Lines Matching full:sci
90 static inline void nilfs_sc_cstage_inc(struct nilfs_sc_info *sci) in nilfs_sc_cstage_inc() argument
92 sci->sc_stage.scnt++; in nilfs_sc_cstage_inc()
93 trace_nilfs2_collection_stage_transition(sci); in nilfs_sc_cstage_inc()
96 static inline void nilfs_sc_cstage_set(struct nilfs_sc_info *sci, int next_scnt) in nilfs_sc_cstage_set() argument
98 sci->sc_stage.scnt = next_scnt; in nilfs_sc_cstage_set()
99 trace_nilfs2_collection_stage_transition(sci); in nilfs_sc_cstage_set()
102 static inline int nilfs_sc_cstage_get(struct nilfs_sc_info *sci) in nilfs_sc_cstage_get() argument
104 return sci->sc_stage.scnt; in nilfs_sc_cstage_get()
271 struct nilfs_sc_info *sci = nilfs->ns_writer; in nilfs_transaction_commit() local
274 nilfs_segctor_start_timer(sci); in nilfs_transaction_commit()
275 if (atomic_read(&nilfs->ns_ndirtyblks) > sci->sc_watermark) in nilfs_transaction_commit()
276 nilfs_segctor_do_flush(sci, 0); in nilfs_transaction_commit()
318 struct nilfs_sc_info *sci = nilfs->ns_writer; in nilfs_relax_pressure_in_lock() local
320 if (!sci || !sci->sc_flush_request) in nilfs_relax_pressure_in_lock()
323 set_bit(NILFS_SC_PRIOR_FLUSH, &sci->sc_flags); in nilfs_relax_pressure_in_lock()
327 if (sci->sc_flush_request && in nilfs_relax_pressure_in_lock()
328 test_bit(NILFS_SC_PRIOR_FLUSH, &sci->sc_flags)) { in nilfs_relax_pressure_in_lock()
332 nilfs_segctor_do_immediate_flush(sci); in nilfs_relax_pressure_in_lock()
344 struct nilfs_sc_info *sci = nilfs->ns_writer; in nilfs_transaction_lock() local
358 if (!test_bit(NILFS_SC_PRIOR_FLUSH, &sci->sc_flags)) in nilfs_transaction_lock()
361 nilfs_segctor_do_immediate_flush(sci); in nilfs_transaction_lock()
388 static void *nilfs_segctor_map_segsum_entry(struct nilfs_sc_info *sci, in nilfs_segctor_map_segsum_entry() argument
392 struct nilfs_segment_buffer *segbuf = sci->sc_curseg; in nilfs_segctor_map_segsum_entry()
393 unsigned int blocksize = sci->sc_super->s_blocksize; in nilfs_segctor_map_segsum_entry()
409 * @sci: nilfs_sc_info
411 static int nilfs_segctor_reset_segment_buffer(struct nilfs_sc_info *sci) in nilfs_segctor_reset_segment_buffer() argument
413 struct nilfs_segment_buffer *segbuf = sci->sc_curseg; in nilfs_segctor_reset_segment_buffer()
421 err = nilfs_segbuf_reset(segbuf, flags, sci->sc_seg_ctime, sci->sc_cno); in nilfs_segctor_reset_segment_buffer()
427 sci->sc_finfo_ptr.bh = sumbh; sci->sc_finfo_ptr.offset = sumbytes; in nilfs_segctor_reset_segment_buffer()
428 sci->sc_binfo_ptr.bh = sumbh; sci->sc_binfo_ptr.offset = sumbytes; in nilfs_segctor_reset_segment_buffer()
429 sci->sc_blk_cnt = sci->sc_datablk_cnt = 0; in nilfs_segctor_reset_segment_buffer()
433 static int nilfs_segctor_feed_segment(struct nilfs_sc_info *sci) in nilfs_segctor_feed_segment() argument
435 sci->sc_nblk_this_inc += sci->sc_curseg->sb_sum.nblocks; in nilfs_segctor_feed_segment()
436 if (NILFS_SEGBUF_IS_LAST(sci->sc_curseg, &sci->sc_segbufs)) in nilfs_segctor_feed_segment()
441 sci->sc_curseg = NILFS_NEXT_SEGBUF(sci->sc_curseg); in nilfs_segctor_feed_segment()
442 return nilfs_segctor_reset_segment_buffer(sci); in nilfs_segctor_feed_segment()
445 static int nilfs_segctor_add_super_root(struct nilfs_sc_info *sci) in nilfs_segctor_add_super_root() argument
447 struct nilfs_segment_buffer *segbuf = sci->sc_curseg; in nilfs_segctor_add_super_root()
451 err = nilfs_segctor_feed_segment(sci); in nilfs_segctor_add_super_root()
454 segbuf = sci->sc_curseg; in nilfs_segctor_add_super_root()
466 struct nilfs_sc_info *sci, const struct nilfs_segsum_pointer *ssp, in nilfs_segctor_segsum_block_required() argument
469 unsigned int blocksize = sci->sc_super->s_blocksize; in nilfs_segctor_segsum_block_required()
473 (!sci->sc_blk_cnt ? sizeof(struct nilfs_finfo) : 0) > in nilfs_segctor_segsum_block_required()
477 static void nilfs_segctor_begin_finfo(struct nilfs_sc_info *sci, in nilfs_segctor_begin_finfo() argument
480 sci->sc_curseg->sb_sum.nfinfo++; in nilfs_segctor_begin_finfo()
481 sci->sc_binfo_ptr = sci->sc_finfo_ptr; in nilfs_segctor_begin_finfo()
483 sci, &sci->sc_binfo_ptr, sizeof(struct nilfs_finfo)); in nilfs_segctor_begin_finfo()
486 !test_bit(NILFS_SC_HAVE_DELTA, &sci->sc_flags)) in nilfs_segctor_begin_finfo()
487 set_bit(NILFS_SC_HAVE_DELTA, &sci->sc_flags); in nilfs_segctor_begin_finfo()
491 static void nilfs_segctor_end_finfo(struct nilfs_sc_info *sci, in nilfs_segctor_end_finfo() argument
499 if (sci->sc_blk_cnt == 0) in nilfs_segctor_end_finfo()
509 cno = sci->sc_cno; in nilfs_segctor_end_finfo()
511 finfo = nilfs_segctor_map_segsum_entry(sci, &sci->sc_finfo_ptr, in nilfs_segctor_end_finfo()
514 finfo->fi_nblocks = cpu_to_le32(sci->sc_blk_cnt); in nilfs_segctor_end_finfo()
515 finfo->fi_ndatablk = cpu_to_le32(sci->sc_datablk_cnt); in nilfs_segctor_end_finfo()
518 segbuf = sci->sc_curseg; in nilfs_segctor_end_finfo()
519 segbuf->sb_sum.sumbytes = sci->sc_binfo_ptr.offset + in nilfs_segctor_end_finfo()
520 sci->sc_super->s_blocksize * (segbuf->sb_sum.nsumblk - 1); in nilfs_segctor_end_finfo()
521 sci->sc_finfo_ptr = sci->sc_binfo_ptr; in nilfs_segctor_end_finfo()
522 sci->sc_blk_cnt = sci->sc_datablk_cnt = 0; in nilfs_segctor_end_finfo()
525 static int nilfs_segctor_add_file_block(struct nilfs_sc_info *sci, in nilfs_segctor_add_file_block() argument
534 segbuf = sci->sc_curseg; in nilfs_segctor_add_file_block()
536 sci, &sci->sc_binfo_ptr, binfo_size); in nilfs_segctor_add_file_block()
538 nilfs_segctor_end_finfo(sci, inode); in nilfs_segctor_add_file_block()
539 err = nilfs_segctor_feed_segment(sci); in nilfs_segctor_add_file_block()
549 if (sci->sc_blk_cnt == 0) in nilfs_segctor_add_file_block()
550 nilfs_segctor_begin_finfo(sci, inode); in nilfs_segctor_add_file_block()
552 nilfs_segctor_map_segsum_entry(sci, &sci->sc_binfo_ptr, binfo_size); in nilfs_segctor_add_file_block()
555 sci->sc_blk_cnt++; in nilfs_segctor_add_file_block()
563 static int nilfs_collect_file_data(struct nilfs_sc_info *sci, in nilfs_collect_file_data() argument
572 err = nilfs_segctor_add_file_block(sci, bh, inode, in nilfs_collect_file_data()
575 sci->sc_datablk_cnt++; in nilfs_collect_file_data()
579 static int nilfs_collect_file_node(struct nilfs_sc_info *sci, in nilfs_collect_file_node() argument
586 static int nilfs_collect_file_bmap(struct nilfs_sc_info *sci, in nilfs_collect_file_bmap() argument
591 return nilfs_segctor_add_file_block(sci, bh, inode, sizeof(__le64)); in nilfs_collect_file_bmap()
594 static void nilfs_write_file_data_binfo(struct nilfs_sc_info *sci, in nilfs_write_file_data_binfo() argument
599 sci, ssp, sizeof(*binfo_v)); in nilfs_write_file_data_binfo()
603 static void nilfs_write_file_node_binfo(struct nilfs_sc_info *sci, in nilfs_write_file_node_binfo() argument
608 sci, ssp, sizeof(*vblocknr)); in nilfs_write_file_node_binfo()
620 static int nilfs_collect_dat_data(struct nilfs_sc_info *sci, in nilfs_collect_dat_data() argument
629 err = nilfs_segctor_add_file_block(sci, bh, inode, sizeof(__le64)); in nilfs_collect_dat_data()
631 sci->sc_datablk_cnt++; in nilfs_collect_dat_data()
635 static int nilfs_collect_dat_bmap(struct nilfs_sc_info *sci, in nilfs_collect_dat_bmap() argument
639 return nilfs_segctor_add_file_block(sci, bh, inode, in nilfs_collect_dat_bmap()
643 static void nilfs_write_dat_data_binfo(struct nilfs_sc_info *sci, in nilfs_write_dat_data_binfo() argument
647 __le64 *blkoff = nilfs_segctor_map_segsum_entry(sci, ssp, in nilfs_write_dat_data_binfo()
652 static void nilfs_write_dat_node_binfo(struct nilfs_sc_info *sci, in nilfs_write_dat_node_binfo() argument
657 nilfs_segctor_map_segsum_entry(sci, ssp, sizeof(*binfo_dat)); in nilfs_write_dat_node_binfo()
798 struct nilfs_sc_info *sci = container_of(work, struct nilfs_sc_info, in nilfs_iput_work_func() local
800 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_iput_work_func()
802 nilfs_dispose_list(nilfs, &sci->sc_iput_queue, 0); in nilfs_iput_work_func()
821 static int nilfs_segctor_clean(struct nilfs_sc_info *sci) in nilfs_segctor_clean() argument
823 return list_empty(&sci->sc_dirty_files) && in nilfs_segctor_clean()
824 !test_bit(NILFS_SC_DIRTY, &sci->sc_flags) && in nilfs_segctor_clean()
825 sci->sc_nfreesegs == 0 && in nilfs_segctor_clean()
826 (!nilfs_doing_gc() || list_empty(&sci->sc_gc_inodes)); in nilfs_segctor_clean()
829 static int nilfs_segctor_confirm(struct nilfs_sc_info *sci) in nilfs_segctor_confirm() argument
831 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_confirm()
834 if (nilfs_test_metadata_dirty(nilfs, sci->sc_root)) in nilfs_segctor_confirm()
835 set_bit(NILFS_SC_DIRTY, &sci->sc_flags); in nilfs_segctor_confirm()
838 if (list_empty(&nilfs->ns_dirty_files) && nilfs_segctor_clean(sci)) in nilfs_segctor_confirm()
845 static void nilfs_segctor_clear_metadata_dirty(struct nilfs_sc_info *sci) in nilfs_segctor_clear_metadata_dirty() argument
847 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_clear_metadata_dirty()
849 nilfs_mdt_clear_dirty(sci->sc_root->ifile); in nilfs_segctor_clear_metadata_dirty()
855 static int nilfs_segctor_create_checkpoint(struct nilfs_sc_info *sci) in nilfs_segctor_create_checkpoint() argument
857 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_create_checkpoint()
881 static int nilfs_segctor_fill_in_checkpoint(struct nilfs_sc_info *sci) in nilfs_segctor_fill_in_checkpoint() argument
883 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_fill_in_checkpoint()
897 cpu_to_le64(atomic64_read(&sci->sc_root->inodes_count)); in nilfs_segctor_fill_in_checkpoint()
899 cpu_to_le64(atomic64_read(&sci->sc_root->blocks_count)); in nilfs_segctor_fill_in_checkpoint()
901 cpu_to_le64(sci->sc_nblk_inc + sci->sc_nblk_this_inc); in nilfs_segctor_fill_in_checkpoint()
902 raw_cp->cp_create = cpu_to_le64(sci->sc_seg_ctime); in nilfs_segctor_fill_in_checkpoint()
905 if (test_bit(NILFS_SC_HAVE_DELTA, &sci->sc_flags)) in nilfs_segctor_fill_in_checkpoint()
910 nilfs_write_inode_common(sci->sc_root->ifile, in nilfs_segctor_fill_in_checkpoint()
936 static void nilfs_segctor_fill_in_file_bmap(struct nilfs_sc_info *sci) in nilfs_segctor_fill_in_file_bmap() argument
940 list_for_each_entry(ii, &sci->sc_dirty_files, i_dirty) { in nilfs_segctor_fill_in_file_bmap()
941 nilfs_fill_in_file_bmap(sci->sc_root->ifile, ii); in nilfs_segctor_fill_in_file_bmap()
946 static void nilfs_segctor_fill_in_super_root(struct nilfs_sc_info *sci, in nilfs_segctor_fill_in_super_root() argument
953 bh_sr = NILFS_LAST_SEGBUF(&sci->sc_segbufs)->sb_super_root; in nilfs_segctor_fill_in_super_root()
961 nilfs->ns_nongc_ctime : sci->sc_seg_ctime); in nilfs_segctor_fill_in_super_root()
996 static int nilfs_segctor_apply_buffers(struct nilfs_sc_info *sci, in nilfs_segctor_apply_buffers() argument
1009 err = collect(sci, bh, inode); in nilfs_segctor_apply_buffers()
1027 static size_t nilfs_segctor_buffer_rest(struct nilfs_sc_info *sci) in nilfs_segctor_buffer_rest() argument
1030 return sci->sc_segbuf_nblocks - in nilfs_segctor_buffer_rest()
1031 (sci->sc_nblk_this_inc + sci->sc_curseg->sb_sum.nblocks); in nilfs_segctor_buffer_rest()
1034 static int nilfs_segctor_scan_file(struct nilfs_sc_info *sci, in nilfs_segctor_scan_file() argument
1042 if (!(sci->sc_stage.flags & NILFS_CF_NODE)) { in nilfs_segctor_scan_file()
1043 size_t n, rest = nilfs_segctor_buffer_rest(sci); in nilfs_segctor_scan_file()
1049 sci, inode, &data_buffers, in nilfs_segctor_scan_file()
1057 if (!(sci->sc_stage.flags & NILFS_CF_NODE)) { in nilfs_segctor_scan_file()
1059 sci, inode, &data_buffers, sc_ops->collect_data); in nilfs_segctor_scan_file()
1063 sci, inode, &node_buffers, NULL); in nilfs_segctor_scan_file()
1066 sci->sc_stage.flags |= NILFS_CF_NODE; in nilfs_segctor_scan_file()
1070 sci, inode, &node_buffers, sc_ops->collect_node); in nilfs_segctor_scan_file()
1076 sci, inode, &node_buffers, sc_ops->collect_bmap); in nilfs_segctor_scan_file()
1080 nilfs_segctor_end_finfo(sci, inode); in nilfs_segctor_scan_file()
1081 sci->sc_stage.flags &= ~NILFS_CF_NODE; in nilfs_segctor_scan_file()
1087 static int nilfs_segctor_scan_file_dsync(struct nilfs_sc_info *sci, in nilfs_segctor_scan_file_dsync() argument
1091 size_t n, rest = nilfs_segctor_buffer_rest(sci); in nilfs_segctor_scan_file_dsync()
1095 sci->sc_dsync_start, in nilfs_segctor_scan_file_dsync()
1096 sci->sc_dsync_end); in nilfs_segctor_scan_file_dsync()
1098 err = nilfs_segctor_apply_buffers(sci, inode, &data_buffers, in nilfs_segctor_scan_file_dsync()
1101 nilfs_segctor_end_finfo(sci, inode); in nilfs_segctor_scan_file_dsync()
1108 static int nilfs_segctor_collect_blocks(struct nilfs_sc_info *sci, int mode) in nilfs_segctor_collect_blocks() argument
1110 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_collect_blocks()
1116 switch (nilfs_sc_cstage_get(sci)) { in nilfs_segctor_collect_blocks()
1119 sci->sc_stage.flags = 0; in nilfs_segctor_collect_blocks()
1121 if (!test_bit(NILFS_SC_UNCLOSED, &sci->sc_flags)) { in nilfs_segctor_collect_blocks()
1122 sci->sc_nblk_inc = 0; in nilfs_segctor_collect_blocks()
1123 sci->sc_curseg->sb_sum.flags = NILFS_SS_LOGBGN; in nilfs_segctor_collect_blocks()
1125 nilfs_sc_cstage_set(sci, NILFS_ST_DSYNC); in nilfs_segctor_collect_blocks()
1130 sci->sc_stage.dirty_file_ptr = NULL; in nilfs_segctor_collect_blocks()
1131 sci->sc_stage.gc_inode_ptr = NULL; in nilfs_segctor_collect_blocks()
1133 nilfs_sc_cstage_set(sci, NILFS_ST_DAT); in nilfs_segctor_collect_blocks()
1136 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1140 head = &sci->sc_gc_inodes; in nilfs_segctor_collect_blocks()
1141 ii = list_prepare_entry(sci->sc_stage.gc_inode_ptr, in nilfs_segctor_collect_blocks()
1145 sci, &ii->vfs_inode, in nilfs_segctor_collect_blocks()
1148 sci->sc_stage.gc_inode_ptr = list_entry( in nilfs_segctor_collect_blocks()
1156 sci->sc_stage.gc_inode_ptr = NULL; in nilfs_segctor_collect_blocks()
1158 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1161 head = &sci->sc_dirty_files; in nilfs_segctor_collect_blocks()
1162 ii = list_prepare_entry(sci->sc_stage.dirty_file_ptr, head, in nilfs_segctor_collect_blocks()
1167 err = nilfs_segctor_scan_file(sci, &ii->vfs_inode, in nilfs_segctor_collect_blocks()
1170 sci->sc_stage.dirty_file_ptr = in nilfs_segctor_collect_blocks()
1176 /* sci->sc_stage.dirty_file_ptr = NILFS_I(inode); */ in nilfs_segctor_collect_blocks()
1179 sci->sc_stage.dirty_file_ptr = NULL; in nilfs_segctor_collect_blocks()
1181 nilfs_sc_cstage_set(sci, NILFS_ST_DONE); in nilfs_segctor_collect_blocks()
1184 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1185 sci->sc_stage.flags |= NILFS_CF_IFILE_STARTED; in nilfs_segctor_collect_blocks()
1188 err = nilfs_segctor_scan_file(sci, sci->sc_root->ifile, in nilfs_segctor_collect_blocks()
1192 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1194 err = nilfs_segctor_create_checkpoint(sci); in nilfs_segctor_collect_blocks()
1199 err = nilfs_segctor_scan_file(sci, nilfs->ns_cpfile, in nilfs_segctor_collect_blocks()
1203 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1206 err = nilfs_sufile_freev(nilfs->ns_sufile, sci->sc_freesegs, in nilfs_segctor_collect_blocks()
1207 sci->sc_nfreesegs, &ndone); in nilfs_segctor_collect_blocks()
1210 sci->sc_freesegs, ndone, in nilfs_segctor_collect_blocks()
1214 sci->sc_stage.flags |= NILFS_CF_SUFREED; in nilfs_segctor_collect_blocks()
1216 err = nilfs_segctor_scan_file(sci, nilfs->ns_sufile, in nilfs_segctor_collect_blocks()
1220 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1224 err = nilfs_segctor_scan_file(sci, nilfs->ns_dat, in nilfs_segctor_collect_blocks()
1229 nilfs_sc_cstage_set(sci, NILFS_ST_DONE); in nilfs_segctor_collect_blocks()
1232 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1237 err = nilfs_segctor_add_super_root(sci); in nilfs_segctor_collect_blocks()
1242 sci->sc_curseg->sb_sum.flags |= NILFS_SS_LOGEND; in nilfs_segctor_collect_blocks()
1243 nilfs_sc_cstage_set(sci, NILFS_ST_DONE); in nilfs_segctor_collect_blocks()
1247 sci->sc_curseg->sb_sum.flags |= NILFS_SS_SYNDT; in nilfs_segctor_collect_blocks()
1248 ii = sci->sc_dsync_inode; in nilfs_segctor_collect_blocks()
1252 err = nilfs_segctor_scan_file_dsync(sci, &ii->vfs_inode); in nilfs_segctor_collect_blocks()
1255 sci->sc_curseg->sb_sum.flags |= NILFS_SS_LOGEND; in nilfs_segctor_collect_blocks()
1256 nilfs_sc_cstage_set(sci, NILFS_ST_DONE); in nilfs_segctor_collect_blocks()
1270 * @sci: nilfs_sc_info
1273 static int nilfs_segctor_begin_construction(struct nilfs_sc_info *sci, in nilfs_segctor_begin_construction() argument
1280 segbuf = nilfs_segbuf_new(sci->sc_super); in nilfs_segctor_begin_construction()
1284 if (list_empty(&sci->sc_write_logs)) { in nilfs_segctor_begin_construction()
1300 prev = NILFS_LAST_SEGBUF(&sci->sc_write_logs); in nilfs_segctor_begin_construction()
1323 BUG_ON(!list_empty(&sci->sc_segbufs)); in nilfs_segctor_begin_construction()
1324 list_add_tail(&segbuf->sb_list, &sci->sc_segbufs); in nilfs_segctor_begin_construction()
1325 sci->sc_segbuf_nblocks = segbuf->sb_rest_blocks; in nilfs_segctor_begin_construction()
1333 static int nilfs_segctor_extend_segments(struct nilfs_sc_info *sci, in nilfs_segctor_extend_segments() argument
1342 prev = NILFS_LAST_SEGBUF(&sci->sc_segbufs); in nilfs_segctor_extend_segments()
1356 segbuf = nilfs_segbuf_new(sci->sc_super); in nilfs_segctor_extend_segments()
1362 sci->sc_segbuf_nblocks += segbuf->sb_rest_blocks; in nilfs_segctor_extend_segments()
1375 list_splice_tail(&list, &sci->sc_segbufs); in nilfs_segctor_extend_segments()
1428 static void nilfs_segctor_update_segusage(struct nilfs_sc_info *sci, in nilfs_segctor_update_segusage() argument
1435 list_for_each_entry(segbuf, &sci->sc_segbufs, sb_list) { in nilfs_segctor_update_segusage()
1440 sci->sc_seg_ctime); in nilfs_segctor_update_segusage()
1463 static void nilfs_segctor_truncate_segments(struct nilfs_sc_info *sci, in nilfs_segctor_truncate_segments() argument
1470 list_for_each_entry_continue(segbuf, &sci->sc_segbufs, sb_list) { in nilfs_segctor_truncate_segments()
1471 sci->sc_segbuf_nblocks -= segbuf->sb_rest_blocks; in nilfs_segctor_truncate_segments()
1475 nilfs_truncate_logs(&sci->sc_segbufs, last); in nilfs_segctor_truncate_segments()
1479 static int nilfs_segctor_collect(struct nilfs_sc_info *sci, in nilfs_segctor_collect() argument
1482 struct nilfs_cstage prev_stage = sci->sc_stage; in nilfs_segctor_collect()
1487 sci->sc_nblk_this_inc = 0; in nilfs_segctor_collect()
1488 sci->sc_curseg = NILFS_FIRST_SEGBUF(&sci->sc_segbufs); in nilfs_segctor_collect()
1490 err = nilfs_segctor_reset_segment_buffer(sci); in nilfs_segctor_collect()
1494 err = nilfs_segctor_collect_blocks(sci, mode); in nilfs_segctor_collect()
1495 sci->sc_nblk_this_inc += sci->sc_curseg->sb_sum.nblocks; in nilfs_segctor_collect()
1504 nilfs_sc_cstage_get(sci) < NILFS_ST_CPFILE) in nilfs_segctor_collect()
1507 nilfs_clear_logs(&sci->sc_segbufs); in nilfs_segctor_collect()
1509 if (sci->sc_stage.flags & NILFS_CF_SUFREED) { in nilfs_segctor_collect()
1511 sci->sc_freesegs, in nilfs_segctor_collect()
1512 sci->sc_nfreesegs, in nilfs_segctor_collect()
1515 sci->sc_stage.flags &= ~NILFS_CF_SUFREED; in nilfs_segctor_collect()
1518 err = nilfs_segctor_extend_segments(sci, nilfs, nadd); in nilfs_segctor_collect()
1523 sci->sc_stage = prev_stage; in nilfs_segctor_collect()
1525 nilfs_segctor_truncate_segments(sci, sci->sc_curseg, nilfs->ns_sufile); in nilfs_segctor_collect()
1542 nilfs_segctor_update_payload_blocknr(struct nilfs_sc_info *sci, in nilfs_segctor_update_payload_blocknr() argument
1570 sci, &ssp, sizeof(*finfo)); in nilfs_segctor_update_payload_blocknr()
1595 sc_op->write_data_binfo(sci, &ssp, &binfo); in nilfs_segctor_update_payload_blocknr()
1597 sc_op->write_node_binfo(sci, &ssp, &binfo); in nilfs_segctor_update_payload_blocknr()
1614 static int nilfs_segctor_assign(struct nilfs_sc_info *sci, int mode) in nilfs_segctor_assign() argument
1619 list_for_each_entry(segbuf, &sci->sc_segbufs, sb_list) { in nilfs_segctor_assign()
1620 err = nilfs_segctor_update_payload_blocknr(sci, segbuf, mode); in nilfs_segctor_assign()
1643 static void nilfs_segctor_prepare_write(struct nilfs_sc_info *sci) in nilfs_segctor_prepare_write() argument
1648 list_for_each_entry(segbuf, &sci->sc_segbufs, sb_list) { in nilfs_segctor_prepare_write()
1692 static int nilfs_segctor_write(struct nilfs_sc_info *sci, in nilfs_segctor_write() argument
1697 ret = nilfs_write_logs(&sci->sc_segbufs, nilfs); in nilfs_segctor_write()
1698 list_splice_tail_init(&sci->sc_segbufs, &sci->sc_write_logs); in nilfs_segctor_write()
1781 static void nilfs_segctor_abort_construction(struct nilfs_sc_info *sci, in nilfs_segctor_abort_construction() argument
1787 list_splice_tail_init(&sci->sc_write_logs, &logs); in nilfs_segctor_abort_construction()
1791 list_splice_tail_init(&sci->sc_segbufs, &logs); in nilfs_segctor_abort_construction()
1795 if (sci->sc_stage.flags & NILFS_CF_SUFREED) { in nilfs_segctor_abort_construction()
1797 sci->sc_freesegs, in nilfs_segctor_abort_construction()
1798 sci->sc_nfreesegs, in nilfs_segctor_abort_construction()
1817 static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci) in nilfs_segctor_complete_write() argument
1821 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_complete_write()
1824 list_for_each_entry(segbuf, &sci->sc_write_logs, sb_list) { in nilfs_segctor_complete_write()
1873 set_bit(NILFS_SC_UNCLOSED, &sci->sc_flags); in nilfs_segctor_complete_write()
1874 sci->sc_lseg_stime = jiffies; in nilfs_segctor_complete_write()
1877 clear_bit(NILFS_SC_UNCLOSED, &sci->sc_flags); in nilfs_segctor_complete_write()
1889 nilfs_drop_collected_inodes(&sci->sc_dirty_files); in nilfs_segctor_complete_write()
1892 nilfs_drop_collected_inodes(&sci->sc_gc_inodes); in nilfs_segctor_complete_write()
1894 nilfs->ns_nongc_ctime = sci->sc_seg_ctime; in nilfs_segctor_complete_write()
1896 sci->sc_nblk_inc += sci->sc_nblk_this_inc; in nilfs_segctor_complete_write()
1898 segbuf = NILFS_LAST_SEGBUF(&sci->sc_write_logs); in nilfs_segctor_complete_write()
1906 clear_bit(NILFS_SC_HAVE_DELTA, &sci->sc_flags); in nilfs_segctor_complete_write()
1907 clear_bit(NILFS_SC_DIRTY, &sci->sc_flags); in nilfs_segctor_complete_write()
1908 set_bit(NILFS_SC_SUPER_ROOT, &sci->sc_flags); in nilfs_segctor_complete_write()
1909 nilfs_segctor_clear_metadata_dirty(sci); in nilfs_segctor_complete_write()
1911 clear_bit(NILFS_SC_SUPER_ROOT, &sci->sc_flags); in nilfs_segctor_complete_write()
1914 static int nilfs_segctor_wait(struct nilfs_sc_info *sci) in nilfs_segctor_wait() argument
1918 ret = nilfs_wait_on_logs(&sci->sc_write_logs); in nilfs_segctor_wait()
1920 nilfs_segctor_complete_write(sci); in nilfs_segctor_wait()
1921 nilfs_destroy_logs(&sci->sc_write_logs); in nilfs_segctor_wait()
1926 static int nilfs_segctor_collect_dirty_files(struct nilfs_sc_info *sci, in nilfs_segctor_collect_dirty_files() argument
1930 struct inode *ifile = sci->sc_root->ifile; in nilfs_segctor_collect_dirty_files()
1943 nilfs_warn(sci->sc_super, in nilfs_segctor_collect_dirty_files()
1962 list_move_tail(&ii->i_dirty, &sci->sc_dirty_files); in nilfs_segctor_collect_dirty_files()
1969 static void nilfs_segctor_drop_written_files(struct nilfs_sc_info *sci, in nilfs_segctor_drop_written_files() argument
1973 int during_mount = !(sci->sc_super->s_flags & SB_ACTIVE); in nilfs_segctor_drop_written_files()
1977 list_for_each_entry_safe(ii, n, &sci->sc_dirty_files, i_dirty) { in nilfs_segctor_drop_written_files()
1991 list_add_tail(&ii->i_dirty, &sci->sc_iput_queue); in nilfs_segctor_drop_written_files()
2002 schedule_work(&sci->sc_iput_work); in nilfs_segctor_drop_written_files()
2008 static int nilfs_segctor_do_construct(struct nilfs_sc_info *sci, int mode) in nilfs_segctor_do_construct() argument
2010 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_do_construct()
2013 nilfs_sc_cstage_set(sci, NILFS_ST_INIT); in nilfs_segctor_do_construct()
2014 sci->sc_cno = nilfs->ns_cno; in nilfs_segctor_do_construct()
2016 err = nilfs_segctor_collect_dirty_files(sci, nilfs); in nilfs_segctor_do_construct()
2020 if (nilfs_test_metadata_dirty(nilfs, sci->sc_root)) in nilfs_segctor_do_construct()
2021 set_bit(NILFS_SC_DIRTY, &sci->sc_flags); in nilfs_segctor_do_construct()
2023 if (nilfs_segctor_clean(sci)) in nilfs_segctor_do_construct()
2027 sci->sc_stage.flags &= ~NILFS_CF_HISTORY_MASK; in nilfs_segctor_do_construct()
2029 err = nilfs_segctor_begin_construction(sci, nilfs); in nilfs_segctor_do_construct()
2034 sci->sc_seg_ctime = ktime_get_real_seconds(); in nilfs_segctor_do_construct()
2036 err = nilfs_segctor_collect(sci, nilfs, mode); in nilfs_segctor_do_construct()
2041 if (nilfs_sc_cstage_get(sci) == NILFS_ST_DONE && in nilfs_segctor_do_construct()
2042 nilfs_segbuf_empty(sci->sc_curseg)) { in nilfs_segctor_do_construct()
2043 nilfs_segctor_abort_construction(sci, nilfs, 1); in nilfs_segctor_do_construct()
2047 err = nilfs_segctor_assign(sci, mode); in nilfs_segctor_do_construct()
2051 if (sci->sc_stage.flags & NILFS_CF_IFILE_STARTED) in nilfs_segctor_do_construct()
2052 nilfs_segctor_fill_in_file_bmap(sci); in nilfs_segctor_do_construct()
2055 nilfs_sc_cstage_get(sci) >= NILFS_ST_CPFILE) { in nilfs_segctor_do_construct()
2056 err = nilfs_segctor_fill_in_checkpoint(sci); in nilfs_segctor_do_construct()
2060 nilfs_segctor_fill_in_super_root(sci, nilfs); in nilfs_segctor_do_construct()
2062 nilfs_segctor_update_segusage(sci, nilfs->ns_sufile); in nilfs_segctor_do_construct()
2065 nilfs_segctor_prepare_write(sci); in nilfs_segctor_do_construct()
2067 nilfs_add_checksums_on_logs(&sci->sc_segbufs, in nilfs_segctor_do_construct()
2070 err = nilfs_segctor_write(sci, nilfs); in nilfs_segctor_do_construct()
2074 if (nilfs_sc_cstage_get(sci) == NILFS_ST_DONE || in nilfs_segctor_do_construct()
2083 err = nilfs_segctor_wait(sci); in nilfs_segctor_do_construct()
2087 } while (nilfs_sc_cstage_get(sci) != NILFS_ST_DONE); in nilfs_segctor_do_construct()
2090 nilfs_segctor_drop_written_files(sci, nilfs); in nilfs_segctor_do_construct()
2094 if (sci->sc_stage.flags & NILFS_CF_IFILE_STARTED) in nilfs_segctor_do_construct()
2095 nilfs_redirty_inodes(&sci->sc_dirty_files); in nilfs_segctor_do_construct()
2099 nilfs_redirty_inodes(&sci->sc_gc_inodes); in nilfs_segctor_do_construct()
2100 nilfs_segctor_abort_construction(sci, nilfs, err); in nilfs_segctor_do_construct()
2106 * @sci: nilfs_sc_info
2112 static void nilfs_segctor_start_timer(struct nilfs_sc_info *sci) in nilfs_segctor_start_timer() argument
2114 spin_lock(&sci->sc_state_lock); in nilfs_segctor_start_timer()
2115 if (!(sci->sc_state & NILFS_SEGCTOR_COMMIT)) { in nilfs_segctor_start_timer()
2116 sci->sc_timer.expires = jiffies + sci->sc_interval; in nilfs_segctor_start_timer()
2117 add_timer(&sci->sc_timer); in nilfs_segctor_start_timer()
2118 sci->sc_state |= NILFS_SEGCTOR_COMMIT; in nilfs_segctor_start_timer()
2120 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_start_timer()
2123 static void nilfs_segctor_do_flush(struct nilfs_sc_info *sci, int bn) in nilfs_segctor_do_flush() argument
2125 spin_lock(&sci->sc_state_lock); in nilfs_segctor_do_flush()
2126 if (!(sci->sc_flush_request & BIT(bn))) { in nilfs_segctor_do_flush()
2127 unsigned long prev_req = sci->sc_flush_request; in nilfs_segctor_do_flush()
2129 sci->sc_flush_request |= BIT(bn); in nilfs_segctor_do_flush()
2131 wake_up(&sci->sc_wait_daemon); in nilfs_segctor_do_flush()
2133 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_do_flush()
2144 struct nilfs_sc_info *sci = nilfs->ns_writer; in nilfs_flush_segment() local
2146 if (!sci || nilfs_doing_construction()) in nilfs_flush_segment()
2148 nilfs_segctor_do_flush(sci, NILFS_MDT_INODE(sb, ino) ? ino : 0); in nilfs_flush_segment()
2159 static int nilfs_segctor_sync(struct nilfs_sc_info *sci) in nilfs_segctor_sync() argument
2164 spin_lock(&sci->sc_state_lock); in nilfs_segctor_sync()
2168 wait_req.seq = ++sci->sc_seq_request; in nilfs_segctor_sync()
2169 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_sync()
2172 add_wait_queue(&sci->sc_wait_request, &wait_req.wq); in nilfs_segctor_sync()
2174 wake_up(&sci->sc_wait_daemon); in nilfs_segctor_sync()
2188 finish_wait(&sci->sc_wait_request, &wait_req.wq); in nilfs_segctor_sync()
2192 static void nilfs_segctor_wakeup(struct nilfs_sc_info *sci, int err) in nilfs_segctor_wakeup() argument
2197 spin_lock_irqsave(&sci->sc_wait_request.lock, flags); in nilfs_segctor_wakeup()
2198 list_for_each_entry_safe(wrq, n, &sci->sc_wait_request.head, wq.entry) { in nilfs_segctor_wakeup()
2200 nilfs_cnt32_ge(sci->sc_seq_done, wrq->seq)) { in nilfs_segctor_wakeup()
2210 spin_unlock_irqrestore(&sci->sc_wait_request.lock, flags); in nilfs_segctor_wakeup()
2233 struct nilfs_sc_info *sci = nilfs->ns_writer; in nilfs_construct_segment() local
2237 if (!sci) in nilfs_construct_segment()
2243 err = nilfs_segctor_sync(sci); in nilfs_construct_segment()
2271 struct nilfs_sc_info *sci = nilfs->ns_writer; in nilfs_construct_dsync_segment() local
2276 if (!sci) in nilfs_construct_dsync_segment()
2284 test_bit(NILFS_SC_UNCLOSED, &sci->sc_flags) || in nilfs_construct_dsync_segment()
2287 err = nilfs_segctor_sync(sci); in nilfs_construct_dsync_segment()
2299 sci->sc_dsync_inode = ii; in nilfs_construct_dsync_segment()
2300 sci->sc_dsync_start = start; in nilfs_construct_dsync_segment()
2301 sci->sc_dsync_end = end; in nilfs_construct_dsync_segment()
2303 err = nilfs_segctor_do_construct(sci, SC_LSEG_DSYNC); in nilfs_construct_dsync_segment()
2316 * @sci: segment constructor object
2318 static void nilfs_segctor_accept(struct nilfs_sc_info *sci) in nilfs_segctor_accept() argument
2320 spin_lock(&sci->sc_state_lock); in nilfs_segctor_accept()
2321 sci->sc_seq_accepted = sci->sc_seq_request; in nilfs_segctor_accept()
2322 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_accept()
2323 del_timer_sync(&sci->sc_timer); in nilfs_segctor_accept()
2328 * @sci: segment constructor object
2332 static void nilfs_segctor_notify(struct nilfs_sc_info *sci, int mode, int err) in nilfs_segctor_notify() argument
2335 spin_lock(&sci->sc_state_lock); in nilfs_segctor_notify()
2338 sci->sc_state &= ~NILFS_SEGCTOR_COMMIT; in nilfs_segctor_notify()
2339 sci->sc_seq_done = sci->sc_seq_accepted; in nilfs_segctor_notify()
2340 nilfs_segctor_wakeup(sci, err); in nilfs_segctor_notify()
2341 sci->sc_flush_request = 0; in nilfs_segctor_notify()
2344 sci->sc_flush_request &= ~FLUSH_FILE_BIT; in nilfs_segctor_notify()
2346 sci->sc_flush_request &= ~FLUSH_DAT_BIT; in nilfs_segctor_notify()
2349 if ((sci->sc_state & NILFS_SEGCTOR_COMMIT) && in nilfs_segctor_notify()
2350 time_before(jiffies, sci->sc_timer.expires)) in nilfs_segctor_notify()
2351 add_timer(&sci->sc_timer); in nilfs_segctor_notify()
2353 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_notify()
2358 * @sci: segment constructor object
2361 static int nilfs_segctor_construct(struct nilfs_sc_info *sci, int mode) in nilfs_segctor_construct() argument
2363 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_construct()
2367 nilfs_segctor_accept(sci); in nilfs_segctor_construct()
2371 if (!nilfs_segctor_confirm(sci)) in nilfs_segctor_construct()
2372 err = nilfs_segctor_do_construct(sci, mode); in nilfs_segctor_construct()
2377 if (test_bit(NILFS_SC_SUPER_ROOT, &sci->sc_flags) && in nilfs_segctor_construct()
2381 sbp = nilfs_prepare_super(sci->sc_super, in nilfs_segctor_construct()
2385 err = nilfs_commit_super(sci->sc_super, in nilfs_segctor_construct()
2392 nilfs_segctor_notify(sci, mode, err); in nilfs_segctor_construct()
2398 struct nilfs_sc_info *sci = from_timer(sci, t, sc_timer); in nilfs_construction_timeout() local
2400 wake_up_process(sci->sc_timer_task); in nilfs_construction_timeout()
2422 struct nilfs_sc_info *sci = nilfs->ns_writer; in nilfs_clean_segments() local
2426 if (unlikely(!sci)) in nilfs_clean_segments()
2441 sci->sc_freesegs = kbufs[4]; in nilfs_clean_segments()
2442 sci->sc_nfreesegs = argv[4].v_nmembs; in nilfs_clean_segments()
2443 list_splice_tail_init(&nilfs->ns_gc_inodes, &sci->sc_gc_inodes); in nilfs_clean_segments()
2446 err = nilfs_segctor_construct(sci, SC_LSEG_SR); in nilfs_clean_segments()
2447 nilfs_remove_written_gcinodes(nilfs, &sci->sc_gc_inodes); in nilfs_clean_segments()
2454 schedule_timeout(sci->sc_interval); in nilfs_clean_segments()
2457 int ret = nilfs_discard_segments(nilfs, sci->sc_freesegs, in nilfs_clean_segments()
2458 sci->sc_nfreesegs); in nilfs_clean_segments()
2468 sci->sc_freesegs = NULL; in nilfs_clean_segments()
2469 sci->sc_nfreesegs = 0; in nilfs_clean_segments()
2475 static void nilfs_segctor_thread_construct(struct nilfs_sc_info *sci, int mode) in nilfs_segctor_thread_construct() argument
2479 nilfs_transaction_lock(sci->sc_super, &ti, 0); in nilfs_segctor_thread_construct()
2480 nilfs_segctor_construct(sci, mode); in nilfs_segctor_thread_construct()
2487 if (test_bit(NILFS_SC_UNCLOSED, &sci->sc_flags)) in nilfs_segctor_thread_construct()
2488 nilfs_segctor_start_timer(sci); in nilfs_segctor_thread_construct()
2490 nilfs_transaction_unlock(sci->sc_super); in nilfs_segctor_thread_construct()
2493 static void nilfs_segctor_do_immediate_flush(struct nilfs_sc_info *sci) in nilfs_segctor_do_immediate_flush() argument
2497 spin_lock(&sci->sc_state_lock); in nilfs_segctor_do_immediate_flush()
2498 mode = (sci->sc_flush_request & FLUSH_DAT_BIT) ? in nilfs_segctor_do_immediate_flush()
2500 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_do_immediate_flush()
2503 nilfs_segctor_do_construct(sci, mode); in nilfs_segctor_do_immediate_flush()
2505 spin_lock(&sci->sc_state_lock); in nilfs_segctor_do_immediate_flush()
2506 sci->sc_flush_request &= (mode == SC_FLUSH_FILE) ? in nilfs_segctor_do_immediate_flush()
2508 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_do_immediate_flush()
2510 clear_bit(NILFS_SC_PRIOR_FLUSH, &sci->sc_flags); in nilfs_segctor_do_immediate_flush()
2513 static int nilfs_segctor_flush_mode(struct nilfs_sc_info *sci) in nilfs_segctor_flush_mode() argument
2515 if (!test_bit(NILFS_SC_UNCLOSED, &sci->sc_flags) || in nilfs_segctor_flush_mode()
2516 time_before(jiffies, sci->sc_lseg_stime + sci->sc_mjcp_freq)) { in nilfs_segctor_flush_mode()
2517 if (!(sci->sc_flush_request & ~FLUSH_FILE_BIT)) in nilfs_segctor_flush_mode()
2519 else if (!(sci->sc_flush_request & ~FLUSH_DAT_BIT)) in nilfs_segctor_flush_mode()
2534 struct nilfs_sc_info *sci = (struct nilfs_sc_info *)arg; in nilfs_segctor_thread() local
2535 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_thread()
2538 sci->sc_timer_task = current; in nilfs_segctor_thread()
2541 sci->sc_task = current; in nilfs_segctor_thread()
2542 wake_up(&sci->sc_wait_task); /* for nilfs_segctor_start_thread() */ in nilfs_segctor_thread()
2543 nilfs_info(sci->sc_super, in nilfs_segctor_thread()
2545 sci->sc_interval / HZ, sci->sc_mjcp_freq / HZ); in nilfs_segctor_thread()
2547 spin_lock(&sci->sc_state_lock); in nilfs_segctor_thread()
2552 if (sci->sc_state & NILFS_SEGCTOR_QUIT) in nilfs_segctor_thread()
2555 if (timeout || sci->sc_seq_request != sci->sc_seq_done) in nilfs_segctor_thread()
2557 else if (sci->sc_flush_request) in nilfs_segctor_thread()
2558 mode = nilfs_segctor_flush_mode(sci); in nilfs_segctor_thread()
2562 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_thread()
2563 nilfs_segctor_thread_construct(sci, mode); in nilfs_segctor_thread()
2564 spin_lock(&sci->sc_state_lock); in nilfs_segctor_thread()
2570 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_thread()
2572 spin_lock(&sci->sc_state_lock); in nilfs_segctor_thread()
2577 prepare_to_wait(&sci->sc_wait_daemon, &wait, in nilfs_segctor_thread()
2580 if (sci->sc_seq_request != sci->sc_seq_done) in nilfs_segctor_thread()
2582 else if (sci->sc_flush_request) in nilfs_segctor_thread()
2584 else if (sci->sc_state & NILFS_SEGCTOR_COMMIT) in nilfs_segctor_thread()
2586 sci->sc_timer.expires); in nilfs_segctor_thread()
2589 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_thread()
2591 spin_lock(&sci->sc_state_lock); in nilfs_segctor_thread()
2593 finish_wait(&sci->sc_wait_daemon, &wait); in nilfs_segctor_thread()
2594 timeout = ((sci->sc_state & NILFS_SEGCTOR_COMMIT) && in nilfs_segctor_thread()
2595 time_after_eq(jiffies, sci->sc_timer.expires)); in nilfs_segctor_thread()
2603 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_thread()
2606 sci->sc_task = NULL; in nilfs_segctor_thread()
2607 wake_up(&sci->sc_wait_task); /* for nilfs_segctor_kill_thread() */ in nilfs_segctor_thread()
2611 static int nilfs_segctor_start_thread(struct nilfs_sc_info *sci) in nilfs_segctor_start_thread() argument
2615 t = kthread_run(nilfs_segctor_thread, sci, "segctord"); in nilfs_segctor_start_thread()
2619 nilfs_err(sci->sc_super, "error %d creating segctord thread", in nilfs_segctor_start_thread()
2623 wait_event(sci->sc_wait_task, sci->sc_task != NULL); in nilfs_segctor_start_thread()
2627 static void nilfs_segctor_kill_thread(struct nilfs_sc_info *sci) in nilfs_segctor_kill_thread() argument
2628 __acquires(&sci->sc_state_lock) in nilfs_segctor_kill_thread()
2629 __releases(&sci->sc_state_lock) in nilfs_segctor_kill_thread()
2631 sci->sc_state |= NILFS_SEGCTOR_QUIT; in nilfs_segctor_kill_thread()
2633 while (sci->sc_task) { in nilfs_segctor_kill_thread()
2634 wake_up(&sci->sc_wait_daemon); in nilfs_segctor_kill_thread()
2635 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_kill_thread()
2636 wait_event(sci->sc_wait_task, sci->sc_task == NULL); in nilfs_segctor_kill_thread()
2637 spin_lock(&sci->sc_state_lock); in nilfs_segctor_kill_thread()
2648 struct nilfs_sc_info *sci; in nilfs_segctor_new() local
2650 sci = kzalloc(sizeof(*sci), GFP_KERNEL); in nilfs_segctor_new()
2651 if (!sci) in nilfs_segctor_new()
2654 sci->sc_super = sb; in nilfs_segctor_new()
2657 sci->sc_root = root; in nilfs_segctor_new()
2659 init_waitqueue_head(&sci->sc_wait_request); in nilfs_segctor_new()
2660 init_waitqueue_head(&sci->sc_wait_daemon); in nilfs_segctor_new()
2661 init_waitqueue_head(&sci->sc_wait_task); in nilfs_segctor_new()
2662 spin_lock_init(&sci->sc_state_lock); in nilfs_segctor_new()
2663 INIT_LIST_HEAD(&sci->sc_dirty_files); in nilfs_segctor_new()
2664 INIT_LIST_HEAD(&sci->sc_segbufs); in nilfs_segctor_new()
2665 INIT_LIST_HEAD(&sci->sc_write_logs); in nilfs_segctor_new()
2666 INIT_LIST_HEAD(&sci->sc_gc_inodes); in nilfs_segctor_new()
2667 INIT_LIST_HEAD(&sci->sc_iput_queue); in nilfs_segctor_new()
2668 INIT_WORK(&sci->sc_iput_work, nilfs_iput_work_func); in nilfs_segctor_new()
2669 timer_setup(&sci->sc_timer, nilfs_construction_timeout, 0); in nilfs_segctor_new()
2671 sci->sc_interval = HZ * NILFS_SC_DEFAULT_TIMEOUT; in nilfs_segctor_new()
2672 sci->sc_mjcp_freq = HZ * NILFS_SC_DEFAULT_SR_FREQ; in nilfs_segctor_new()
2673 sci->sc_watermark = NILFS_SC_DEFAULT_WATERMARK; in nilfs_segctor_new()
2676 sci->sc_interval = HZ * nilfs->ns_interval; in nilfs_segctor_new()
2678 sci->sc_watermark = nilfs->ns_watermark; in nilfs_segctor_new()
2679 return sci; in nilfs_segctor_new()
2682 static void nilfs_segctor_write_out(struct nilfs_sc_info *sci) in nilfs_segctor_write_out() argument
2693 nilfs_transaction_lock(sci->sc_super, &ti, 0); in nilfs_segctor_write_out()
2694 ret = nilfs_segctor_construct(sci, SC_LSEG_SR); in nilfs_segctor_write_out()
2695 nilfs_transaction_unlock(sci->sc_super); in nilfs_segctor_write_out()
2697 flush_work(&sci->sc_iput_work); in nilfs_segctor_write_out()
2704 * @sci: nilfs_sc_info
2710 static void nilfs_segctor_destroy(struct nilfs_sc_info *sci) in nilfs_segctor_destroy() argument
2712 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_destroy()
2717 spin_lock(&sci->sc_state_lock); in nilfs_segctor_destroy()
2718 nilfs_segctor_kill_thread(sci); in nilfs_segctor_destroy()
2719 flag = ((sci->sc_state & NILFS_SEGCTOR_COMMIT) || sci->sc_flush_request in nilfs_segctor_destroy()
2720 || sci->sc_seq_request != sci->sc_seq_done); in nilfs_segctor_destroy()
2721 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_destroy()
2723 if (flush_work(&sci->sc_iput_work)) in nilfs_segctor_destroy()
2726 if (flag || !nilfs_segctor_confirm(sci)) in nilfs_segctor_destroy()
2727 nilfs_segctor_write_out(sci); in nilfs_segctor_destroy()
2729 if (!list_empty(&sci->sc_dirty_files)) { in nilfs_segctor_destroy()
2730 nilfs_warn(sci->sc_super, in nilfs_segctor_destroy()
2732 nilfs_dispose_list(nilfs, &sci->sc_dirty_files, 1); in nilfs_segctor_destroy()
2735 if (!list_empty(&sci->sc_iput_queue)) { in nilfs_segctor_destroy()
2736 nilfs_warn(sci->sc_super, in nilfs_segctor_destroy()
2738 nilfs_dispose_list(nilfs, &sci->sc_iput_queue, 1); in nilfs_segctor_destroy()
2741 WARN_ON(!list_empty(&sci->sc_segbufs)); in nilfs_segctor_destroy()
2742 WARN_ON(!list_empty(&sci->sc_write_logs)); in nilfs_segctor_destroy()
2744 nilfs_put_root(sci->sc_root); in nilfs_segctor_destroy()
2748 del_timer_sync(&sci->sc_timer); in nilfs_segctor_destroy()
2749 kfree(sci); in nilfs_segctor_destroy()