blocks()
178 	sb_count = fs32_to_cpu(sbi, *sbi->s_free_blocks);  in sysv_count_free_blocks()
185 	n = fs16_to_cpu(sbi, *sbi->s_bcache_count);  in sysv_count_free_blocks()
186 	blocks = sbi->s_bcache;  in sysv_count_free_blocks()
189 		if (n > sbi->s_flc_size)  in sysv_count_free_blocks()
197 		block = fs32_to_cpu(sbi, zone);  in sysv_count_free_blocks()
201 		if (block < sbi->s_firstdatazone || block >= sbi->s_nzones)  in sysv_count_free_blocks()
203 		block += sbi->s_block_base;  in sysv_count_free_blocks()
207 		n = fs16_to_cpu(sbi, *(__fs16*)bh->b_data);  in sysv_count_free_blocks()
215 	mutex_unlock(&sbi->s_lock);  in sysv_count_free_blocks()
236 		*sbi->s_free_blocks = cpu_to_fs32(sbi, count);  in sysv_count_free_blocks()