195 static inline void set_nilfs_##name(struct the_nilfs *nilfs)		\
197 	set_bit(THE_NILFS_##bit, &(nilfs)->ns_flags);			\
199 static inline void clear_nilfs_##name(struct the_nilfs *nilfs)		\
201 	clear_bit(THE_NILFS_##bit, &(nilfs)->ns_flags);			\
203 static inline int nilfs_##name(struct the_nilfs *nilfs)			\
205 	return test_bit(THE_NILFS_##bit, &(nilfs)->ns_flags);		\
217 #define nilfs_clear_opt(nilfs, opt)  \  argument
218 	((nilfs)->ns_mount_opt &= ~NILFS_MOUNT_##opt)
219 #define nilfs_set_opt(nilfs, opt)  \  argument
220 	((nilfs)->ns_mount_opt |= NILFS_MOUNT_##opt)
221 #define nilfs_test_opt(nilfs, opt) ((nilfs)->ns_mount_opt & NILFS_MOUNT_##opt)  argument
222 #define nilfs_write_opt(nilfs, mask, opt)				\  argument
223 	((nilfs)->ns_mount_opt =					\
224 		(((nilfs)->ns_mount_opt & ~NILFS_MOUNT_##mask) |	\
244 	struct the_nilfs *nilfs;  member
261 static inline int nilfs_sb_need_update(struct the_nilfs *nilfs)  in nilfs_sb_need_update()  argument
265 	return t < nilfs->ns_sbwtime ||  in nilfs_sb_need_update()
266 		t > nilfs->ns_sbwtime + nilfs->ns_sb_update_freq;  in nilfs_sb_need_update()
269 static inline int nilfs_sb_will_flip(struct the_nilfs *nilfs)  in nilfs_sb_will_flip()  argument
271 	int flip_bits = nilfs->ns_sbwcount & 0x0FL;  in nilfs_sb_will_flip()
278 void destroy_nilfs(struct the_nilfs *nilfs);
279 int init_nilfs(struct the_nilfs *nilfs, struct super_block *sb, char *data);
280 int load_nilfs(struct the_nilfs *nilfs, struct super_block *sb);
281 unsigned long nilfs_nrsvsegs(struct the_nilfs *nilfs, unsigned long nsegs);
282 void nilfs_set_nsegments(struct the_nilfs *nilfs, unsigned long nsegs);
285 struct nilfs_root *nilfs_lookup_root(struct the_nilfs *nilfs, __u64 cno);
286 struct nilfs_root *nilfs_find_or_create_root(struct the_nilfs *nilfs,
299 static inline int nilfs_valid_fs(struct the_nilfs *nilfs)  in nilfs_valid_fs()  argument
303 	down_read(&nilfs->ns_sem);  in nilfs_valid_fs()
304 	valid_fs = (nilfs->ns_mount_state & NILFS_VALID_FS);  in nilfs_valid_fs()
305 	up_read(&nilfs->ns_sem);  in nilfs_valid_fs()
310 nilfs_get_segment_range(struct the_nilfs *nilfs, __u64 segnum,  in nilfs_get_segment_range()  argument
313 	*seg_start = (sector_t)nilfs->ns_blocks_per_segment * segnum;  in nilfs_get_segment_range()
314 	*seg_end = *seg_start + nilfs->ns_blocks_per_segment - 1;  in nilfs_get_segment_range()
316 		*seg_start = nilfs->ns_first_data_block;  in nilfs_get_segment_range()
320 nilfs_get_segment_start_blocknr(struct the_nilfs *nilfs, __u64 segnum)  in nilfs_get_segment_start_blocknr()  argument
322 	return (segnum == 0) ? nilfs->ns_first_data_block :  in nilfs_get_segment_start_blocknr()
323 		(sector_t)nilfs->ns_blocks_per_segment * segnum;  in nilfs_get_segment_start_blocknr()
327 nilfs_get_segnum_of_block(struct the_nilfs *nilfs, sector_t blocknr)  in nilfs_get_segnum_of_block()  argument
331 	sector_div(segnum, nilfs->ns_blocks_per_segment);  in nilfs_get_segnum_of_block()
336 nilfs_terminate_segment(struct the_nilfs *nilfs, sector_t seg_start,  in nilfs_terminate_segment()  argument
340 	nilfs->ns_pseg_offset = seg_end - seg_start + 1;  in nilfs_terminate_segment()
343 static inline void nilfs_shift_to_next_segment(struct the_nilfs *nilfs)  in nilfs_shift_to_next_segment()  argument
346 	nilfs->ns_segnum = nilfs->ns_nextnum;  in nilfs_shift_to_next_segment()
347 	nilfs->ns_pseg_offset = 0;  in nilfs_shift_to_next_segment()
348 	nilfs->ns_seg_seq++;  in nilfs_shift_to_next_segment()
351 static inline __u64 nilfs_last_cno(struct the_nilfs *nilfs)  in nilfs_last_cno()  argument
355 	spin_lock(&nilfs->ns_last_segment_lock);  in nilfs_last_cno()
356 	cno = nilfs->ns_last_cno;  in nilfs_last_cno()
357 	spin_unlock(&nilfs->ns_last_segment_lock);  in nilfs_last_cno()
361 static inline int nilfs_segment_is_active(struct the_nilfs *nilfs, __u64 n)  in nilfs_segment_is_active()  argument
363 	return n == nilfs->ns_segnum || n == nilfs->ns_nextnum;  in nilfs_segment_is_active()
366 static inline int nilfs_flush_device(struct the_nilfs *nilfs)  in nilfs_flush_device()  argument
370 	if (!nilfs_test_opt(nilfs, BARRIER) || nilfs->ns_flushed_device)  in nilfs_flush_device()
373 	nilfs->ns_flushed_device = 1;  in nilfs_flush_device()
380 	err = blkdev_issue_flush(nilfs->ns_bdev);  in nilfs_flush_device()