Lines Matching refs: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()
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()
438 static int nilfs_segctor_feed_segment(struct nilfs_sc_info *sci) in nilfs_segctor_feed_segment() argument
440 sci->sc_nblk_this_inc += sci->sc_curseg->sb_sum.nblocks; in nilfs_segctor_feed_segment()
441 if (NILFS_SEGBUF_IS_LAST(sci->sc_curseg, &sci->sc_segbufs)) in nilfs_segctor_feed_segment()
446 sci->sc_curseg = NILFS_NEXT_SEGBUF(sci->sc_curseg); in nilfs_segctor_feed_segment()
447 return nilfs_segctor_reset_segment_buffer(sci); in nilfs_segctor_feed_segment()
450 static int nilfs_segctor_add_super_root(struct nilfs_sc_info *sci) in nilfs_segctor_add_super_root() argument
452 struct nilfs_segment_buffer *segbuf = sci->sc_curseg; in nilfs_segctor_add_super_root()
456 err = nilfs_segctor_feed_segment(sci); in nilfs_segctor_add_super_root()
459 segbuf = sci->sc_curseg; in nilfs_segctor_add_super_root()
471 struct nilfs_sc_info *sci, const struct nilfs_segsum_pointer *ssp, in nilfs_segctor_segsum_block_required() argument
474 unsigned int blocksize = sci->sc_super->s_blocksize; in nilfs_segctor_segsum_block_required()
478 (!sci->sc_blk_cnt ? sizeof(struct nilfs_finfo) : 0) > in nilfs_segctor_segsum_block_required()
482 static void nilfs_segctor_begin_finfo(struct nilfs_sc_info *sci, in nilfs_segctor_begin_finfo() argument
485 sci->sc_curseg->sb_sum.nfinfo++; in nilfs_segctor_begin_finfo()
486 sci->sc_binfo_ptr = sci->sc_finfo_ptr; in nilfs_segctor_begin_finfo()
488 sci, &sci->sc_binfo_ptr, sizeof(struct nilfs_finfo)); in nilfs_segctor_begin_finfo()
491 !test_bit(NILFS_SC_HAVE_DELTA, &sci->sc_flags)) in nilfs_segctor_begin_finfo()
492 set_bit(NILFS_SC_HAVE_DELTA, &sci->sc_flags); in nilfs_segctor_begin_finfo()
496 static void nilfs_segctor_end_finfo(struct nilfs_sc_info *sci, in nilfs_segctor_end_finfo() argument
504 if (sci->sc_blk_cnt == 0) in nilfs_segctor_end_finfo()
514 cno = sci->sc_cno; in nilfs_segctor_end_finfo()
516 finfo = nilfs_segctor_map_segsum_entry(sci, &sci->sc_finfo_ptr, in nilfs_segctor_end_finfo()
519 finfo->fi_nblocks = cpu_to_le32(sci->sc_blk_cnt); in nilfs_segctor_end_finfo()
520 finfo->fi_ndatablk = cpu_to_le32(sci->sc_datablk_cnt); in nilfs_segctor_end_finfo()
523 segbuf = sci->sc_curseg; in nilfs_segctor_end_finfo()
524 segbuf->sb_sum.sumbytes = sci->sc_binfo_ptr.offset + in nilfs_segctor_end_finfo()
525 sci->sc_super->s_blocksize * (segbuf->sb_sum.nsumblk - 1); in nilfs_segctor_end_finfo()
526 sci->sc_finfo_ptr = sci->sc_binfo_ptr; in nilfs_segctor_end_finfo()
527 sci->sc_blk_cnt = sci->sc_datablk_cnt = 0; in nilfs_segctor_end_finfo()
530 static int nilfs_segctor_add_file_block(struct nilfs_sc_info *sci, in nilfs_segctor_add_file_block() argument
539 segbuf = sci->sc_curseg; in nilfs_segctor_add_file_block()
541 sci, &sci->sc_binfo_ptr, binfo_size); in nilfs_segctor_add_file_block()
543 nilfs_segctor_end_finfo(sci, inode); in nilfs_segctor_add_file_block()
544 err = nilfs_segctor_feed_segment(sci); in nilfs_segctor_add_file_block()
554 if (sci->sc_blk_cnt == 0) in nilfs_segctor_add_file_block()
555 nilfs_segctor_begin_finfo(sci, inode); in nilfs_segctor_add_file_block()
557 nilfs_segctor_map_segsum_entry(sci, &sci->sc_binfo_ptr, binfo_size); in nilfs_segctor_add_file_block()
560 sci->sc_blk_cnt++; in nilfs_segctor_add_file_block()
568 static int nilfs_collect_file_data(struct nilfs_sc_info *sci, in nilfs_collect_file_data() argument
577 err = nilfs_segctor_add_file_block(sci, bh, inode, in nilfs_collect_file_data()
580 sci->sc_datablk_cnt++; in nilfs_collect_file_data()
584 static int nilfs_collect_file_node(struct nilfs_sc_info *sci, in nilfs_collect_file_node() argument
591 static int nilfs_collect_file_bmap(struct nilfs_sc_info *sci, in nilfs_collect_file_bmap() argument
596 return nilfs_segctor_add_file_block(sci, bh, inode, sizeof(__le64)); in nilfs_collect_file_bmap()
599 static void nilfs_write_file_data_binfo(struct nilfs_sc_info *sci, in nilfs_write_file_data_binfo() argument
604 sci, ssp, sizeof(*binfo_v)); in nilfs_write_file_data_binfo()
608 static void nilfs_write_file_node_binfo(struct nilfs_sc_info *sci, in nilfs_write_file_node_binfo() argument
613 sci, ssp, sizeof(*vblocknr)); in nilfs_write_file_node_binfo()
625 static int nilfs_collect_dat_data(struct nilfs_sc_info *sci, in nilfs_collect_dat_data() argument
634 err = nilfs_segctor_add_file_block(sci, bh, inode, sizeof(__le64)); in nilfs_collect_dat_data()
636 sci->sc_datablk_cnt++; in nilfs_collect_dat_data()
640 static int nilfs_collect_dat_bmap(struct nilfs_sc_info *sci, in nilfs_collect_dat_bmap() argument
644 return nilfs_segctor_add_file_block(sci, bh, inode, in nilfs_collect_dat_bmap()
648 static void nilfs_write_dat_data_binfo(struct nilfs_sc_info *sci, in nilfs_write_dat_data_binfo() argument
652 __le64 *blkoff = nilfs_segctor_map_segsum_entry(sci, ssp, in nilfs_write_dat_data_binfo()
657 static void nilfs_write_dat_node_binfo(struct nilfs_sc_info *sci, in nilfs_write_dat_node_binfo() argument
662 nilfs_segctor_map_segsum_entry(sci, ssp, sizeof(*binfo_dat)); in nilfs_write_dat_node_binfo()
806 struct nilfs_sc_info *sci = container_of(work, struct nilfs_sc_info, in nilfs_iput_work_func() local
808 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_iput_work_func()
810 nilfs_dispose_list(nilfs, &sci->sc_iput_queue, 0); in nilfs_iput_work_func()
829 static int nilfs_segctor_clean(struct nilfs_sc_info *sci) in nilfs_segctor_clean() argument
831 return list_empty(&sci->sc_dirty_files) && in nilfs_segctor_clean()
832 !test_bit(NILFS_SC_DIRTY, &sci->sc_flags) && in nilfs_segctor_clean()
833 sci->sc_nfreesegs == 0 && in nilfs_segctor_clean()
834 (!nilfs_doing_gc() || list_empty(&sci->sc_gc_inodes)); in nilfs_segctor_clean()
837 static int nilfs_segctor_confirm(struct nilfs_sc_info *sci) in nilfs_segctor_confirm() argument
839 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_confirm()
842 if (nilfs_test_metadata_dirty(nilfs, sci->sc_root)) in nilfs_segctor_confirm()
843 set_bit(NILFS_SC_DIRTY, &sci->sc_flags); in nilfs_segctor_confirm()
846 if (list_empty(&nilfs->ns_dirty_files) && nilfs_segctor_clean(sci)) in nilfs_segctor_confirm()
853 static void nilfs_segctor_clear_metadata_dirty(struct nilfs_sc_info *sci) in nilfs_segctor_clear_metadata_dirty() argument
855 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_clear_metadata_dirty()
857 nilfs_mdt_clear_dirty(sci->sc_root->ifile); in nilfs_segctor_clear_metadata_dirty()
863 static int nilfs_segctor_create_checkpoint(struct nilfs_sc_info *sci) in nilfs_segctor_create_checkpoint() argument
865 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_create_checkpoint()
884 nilfs_error(sci->sc_super, in nilfs_segctor_create_checkpoint()
891 static int nilfs_segctor_fill_in_checkpoint(struct nilfs_sc_info *sci) in nilfs_segctor_fill_in_checkpoint() argument
893 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_fill_in_checkpoint()
902 nilfs_error(sci->sc_super, in nilfs_segctor_fill_in_checkpoint()
911 cpu_to_le64(atomic64_read(&sci->sc_root->inodes_count)); in nilfs_segctor_fill_in_checkpoint()
913 cpu_to_le64(atomic64_read(&sci->sc_root->blocks_count)); in nilfs_segctor_fill_in_checkpoint()
915 cpu_to_le64(sci->sc_nblk_inc + sci->sc_nblk_this_inc); in nilfs_segctor_fill_in_checkpoint()
916 raw_cp->cp_create = cpu_to_le64(sci->sc_seg_ctime); in nilfs_segctor_fill_in_checkpoint()
919 if (test_bit(NILFS_SC_HAVE_DELTA, &sci->sc_flags)) in nilfs_segctor_fill_in_checkpoint()
924 nilfs_write_inode_common(sci->sc_root->ifile, in nilfs_segctor_fill_in_checkpoint()
950 static void nilfs_segctor_fill_in_file_bmap(struct nilfs_sc_info *sci) in nilfs_segctor_fill_in_file_bmap() argument
954 list_for_each_entry(ii, &sci->sc_dirty_files, i_dirty) { in nilfs_segctor_fill_in_file_bmap()
955 nilfs_fill_in_file_bmap(sci->sc_root->ifile, ii); in nilfs_segctor_fill_in_file_bmap()
960 static void nilfs_segctor_fill_in_super_root(struct nilfs_sc_info *sci, in nilfs_segctor_fill_in_super_root() argument
967 bh_sr = NILFS_LAST_SEGBUF(&sci->sc_segbufs)->sb_super_root; in nilfs_segctor_fill_in_super_root()
975 nilfs->ns_nongc_ctime : sci->sc_seg_ctime); in nilfs_segctor_fill_in_super_root()
1010 static int nilfs_segctor_apply_buffers(struct nilfs_sc_info *sci, in nilfs_segctor_apply_buffers() argument
1023 err = collect(sci, bh, inode); in nilfs_segctor_apply_buffers()
1041 static size_t nilfs_segctor_buffer_rest(struct nilfs_sc_info *sci) in nilfs_segctor_buffer_rest() argument
1044 return sci->sc_segbuf_nblocks - in nilfs_segctor_buffer_rest()
1045 (sci->sc_nblk_this_inc + sci->sc_curseg->sb_sum.nblocks); in nilfs_segctor_buffer_rest()
1048 static int nilfs_segctor_scan_file(struct nilfs_sc_info *sci, in nilfs_segctor_scan_file() argument
1056 if (!(sci->sc_stage.flags & NILFS_CF_NODE)) { in nilfs_segctor_scan_file()
1057 size_t n, rest = nilfs_segctor_buffer_rest(sci); in nilfs_segctor_scan_file()
1063 sci, inode, &data_buffers, in nilfs_segctor_scan_file()
1071 if (!(sci->sc_stage.flags & NILFS_CF_NODE)) { in nilfs_segctor_scan_file()
1073 sci, inode, &data_buffers, sc_ops->collect_data); in nilfs_segctor_scan_file()
1077 sci, inode, &node_buffers, NULL); in nilfs_segctor_scan_file()
1080 sci->sc_stage.flags |= NILFS_CF_NODE; in nilfs_segctor_scan_file()
1084 sci, inode, &node_buffers, sc_ops->collect_node); in nilfs_segctor_scan_file()
1090 sci, inode, &node_buffers, sc_ops->collect_bmap); in nilfs_segctor_scan_file()
1094 nilfs_segctor_end_finfo(sci, inode); in nilfs_segctor_scan_file()
1095 sci->sc_stage.flags &= ~NILFS_CF_NODE; in nilfs_segctor_scan_file()
1101 static int nilfs_segctor_scan_file_dsync(struct nilfs_sc_info *sci, in nilfs_segctor_scan_file_dsync() argument
1105 size_t n, rest = nilfs_segctor_buffer_rest(sci); in nilfs_segctor_scan_file_dsync()
1109 sci->sc_dsync_start, in nilfs_segctor_scan_file_dsync()
1110 sci->sc_dsync_end); in nilfs_segctor_scan_file_dsync()
1112 err = nilfs_segctor_apply_buffers(sci, inode, &data_buffers, in nilfs_segctor_scan_file_dsync()
1115 nilfs_segctor_end_finfo(sci, inode); in nilfs_segctor_scan_file_dsync()
1122 static int nilfs_segctor_collect_blocks(struct nilfs_sc_info *sci, int mode) in nilfs_segctor_collect_blocks() argument
1124 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_collect_blocks()
1130 switch (nilfs_sc_cstage_get(sci)) { in nilfs_segctor_collect_blocks()
1133 sci->sc_stage.flags = 0; in nilfs_segctor_collect_blocks()
1135 if (!test_bit(NILFS_SC_UNCLOSED, &sci->sc_flags)) { in nilfs_segctor_collect_blocks()
1136 sci->sc_nblk_inc = 0; in nilfs_segctor_collect_blocks()
1137 sci->sc_curseg->sb_sum.flags = NILFS_SS_LOGBGN; in nilfs_segctor_collect_blocks()
1139 nilfs_sc_cstage_set(sci, NILFS_ST_DSYNC); in nilfs_segctor_collect_blocks()
1144 sci->sc_stage.dirty_file_ptr = NULL; in nilfs_segctor_collect_blocks()
1145 sci->sc_stage.gc_inode_ptr = NULL; in nilfs_segctor_collect_blocks()
1147 nilfs_sc_cstage_set(sci, NILFS_ST_DAT); in nilfs_segctor_collect_blocks()
1150 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1154 head = &sci->sc_gc_inodes; in nilfs_segctor_collect_blocks()
1155 ii = list_prepare_entry(sci->sc_stage.gc_inode_ptr, in nilfs_segctor_collect_blocks()
1159 sci, &ii->vfs_inode, in nilfs_segctor_collect_blocks()
1162 sci->sc_stage.gc_inode_ptr = list_entry( in nilfs_segctor_collect_blocks()
1170 sci->sc_stage.gc_inode_ptr = NULL; in nilfs_segctor_collect_blocks()
1172 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1175 head = &sci->sc_dirty_files; in nilfs_segctor_collect_blocks()
1176 ii = list_prepare_entry(sci->sc_stage.dirty_file_ptr, head, in nilfs_segctor_collect_blocks()
1181 err = nilfs_segctor_scan_file(sci, &ii->vfs_inode, in nilfs_segctor_collect_blocks()
1184 sci->sc_stage.dirty_file_ptr = in nilfs_segctor_collect_blocks()
1193 sci->sc_stage.dirty_file_ptr = NULL; in nilfs_segctor_collect_blocks()
1195 nilfs_sc_cstage_set(sci, NILFS_ST_DONE); in nilfs_segctor_collect_blocks()
1198 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1199 sci->sc_stage.flags |= NILFS_CF_IFILE_STARTED; in nilfs_segctor_collect_blocks()
1202 err = nilfs_segctor_scan_file(sci, sci->sc_root->ifile, in nilfs_segctor_collect_blocks()
1206 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1208 err = nilfs_segctor_create_checkpoint(sci); in nilfs_segctor_collect_blocks()
1213 err = nilfs_segctor_scan_file(sci, nilfs->ns_cpfile, in nilfs_segctor_collect_blocks()
1217 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1220 err = nilfs_sufile_freev(nilfs->ns_sufile, sci->sc_freesegs, in nilfs_segctor_collect_blocks()
1221 sci->sc_nfreesegs, &ndone); in nilfs_segctor_collect_blocks()
1224 sci->sc_freesegs, ndone, in nilfs_segctor_collect_blocks()
1228 sci->sc_stage.flags |= NILFS_CF_SUFREED; in nilfs_segctor_collect_blocks()
1230 err = nilfs_segctor_scan_file(sci, nilfs->ns_sufile, in nilfs_segctor_collect_blocks()
1234 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1238 err = nilfs_segctor_scan_file(sci, nilfs->ns_dat, in nilfs_segctor_collect_blocks()
1243 nilfs_sc_cstage_set(sci, NILFS_ST_DONE); in nilfs_segctor_collect_blocks()
1246 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1251 err = nilfs_segctor_add_super_root(sci); in nilfs_segctor_collect_blocks()
1256 sci->sc_curseg->sb_sum.flags |= NILFS_SS_LOGEND; in nilfs_segctor_collect_blocks()
1257 nilfs_sc_cstage_set(sci, NILFS_ST_DONE); in nilfs_segctor_collect_blocks()
1261 sci->sc_curseg->sb_sum.flags |= NILFS_SS_SYNDT; in nilfs_segctor_collect_blocks()
1262 ii = sci->sc_dsync_inode; in nilfs_segctor_collect_blocks()
1266 err = nilfs_segctor_scan_file_dsync(sci, &ii->vfs_inode); in nilfs_segctor_collect_blocks()
1269 sci->sc_curseg->sb_sum.flags |= NILFS_SS_LOGEND; in nilfs_segctor_collect_blocks()
1270 nilfs_sc_cstage_set(sci, NILFS_ST_DONE); in nilfs_segctor_collect_blocks()
1287 static int nilfs_segctor_begin_construction(struct nilfs_sc_info *sci, in nilfs_segctor_begin_construction() argument
1294 segbuf = nilfs_segbuf_new(sci->sc_super); in nilfs_segctor_begin_construction()
1298 if (list_empty(&sci->sc_write_logs)) { in nilfs_segctor_begin_construction()
1314 prev = NILFS_LAST_SEGBUF(&sci->sc_write_logs); in nilfs_segctor_begin_construction()
1337 BUG_ON(!list_empty(&sci->sc_segbufs)); in nilfs_segctor_begin_construction()
1338 list_add_tail(&segbuf->sb_list, &sci->sc_segbufs); in nilfs_segctor_begin_construction()
1339 sci->sc_segbuf_nblocks = segbuf->sb_rest_blocks; in nilfs_segctor_begin_construction()
1347 static int nilfs_segctor_extend_segments(struct nilfs_sc_info *sci, in nilfs_segctor_extend_segments() argument
1356 prev = NILFS_LAST_SEGBUF(&sci->sc_segbufs); in nilfs_segctor_extend_segments()
1370 segbuf = nilfs_segbuf_new(sci->sc_super); in nilfs_segctor_extend_segments()
1376 sci->sc_segbuf_nblocks += segbuf->sb_rest_blocks; in nilfs_segctor_extend_segments()
1389 list_splice_tail(&list, &sci->sc_segbufs); in nilfs_segctor_extend_segments()
1442 static void nilfs_segctor_update_segusage(struct nilfs_sc_info *sci, in nilfs_segctor_update_segusage() argument
1449 list_for_each_entry(segbuf, &sci->sc_segbufs, sb_list) { in nilfs_segctor_update_segusage()
1454 sci->sc_seg_ctime); in nilfs_segctor_update_segusage()
1477 static void nilfs_segctor_truncate_segments(struct nilfs_sc_info *sci, in nilfs_segctor_truncate_segments() argument
1484 list_for_each_entry_continue(segbuf, &sci->sc_segbufs, sb_list) { in nilfs_segctor_truncate_segments()
1485 sci->sc_segbuf_nblocks -= segbuf->sb_rest_blocks; in nilfs_segctor_truncate_segments()
1489 nilfs_truncate_logs(&sci->sc_segbufs, last); in nilfs_segctor_truncate_segments()
1493 static int nilfs_segctor_collect(struct nilfs_sc_info *sci, in nilfs_segctor_collect() argument
1496 struct nilfs_cstage prev_stage = sci->sc_stage; in nilfs_segctor_collect()
1501 sci->sc_nblk_this_inc = 0; in nilfs_segctor_collect()
1502 sci->sc_curseg = NILFS_FIRST_SEGBUF(&sci->sc_segbufs); in nilfs_segctor_collect()
1504 err = nilfs_segctor_reset_segment_buffer(sci); in nilfs_segctor_collect()
1508 err = nilfs_segctor_collect_blocks(sci, mode); in nilfs_segctor_collect()
1509 sci->sc_nblk_this_inc += sci->sc_curseg->sb_sum.nblocks; in nilfs_segctor_collect()
1518 nilfs_sc_cstage_get(sci) < NILFS_ST_CPFILE) in nilfs_segctor_collect()
1521 nilfs_clear_logs(&sci->sc_segbufs); in nilfs_segctor_collect()
1523 if (sci->sc_stage.flags & NILFS_CF_SUFREED) { in nilfs_segctor_collect()
1525 sci->sc_freesegs, in nilfs_segctor_collect()
1526 sci->sc_nfreesegs, in nilfs_segctor_collect()
1529 sci->sc_stage.flags &= ~NILFS_CF_SUFREED; in nilfs_segctor_collect()
1532 err = nilfs_segctor_extend_segments(sci, nilfs, nadd); in nilfs_segctor_collect()
1537 sci->sc_stage = prev_stage; in nilfs_segctor_collect()
1539 nilfs_segctor_truncate_segments(sci, sci->sc_curseg, nilfs->ns_sufile); in nilfs_segctor_collect()
1556 nilfs_segctor_update_payload_blocknr(struct nilfs_sc_info *sci, in nilfs_segctor_update_payload_blocknr() argument
1584 sci, &ssp, sizeof(*finfo)); in nilfs_segctor_update_payload_blocknr()
1609 sc_op->write_data_binfo(sci, &ssp, &binfo); in nilfs_segctor_update_payload_blocknr()
1611 sc_op->write_node_binfo(sci, &ssp, &binfo); in nilfs_segctor_update_payload_blocknr()
1628 static int nilfs_segctor_assign(struct nilfs_sc_info *sci, int mode) in nilfs_segctor_assign() argument
1633 list_for_each_entry(segbuf, &sci->sc_segbufs, sb_list) { in nilfs_segctor_assign()
1634 err = nilfs_segctor_update_payload_blocknr(sci, segbuf, mode); in nilfs_segctor_assign()
1657 static void nilfs_segctor_prepare_write(struct nilfs_sc_info *sci) in nilfs_segctor_prepare_write() argument
1662 list_for_each_entry(segbuf, &sci->sc_segbufs, sb_list) { in nilfs_segctor_prepare_write()
1706 static int nilfs_segctor_write(struct nilfs_sc_info *sci, in nilfs_segctor_write() argument
1711 ret = nilfs_write_logs(&sci->sc_segbufs, nilfs); in nilfs_segctor_write()
1712 list_splice_tail_init(&sci->sc_segbufs, &sci->sc_write_logs); in nilfs_segctor_write()
1795 static void nilfs_segctor_abort_construction(struct nilfs_sc_info *sci, in nilfs_segctor_abort_construction() argument
1801 list_splice_tail_init(&sci->sc_write_logs, &logs); in nilfs_segctor_abort_construction()
1805 list_splice_tail_init(&sci->sc_segbufs, &logs); in nilfs_segctor_abort_construction()
1809 if (sci->sc_stage.flags & NILFS_CF_SUFREED) { in nilfs_segctor_abort_construction()
1811 sci->sc_freesegs, in nilfs_segctor_abort_construction()
1812 sci->sc_nfreesegs, in nilfs_segctor_abort_construction()
1831 static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci) in nilfs_segctor_complete_write() argument
1835 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_complete_write()
1838 list_for_each_entry(segbuf, &sci->sc_write_logs, sb_list) { in nilfs_segctor_complete_write()
1887 set_bit(NILFS_SC_UNCLOSED, &sci->sc_flags); in nilfs_segctor_complete_write()
1888 sci->sc_lseg_stime = jiffies; in nilfs_segctor_complete_write()
1891 clear_bit(NILFS_SC_UNCLOSED, &sci->sc_flags); in nilfs_segctor_complete_write()
1903 nilfs_drop_collected_inodes(&sci->sc_dirty_files); in nilfs_segctor_complete_write()
1906 nilfs_drop_collected_inodes(&sci->sc_gc_inodes); in nilfs_segctor_complete_write()
1908 nilfs->ns_nongc_ctime = sci->sc_seg_ctime; in nilfs_segctor_complete_write()
1910 sci->sc_nblk_inc += sci->sc_nblk_this_inc; in nilfs_segctor_complete_write()
1912 segbuf = NILFS_LAST_SEGBUF(&sci->sc_write_logs); in nilfs_segctor_complete_write()
1920 clear_bit(NILFS_SC_HAVE_DELTA, &sci->sc_flags); in nilfs_segctor_complete_write()
1921 clear_bit(NILFS_SC_DIRTY, &sci->sc_flags); in nilfs_segctor_complete_write()
1922 set_bit(NILFS_SC_SUPER_ROOT, &sci->sc_flags); in nilfs_segctor_complete_write()
1923 nilfs_segctor_clear_metadata_dirty(sci); in nilfs_segctor_complete_write()
1925 clear_bit(NILFS_SC_SUPER_ROOT, &sci->sc_flags); in nilfs_segctor_complete_write()
1928 static int nilfs_segctor_wait(struct nilfs_sc_info *sci) in nilfs_segctor_wait() argument
1932 ret = nilfs_wait_on_logs(&sci->sc_write_logs); in nilfs_segctor_wait()
1934 nilfs_segctor_complete_write(sci); in nilfs_segctor_wait()
1935 nilfs_destroy_logs(&sci->sc_write_logs); in nilfs_segctor_wait()
1940 static int nilfs_segctor_collect_dirty_files(struct nilfs_sc_info *sci, in nilfs_segctor_collect_dirty_files() argument
1944 struct inode *ifile = sci->sc_root->ifile; in nilfs_segctor_collect_dirty_files()
1957 nilfs_warn(sci->sc_super, in nilfs_segctor_collect_dirty_files()
1976 list_move_tail(&ii->i_dirty, &sci->sc_dirty_files); in nilfs_segctor_collect_dirty_files()
1983 static void nilfs_segctor_drop_written_files(struct nilfs_sc_info *sci, in nilfs_segctor_drop_written_files() argument
1987 int during_mount = !(sci->sc_super->s_flags & SB_ACTIVE); in nilfs_segctor_drop_written_files()
1991 list_for_each_entry_safe(ii, n, &sci->sc_dirty_files, i_dirty) { in nilfs_segctor_drop_written_files()
2005 list_add_tail(&ii->i_dirty, &sci->sc_iput_queue); in nilfs_segctor_drop_written_files()
2016 schedule_work(&sci->sc_iput_work); in nilfs_segctor_drop_written_files()
2022 static int nilfs_segctor_do_construct(struct nilfs_sc_info *sci, int mode) in nilfs_segctor_do_construct() argument
2024 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_do_construct()
2027 nilfs_sc_cstage_set(sci, NILFS_ST_INIT); in nilfs_segctor_do_construct()
2028 sci->sc_cno = nilfs->ns_cno; in nilfs_segctor_do_construct()
2030 err = nilfs_segctor_collect_dirty_files(sci, nilfs); in nilfs_segctor_do_construct()
2034 if (nilfs_test_metadata_dirty(nilfs, sci->sc_root)) in nilfs_segctor_do_construct()
2035 set_bit(NILFS_SC_DIRTY, &sci->sc_flags); in nilfs_segctor_do_construct()
2037 if (nilfs_segctor_clean(sci)) in nilfs_segctor_do_construct()
2041 sci->sc_stage.flags &= ~NILFS_CF_HISTORY_MASK; in nilfs_segctor_do_construct()
2043 err = nilfs_segctor_begin_construction(sci, nilfs); in nilfs_segctor_do_construct()
2048 sci->sc_seg_ctime = ktime_get_real_seconds(); in nilfs_segctor_do_construct()
2050 err = nilfs_segctor_collect(sci, nilfs, mode); in nilfs_segctor_do_construct()
2055 if (nilfs_sc_cstage_get(sci) == NILFS_ST_DONE && in nilfs_segctor_do_construct()
2056 nilfs_segbuf_empty(sci->sc_curseg)) { in nilfs_segctor_do_construct()
2057 nilfs_segctor_abort_construction(sci, nilfs, 1); in nilfs_segctor_do_construct()
2061 err = nilfs_segctor_assign(sci, mode); in nilfs_segctor_do_construct()
2065 if (sci->sc_stage.flags & NILFS_CF_IFILE_STARTED) in nilfs_segctor_do_construct()
2066 nilfs_segctor_fill_in_file_bmap(sci); in nilfs_segctor_do_construct()
2069 nilfs_sc_cstage_get(sci) >= NILFS_ST_CPFILE) { in nilfs_segctor_do_construct()
2070 err = nilfs_segctor_fill_in_checkpoint(sci); in nilfs_segctor_do_construct()
2074 nilfs_segctor_fill_in_super_root(sci, nilfs); in nilfs_segctor_do_construct()
2076 nilfs_segctor_update_segusage(sci, nilfs->ns_sufile); in nilfs_segctor_do_construct()
2079 nilfs_segctor_prepare_write(sci); in nilfs_segctor_do_construct()
2081 nilfs_add_checksums_on_logs(&sci->sc_segbufs, in nilfs_segctor_do_construct()
2084 err = nilfs_segctor_write(sci, nilfs); in nilfs_segctor_do_construct()
2088 if (nilfs_sc_cstage_get(sci) == NILFS_ST_DONE || in nilfs_segctor_do_construct()
2097 err = nilfs_segctor_wait(sci); in nilfs_segctor_do_construct()
2101 } while (nilfs_sc_cstage_get(sci) != NILFS_ST_DONE); in nilfs_segctor_do_construct()
2104 nilfs_segctor_drop_written_files(sci, nilfs); in nilfs_segctor_do_construct()
2108 if (sci->sc_stage.flags & NILFS_CF_IFILE_STARTED) in nilfs_segctor_do_construct()
2109 nilfs_redirty_inodes(&sci->sc_dirty_files); in nilfs_segctor_do_construct()
2113 nilfs_redirty_inodes(&sci->sc_gc_inodes); in nilfs_segctor_do_construct()
2114 nilfs_segctor_abort_construction(sci, nilfs, err); in nilfs_segctor_do_construct()
2126 static void nilfs_segctor_start_timer(struct nilfs_sc_info *sci) in nilfs_segctor_start_timer() argument
2128 spin_lock(&sci->sc_state_lock); in nilfs_segctor_start_timer()
2129 if (!(sci->sc_state & NILFS_SEGCTOR_COMMIT)) { in nilfs_segctor_start_timer()
2130 sci->sc_timer.expires = jiffies + sci->sc_interval; in nilfs_segctor_start_timer()
2131 add_timer(&sci->sc_timer); in nilfs_segctor_start_timer()
2132 sci->sc_state |= NILFS_SEGCTOR_COMMIT; in nilfs_segctor_start_timer()
2134 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_start_timer()
2137 static void nilfs_segctor_do_flush(struct nilfs_sc_info *sci, int bn) in nilfs_segctor_do_flush() argument
2139 spin_lock(&sci->sc_state_lock); in nilfs_segctor_do_flush()
2140 if (!(sci->sc_flush_request & BIT(bn))) { in nilfs_segctor_do_flush()
2141 unsigned long prev_req = sci->sc_flush_request; in nilfs_segctor_do_flush()
2143 sci->sc_flush_request |= BIT(bn); in nilfs_segctor_do_flush()
2145 wake_up(&sci->sc_wait_daemon); in nilfs_segctor_do_flush()
2147 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_do_flush()
2158 struct nilfs_sc_info *sci = nilfs->ns_writer; in nilfs_flush_segment() local
2160 if (!sci || nilfs_doing_construction()) in nilfs_flush_segment()
2162 nilfs_segctor_do_flush(sci, NILFS_MDT_INODE(sb, ino) ? ino : 0); in nilfs_flush_segment()
2173 static int nilfs_segctor_sync(struct nilfs_sc_info *sci) in nilfs_segctor_sync() argument
2178 spin_lock(&sci->sc_state_lock); in nilfs_segctor_sync()
2182 wait_req.seq = ++sci->sc_seq_request; in nilfs_segctor_sync()
2183 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_sync()
2186 add_wait_queue(&sci->sc_wait_request, &wait_req.wq); in nilfs_segctor_sync()
2188 wake_up(&sci->sc_wait_daemon); in nilfs_segctor_sync()
2202 finish_wait(&sci->sc_wait_request, &wait_req.wq); in nilfs_segctor_sync()
2206 static void nilfs_segctor_wakeup(struct nilfs_sc_info *sci, int err) in nilfs_segctor_wakeup() argument
2211 spin_lock_irqsave(&sci->sc_wait_request.lock, flags); in nilfs_segctor_wakeup()
2212 list_for_each_entry_safe(wrq, n, &sci->sc_wait_request.head, wq.entry) { in nilfs_segctor_wakeup()
2214 nilfs_cnt32_ge(sci->sc_seq_done, wrq->seq)) { in nilfs_segctor_wakeup()
2224 spin_unlock_irqrestore(&sci->sc_wait_request.lock, flags); in nilfs_segctor_wakeup()
2247 struct nilfs_sc_info *sci = nilfs->ns_writer; in nilfs_construct_segment() local
2251 if (sb_rdonly(sb) || unlikely(!sci)) in nilfs_construct_segment()
2257 err = nilfs_segctor_sync(sci); in nilfs_construct_segment()
2285 struct nilfs_sc_info *sci = nilfs->ns_writer; in nilfs_construct_dsync_segment() local
2290 if (sb_rdonly(sb) || unlikely(!sci)) in nilfs_construct_dsync_segment()
2298 test_bit(NILFS_SC_UNCLOSED, &sci->sc_flags) || in nilfs_construct_dsync_segment()
2301 err = nilfs_segctor_sync(sci); in nilfs_construct_dsync_segment()
2313 sci->sc_dsync_inode = ii; in nilfs_construct_dsync_segment()
2314 sci->sc_dsync_start = start; in nilfs_construct_dsync_segment()
2315 sci->sc_dsync_end = end; in nilfs_construct_dsync_segment()
2317 err = nilfs_segctor_do_construct(sci, SC_LSEG_DSYNC); in nilfs_construct_dsync_segment()
2332 static void nilfs_segctor_accept(struct nilfs_sc_info *sci) in nilfs_segctor_accept() argument
2334 spin_lock(&sci->sc_state_lock); in nilfs_segctor_accept()
2335 sci->sc_seq_accepted = sci->sc_seq_request; in nilfs_segctor_accept()
2336 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_accept()
2337 del_timer_sync(&sci->sc_timer); in nilfs_segctor_accept()
2346 static void nilfs_segctor_notify(struct nilfs_sc_info *sci, int mode, int err) in nilfs_segctor_notify() argument
2349 spin_lock(&sci->sc_state_lock); in nilfs_segctor_notify()
2352 sci->sc_state &= ~NILFS_SEGCTOR_COMMIT; in nilfs_segctor_notify()
2353 sci->sc_seq_done = sci->sc_seq_accepted; in nilfs_segctor_notify()
2354 nilfs_segctor_wakeup(sci, err); in nilfs_segctor_notify()
2355 sci->sc_flush_request = 0; in nilfs_segctor_notify()
2358 sci->sc_flush_request &= ~FLUSH_FILE_BIT; in nilfs_segctor_notify()
2360 sci->sc_flush_request &= ~FLUSH_DAT_BIT; in nilfs_segctor_notify()
2363 if ((sci->sc_state & NILFS_SEGCTOR_COMMIT) && in nilfs_segctor_notify()
2364 time_before(jiffies, sci->sc_timer.expires)) in nilfs_segctor_notify()
2365 add_timer(&sci->sc_timer); in nilfs_segctor_notify()
2367 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_notify()
2375 static int nilfs_segctor_construct(struct nilfs_sc_info *sci, int mode) in nilfs_segctor_construct() argument
2377 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_construct()
2381 nilfs_segctor_accept(sci); in nilfs_segctor_construct()
2385 if (!nilfs_segctor_confirm(sci)) in nilfs_segctor_construct()
2386 err = nilfs_segctor_do_construct(sci, mode); in nilfs_segctor_construct()
2391 if (test_bit(NILFS_SC_SUPER_ROOT, &sci->sc_flags) && in nilfs_segctor_construct()
2395 sbp = nilfs_prepare_super(sci->sc_super, in nilfs_segctor_construct()
2399 err = nilfs_commit_super(sci->sc_super, in nilfs_segctor_construct()
2406 nilfs_segctor_notify(sci, mode, err); in nilfs_segctor_construct()
2412 struct nilfs_sc_info *sci = from_timer(sci, t, sc_timer); in nilfs_construction_timeout() local
2414 wake_up_process(sci->sc_timer_task); in nilfs_construction_timeout()
2436 struct nilfs_sc_info *sci = nilfs->ns_writer; in nilfs_clean_segments() local
2440 if (unlikely(!sci)) in nilfs_clean_segments()
2455 sci->sc_freesegs = kbufs[4]; in nilfs_clean_segments()
2456 sci->sc_nfreesegs = argv[4].v_nmembs; in nilfs_clean_segments()
2457 list_splice_tail_init(&nilfs->ns_gc_inodes, &sci->sc_gc_inodes); in nilfs_clean_segments()
2460 err = nilfs_segctor_construct(sci, SC_LSEG_SR); in nilfs_clean_segments()
2461 nilfs_remove_written_gcinodes(nilfs, &sci->sc_gc_inodes); in nilfs_clean_segments()
2468 schedule_timeout(sci->sc_interval); in nilfs_clean_segments()
2471 int ret = nilfs_discard_segments(nilfs, sci->sc_freesegs, in nilfs_clean_segments()
2472 sci->sc_nfreesegs); in nilfs_clean_segments()
2482 sci->sc_freesegs = NULL; in nilfs_clean_segments()
2483 sci->sc_nfreesegs = 0; in nilfs_clean_segments()
2489 static void nilfs_segctor_thread_construct(struct nilfs_sc_info *sci, int mode) in nilfs_segctor_thread_construct() argument
2493 nilfs_transaction_lock(sci->sc_super, &ti, 0); in nilfs_segctor_thread_construct()
2494 nilfs_segctor_construct(sci, mode); in nilfs_segctor_thread_construct()
2501 if (test_bit(NILFS_SC_UNCLOSED, &sci->sc_flags)) in nilfs_segctor_thread_construct()
2502 nilfs_segctor_start_timer(sci); in nilfs_segctor_thread_construct()
2504 nilfs_transaction_unlock(sci->sc_super); in nilfs_segctor_thread_construct()
2507 static void nilfs_segctor_do_immediate_flush(struct nilfs_sc_info *sci) in nilfs_segctor_do_immediate_flush() argument
2511 spin_lock(&sci->sc_state_lock); in nilfs_segctor_do_immediate_flush()
2512 mode = (sci->sc_flush_request & FLUSH_DAT_BIT) ? in nilfs_segctor_do_immediate_flush()
2514 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_do_immediate_flush()
2517 nilfs_segctor_do_construct(sci, mode); in nilfs_segctor_do_immediate_flush()
2519 spin_lock(&sci->sc_state_lock); in nilfs_segctor_do_immediate_flush()
2520 sci->sc_flush_request &= (mode == SC_FLUSH_FILE) ? in nilfs_segctor_do_immediate_flush()
2522 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_do_immediate_flush()
2524 clear_bit(NILFS_SC_PRIOR_FLUSH, &sci->sc_flags); in nilfs_segctor_do_immediate_flush()
2527 static int nilfs_segctor_flush_mode(struct nilfs_sc_info *sci) in nilfs_segctor_flush_mode() argument
2529 if (!test_bit(NILFS_SC_UNCLOSED, &sci->sc_flags) || in nilfs_segctor_flush_mode()
2530 time_before(jiffies, sci->sc_lseg_stime + sci->sc_mjcp_freq)) { in nilfs_segctor_flush_mode()
2531 if (!(sci->sc_flush_request & ~FLUSH_FILE_BIT)) in nilfs_segctor_flush_mode()
2533 else if (!(sci->sc_flush_request & ~FLUSH_DAT_BIT)) in nilfs_segctor_flush_mode()
2548 struct nilfs_sc_info *sci = (struct nilfs_sc_info *)arg; in nilfs_segctor_thread() local
2549 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_thread()
2552 sci->sc_timer_task = current; in nilfs_segctor_thread()
2555 sci->sc_task = current; in nilfs_segctor_thread()
2556 wake_up(&sci->sc_wait_task); /* for nilfs_segctor_start_thread() */ in nilfs_segctor_thread()
2557 nilfs_info(sci->sc_super, in nilfs_segctor_thread()
2559 sci->sc_interval / HZ, sci->sc_mjcp_freq / HZ); in nilfs_segctor_thread()
2561 spin_lock(&sci->sc_state_lock); in nilfs_segctor_thread()
2566 if (sci->sc_state & NILFS_SEGCTOR_QUIT) in nilfs_segctor_thread()
2569 if (timeout || sci->sc_seq_request != sci->sc_seq_done) in nilfs_segctor_thread()
2571 else if (sci->sc_flush_request) in nilfs_segctor_thread()
2572 mode = nilfs_segctor_flush_mode(sci); in nilfs_segctor_thread()
2576 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_thread()
2577 nilfs_segctor_thread_construct(sci, mode); in nilfs_segctor_thread()
2578 spin_lock(&sci->sc_state_lock); in nilfs_segctor_thread()
2584 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_thread()
2586 spin_lock(&sci->sc_state_lock); in nilfs_segctor_thread()
2591 prepare_to_wait(&sci->sc_wait_daemon, &wait, in nilfs_segctor_thread()
2594 if (sci->sc_seq_request != sci->sc_seq_done) in nilfs_segctor_thread()
2596 else if (sci->sc_flush_request) in nilfs_segctor_thread()
2598 else if (sci->sc_state & NILFS_SEGCTOR_COMMIT) in nilfs_segctor_thread()
2600 sci->sc_timer.expires); in nilfs_segctor_thread()
2603 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_thread()
2605 spin_lock(&sci->sc_state_lock); in nilfs_segctor_thread()
2607 finish_wait(&sci->sc_wait_daemon, &wait); in nilfs_segctor_thread()
2608 timeout = ((sci->sc_state & NILFS_SEGCTOR_COMMIT) && in nilfs_segctor_thread()
2609 time_after_eq(jiffies, sci->sc_timer.expires)); in nilfs_segctor_thread()
2617 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_thread()
2620 sci->sc_task = NULL; in nilfs_segctor_thread()
2621 wake_up(&sci->sc_wait_task); /* for nilfs_segctor_kill_thread() */ in nilfs_segctor_thread()
2625 static int nilfs_segctor_start_thread(struct nilfs_sc_info *sci) in nilfs_segctor_start_thread() argument
2629 t = kthread_run(nilfs_segctor_thread, sci, "segctord"); in nilfs_segctor_start_thread()
2633 nilfs_err(sci->sc_super, "error %d creating segctord thread", in nilfs_segctor_start_thread()
2637 wait_event(sci->sc_wait_task, sci->sc_task != NULL); in nilfs_segctor_start_thread()
2641 static void nilfs_segctor_kill_thread(struct nilfs_sc_info *sci) in nilfs_segctor_kill_thread() argument
2642 __acquires(&sci->sc_state_lock) in nilfs_segctor_kill_thread()
2643 __releases(&sci->sc_state_lock) in nilfs_segctor_kill_thread()
2645 sci->sc_state |= NILFS_SEGCTOR_QUIT; in nilfs_segctor_kill_thread()
2647 while (sci->sc_task) { in nilfs_segctor_kill_thread()
2648 wake_up(&sci->sc_wait_daemon); in nilfs_segctor_kill_thread()
2649 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_kill_thread()
2650 wait_event(sci->sc_wait_task, sci->sc_task == NULL); in nilfs_segctor_kill_thread()
2651 spin_lock(&sci->sc_state_lock); in nilfs_segctor_kill_thread()
2662 struct nilfs_sc_info *sci; in nilfs_segctor_new() local
2664 sci = kzalloc(sizeof(*sci), GFP_KERNEL); in nilfs_segctor_new()
2665 if (!sci) in nilfs_segctor_new()
2668 sci->sc_super = sb; in nilfs_segctor_new()
2671 sci->sc_root = root; in nilfs_segctor_new()
2673 init_waitqueue_head(&sci->sc_wait_request); in nilfs_segctor_new()
2674 init_waitqueue_head(&sci->sc_wait_daemon); in nilfs_segctor_new()
2675 init_waitqueue_head(&sci->sc_wait_task); in nilfs_segctor_new()
2676 spin_lock_init(&sci->sc_state_lock); in nilfs_segctor_new()
2677 INIT_LIST_HEAD(&sci->sc_dirty_files); in nilfs_segctor_new()
2678 INIT_LIST_HEAD(&sci->sc_segbufs); in nilfs_segctor_new()
2679 INIT_LIST_HEAD(&sci->sc_write_logs); in nilfs_segctor_new()
2680 INIT_LIST_HEAD(&sci->sc_gc_inodes); in nilfs_segctor_new()
2681 INIT_LIST_HEAD(&sci->sc_iput_queue); in nilfs_segctor_new()
2682 INIT_WORK(&sci->sc_iput_work, nilfs_iput_work_func); in nilfs_segctor_new()
2683 timer_setup(&sci->sc_timer, nilfs_construction_timeout, 0); in nilfs_segctor_new()
2685 sci->sc_interval = HZ * NILFS_SC_DEFAULT_TIMEOUT; in nilfs_segctor_new()
2686 sci->sc_mjcp_freq = HZ * NILFS_SC_DEFAULT_SR_FREQ; in nilfs_segctor_new()
2687 sci->sc_watermark = NILFS_SC_DEFAULT_WATERMARK; in nilfs_segctor_new()
2690 sci->sc_interval = HZ * nilfs->ns_interval; in nilfs_segctor_new()
2692 sci->sc_watermark = nilfs->ns_watermark; in nilfs_segctor_new()
2693 return sci; in nilfs_segctor_new()
2696 static void nilfs_segctor_write_out(struct nilfs_sc_info *sci) in nilfs_segctor_write_out() argument
2707 nilfs_transaction_lock(sci->sc_super, &ti, 0); in nilfs_segctor_write_out()
2708 ret = nilfs_segctor_construct(sci, SC_LSEG_SR); in nilfs_segctor_write_out()
2709 nilfs_transaction_unlock(sci->sc_super); in nilfs_segctor_write_out()
2711 flush_work(&sci->sc_iput_work); in nilfs_segctor_write_out()
2724 static void nilfs_segctor_destroy(struct nilfs_sc_info *sci) in nilfs_segctor_destroy() argument
2726 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_destroy()
2731 spin_lock(&sci->sc_state_lock); in nilfs_segctor_destroy()
2732 nilfs_segctor_kill_thread(sci); in nilfs_segctor_destroy()
2733 flag = ((sci->sc_state & NILFS_SEGCTOR_COMMIT) || sci->sc_flush_request in nilfs_segctor_destroy()
2734 || sci->sc_seq_request != sci->sc_seq_done); in nilfs_segctor_destroy()
2735 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_destroy()
2737 if (flush_work(&sci->sc_iput_work)) in nilfs_segctor_destroy()
2740 if (flag || !nilfs_segctor_confirm(sci)) in nilfs_segctor_destroy()
2741 nilfs_segctor_write_out(sci); in nilfs_segctor_destroy()
2743 if (!list_empty(&sci->sc_dirty_files)) { in nilfs_segctor_destroy()
2744 nilfs_warn(sci->sc_super, in nilfs_segctor_destroy()
2746 nilfs_dispose_list(nilfs, &sci->sc_dirty_files, 1); in nilfs_segctor_destroy()
2749 if (!list_empty(&sci->sc_iput_queue)) { in nilfs_segctor_destroy()
2750 nilfs_warn(sci->sc_super, in nilfs_segctor_destroy()
2752 nilfs_dispose_list(nilfs, &sci->sc_iput_queue, 1); in nilfs_segctor_destroy()
2755 WARN_ON(!list_empty(&sci->sc_segbufs)); in nilfs_segctor_destroy()
2756 WARN_ON(!list_empty(&sci->sc_write_logs)); in nilfs_segctor_destroy()
2758 nilfs_put_root(sci->sc_root); in nilfs_segctor_destroy()
2762 del_timer_sync(&sci->sc_timer); in nilfs_segctor_destroy()
2763 kfree(sci); in nilfs_segctor_destroy()