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()
276 struct nilfs_sc_info *sci = nilfs->ns_writer; in nilfs_transaction_commit() local
279 nilfs_segctor_start_timer(sci); in nilfs_transaction_commit()
280 if (atomic_read(&nilfs->ns_ndirtyblks) > sci->sc_watermark) in nilfs_transaction_commit()
281 nilfs_segctor_do_flush(sci, 0); in nilfs_transaction_commit()
323 struct nilfs_sc_info *sci = nilfs->ns_writer; in nilfs_relax_pressure_in_lock() local
325 if (sb_rdonly(sb) || unlikely(!sci) || !sci->sc_flush_request) in nilfs_relax_pressure_in_lock()
328 set_bit(NILFS_SC_PRIOR_FLUSH, &sci->sc_flags); in nilfs_relax_pressure_in_lock()
332 if (sci->sc_flush_request && in nilfs_relax_pressure_in_lock()
333 test_bit(NILFS_SC_PRIOR_FLUSH, &sci->sc_flags)) { in nilfs_relax_pressure_in_lock()
337 nilfs_segctor_do_immediate_flush(sci); in nilfs_relax_pressure_in_lock()
349 struct nilfs_sc_info *sci = nilfs->ns_writer; in nilfs_transaction_lock() local
363 if (!test_bit(NILFS_SC_PRIOR_FLUSH, &sci->sc_flags)) in nilfs_transaction_lock()
366 nilfs_segctor_do_immediate_flush(sci); in nilfs_transaction_lock()
393 static void *nilfs_segctor_map_segsum_entry(struct nilfs_sc_info *sci, in nilfs_segctor_map_segsum_entry() argument
397 struct nilfs_segment_buffer *segbuf = sci->sc_curseg; in nilfs_segctor_map_segsum_entry()
398 unsigned int blocksize = sci->sc_super->s_blocksize; in nilfs_segctor_map_segsum_entry()
414 * @sci: nilfs_sc_info
416 static int nilfs_segctor_reset_segment_buffer(struct nilfs_sc_info *sci) in nilfs_segctor_reset_segment_buffer() argument
418 struct nilfs_segment_buffer *segbuf = sci->sc_curseg; in nilfs_segctor_reset_segment_buffer()
426 err = nilfs_segbuf_reset(segbuf, flags, sci->sc_seg_ctime, sci->sc_cno); in nilfs_segctor_reset_segment_buffer()
432 sci->sc_finfo_ptr.bh = sumbh; sci->sc_finfo_ptr.offset = sumbytes; in nilfs_segctor_reset_segment_buffer()
433 sci->sc_binfo_ptr.bh = sumbh; sci->sc_binfo_ptr.offset = sumbytes; in nilfs_segctor_reset_segment_buffer()
434 sci->sc_blk_cnt = sci->sc_datablk_cnt = 0; in nilfs_segctor_reset_segment_buffer()
440 * @sci: segment constructor object
445 static void nilfs_segctor_zeropad_segsum(struct nilfs_sc_info *sci) in nilfs_segctor_zeropad_segsum() argument
449 ssp = sci->sc_blk_cnt > 0 ? &sci->sc_binfo_ptr : &sci->sc_finfo_ptr; in nilfs_segctor_zeropad_segsum()
455 static int nilfs_segctor_feed_segment(struct nilfs_sc_info *sci) in nilfs_segctor_feed_segment() argument
457 sci->sc_nblk_this_inc += sci->sc_curseg->sb_sum.nblocks; in nilfs_segctor_feed_segment()
458 if (NILFS_SEGBUF_IS_LAST(sci->sc_curseg, &sci->sc_segbufs)) in nilfs_segctor_feed_segment()
463 nilfs_segctor_zeropad_segsum(sci); in nilfs_segctor_feed_segment()
464 sci->sc_curseg = NILFS_NEXT_SEGBUF(sci->sc_curseg); in nilfs_segctor_feed_segment()
465 return nilfs_segctor_reset_segment_buffer(sci); in nilfs_segctor_feed_segment()
468 static int nilfs_segctor_add_super_root(struct nilfs_sc_info *sci) in nilfs_segctor_add_super_root() argument
470 struct nilfs_segment_buffer *segbuf = sci->sc_curseg; in nilfs_segctor_add_super_root()
474 err = nilfs_segctor_feed_segment(sci); in nilfs_segctor_add_super_root()
477 segbuf = sci->sc_curseg; in nilfs_segctor_add_super_root()
489 struct nilfs_sc_info *sci, const struct nilfs_segsum_pointer *ssp, in nilfs_segctor_segsum_block_required() argument
492 unsigned int blocksize = sci->sc_super->s_blocksize; in nilfs_segctor_segsum_block_required()
496 (!sci->sc_blk_cnt ? sizeof(struct nilfs_finfo) : 0) > in nilfs_segctor_segsum_block_required()
500 static void nilfs_segctor_begin_finfo(struct nilfs_sc_info *sci, in nilfs_segctor_begin_finfo() argument
503 sci->sc_curseg->sb_sum.nfinfo++; in nilfs_segctor_begin_finfo()
504 sci->sc_binfo_ptr = sci->sc_finfo_ptr; in nilfs_segctor_begin_finfo()
506 sci, &sci->sc_binfo_ptr, sizeof(struct nilfs_finfo)); in nilfs_segctor_begin_finfo()
509 !test_bit(NILFS_SC_HAVE_DELTA, &sci->sc_flags)) in nilfs_segctor_begin_finfo()
510 set_bit(NILFS_SC_HAVE_DELTA, &sci->sc_flags); in nilfs_segctor_begin_finfo()
514 static void nilfs_segctor_end_finfo(struct nilfs_sc_info *sci, in nilfs_segctor_end_finfo() argument
522 if (sci->sc_blk_cnt == 0) in nilfs_segctor_end_finfo()
532 cno = sci->sc_cno; in nilfs_segctor_end_finfo()
534 finfo = nilfs_segctor_map_segsum_entry(sci, &sci->sc_finfo_ptr, in nilfs_segctor_end_finfo()
537 finfo->fi_nblocks = cpu_to_le32(sci->sc_blk_cnt); in nilfs_segctor_end_finfo()
538 finfo->fi_ndatablk = cpu_to_le32(sci->sc_datablk_cnt); in nilfs_segctor_end_finfo()
541 segbuf = sci->sc_curseg; in nilfs_segctor_end_finfo()
542 segbuf->sb_sum.sumbytes = sci->sc_binfo_ptr.offset + in nilfs_segctor_end_finfo()
543 sci->sc_super->s_blocksize * (segbuf->sb_sum.nsumblk - 1); in nilfs_segctor_end_finfo()
544 sci->sc_finfo_ptr = sci->sc_binfo_ptr; in nilfs_segctor_end_finfo()
545 sci->sc_blk_cnt = sci->sc_datablk_cnt = 0; in nilfs_segctor_end_finfo()
548 static int nilfs_segctor_add_file_block(struct nilfs_sc_info *sci, in nilfs_segctor_add_file_block() argument
557 segbuf = sci->sc_curseg; in nilfs_segctor_add_file_block()
559 sci, &sci->sc_binfo_ptr, binfo_size); in nilfs_segctor_add_file_block()
561 nilfs_segctor_end_finfo(sci, inode); in nilfs_segctor_add_file_block()
562 err = nilfs_segctor_feed_segment(sci); in nilfs_segctor_add_file_block()
568 nilfs_segctor_zeropad_segsum(sci); in nilfs_segctor_add_file_block()
573 if (sci->sc_blk_cnt == 0) in nilfs_segctor_add_file_block()
574 nilfs_segctor_begin_finfo(sci, inode); in nilfs_segctor_add_file_block()
576 nilfs_segctor_map_segsum_entry(sci, &sci->sc_binfo_ptr, binfo_size); in nilfs_segctor_add_file_block()
579 sci->sc_blk_cnt++; in nilfs_segctor_add_file_block()
587 static int nilfs_collect_file_data(struct nilfs_sc_info *sci, in nilfs_collect_file_data() argument
596 err = nilfs_segctor_add_file_block(sci, bh, inode, in nilfs_collect_file_data()
599 sci->sc_datablk_cnt++; in nilfs_collect_file_data()
603 static int nilfs_collect_file_node(struct nilfs_sc_info *sci, in nilfs_collect_file_node() argument
610 static int nilfs_collect_file_bmap(struct nilfs_sc_info *sci, in nilfs_collect_file_bmap() argument
615 return nilfs_segctor_add_file_block(sci, bh, inode, sizeof(__le64)); in nilfs_collect_file_bmap()
618 static void nilfs_write_file_data_binfo(struct nilfs_sc_info *sci, in nilfs_write_file_data_binfo() argument
623 sci, ssp, sizeof(*binfo_v)); in nilfs_write_file_data_binfo()
627 static void nilfs_write_file_node_binfo(struct nilfs_sc_info *sci, in nilfs_write_file_node_binfo() argument
632 sci, ssp, sizeof(*vblocknr)); in nilfs_write_file_node_binfo()
644 static int nilfs_collect_dat_data(struct nilfs_sc_info *sci, in nilfs_collect_dat_data() argument
653 err = nilfs_segctor_add_file_block(sci, bh, inode, sizeof(__le64)); in nilfs_collect_dat_data()
655 sci->sc_datablk_cnt++; in nilfs_collect_dat_data()
659 static int nilfs_collect_dat_bmap(struct nilfs_sc_info *sci, in nilfs_collect_dat_bmap() argument
663 return nilfs_segctor_add_file_block(sci, bh, inode, in nilfs_collect_dat_bmap()
667 static void nilfs_write_dat_data_binfo(struct nilfs_sc_info *sci, in nilfs_write_dat_data_binfo() argument
671 __le64 *blkoff = nilfs_segctor_map_segsum_entry(sci, ssp, in nilfs_write_dat_data_binfo()
676 static void nilfs_write_dat_node_binfo(struct nilfs_sc_info *sci, in nilfs_write_dat_node_binfo() argument
681 nilfs_segctor_map_segsum_entry(sci, ssp, sizeof(*binfo_dat)); in nilfs_write_dat_node_binfo()
830 struct nilfs_sc_info *sci = container_of(work, struct nilfs_sc_info, in nilfs_iput_work_func() local
832 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_iput_work_func()
834 nilfs_dispose_list(nilfs, &sci->sc_iput_queue, 0); in nilfs_iput_work_func()
853 static int nilfs_segctor_clean(struct nilfs_sc_info *sci) in nilfs_segctor_clean() argument
855 return list_empty(&sci->sc_dirty_files) && in nilfs_segctor_clean()
856 !test_bit(NILFS_SC_DIRTY, &sci->sc_flags) && in nilfs_segctor_clean()
857 sci->sc_nfreesegs == 0 && in nilfs_segctor_clean()
858 (!nilfs_doing_gc() || list_empty(&sci->sc_gc_inodes)); in nilfs_segctor_clean()
861 static int nilfs_segctor_confirm(struct nilfs_sc_info *sci) in nilfs_segctor_confirm() argument
863 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_confirm()
866 if (nilfs_test_metadata_dirty(nilfs, sci->sc_root)) in nilfs_segctor_confirm()
867 set_bit(NILFS_SC_DIRTY, &sci->sc_flags); in nilfs_segctor_confirm()
870 if (list_empty(&nilfs->ns_dirty_files) && nilfs_segctor_clean(sci)) in nilfs_segctor_confirm()
877 static void nilfs_segctor_clear_metadata_dirty(struct nilfs_sc_info *sci) in nilfs_segctor_clear_metadata_dirty() argument
879 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_clear_metadata_dirty()
881 nilfs_mdt_clear_dirty(sci->sc_root->ifile); in nilfs_segctor_clear_metadata_dirty()
887 static int nilfs_segctor_create_checkpoint(struct nilfs_sc_info *sci) in nilfs_segctor_create_checkpoint() argument
889 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_create_checkpoint()
908 nilfs_error(sci->sc_super, in nilfs_segctor_create_checkpoint()
915 static int nilfs_segctor_fill_in_checkpoint(struct nilfs_sc_info *sci) in nilfs_segctor_fill_in_checkpoint() argument
917 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_fill_in_checkpoint()
926 nilfs_error(sci->sc_super, in nilfs_segctor_fill_in_checkpoint()
935 cpu_to_le64(atomic64_read(&sci->sc_root->inodes_count)); in nilfs_segctor_fill_in_checkpoint()
937 cpu_to_le64(atomic64_read(&sci->sc_root->blocks_count)); in nilfs_segctor_fill_in_checkpoint()
939 cpu_to_le64(sci->sc_nblk_inc + sci->sc_nblk_this_inc); in nilfs_segctor_fill_in_checkpoint()
940 raw_cp->cp_create = cpu_to_le64(sci->sc_seg_ctime); in nilfs_segctor_fill_in_checkpoint()
943 if (test_bit(NILFS_SC_HAVE_DELTA, &sci->sc_flags)) in nilfs_segctor_fill_in_checkpoint()
948 nilfs_write_inode_common(sci->sc_root->ifile, in nilfs_segctor_fill_in_checkpoint()
974 static void nilfs_segctor_fill_in_file_bmap(struct nilfs_sc_info *sci) in nilfs_segctor_fill_in_file_bmap() argument
978 list_for_each_entry(ii, &sci->sc_dirty_files, i_dirty) { in nilfs_segctor_fill_in_file_bmap()
979 nilfs_fill_in_file_bmap(sci->sc_root->ifile, ii); in nilfs_segctor_fill_in_file_bmap()
984 static void nilfs_segctor_fill_in_super_root(struct nilfs_sc_info *sci, in nilfs_segctor_fill_in_super_root() argument
991 bh_sr = NILFS_LAST_SEGBUF(&sci->sc_segbufs)->sb_super_root; in nilfs_segctor_fill_in_super_root()
1002 nilfs->ns_nongc_ctime : sci->sc_seg_ctime); in nilfs_segctor_fill_in_super_root()
1039 static int nilfs_segctor_apply_buffers(struct nilfs_sc_info *sci, in nilfs_segctor_apply_buffers() argument
1052 err = collect(sci, bh, inode); in nilfs_segctor_apply_buffers()
1070 static size_t nilfs_segctor_buffer_rest(struct nilfs_sc_info *sci) in nilfs_segctor_buffer_rest() argument
1073 return sci->sc_segbuf_nblocks - in nilfs_segctor_buffer_rest()
1074 (sci->sc_nblk_this_inc + sci->sc_curseg->sb_sum.nblocks); in nilfs_segctor_buffer_rest()
1077 static int nilfs_segctor_scan_file(struct nilfs_sc_info *sci, in nilfs_segctor_scan_file() argument
1085 if (!(sci->sc_stage.flags & NILFS_CF_NODE)) { in nilfs_segctor_scan_file()
1086 size_t n, rest = nilfs_segctor_buffer_rest(sci); in nilfs_segctor_scan_file()
1092 sci, inode, &data_buffers, in nilfs_segctor_scan_file()
1100 if (!(sci->sc_stage.flags & NILFS_CF_NODE)) { in nilfs_segctor_scan_file()
1102 sci, inode, &data_buffers, sc_ops->collect_data); in nilfs_segctor_scan_file()
1106 sci, inode, &node_buffers, NULL); in nilfs_segctor_scan_file()
1109 sci->sc_stage.flags |= NILFS_CF_NODE; in nilfs_segctor_scan_file()
1113 sci, inode, &node_buffers, sc_ops->collect_node); in nilfs_segctor_scan_file()
1119 sci, inode, &node_buffers, sc_ops->collect_bmap); in nilfs_segctor_scan_file()
1123 nilfs_segctor_end_finfo(sci, inode); in nilfs_segctor_scan_file()
1124 sci->sc_stage.flags &= ~NILFS_CF_NODE; in nilfs_segctor_scan_file()
1130 static int nilfs_segctor_scan_file_dsync(struct nilfs_sc_info *sci, in nilfs_segctor_scan_file_dsync() argument
1134 size_t n, rest = nilfs_segctor_buffer_rest(sci); in nilfs_segctor_scan_file_dsync()
1138 sci->sc_dsync_start, in nilfs_segctor_scan_file_dsync()
1139 sci->sc_dsync_end); in nilfs_segctor_scan_file_dsync()
1141 err = nilfs_segctor_apply_buffers(sci, inode, &data_buffers, in nilfs_segctor_scan_file_dsync()
1144 nilfs_segctor_end_finfo(sci, inode); in nilfs_segctor_scan_file_dsync()
1151 static int nilfs_segctor_collect_blocks(struct nilfs_sc_info *sci, int mode) in nilfs_segctor_collect_blocks() argument
1153 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_collect_blocks()
1159 switch (nilfs_sc_cstage_get(sci)) { in nilfs_segctor_collect_blocks()
1162 sci->sc_stage.flags = 0; in nilfs_segctor_collect_blocks()
1164 if (!test_bit(NILFS_SC_UNCLOSED, &sci->sc_flags)) { in nilfs_segctor_collect_blocks()
1165 sci->sc_nblk_inc = 0; in nilfs_segctor_collect_blocks()
1166 sci->sc_curseg->sb_sum.flags = NILFS_SS_LOGBGN; in nilfs_segctor_collect_blocks()
1168 nilfs_sc_cstage_set(sci, NILFS_ST_DSYNC); in nilfs_segctor_collect_blocks()
1173 sci->sc_stage.dirty_file_ptr = NULL; in nilfs_segctor_collect_blocks()
1174 sci->sc_stage.gc_inode_ptr = NULL; in nilfs_segctor_collect_blocks()
1176 nilfs_sc_cstage_set(sci, NILFS_ST_DAT); in nilfs_segctor_collect_blocks()
1179 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1183 head = &sci->sc_gc_inodes; in nilfs_segctor_collect_blocks()
1184 ii = list_prepare_entry(sci->sc_stage.gc_inode_ptr, in nilfs_segctor_collect_blocks()
1188 sci, &ii->vfs_inode, in nilfs_segctor_collect_blocks()
1191 sci->sc_stage.gc_inode_ptr = list_entry( in nilfs_segctor_collect_blocks()
1199 sci->sc_stage.gc_inode_ptr = NULL; in nilfs_segctor_collect_blocks()
1201 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1204 head = &sci->sc_dirty_files; in nilfs_segctor_collect_blocks()
1205 ii = list_prepare_entry(sci->sc_stage.dirty_file_ptr, head, in nilfs_segctor_collect_blocks()
1210 err = nilfs_segctor_scan_file(sci, &ii->vfs_inode, in nilfs_segctor_collect_blocks()
1213 sci->sc_stage.dirty_file_ptr = in nilfs_segctor_collect_blocks()
1219 /* sci->sc_stage.dirty_file_ptr = NILFS_I(inode); */ in nilfs_segctor_collect_blocks()
1222 sci->sc_stage.dirty_file_ptr = NULL; in nilfs_segctor_collect_blocks()
1224 nilfs_sc_cstage_set(sci, NILFS_ST_DONE); in nilfs_segctor_collect_blocks()
1227 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1228 sci->sc_stage.flags |= NILFS_CF_IFILE_STARTED; in nilfs_segctor_collect_blocks()
1231 err = nilfs_segctor_scan_file(sci, sci->sc_root->ifile, in nilfs_segctor_collect_blocks()
1235 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1237 err = nilfs_segctor_create_checkpoint(sci); in nilfs_segctor_collect_blocks()
1242 err = nilfs_segctor_scan_file(sci, nilfs->ns_cpfile, in nilfs_segctor_collect_blocks()
1246 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1249 err = nilfs_sufile_freev(nilfs->ns_sufile, sci->sc_freesegs, in nilfs_segctor_collect_blocks()
1250 sci->sc_nfreesegs, &ndone); in nilfs_segctor_collect_blocks()
1253 sci->sc_freesegs, ndone, in nilfs_segctor_collect_blocks()
1257 sci->sc_stage.flags |= NILFS_CF_SUFREED; in nilfs_segctor_collect_blocks()
1259 err = nilfs_segctor_scan_file(sci, nilfs->ns_sufile, in nilfs_segctor_collect_blocks()
1263 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1267 err = nilfs_segctor_scan_file(sci, nilfs->ns_dat, in nilfs_segctor_collect_blocks()
1272 nilfs_sc_cstage_set(sci, NILFS_ST_DONE); in nilfs_segctor_collect_blocks()
1275 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1280 err = nilfs_segctor_add_super_root(sci); in nilfs_segctor_collect_blocks()
1285 sci->sc_curseg->sb_sum.flags |= NILFS_SS_LOGEND; in nilfs_segctor_collect_blocks()
1286 nilfs_sc_cstage_set(sci, NILFS_ST_DONE); in nilfs_segctor_collect_blocks()
1290 sci->sc_curseg->sb_sum.flags |= NILFS_SS_SYNDT; in nilfs_segctor_collect_blocks()
1291 ii = sci->sc_dsync_inode; in nilfs_segctor_collect_blocks()
1295 err = nilfs_segctor_scan_file_dsync(sci, &ii->vfs_inode); in nilfs_segctor_collect_blocks()
1298 sci->sc_curseg->sb_sum.flags |= NILFS_SS_LOGEND; in nilfs_segctor_collect_blocks()
1299 nilfs_sc_cstage_set(sci, NILFS_ST_DONE); in nilfs_segctor_collect_blocks()
1313 * @sci: nilfs_sc_info
1316 static int nilfs_segctor_begin_construction(struct nilfs_sc_info *sci, in nilfs_segctor_begin_construction() argument
1323 segbuf = nilfs_segbuf_new(sci->sc_super); in nilfs_segctor_begin_construction()
1327 if (list_empty(&sci->sc_write_logs)) { in nilfs_segctor_begin_construction()
1343 prev = NILFS_LAST_SEGBUF(&sci->sc_write_logs); in nilfs_segctor_begin_construction()
1366 BUG_ON(!list_empty(&sci->sc_segbufs)); in nilfs_segctor_begin_construction()
1367 list_add_tail(&segbuf->sb_list, &sci->sc_segbufs); in nilfs_segctor_begin_construction()
1368 sci->sc_segbuf_nblocks = segbuf->sb_rest_blocks; in nilfs_segctor_begin_construction()
1376 static int nilfs_segctor_extend_segments(struct nilfs_sc_info *sci, in nilfs_segctor_extend_segments() argument
1385 prev = NILFS_LAST_SEGBUF(&sci->sc_segbufs); in nilfs_segctor_extend_segments()
1399 segbuf = nilfs_segbuf_new(sci->sc_super); in nilfs_segctor_extend_segments()
1405 sci->sc_segbuf_nblocks += segbuf->sb_rest_blocks; in nilfs_segctor_extend_segments()
1418 list_splice_tail(&list, &sci->sc_segbufs); in nilfs_segctor_extend_segments()
1471 static void nilfs_segctor_update_segusage(struct nilfs_sc_info *sci, in nilfs_segctor_update_segusage() argument
1478 list_for_each_entry(segbuf, &sci->sc_segbufs, sb_list) { in nilfs_segctor_update_segusage()
1483 sci->sc_seg_ctime); in nilfs_segctor_update_segusage()
1506 static void nilfs_segctor_truncate_segments(struct nilfs_sc_info *sci, in nilfs_segctor_truncate_segments() argument
1513 list_for_each_entry_continue(segbuf, &sci->sc_segbufs, sb_list) { in nilfs_segctor_truncate_segments()
1514 sci->sc_segbuf_nblocks -= segbuf->sb_rest_blocks; in nilfs_segctor_truncate_segments()
1518 nilfs_truncate_logs(&sci->sc_segbufs, last); in nilfs_segctor_truncate_segments()
1522 static int nilfs_segctor_collect(struct nilfs_sc_info *sci, in nilfs_segctor_collect() argument
1525 struct nilfs_cstage prev_stage = sci->sc_stage; in nilfs_segctor_collect()
1530 sci->sc_nblk_this_inc = 0; in nilfs_segctor_collect()
1531 sci->sc_curseg = NILFS_FIRST_SEGBUF(&sci->sc_segbufs); in nilfs_segctor_collect()
1533 err = nilfs_segctor_reset_segment_buffer(sci); in nilfs_segctor_collect()
1537 err = nilfs_segctor_collect_blocks(sci, mode); in nilfs_segctor_collect()
1538 sci->sc_nblk_this_inc += sci->sc_curseg->sb_sum.nblocks; in nilfs_segctor_collect()
1547 nilfs_sc_cstage_get(sci) < NILFS_ST_CPFILE) in nilfs_segctor_collect()
1550 nilfs_clear_logs(&sci->sc_segbufs); in nilfs_segctor_collect()
1552 if (sci->sc_stage.flags & NILFS_CF_SUFREED) { in nilfs_segctor_collect()
1554 sci->sc_freesegs, in nilfs_segctor_collect()
1555 sci->sc_nfreesegs, in nilfs_segctor_collect()
1558 sci->sc_stage.flags &= ~NILFS_CF_SUFREED; in nilfs_segctor_collect()
1561 err = nilfs_segctor_extend_segments(sci, nilfs, nadd); in nilfs_segctor_collect()
1566 sci->sc_stage = prev_stage; in nilfs_segctor_collect()
1568 nilfs_segctor_zeropad_segsum(sci); in nilfs_segctor_collect()
1569 nilfs_segctor_truncate_segments(sci, sci->sc_curseg, nilfs->ns_sufile); in nilfs_segctor_collect()
1586 nilfs_segctor_update_payload_blocknr(struct nilfs_sc_info *sci, in nilfs_segctor_update_payload_blocknr() argument
1614 sci, &ssp, sizeof(*finfo)); in nilfs_segctor_update_payload_blocknr()
1639 sc_op->write_data_binfo(sci, &ssp, &binfo); in nilfs_segctor_update_payload_blocknr()
1641 sc_op->write_node_binfo(sci, &ssp, &binfo); in nilfs_segctor_update_payload_blocknr()
1658 static int nilfs_segctor_assign(struct nilfs_sc_info *sci, int mode) in nilfs_segctor_assign() argument
1663 list_for_each_entry(segbuf, &sci->sc_segbufs, sb_list) { in nilfs_segctor_assign()
1664 err = nilfs_segctor_update_payload_blocknr(sci, segbuf, mode); in nilfs_segctor_assign()
1687 static void nilfs_segctor_prepare_write(struct nilfs_sc_info *sci) in nilfs_segctor_prepare_write() argument
1692 list_for_each_entry(segbuf, &sci->sc_segbufs, sb_list) { in nilfs_segctor_prepare_write()
1736 static int nilfs_segctor_write(struct nilfs_sc_info *sci, in nilfs_segctor_write() argument
1741 ret = nilfs_write_logs(&sci->sc_segbufs, nilfs); in nilfs_segctor_write()
1742 list_splice_tail_init(&sci->sc_segbufs, &sci->sc_write_logs); in nilfs_segctor_write()
1827 static void nilfs_segctor_abort_construction(struct nilfs_sc_info *sci, in nilfs_segctor_abort_construction() argument
1833 list_splice_tail_init(&sci->sc_write_logs, &logs); in nilfs_segctor_abort_construction()
1837 list_splice_tail_init(&sci->sc_segbufs, &logs); in nilfs_segctor_abort_construction()
1841 if (sci->sc_stage.flags & NILFS_CF_SUFREED) { in nilfs_segctor_abort_construction()
1843 sci->sc_freesegs, in nilfs_segctor_abort_construction()
1844 sci->sc_nfreesegs, in nilfs_segctor_abort_construction()
1863 static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci) in nilfs_segctor_complete_write() argument
1867 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_complete_write()
1870 list_for_each_entry(segbuf, &sci->sc_write_logs, sb_list) { in nilfs_segctor_complete_write()
1921 set_bit(NILFS_SC_UNCLOSED, &sci->sc_flags); in nilfs_segctor_complete_write()
1922 sci->sc_lseg_stime = jiffies; in nilfs_segctor_complete_write()
1925 clear_bit(NILFS_SC_UNCLOSED, &sci->sc_flags); in nilfs_segctor_complete_write()
1937 nilfs_drop_collected_inodes(&sci->sc_dirty_files); in nilfs_segctor_complete_write()
1940 nilfs_drop_collected_inodes(&sci->sc_gc_inodes); in nilfs_segctor_complete_write()
1942 nilfs->ns_nongc_ctime = sci->sc_seg_ctime; in nilfs_segctor_complete_write()
1944 sci->sc_nblk_inc += sci->sc_nblk_this_inc; in nilfs_segctor_complete_write()
1946 segbuf = NILFS_LAST_SEGBUF(&sci->sc_write_logs); in nilfs_segctor_complete_write()
1954 clear_bit(NILFS_SC_HAVE_DELTA, &sci->sc_flags); in nilfs_segctor_complete_write()
1955 clear_bit(NILFS_SC_DIRTY, &sci->sc_flags); in nilfs_segctor_complete_write()
1956 set_bit(NILFS_SC_SUPER_ROOT, &sci->sc_flags); in nilfs_segctor_complete_write()
1957 nilfs_segctor_clear_metadata_dirty(sci); in nilfs_segctor_complete_write()
1959 clear_bit(NILFS_SC_SUPER_ROOT, &sci->sc_flags); in nilfs_segctor_complete_write()
1962 static int nilfs_segctor_wait(struct nilfs_sc_info *sci) in nilfs_segctor_wait() argument
1966 ret = nilfs_wait_on_logs(&sci->sc_write_logs); in nilfs_segctor_wait()
1968 nilfs_segctor_complete_write(sci); in nilfs_segctor_wait()
1969 nilfs_destroy_logs(&sci->sc_write_logs); in nilfs_segctor_wait()
1974 static int nilfs_segctor_collect_dirty_files(struct nilfs_sc_info *sci, in nilfs_segctor_collect_dirty_files() argument
1978 struct inode *ifile = sci->sc_root->ifile; in nilfs_segctor_collect_dirty_files()
1991 nilfs_warn(sci->sc_super, in nilfs_segctor_collect_dirty_files()
2010 list_move_tail(&ii->i_dirty, &sci->sc_dirty_files); in nilfs_segctor_collect_dirty_files()
2017 static void nilfs_segctor_drop_written_files(struct nilfs_sc_info *sci, in nilfs_segctor_drop_written_files() argument
2021 int during_mount = !(sci->sc_super->s_flags & SB_ACTIVE); in nilfs_segctor_drop_written_files()
2025 list_for_each_entry_safe(ii, n, &sci->sc_dirty_files, i_dirty) { in nilfs_segctor_drop_written_files()
2039 list_add_tail(&ii->i_dirty, &sci->sc_iput_queue); in nilfs_segctor_drop_written_files()
2050 schedule_work(&sci->sc_iput_work); in nilfs_segctor_drop_written_files()
2056 static int nilfs_segctor_do_construct(struct nilfs_sc_info *sci, int mode) in nilfs_segctor_do_construct() argument
2058 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_do_construct()
2061 if (sb_rdonly(sci->sc_super)) in nilfs_segctor_do_construct()
2064 nilfs_sc_cstage_set(sci, NILFS_ST_INIT); in nilfs_segctor_do_construct()
2065 sci->sc_cno = nilfs->ns_cno; in nilfs_segctor_do_construct()
2067 err = nilfs_segctor_collect_dirty_files(sci, nilfs); in nilfs_segctor_do_construct()
2071 if (nilfs_test_metadata_dirty(nilfs, sci->sc_root)) in nilfs_segctor_do_construct()
2072 set_bit(NILFS_SC_DIRTY, &sci->sc_flags); in nilfs_segctor_do_construct()
2074 if (nilfs_segctor_clean(sci)) in nilfs_segctor_do_construct()
2078 sci->sc_stage.flags &= ~NILFS_CF_HISTORY_MASK; in nilfs_segctor_do_construct()
2080 err = nilfs_segctor_begin_construction(sci, nilfs); in nilfs_segctor_do_construct()
2085 sci->sc_seg_ctime = ktime_get_real_seconds(); in nilfs_segctor_do_construct()
2087 err = nilfs_segctor_collect(sci, nilfs, mode); in nilfs_segctor_do_construct()
2092 if (nilfs_sc_cstage_get(sci) == NILFS_ST_DONE && in nilfs_segctor_do_construct()
2093 nilfs_segbuf_empty(sci->sc_curseg)) { in nilfs_segctor_do_construct()
2094 nilfs_segctor_abort_construction(sci, nilfs, 1); in nilfs_segctor_do_construct()
2098 err = nilfs_segctor_assign(sci, mode); in nilfs_segctor_do_construct()
2102 if (sci->sc_stage.flags & NILFS_CF_IFILE_STARTED) in nilfs_segctor_do_construct()
2103 nilfs_segctor_fill_in_file_bmap(sci); in nilfs_segctor_do_construct()
2106 nilfs_sc_cstage_get(sci) >= NILFS_ST_CPFILE) { in nilfs_segctor_do_construct()
2107 err = nilfs_segctor_fill_in_checkpoint(sci); in nilfs_segctor_do_construct()
2111 nilfs_segctor_fill_in_super_root(sci, nilfs); in nilfs_segctor_do_construct()
2113 nilfs_segctor_update_segusage(sci, nilfs->ns_sufile); in nilfs_segctor_do_construct()
2116 nilfs_segctor_prepare_write(sci); in nilfs_segctor_do_construct()
2118 nilfs_add_checksums_on_logs(&sci->sc_segbufs, in nilfs_segctor_do_construct()
2121 err = nilfs_segctor_write(sci, nilfs); in nilfs_segctor_do_construct()
2125 if (nilfs_sc_cstage_get(sci) == NILFS_ST_DONE || in nilfs_segctor_do_construct()
2134 err = nilfs_segctor_wait(sci); in nilfs_segctor_do_construct()
2138 } while (nilfs_sc_cstage_get(sci) != NILFS_ST_DONE); in nilfs_segctor_do_construct()
2141 nilfs_segctor_drop_written_files(sci, nilfs); in nilfs_segctor_do_construct()
2145 if (sci->sc_stage.flags & NILFS_CF_IFILE_STARTED) in nilfs_segctor_do_construct()
2146 nilfs_redirty_inodes(&sci->sc_dirty_files); in nilfs_segctor_do_construct()
2150 nilfs_redirty_inodes(&sci->sc_gc_inodes); in nilfs_segctor_do_construct()
2151 nilfs_segctor_abort_construction(sci, nilfs, err); in nilfs_segctor_do_construct()
2157 * @sci: nilfs_sc_info
2163 static void nilfs_segctor_start_timer(struct nilfs_sc_info *sci) in nilfs_segctor_start_timer() argument
2165 spin_lock(&sci->sc_state_lock); in nilfs_segctor_start_timer()
2166 if (!(sci->sc_state & NILFS_SEGCTOR_COMMIT)) { in nilfs_segctor_start_timer()
2167 sci->sc_timer.expires = jiffies + sci->sc_interval; in nilfs_segctor_start_timer()
2168 add_timer(&sci->sc_timer); in nilfs_segctor_start_timer()
2169 sci->sc_state |= NILFS_SEGCTOR_COMMIT; in nilfs_segctor_start_timer()
2171 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_start_timer()
2174 static void nilfs_segctor_do_flush(struct nilfs_sc_info *sci, int bn) in nilfs_segctor_do_flush() argument
2176 spin_lock(&sci->sc_state_lock); in nilfs_segctor_do_flush()
2177 if (!(sci->sc_flush_request & BIT(bn))) { in nilfs_segctor_do_flush()
2178 unsigned long prev_req = sci->sc_flush_request; in nilfs_segctor_do_flush()
2180 sci->sc_flush_request |= BIT(bn); in nilfs_segctor_do_flush()
2182 wake_up(&sci->sc_wait_daemon); in nilfs_segctor_do_flush()
2184 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_do_flush()
2195 struct nilfs_sc_info *sci = nilfs->ns_writer; in nilfs_flush_segment() local
2197 if (!sci || nilfs_doing_construction()) in nilfs_flush_segment()
2199 nilfs_segctor_do_flush(sci, NILFS_MDT_INODE(sb, ino) ? ino : 0); in nilfs_flush_segment()
2210 static int nilfs_segctor_sync(struct nilfs_sc_info *sci) in nilfs_segctor_sync() argument
2215 spin_lock(&sci->sc_state_lock); in nilfs_segctor_sync()
2219 wait_req.seq = ++sci->sc_seq_request; in nilfs_segctor_sync()
2220 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_sync()
2223 add_wait_queue(&sci->sc_wait_request, &wait_req.wq); in nilfs_segctor_sync()
2225 wake_up(&sci->sc_wait_daemon); in nilfs_segctor_sync()
2239 finish_wait(&sci->sc_wait_request, &wait_req.wq); in nilfs_segctor_sync()
2243 static void nilfs_segctor_wakeup(struct nilfs_sc_info *sci, int err) in nilfs_segctor_wakeup() argument
2248 spin_lock_irqsave(&sci->sc_wait_request.lock, flags); in nilfs_segctor_wakeup()
2249 list_for_each_entry_safe(wrq, n, &sci->sc_wait_request.head, wq.entry) { in nilfs_segctor_wakeup()
2251 nilfs_cnt32_ge(sci->sc_seq_done, wrq->seq)) { in nilfs_segctor_wakeup()
2261 spin_unlock_irqrestore(&sci->sc_wait_request.lock, flags); in nilfs_segctor_wakeup()
2284 struct nilfs_sc_info *sci = nilfs->ns_writer; in nilfs_construct_segment() local
2288 if (sb_rdonly(sb) || unlikely(!sci)) in nilfs_construct_segment()
2294 err = nilfs_segctor_sync(sci); in nilfs_construct_segment()
2322 struct nilfs_sc_info *sci = nilfs->ns_writer; in nilfs_construct_dsync_segment() local
2327 if (sb_rdonly(sb) || unlikely(!sci)) in nilfs_construct_dsync_segment()
2335 test_bit(NILFS_SC_UNCLOSED, &sci->sc_flags) || in nilfs_construct_dsync_segment()
2338 err = nilfs_segctor_sync(sci); in nilfs_construct_dsync_segment()
2350 sci->sc_dsync_inode = ii; in nilfs_construct_dsync_segment()
2351 sci->sc_dsync_start = start; in nilfs_construct_dsync_segment()
2352 sci->sc_dsync_end = end; in nilfs_construct_dsync_segment()
2354 err = nilfs_segctor_do_construct(sci, SC_LSEG_DSYNC); in nilfs_construct_dsync_segment()
2367 * @sci: segment constructor object
2369 static void nilfs_segctor_accept(struct nilfs_sc_info *sci) in nilfs_segctor_accept() argument
2371 spin_lock(&sci->sc_state_lock); in nilfs_segctor_accept()
2372 sci->sc_seq_accepted = sci->sc_seq_request; in nilfs_segctor_accept()
2373 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_accept()
2374 del_timer_sync(&sci->sc_timer); in nilfs_segctor_accept()
2379 * @sci: segment constructor object
2383 static void nilfs_segctor_notify(struct nilfs_sc_info *sci, int mode, int err) in nilfs_segctor_notify() argument
2386 spin_lock(&sci->sc_state_lock); in nilfs_segctor_notify()
2389 sci->sc_state &= ~NILFS_SEGCTOR_COMMIT; in nilfs_segctor_notify()
2390 sci->sc_seq_done = sci->sc_seq_accepted; in nilfs_segctor_notify()
2391 nilfs_segctor_wakeup(sci, err); in nilfs_segctor_notify()
2392 sci->sc_flush_request = 0; in nilfs_segctor_notify()
2395 sci->sc_flush_request &= ~FLUSH_FILE_BIT; in nilfs_segctor_notify()
2397 sci->sc_flush_request &= ~FLUSH_DAT_BIT; in nilfs_segctor_notify()
2400 if ((sci->sc_state & NILFS_SEGCTOR_COMMIT) && in nilfs_segctor_notify()
2401 time_before(jiffies, sci->sc_timer.expires)) in nilfs_segctor_notify()
2402 add_timer(&sci->sc_timer); in nilfs_segctor_notify()
2404 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_notify()
2409 * @sci: segment constructor object
2412 static int nilfs_segctor_construct(struct nilfs_sc_info *sci, int mode) in nilfs_segctor_construct() argument
2414 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_construct()
2418 nilfs_segctor_accept(sci); in nilfs_segctor_construct()
2422 if (!nilfs_segctor_confirm(sci)) in nilfs_segctor_construct()
2423 err = nilfs_segctor_do_construct(sci, mode); in nilfs_segctor_construct()
2428 if (test_bit(NILFS_SC_SUPER_ROOT, &sci->sc_flags) && in nilfs_segctor_construct()
2432 sbp = nilfs_prepare_super(sci->sc_super, in nilfs_segctor_construct()
2436 err = nilfs_commit_super(sci->sc_super, in nilfs_segctor_construct()
2443 nilfs_segctor_notify(sci, mode, err); in nilfs_segctor_construct()
2449 struct nilfs_sc_info *sci = from_timer(sci, t, sc_timer); in nilfs_construction_timeout() local
2451 wake_up_process(sci->sc_timer_task); in nilfs_construction_timeout()
2473 struct nilfs_sc_info *sci = nilfs->ns_writer; in nilfs_clean_segments() local
2477 if (unlikely(!sci)) in nilfs_clean_segments()
2492 sci->sc_freesegs = kbufs[4]; in nilfs_clean_segments()
2493 sci->sc_nfreesegs = argv[4].v_nmembs; in nilfs_clean_segments()
2494 list_splice_tail_init(&nilfs->ns_gc_inodes, &sci->sc_gc_inodes); in nilfs_clean_segments()
2497 err = nilfs_segctor_construct(sci, SC_LSEG_SR); in nilfs_clean_segments()
2498 nilfs_remove_written_gcinodes(nilfs, &sci->sc_gc_inodes); in nilfs_clean_segments()
2505 schedule_timeout(sci->sc_interval); in nilfs_clean_segments()
2508 int ret = nilfs_discard_segments(nilfs, sci->sc_freesegs, in nilfs_clean_segments()
2509 sci->sc_nfreesegs); in nilfs_clean_segments()
2519 sci->sc_freesegs = NULL; in nilfs_clean_segments()
2520 sci->sc_nfreesegs = 0; in nilfs_clean_segments()
2526 static void nilfs_segctor_thread_construct(struct nilfs_sc_info *sci, int mode) in nilfs_segctor_thread_construct() argument
2530 nilfs_transaction_lock(sci->sc_super, &ti, 0); in nilfs_segctor_thread_construct()
2531 nilfs_segctor_construct(sci, mode); in nilfs_segctor_thread_construct()
2538 if (test_bit(NILFS_SC_UNCLOSED, &sci->sc_flags)) in nilfs_segctor_thread_construct()
2539 nilfs_segctor_start_timer(sci); in nilfs_segctor_thread_construct()
2541 nilfs_transaction_unlock(sci->sc_super); in nilfs_segctor_thread_construct()
2544 static void nilfs_segctor_do_immediate_flush(struct nilfs_sc_info *sci) in nilfs_segctor_do_immediate_flush() argument
2548 spin_lock(&sci->sc_state_lock); in nilfs_segctor_do_immediate_flush()
2549 mode = (sci->sc_flush_request & FLUSH_DAT_BIT) ? in nilfs_segctor_do_immediate_flush()
2551 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_do_immediate_flush()
2554 nilfs_segctor_do_construct(sci, mode); in nilfs_segctor_do_immediate_flush()
2556 spin_lock(&sci->sc_state_lock); in nilfs_segctor_do_immediate_flush()
2557 sci->sc_flush_request &= (mode == SC_FLUSH_FILE) ? in nilfs_segctor_do_immediate_flush()
2559 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_do_immediate_flush()
2561 clear_bit(NILFS_SC_PRIOR_FLUSH, &sci->sc_flags); in nilfs_segctor_do_immediate_flush()
2564 static int nilfs_segctor_flush_mode(struct nilfs_sc_info *sci) in nilfs_segctor_flush_mode() argument
2566 if (!test_bit(NILFS_SC_UNCLOSED, &sci->sc_flags) || in nilfs_segctor_flush_mode()
2567 time_before(jiffies, sci->sc_lseg_stime + sci->sc_mjcp_freq)) { in nilfs_segctor_flush_mode()
2568 if (!(sci->sc_flush_request & ~FLUSH_FILE_BIT)) in nilfs_segctor_flush_mode()
2570 else if (!(sci->sc_flush_request & ~FLUSH_DAT_BIT)) in nilfs_segctor_flush_mode()
2585 struct nilfs_sc_info *sci = (struct nilfs_sc_info *)arg; in nilfs_segctor_thread() local
2586 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_thread()
2589 sci->sc_timer_task = current; in nilfs_segctor_thread()
2592 sci->sc_task = current; in nilfs_segctor_thread()
2593 wake_up(&sci->sc_wait_task); /* for nilfs_segctor_start_thread() */ in nilfs_segctor_thread()
2594 nilfs_info(sci->sc_super, in nilfs_segctor_thread()
2596 sci->sc_interval / HZ, sci->sc_mjcp_freq / HZ); in nilfs_segctor_thread()
2598 spin_lock(&sci->sc_state_lock); in nilfs_segctor_thread()
2603 if (sci->sc_state & NILFS_SEGCTOR_QUIT) in nilfs_segctor_thread()
2606 if (timeout || sci->sc_seq_request != sci->sc_seq_done) in nilfs_segctor_thread()
2608 else if (sci->sc_flush_request) in nilfs_segctor_thread()
2609 mode = nilfs_segctor_flush_mode(sci); in nilfs_segctor_thread()
2613 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_thread()
2614 nilfs_segctor_thread_construct(sci, mode); in nilfs_segctor_thread()
2615 spin_lock(&sci->sc_state_lock); in nilfs_segctor_thread()
2621 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_thread()
2623 spin_lock(&sci->sc_state_lock); in nilfs_segctor_thread()
2628 prepare_to_wait(&sci->sc_wait_daemon, &wait, in nilfs_segctor_thread()
2631 if (sci->sc_seq_request != sci->sc_seq_done) in nilfs_segctor_thread()
2633 else if (sci->sc_flush_request) in nilfs_segctor_thread()
2635 else if (sci->sc_state & NILFS_SEGCTOR_COMMIT) in nilfs_segctor_thread()
2637 sci->sc_timer.expires); in nilfs_segctor_thread()
2640 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_thread()
2642 spin_lock(&sci->sc_state_lock); in nilfs_segctor_thread()
2644 finish_wait(&sci->sc_wait_daemon, &wait); in nilfs_segctor_thread()
2645 timeout = ((sci->sc_state & NILFS_SEGCTOR_COMMIT) && in nilfs_segctor_thread()
2646 time_after_eq(jiffies, sci->sc_timer.expires)); in nilfs_segctor_thread()
2655 sci->sc_task = NULL; in nilfs_segctor_thread()
2656 wake_up(&sci->sc_wait_task); /* for nilfs_segctor_kill_thread() */ in nilfs_segctor_thread()
2657 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_thread()
2661 static int nilfs_segctor_start_thread(struct nilfs_sc_info *sci) in nilfs_segctor_start_thread() argument
2665 t = kthread_run(nilfs_segctor_thread, sci, "segctord"); in nilfs_segctor_start_thread()
2669 nilfs_err(sci->sc_super, "error %d creating segctord thread", in nilfs_segctor_start_thread()
2673 wait_event(sci->sc_wait_task, sci->sc_task != NULL); in nilfs_segctor_start_thread()
2677 static void nilfs_segctor_kill_thread(struct nilfs_sc_info *sci) in nilfs_segctor_kill_thread() argument
2678 __acquires(&sci->sc_state_lock) in nilfs_segctor_kill_thread()
2679 __releases(&sci->sc_state_lock) in nilfs_segctor_kill_thread()
2681 sci->sc_state |= NILFS_SEGCTOR_QUIT; in nilfs_segctor_kill_thread()
2683 while (sci->sc_task) { in nilfs_segctor_kill_thread()
2684 wake_up(&sci->sc_wait_daemon); in nilfs_segctor_kill_thread()
2685 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_kill_thread()
2686 wait_event(sci->sc_wait_task, sci->sc_task == NULL); in nilfs_segctor_kill_thread()
2687 spin_lock(&sci->sc_state_lock); in nilfs_segctor_kill_thread()
2698 struct nilfs_sc_info *sci; in nilfs_segctor_new() local
2700 sci = kzalloc(sizeof(*sci), GFP_KERNEL); in nilfs_segctor_new()
2701 if (!sci) in nilfs_segctor_new()
2704 sci->sc_super = sb; in nilfs_segctor_new()
2707 sci->sc_root = root; in nilfs_segctor_new()
2709 init_waitqueue_head(&sci->sc_wait_request); in nilfs_segctor_new()
2710 init_waitqueue_head(&sci->sc_wait_daemon); in nilfs_segctor_new()
2711 init_waitqueue_head(&sci->sc_wait_task); in nilfs_segctor_new()
2712 spin_lock_init(&sci->sc_state_lock); in nilfs_segctor_new()
2713 INIT_LIST_HEAD(&sci->sc_dirty_files); in nilfs_segctor_new()
2714 INIT_LIST_HEAD(&sci->sc_segbufs); in nilfs_segctor_new()
2715 INIT_LIST_HEAD(&sci->sc_write_logs); in nilfs_segctor_new()
2716 INIT_LIST_HEAD(&sci->sc_gc_inodes); in nilfs_segctor_new()
2717 INIT_LIST_HEAD(&sci->sc_iput_queue); in nilfs_segctor_new()
2718 INIT_WORK(&sci->sc_iput_work, nilfs_iput_work_func); in nilfs_segctor_new()
2719 timer_setup(&sci->sc_timer, nilfs_construction_timeout, 0); in nilfs_segctor_new()
2721 sci->sc_interval = HZ * NILFS_SC_DEFAULT_TIMEOUT; in nilfs_segctor_new()
2722 sci->sc_mjcp_freq = HZ * NILFS_SC_DEFAULT_SR_FREQ; in nilfs_segctor_new()
2723 sci->sc_watermark = NILFS_SC_DEFAULT_WATERMARK; in nilfs_segctor_new()
2726 sci->sc_interval = HZ * nilfs->ns_interval; in nilfs_segctor_new()
2728 sci->sc_watermark = nilfs->ns_watermark; in nilfs_segctor_new()
2729 return sci; in nilfs_segctor_new()
2732 static void nilfs_segctor_write_out(struct nilfs_sc_info *sci) in nilfs_segctor_write_out() argument
2743 nilfs_transaction_lock(sci->sc_super, &ti, 0); in nilfs_segctor_write_out()
2744 ret = nilfs_segctor_construct(sci, SC_LSEG_SR); in nilfs_segctor_write_out()
2745 nilfs_transaction_unlock(sci->sc_super); in nilfs_segctor_write_out()
2747 flush_work(&sci->sc_iput_work); in nilfs_segctor_write_out()
2754 * @sci: nilfs_sc_info
2760 static void nilfs_segctor_destroy(struct nilfs_sc_info *sci) in nilfs_segctor_destroy() argument
2762 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_destroy()
2767 spin_lock(&sci->sc_state_lock); in nilfs_segctor_destroy()
2768 nilfs_segctor_kill_thread(sci); in nilfs_segctor_destroy()
2769 flag = ((sci->sc_state & NILFS_SEGCTOR_COMMIT) || sci->sc_flush_request in nilfs_segctor_destroy()
2770 || sci->sc_seq_request != sci->sc_seq_done); in nilfs_segctor_destroy()
2771 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_destroy()
2773 if (flush_work(&sci->sc_iput_work)) in nilfs_segctor_destroy()
2776 if (flag || !nilfs_segctor_confirm(sci)) in nilfs_segctor_destroy()
2777 nilfs_segctor_write_out(sci); in nilfs_segctor_destroy()
2779 if (!list_empty(&sci->sc_dirty_files)) { in nilfs_segctor_destroy()
2780 nilfs_warn(sci->sc_super, in nilfs_segctor_destroy()
2782 nilfs_dispose_list(nilfs, &sci->sc_dirty_files, 1); in nilfs_segctor_destroy()
2785 if (!list_empty(&sci->sc_iput_queue)) { in nilfs_segctor_destroy()
2786 nilfs_warn(sci->sc_super, in nilfs_segctor_destroy()
2788 nilfs_dispose_list(nilfs, &sci->sc_iput_queue, 1); in nilfs_segctor_destroy()
2791 WARN_ON(!list_empty(&sci->sc_segbufs)); in nilfs_segctor_destroy()
2792 WARN_ON(!list_empty(&sci->sc_write_logs)); in nilfs_segctor_destroy()
2794 nilfs_put_root(sci->sc_root); in nilfs_segctor_destroy()
2798 del_timer_sync(&sci->sc_timer); in nilfs_segctor_destroy()
2799 kfree(sci); in nilfs_segctor_destroy()