207 static inline void set_nilfs_##name(struct the_nilfs *nilfs)		\
209 	set_bit(THE_NILFS_##bit, &(nilfs)->ns_flags);			\
211 static inline void clear_nilfs_##name(struct the_nilfs *nilfs)		\
213 	clear_bit(THE_NILFS_##bit, &(nilfs)->ns_flags);			\
215 static inline int nilfs_##name(struct the_nilfs *nilfs)			\
217 	return test_bit(THE_NILFS_##bit, &(nilfs)->ns_flags);		\
228 #define nilfs_clear_opt(nilfs, opt)  \  argument
229 	do { (nilfs)->ns_mount_opt &= ~NILFS_MOUNT_##opt; } while (0)
230 #define nilfs_set_opt(nilfs, opt)  \  argument
231 	do { (nilfs)->ns_mount_opt |= NILFS_MOUNT_##opt; } while (0)
232 #define nilfs_test_opt(nilfs, opt) ((nilfs)->ns_mount_opt & NILFS_MOUNT_##opt)  argument
233 #define nilfs_write_opt(nilfs, mask, opt)				\  argument
234 	do { (nilfs)->ns_mount_opt =					\
235 		(((nilfs)->ns_mount_opt & ~NILFS_MOUNT_##mask) |	\
256 	struct the_nilfs *nilfs;  member
273 static inline int nilfs_sb_need_update(struct the_nilfs *nilfs)  in nilfs_sb_need_update()  argument
276 	return t < nilfs->ns_sbwtime ||  in nilfs_sb_need_update()
277 		t > nilfs->ns_sbwtime + nilfs->ns_sb_update_freq;  in nilfs_sb_need_update()
280 static inline int nilfs_sb_will_flip(struct the_nilfs *nilfs)  in nilfs_sb_will_flip()  argument
282 	int flip_bits = nilfs->ns_sbwcount & 0x0FL;  in nilfs_sb_will_flip()
288 void destroy_nilfs(struct the_nilfs *nilfs);
289 int init_nilfs(struct the_nilfs *nilfs, struct super_block *sb, char *data);
290 int load_nilfs(struct the_nilfs *nilfs, struct super_block *sb);
291 unsigned long nilfs_nrsvsegs(struct the_nilfs *nilfs, unsigned long nsegs);
292 void nilfs_set_nsegments(struct the_nilfs *nilfs, unsigned long nsegs);
295 struct nilfs_root *nilfs_lookup_root(struct the_nilfs *nilfs, __u64 cno);
296 struct nilfs_root *nilfs_find_or_create_root(struct the_nilfs *nilfs,
309 static inline int nilfs_valid_fs(struct the_nilfs *nilfs)  in nilfs_valid_fs()  argument
313 	down_read(&nilfs->ns_sem);  in nilfs_valid_fs()
314 	valid_fs = (nilfs->ns_mount_state & NILFS_VALID_FS);  in nilfs_valid_fs()
315 	up_read(&nilfs->ns_sem);  in nilfs_valid_fs()
320 nilfs_get_segment_range(struct the_nilfs *nilfs, __u64 segnum,  in nilfs_get_segment_range()  argument
323 	*seg_start = (sector_t)nilfs->ns_blocks_per_segment * segnum;  in nilfs_get_segment_range()
324 	*seg_end = *seg_start + nilfs->ns_blocks_per_segment - 1;  in nilfs_get_segment_range()
326 		*seg_start = nilfs->ns_first_data_block;  in nilfs_get_segment_range()
330 nilfs_get_segment_start_blocknr(struct the_nilfs *nilfs, __u64 segnum)  in nilfs_get_segment_start_blocknr()  argument
332 	return (segnum == 0) ? nilfs->ns_first_data_block :  in nilfs_get_segment_start_blocknr()
333 		(sector_t)nilfs->ns_blocks_per_segment * segnum;  in nilfs_get_segment_start_blocknr()
337 nilfs_get_segnum_of_block(struct the_nilfs *nilfs, sector_t blocknr)  in nilfs_get_segnum_of_block()  argument
341 	sector_div(segnum, nilfs->ns_blocks_per_segment);  in nilfs_get_segnum_of_block()
346 nilfs_terminate_segment(struct the_nilfs *nilfs, sector_t seg_start,  in nilfs_terminate_segment()  argument
350 	nilfs->ns_pseg_offset = seg_end - seg_start + 1;  in nilfs_terminate_segment()
353 static inline void nilfs_shift_to_next_segment(struct the_nilfs *nilfs)  in nilfs_shift_to_next_segment()  argument
356 	nilfs->ns_segnum = nilfs->ns_nextnum;  in nilfs_shift_to_next_segment()
357 	nilfs->ns_pseg_offset = 0;  in nilfs_shift_to_next_segment()
358 	nilfs->ns_seg_seq++;  in nilfs_shift_to_next_segment()
361 static inline __u64 nilfs_last_cno(struct the_nilfs *nilfs)  in nilfs_last_cno()  argument
365 	spin_lock(&nilfs->ns_last_segment_lock);  in nilfs_last_cno()
366 	cno = nilfs->ns_last_cno;  in nilfs_last_cno()
367 	spin_unlock(&nilfs->ns_last_segment_lock);  in nilfs_last_cno()
371 static inline int nilfs_segment_is_active(struct the_nilfs *nilfs, __u64 n)  in nilfs_segment_is_active()  argument
373 	return n == nilfs->ns_segnum || n == nilfs->ns_nextnum;  in nilfs_segment_is_active()
376 static inline int nilfs_flush_device(struct the_nilfs *nilfs)  in nilfs_flush_device()  argument
380 	if (!nilfs_test_opt(nilfs, BARRIER) || nilfs->ns_flushed_device)  in nilfs_flush_device()
383 	nilfs->ns_flushed_device = 1;  in nilfs_flush_device()
390 	err = blkdev_issue_flush(nilfs->ns_bdev, GFP_KERNEL, NULL);  in nilfs_flush_device()