Lines Matching full:segment

3  * NILFS segment usage file.
25  * @allocmin: lower limit of allocatable segment range
26  * @allocmax: upper limit of allocatable segment range
31 	__u64 allocmin;		/* lower limit of allocatable segment range */
32 	__u64 allocmax;		/* upper limit of allocatable segment range */
121  * @sufile: inode of segment usage file
129  * nilfs_sufile_updatev - modify multiple segment usages at a time
130  * @sufile: inode of segment usage file
131  * @segnumv: array of segment numbers
140  * segment usage entry is contained.  If @ndone is given, the number
151  * %-ENOENT - Given segment usage is in hole block (may be returned if
154  * %-EINVAL - Invalid segment usage number
175 				   "%s: invalid segment number: %llu",  in nilfs_sufile_updatev()
233 		nilfs_warn(sufile->i_sb, "%s: invalid segment number: %llu",  in nilfs_sufile_update()
256  * nilfs_sufile_set_alloc_range - limit range of segment to be allocated
257  * @sufile: inode of segment usage file
258  * @start: minimum segment number of allocatable region (inclusive)
259  * @end: maximum segment number of allocatable region (inclusive)
264  * %-ERANGE - invalid segment region
285  * nilfs_sufile_alloc - allocate a segment
286  * @sufile: inode of segment usage file
287  * @segnump: pointer to segment number
289  * Description: nilfs_sufile_alloc() allocates a clean segment.
291  * Return Value: On success, 0 is returned and the segment number of the
292  * allocated segment is stored in the place pointed by @segnump. On error, one
299  * %-ENOSPC - No clean segment left.
364 			/* found a clean segment */  in nilfs_sufile_alloc()
412 		nilfs_warn(sufile->i_sb, "%s: segment %llu must be clean",  in nilfs_sufile_do_cancel_free()
445 	/* make the segment garbage */  in nilfs_sufile_do_scrap()
469 		nilfs_warn(sufile->i_sb, "%s: segment %llu is already clean",  in nilfs_sufile_do_free()
491  * nilfs_sufile_mark_dirty - mark the buffer having a segment usage dirty
492  * @sufile: inode of segment usage file
493  * @segnum: segment number
518  * nilfs_sufile_set_segment_usage - set usage of a segment
519  * @sufile: inode of segment usage file
520  * @segnum: segment number
521  * @nblocks: number of live blocks in the segment
555  * nilfs_sufile_get_stat - get segment usage statistics
556  * @sufile: inode of segment usage file
557  * @sustat: pointer to a structure of segment usage statistics
559  * Description: nilfs_sufile_get_stat() returns information about segment
562  * Return Value: On success, 0 is returned, and segment usage information is
629  * nilfs_sufile_truncate_range - truncate range of segment array
630  * @sufile: inode of segment usage file
631  * @start: start segment number (inclusive)
632  * @end: end segment number (inclusive)
734  * nilfs_sufile_resize - resize segment array
735  * @sufile: inode of segment usage file
785 		 * the segment allocation space while locking the semaphore  in nilfs_sufile_resize()
811  * @sufile: inode of segment usage file
812  * @segnum: segment number to start looking
885  * nilfs_sufile_set_suinfo - sets segment usage info
886  * @sufile: inode of segment usage file
892  * segment usage accordingly. Only the fields indicated by the sup_flags
902  * %-EINVAL - Invalid values in input (segment number, flags or nblocks)
1017  * @sufile: inode of segment usage file
1026  * and start+len is rounded down. For each clean segment blkdev_issue_discard
1170  * @susize: size of a segment usage entry
1185 		nilfs_err(sb, "too large segment usage size: %zu bytes",  in nilfs_sufile_read()
1189 		nilfs_err(sb, "too small segment usage size: %zu bytes",  in nilfs_sufile_read()