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 (sb_rdonly(sb) || unlikely(!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()
801 struct nilfs_sc_info *sci = container_of(work, struct nilfs_sc_info, in nilfs_iput_work_func() local
803 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_iput_work_func()
805 nilfs_dispose_list(nilfs, &sci->sc_iput_queue, 0); in nilfs_iput_work_func()
824 static int nilfs_segctor_clean(struct nilfs_sc_info *sci) in nilfs_segctor_clean() argument
826 return list_empty(&sci->sc_dirty_files) && in nilfs_segctor_clean()
827 !test_bit(NILFS_SC_DIRTY, &sci->sc_flags) && in nilfs_segctor_clean()
828 sci->sc_nfreesegs == 0 && in nilfs_segctor_clean()
829 (!nilfs_doing_gc() || list_empty(&sci->sc_gc_inodes)); in nilfs_segctor_clean()
832 static int nilfs_segctor_confirm(struct nilfs_sc_info *sci) in nilfs_segctor_confirm() argument
834 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_confirm()
837 if (nilfs_test_metadata_dirty(nilfs, sci->sc_root)) in nilfs_segctor_confirm()
838 set_bit(NILFS_SC_DIRTY, &sci->sc_flags); in nilfs_segctor_confirm()
841 if (list_empty(&nilfs->ns_dirty_files) && nilfs_segctor_clean(sci)) in nilfs_segctor_confirm()
848 static void nilfs_segctor_clear_metadata_dirty(struct nilfs_sc_info *sci) in nilfs_segctor_clear_metadata_dirty() argument
850 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_clear_metadata_dirty()
852 nilfs_mdt_clear_dirty(sci->sc_root->ifile); in nilfs_segctor_clear_metadata_dirty()
858 static int nilfs_segctor_create_checkpoint(struct nilfs_sc_info *sci) in nilfs_segctor_create_checkpoint() argument
860 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_create_checkpoint()
879 nilfs_error(sci->sc_super, in nilfs_segctor_create_checkpoint()
886 static int nilfs_segctor_fill_in_checkpoint(struct nilfs_sc_info *sci) in nilfs_segctor_fill_in_checkpoint() argument
888 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_fill_in_checkpoint()
897 nilfs_error(sci->sc_super, in nilfs_segctor_fill_in_checkpoint()
906 cpu_to_le64(atomic64_read(&sci->sc_root->inodes_count)); in nilfs_segctor_fill_in_checkpoint()
908 cpu_to_le64(atomic64_read(&sci->sc_root->blocks_count)); in nilfs_segctor_fill_in_checkpoint()
910 cpu_to_le64(sci->sc_nblk_inc + sci->sc_nblk_this_inc); in nilfs_segctor_fill_in_checkpoint()
911 raw_cp->cp_create = cpu_to_le64(sci->sc_seg_ctime); in nilfs_segctor_fill_in_checkpoint()
914 if (test_bit(NILFS_SC_HAVE_DELTA, &sci->sc_flags)) in nilfs_segctor_fill_in_checkpoint()
919 nilfs_write_inode_common(sci->sc_root->ifile, in nilfs_segctor_fill_in_checkpoint()
945 static void nilfs_segctor_fill_in_file_bmap(struct nilfs_sc_info *sci) in nilfs_segctor_fill_in_file_bmap() argument
949 list_for_each_entry(ii, &sci->sc_dirty_files, i_dirty) { in nilfs_segctor_fill_in_file_bmap()
950 nilfs_fill_in_file_bmap(sci->sc_root->ifile, ii); in nilfs_segctor_fill_in_file_bmap()
955 static void nilfs_segctor_fill_in_super_root(struct nilfs_sc_info *sci, in nilfs_segctor_fill_in_super_root() argument
962 bh_sr = NILFS_LAST_SEGBUF(&sci->sc_segbufs)->sb_super_root; in nilfs_segctor_fill_in_super_root()
970 nilfs->ns_nongc_ctime : sci->sc_seg_ctime); in nilfs_segctor_fill_in_super_root()
1005 static int nilfs_segctor_apply_buffers(struct nilfs_sc_info *sci, in nilfs_segctor_apply_buffers() argument
1018 err = collect(sci, bh, inode); in nilfs_segctor_apply_buffers()
1036 static size_t nilfs_segctor_buffer_rest(struct nilfs_sc_info *sci) in nilfs_segctor_buffer_rest() argument
1039 return sci->sc_segbuf_nblocks - in nilfs_segctor_buffer_rest()
1040 (sci->sc_nblk_this_inc + sci->sc_curseg->sb_sum.nblocks); in nilfs_segctor_buffer_rest()
1043 static int nilfs_segctor_scan_file(struct nilfs_sc_info *sci, in nilfs_segctor_scan_file() argument
1051 if (!(sci->sc_stage.flags & NILFS_CF_NODE)) { in nilfs_segctor_scan_file()
1052 size_t n, rest = nilfs_segctor_buffer_rest(sci); in nilfs_segctor_scan_file()
1058 sci, inode, &data_buffers, in nilfs_segctor_scan_file()
1066 if (!(sci->sc_stage.flags & NILFS_CF_NODE)) { in nilfs_segctor_scan_file()
1068 sci, inode, &data_buffers, sc_ops->collect_data); in nilfs_segctor_scan_file()
1072 sci, inode, &node_buffers, NULL); in nilfs_segctor_scan_file()
1075 sci->sc_stage.flags |= NILFS_CF_NODE; in nilfs_segctor_scan_file()
1079 sci, inode, &node_buffers, sc_ops->collect_node); in nilfs_segctor_scan_file()
1085 sci, inode, &node_buffers, sc_ops->collect_bmap); in nilfs_segctor_scan_file()
1089 nilfs_segctor_end_finfo(sci, inode); in nilfs_segctor_scan_file()
1090 sci->sc_stage.flags &= ~NILFS_CF_NODE; in nilfs_segctor_scan_file()
1096 static int nilfs_segctor_scan_file_dsync(struct nilfs_sc_info *sci, in nilfs_segctor_scan_file_dsync() argument
1100 size_t n, rest = nilfs_segctor_buffer_rest(sci); in nilfs_segctor_scan_file_dsync()
1104 sci->sc_dsync_start, in nilfs_segctor_scan_file_dsync()
1105 sci->sc_dsync_end); in nilfs_segctor_scan_file_dsync()
1107 err = nilfs_segctor_apply_buffers(sci, inode, &data_buffers, in nilfs_segctor_scan_file_dsync()
1110 nilfs_segctor_end_finfo(sci, inode); in nilfs_segctor_scan_file_dsync()
1117 static int nilfs_segctor_collect_blocks(struct nilfs_sc_info *sci, int mode) in nilfs_segctor_collect_blocks() argument
1119 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_collect_blocks()
1125 switch (nilfs_sc_cstage_get(sci)) { in nilfs_segctor_collect_blocks()
1128 sci->sc_stage.flags = 0; in nilfs_segctor_collect_blocks()
1130 if (!test_bit(NILFS_SC_UNCLOSED, &sci->sc_flags)) { in nilfs_segctor_collect_blocks()
1131 sci->sc_nblk_inc = 0; in nilfs_segctor_collect_blocks()
1132 sci->sc_curseg->sb_sum.flags = NILFS_SS_LOGBGN; in nilfs_segctor_collect_blocks()
1134 nilfs_sc_cstage_set(sci, NILFS_ST_DSYNC); in nilfs_segctor_collect_blocks()
1139 sci->sc_stage.dirty_file_ptr = NULL; in nilfs_segctor_collect_blocks()
1140 sci->sc_stage.gc_inode_ptr = NULL; in nilfs_segctor_collect_blocks()
1142 nilfs_sc_cstage_set(sci, NILFS_ST_DAT); in nilfs_segctor_collect_blocks()
1145 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1149 head = &sci->sc_gc_inodes; in nilfs_segctor_collect_blocks()
1150 ii = list_prepare_entry(sci->sc_stage.gc_inode_ptr, in nilfs_segctor_collect_blocks()
1154 sci, &ii->vfs_inode, in nilfs_segctor_collect_blocks()
1157 sci->sc_stage.gc_inode_ptr = list_entry( in nilfs_segctor_collect_blocks()
1165 sci->sc_stage.gc_inode_ptr = NULL; in nilfs_segctor_collect_blocks()
1167 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1170 head = &sci->sc_dirty_files; in nilfs_segctor_collect_blocks()
1171 ii = list_prepare_entry(sci->sc_stage.dirty_file_ptr, head, in nilfs_segctor_collect_blocks()
1176 err = nilfs_segctor_scan_file(sci, &ii->vfs_inode, in nilfs_segctor_collect_blocks()
1179 sci->sc_stage.dirty_file_ptr = in nilfs_segctor_collect_blocks()
1185 /* sci->sc_stage.dirty_file_ptr = NILFS_I(inode); */ in nilfs_segctor_collect_blocks()
1188 sci->sc_stage.dirty_file_ptr = NULL; in nilfs_segctor_collect_blocks()
1190 nilfs_sc_cstage_set(sci, NILFS_ST_DONE); in nilfs_segctor_collect_blocks()
1193 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1194 sci->sc_stage.flags |= NILFS_CF_IFILE_STARTED; in nilfs_segctor_collect_blocks()
1197 err = nilfs_segctor_scan_file(sci, sci->sc_root->ifile, in nilfs_segctor_collect_blocks()
1201 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1203 err = nilfs_segctor_create_checkpoint(sci); in nilfs_segctor_collect_blocks()
1208 err = nilfs_segctor_scan_file(sci, nilfs->ns_cpfile, in nilfs_segctor_collect_blocks()
1212 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1215 err = nilfs_sufile_freev(nilfs->ns_sufile, sci->sc_freesegs, in nilfs_segctor_collect_blocks()
1216 sci->sc_nfreesegs, &ndone); in nilfs_segctor_collect_blocks()
1219 sci->sc_freesegs, ndone, in nilfs_segctor_collect_blocks()
1223 sci->sc_stage.flags |= NILFS_CF_SUFREED; in nilfs_segctor_collect_blocks()
1225 err = nilfs_segctor_scan_file(sci, nilfs->ns_sufile, in nilfs_segctor_collect_blocks()
1229 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1233 err = nilfs_segctor_scan_file(sci, nilfs->ns_dat, in nilfs_segctor_collect_blocks()
1238 nilfs_sc_cstage_set(sci, NILFS_ST_DONE); in nilfs_segctor_collect_blocks()
1241 nilfs_sc_cstage_inc(sci); in nilfs_segctor_collect_blocks()
1246 err = nilfs_segctor_add_super_root(sci); in nilfs_segctor_collect_blocks()
1251 sci->sc_curseg->sb_sum.flags |= NILFS_SS_LOGEND; in nilfs_segctor_collect_blocks()
1252 nilfs_sc_cstage_set(sci, NILFS_ST_DONE); in nilfs_segctor_collect_blocks()
1256 sci->sc_curseg->sb_sum.flags |= NILFS_SS_SYNDT; in nilfs_segctor_collect_blocks()
1257 ii = sci->sc_dsync_inode; in nilfs_segctor_collect_blocks()
1261 err = nilfs_segctor_scan_file_dsync(sci, &ii->vfs_inode); in nilfs_segctor_collect_blocks()
1264 sci->sc_curseg->sb_sum.flags |= NILFS_SS_LOGEND; in nilfs_segctor_collect_blocks()
1265 nilfs_sc_cstage_set(sci, NILFS_ST_DONE); in nilfs_segctor_collect_blocks()
1279 * @sci: nilfs_sc_info
1282 static int nilfs_segctor_begin_construction(struct nilfs_sc_info *sci, in nilfs_segctor_begin_construction() argument
1289 segbuf = nilfs_segbuf_new(sci->sc_super); in nilfs_segctor_begin_construction()
1293 if (list_empty(&sci->sc_write_logs)) { in nilfs_segctor_begin_construction()
1309 prev = NILFS_LAST_SEGBUF(&sci->sc_write_logs); in nilfs_segctor_begin_construction()
1332 BUG_ON(!list_empty(&sci->sc_segbufs)); in nilfs_segctor_begin_construction()
1333 list_add_tail(&segbuf->sb_list, &sci->sc_segbufs); in nilfs_segctor_begin_construction()
1334 sci->sc_segbuf_nblocks = segbuf->sb_rest_blocks; in nilfs_segctor_begin_construction()
1342 static int nilfs_segctor_extend_segments(struct nilfs_sc_info *sci, in nilfs_segctor_extend_segments() argument
1351 prev = NILFS_LAST_SEGBUF(&sci->sc_segbufs); in nilfs_segctor_extend_segments()
1365 segbuf = nilfs_segbuf_new(sci->sc_super); in nilfs_segctor_extend_segments()
1371 sci->sc_segbuf_nblocks += segbuf->sb_rest_blocks; in nilfs_segctor_extend_segments()
1384 list_splice_tail(&list, &sci->sc_segbufs); in nilfs_segctor_extend_segments()
1437 static void nilfs_segctor_update_segusage(struct nilfs_sc_info *sci, in nilfs_segctor_update_segusage() argument
1444 list_for_each_entry(segbuf, &sci->sc_segbufs, sb_list) { in nilfs_segctor_update_segusage()
1449 sci->sc_seg_ctime); in nilfs_segctor_update_segusage()
1472 static void nilfs_segctor_truncate_segments(struct nilfs_sc_info *sci, in nilfs_segctor_truncate_segments() argument
1479 list_for_each_entry_continue(segbuf, &sci->sc_segbufs, sb_list) { in nilfs_segctor_truncate_segments()
1480 sci->sc_segbuf_nblocks -= segbuf->sb_rest_blocks; in nilfs_segctor_truncate_segments()
1484 nilfs_truncate_logs(&sci->sc_segbufs, last); in nilfs_segctor_truncate_segments()
1488 static int nilfs_segctor_collect(struct nilfs_sc_info *sci, in nilfs_segctor_collect() argument
1491 struct nilfs_cstage prev_stage = sci->sc_stage; in nilfs_segctor_collect()
1496 sci->sc_nblk_this_inc = 0; in nilfs_segctor_collect()
1497 sci->sc_curseg = NILFS_FIRST_SEGBUF(&sci->sc_segbufs); in nilfs_segctor_collect()
1499 err = nilfs_segctor_reset_segment_buffer(sci); in nilfs_segctor_collect()
1503 err = nilfs_segctor_collect_blocks(sci, mode); in nilfs_segctor_collect()
1504 sci->sc_nblk_this_inc += sci->sc_curseg->sb_sum.nblocks; in nilfs_segctor_collect()
1513 nilfs_sc_cstage_get(sci) < NILFS_ST_CPFILE) in nilfs_segctor_collect()
1516 nilfs_clear_logs(&sci->sc_segbufs); in nilfs_segctor_collect()
1518 if (sci->sc_stage.flags & NILFS_CF_SUFREED) { in nilfs_segctor_collect()
1520 sci->sc_freesegs, in nilfs_segctor_collect()
1521 sci->sc_nfreesegs, in nilfs_segctor_collect()
1524 sci->sc_stage.flags &= ~NILFS_CF_SUFREED; in nilfs_segctor_collect()
1527 err = nilfs_segctor_extend_segments(sci, nilfs, nadd); in nilfs_segctor_collect()
1532 sci->sc_stage = prev_stage; in nilfs_segctor_collect()
1534 nilfs_segctor_truncate_segments(sci, sci->sc_curseg, nilfs->ns_sufile); in nilfs_segctor_collect()
1551 nilfs_segctor_update_payload_blocknr(struct nilfs_sc_info *sci, in nilfs_segctor_update_payload_blocknr() argument
1579 sci, &ssp, sizeof(*finfo)); in nilfs_segctor_update_payload_blocknr()
1604 sc_op->write_data_binfo(sci, &ssp, &binfo); in nilfs_segctor_update_payload_blocknr()
1606 sc_op->write_node_binfo(sci, &ssp, &binfo); in nilfs_segctor_update_payload_blocknr()
1623 static int nilfs_segctor_assign(struct nilfs_sc_info *sci, int mode) in nilfs_segctor_assign() argument
1628 list_for_each_entry(segbuf, &sci->sc_segbufs, sb_list) { in nilfs_segctor_assign()
1629 err = nilfs_segctor_update_payload_blocknr(sci, segbuf, mode); in nilfs_segctor_assign()
1652 static void nilfs_segctor_prepare_write(struct nilfs_sc_info *sci) in nilfs_segctor_prepare_write() argument
1657 list_for_each_entry(segbuf, &sci->sc_segbufs, sb_list) { in nilfs_segctor_prepare_write()
1701 static int nilfs_segctor_write(struct nilfs_sc_info *sci, in nilfs_segctor_write() argument
1706 ret = nilfs_write_logs(&sci->sc_segbufs, nilfs); in nilfs_segctor_write()
1707 list_splice_tail_init(&sci->sc_segbufs, &sci->sc_write_logs); in nilfs_segctor_write()
1790 static void nilfs_segctor_abort_construction(struct nilfs_sc_info *sci, in nilfs_segctor_abort_construction() argument
1796 list_splice_tail_init(&sci->sc_write_logs, &logs); in nilfs_segctor_abort_construction()
1800 list_splice_tail_init(&sci->sc_segbufs, &logs); in nilfs_segctor_abort_construction()
1804 if (sci->sc_stage.flags & NILFS_CF_SUFREED) { in nilfs_segctor_abort_construction()
1806 sci->sc_freesegs, in nilfs_segctor_abort_construction()
1807 sci->sc_nfreesegs, in nilfs_segctor_abort_construction()
1826 static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci) in nilfs_segctor_complete_write() argument
1830 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_complete_write()
1833 list_for_each_entry(segbuf, &sci->sc_write_logs, sb_list) { in nilfs_segctor_complete_write()
1882 set_bit(NILFS_SC_UNCLOSED, &sci->sc_flags); in nilfs_segctor_complete_write()
1883 sci->sc_lseg_stime = jiffies; in nilfs_segctor_complete_write()
1886 clear_bit(NILFS_SC_UNCLOSED, &sci->sc_flags); in nilfs_segctor_complete_write()
1898 nilfs_drop_collected_inodes(&sci->sc_dirty_files); in nilfs_segctor_complete_write()
1901 nilfs_drop_collected_inodes(&sci->sc_gc_inodes); in nilfs_segctor_complete_write()
1903 nilfs->ns_nongc_ctime = sci->sc_seg_ctime; in nilfs_segctor_complete_write()
1905 sci->sc_nblk_inc += sci->sc_nblk_this_inc; in nilfs_segctor_complete_write()
1907 segbuf = NILFS_LAST_SEGBUF(&sci->sc_write_logs); in nilfs_segctor_complete_write()
1915 clear_bit(NILFS_SC_HAVE_DELTA, &sci->sc_flags); in nilfs_segctor_complete_write()
1916 clear_bit(NILFS_SC_DIRTY, &sci->sc_flags); in nilfs_segctor_complete_write()
1917 set_bit(NILFS_SC_SUPER_ROOT, &sci->sc_flags); in nilfs_segctor_complete_write()
1918 nilfs_segctor_clear_metadata_dirty(sci); in nilfs_segctor_complete_write()
1920 clear_bit(NILFS_SC_SUPER_ROOT, &sci->sc_flags); in nilfs_segctor_complete_write()
1923 static int nilfs_segctor_wait(struct nilfs_sc_info *sci) in nilfs_segctor_wait() argument
1927 ret = nilfs_wait_on_logs(&sci->sc_write_logs); in nilfs_segctor_wait()
1929 nilfs_segctor_complete_write(sci); in nilfs_segctor_wait()
1930 nilfs_destroy_logs(&sci->sc_write_logs); in nilfs_segctor_wait()
1935 static int nilfs_segctor_collect_dirty_files(struct nilfs_sc_info *sci, in nilfs_segctor_collect_dirty_files() argument
1939 struct inode *ifile = sci->sc_root->ifile; in nilfs_segctor_collect_dirty_files()
1952 nilfs_warn(sci->sc_super, in nilfs_segctor_collect_dirty_files()
1971 list_move_tail(&ii->i_dirty, &sci->sc_dirty_files); in nilfs_segctor_collect_dirty_files()
1978 static void nilfs_segctor_drop_written_files(struct nilfs_sc_info *sci, in nilfs_segctor_drop_written_files() argument
1982 int during_mount = !(sci->sc_super->s_flags & SB_ACTIVE); in nilfs_segctor_drop_written_files()
1986 list_for_each_entry_safe(ii, n, &sci->sc_dirty_files, i_dirty) { in nilfs_segctor_drop_written_files()
2000 list_add_tail(&ii->i_dirty, &sci->sc_iput_queue); in nilfs_segctor_drop_written_files()
2011 schedule_work(&sci->sc_iput_work); in nilfs_segctor_drop_written_files()
2017 static int nilfs_segctor_do_construct(struct nilfs_sc_info *sci, int mode) in nilfs_segctor_do_construct() argument
2019 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_do_construct()
2022 nilfs_sc_cstage_set(sci, NILFS_ST_INIT); in nilfs_segctor_do_construct()
2023 sci->sc_cno = nilfs->ns_cno; in nilfs_segctor_do_construct()
2025 err = nilfs_segctor_collect_dirty_files(sci, nilfs); in nilfs_segctor_do_construct()
2029 if (nilfs_test_metadata_dirty(nilfs, sci->sc_root)) in nilfs_segctor_do_construct()
2030 set_bit(NILFS_SC_DIRTY, &sci->sc_flags); in nilfs_segctor_do_construct()
2032 if (nilfs_segctor_clean(sci)) in nilfs_segctor_do_construct()
2036 sci->sc_stage.flags &= ~NILFS_CF_HISTORY_MASK; in nilfs_segctor_do_construct()
2038 err = nilfs_segctor_begin_construction(sci, nilfs); in nilfs_segctor_do_construct()
2043 sci->sc_seg_ctime = ktime_get_real_seconds(); in nilfs_segctor_do_construct()
2045 err = nilfs_segctor_collect(sci, nilfs, mode); in nilfs_segctor_do_construct()
2050 if (nilfs_sc_cstage_get(sci) == NILFS_ST_DONE && in nilfs_segctor_do_construct()
2051 nilfs_segbuf_empty(sci->sc_curseg)) { in nilfs_segctor_do_construct()
2052 nilfs_segctor_abort_construction(sci, nilfs, 1); in nilfs_segctor_do_construct()
2056 err = nilfs_segctor_assign(sci, mode); in nilfs_segctor_do_construct()
2060 if (sci->sc_stage.flags & NILFS_CF_IFILE_STARTED) in nilfs_segctor_do_construct()
2061 nilfs_segctor_fill_in_file_bmap(sci); in nilfs_segctor_do_construct()
2064 nilfs_sc_cstage_get(sci) >= NILFS_ST_CPFILE) { in nilfs_segctor_do_construct()
2065 err = nilfs_segctor_fill_in_checkpoint(sci); in nilfs_segctor_do_construct()
2069 nilfs_segctor_fill_in_super_root(sci, nilfs); in nilfs_segctor_do_construct()
2071 nilfs_segctor_update_segusage(sci, nilfs->ns_sufile); in nilfs_segctor_do_construct()
2074 nilfs_segctor_prepare_write(sci); in nilfs_segctor_do_construct()
2076 nilfs_add_checksums_on_logs(&sci->sc_segbufs, in nilfs_segctor_do_construct()
2079 err = nilfs_segctor_write(sci, nilfs); in nilfs_segctor_do_construct()
2083 if (nilfs_sc_cstage_get(sci) == NILFS_ST_DONE || in nilfs_segctor_do_construct()
2092 err = nilfs_segctor_wait(sci); in nilfs_segctor_do_construct()
2096 } while (nilfs_sc_cstage_get(sci) != NILFS_ST_DONE); in nilfs_segctor_do_construct()
2099 nilfs_segctor_drop_written_files(sci, nilfs); in nilfs_segctor_do_construct()
2103 if (sci->sc_stage.flags & NILFS_CF_IFILE_STARTED) in nilfs_segctor_do_construct()
2104 nilfs_redirty_inodes(&sci->sc_dirty_files); in nilfs_segctor_do_construct()
2108 nilfs_redirty_inodes(&sci->sc_gc_inodes); in nilfs_segctor_do_construct()
2109 nilfs_segctor_abort_construction(sci, nilfs, err); in nilfs_segctor_do_construct()
2115 * @sci: nilfs_sc_info
2121 static void nilfs_segctor_start_timer(struct nilfs_sc_info *sci) in nilfs_segctor_start_timer() argument
2123 spin_lock(&sci->sc_state_lock); in nilfs_segctor_start_timer()
2124 if (!(sci->sc_state & NILFS_SEGCTOR_COMMIT)) { in nilfs_segctor_start_timer()
2125 sci->sc_timer.expires = jiffies + sci->sc_interval; in nilfs_segctor_start_timer()
2126 add_timer(&sci->sc_timer); in nilfs_segctor_start_timer()
2127 sci->sc_state |= NILFS_SEGCTOR_COMMIT; in nilfs_segctor_start_timer()
2129 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_start_timer()
2132 static void nilfs_segctor_do_flush(struct nilfs_sc_info *sci, int bn) in nilfs_segctor_do_flush() argument
2134 spin_lock(&sci->sc_state_lock); in nilfs_segctor_do_flush()
2135 if (!(sci->sc_flush_request & BIT(bn))) { in nilfs_segctor_do_flush()
2136 unsigned long prev_req = sci->sc_flush_request; in nilfs_segctor_do_flush()
2138 sci->sc_flush_request |= BIT(bn); in nilfs_segctor_do_flush()
2140 wake_up(&sci->sc_wait_daemon); in nilfs_segctor_do_flush()
2142 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_do_flush()
2153 struct nilfs_sc_info *sci = nilfs->ns_writer; in nilfs_flush_segment() local
2155 if (!sci || nilfs_doing_construction()) in nilfs_flush_segment()
2157 nilfs_segctor_do_flush(sci, NILFS_MDT_INODE(sb, ino) ? ino : 0); in nilfs_flush_segment()
2168 static int nilfs_segctor_sync(struct nilfs_sc_info *sci) in nilfs_segctor_sync() argument
2173 spin_lock(&sci->sc_state_lock); in nilfs_segctor_sync()
2177 wait_req.seq = ++sci->sc_seq_request; in nilfs_segctor_sync()
2178 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_sync()
2181 add_wait_queue(&sci->sc_wait_request, &wait_req.wq); in nilfs_segctor_sync()
2183 wake_up(&sci->sc_wait_daemon); in nilfs_segctor_sync()
2197 finish_wait(&sci->sc_wait_request, &wait_req.wq); in nilfs_segctor_sync()
2201 static void nilfs_segctor_wakeup(struct nilfs_sc_info *sci, int err) in nilfs_segctor_wakeup() argument
2206 spin_lock_irqsave(&sci->sc_wait_request.lock, flags); in nilfs_segctor_wakeup()
2207 list_for_each_entry_safe(wrq, n, &sci->sc_wait_request.head, wq.entry) { in nilfs_segctor_wakeup()
2209 nilfs_cnt32_ge(sci->sc_seq_done, wrq->seq)) { in nilfs_segctor_wakeup()
2219 spin_unlock_irqrestore(&sci->sc_wait_request.lock, flags); in nilfs_segctor_wakeup()
2242 struct nilfs_sc_info *sci = nilfs->ns_writer; in nilfs_construct_segment() local
2245 if (sb_rdonly(sb) || unlikely(!sci)) in nilfs_construct_segment()
2251 return nilfs_segctor_sync(sci); in nilfs_construct_segment()
2278 struct nilfs_sc_info *sci = nilfs->ns_writer; in nilfs_construct_dsync_segment() local
2283 if (sb_rdonly(sb) || unlikely(!sci)) in nilfs_construct_dsync_segment()
2291 test_bit(NILFS_SC_UNCLOSED, &sci->sc_flags) || in nilfs_construct_dsync_segment()
2294 err = nilfs_segctor_sync(sci); in nilfs_construct_dsync_segment()
2306 sci->sc_dsync_inode = ii; in nilfs_construct_dsync_segment()
2307 sci->sc_dsync_start = start; in nilfs_construct_dsync_segment()
2308 sci->sc_dsync_end = end; in nilfs_construct_dsync_segment()
2310 err = nilfs_segctor_do_construct(sci, SC_LSEG_DSYNC); in nilfs_construct_dsync_segment()
2323 * @sci: segment constructor object
2325 static void nilfs_segctor_accept(struct nilfs_sc_info *sci) in nilfs_segctor_accept() argument
2327 spin_lock(&sci->sc_state_lock); in nilfs_segctor_accept()
2328 sci->sc_seq_accepted = sci->sc_seq_request; in nilfs_segctor_accept()
2329 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_accept()
2330 del_timer_sync(&sci->sc_timer); in nilfs_segctor_accept()
2335 * @sci: segment constructor object
2339 static void nilfs_segctor_notify(struct nilfs_sc_info *sci, int mode, int err) in nilfs_segctor_notify() argument
2342 spin_lock(&sci->sc_state_lock); in nilfs_segctor_notify()
2345 sci->sc_state &= ~NILFS_SEGCTOR_COMMIT; in nilfs_segctor_notify()
2346 sci->sc_seq_done = sci->sc_seq_accepted; in nilfs_segctor_notify()
2347 nilfs_segctor_wakeup(sci, err); in nilfs_segctor_notify()
2348 sci->sc_flush_request = 0; in nilfs_segctor_notify()
2351 sci->sc_flush_request &= ~FLUSH_FILE_BIT; in nilfs_segctor_notify()
2353 sci->sc_flush_request &= ~FLUSH_DAT_BIT; in nilfs_segctor_notify()
2356 if ((sci->sc_state & NILFS_SEGCTOR_COMMIT) && in nilfs_segctor_notify()
2357 time_before(jiffies, sci->sc_timer.expires)) in nilfs_segctor_notify()
2358 add_timer(&sci->sc_timer); in nilfs_segctor_notify()
2360 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_notify()
2365 * @sci: segment constructor object
2368 static int nilfs_segctor_construct(struct nilfs_sc_info *sci, int mode) in nilfs_segctor_construct() argument
2370 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_construct()
2374 nilfs_segctor_accept(sci); in nilfs_segctor_construct()
2378 if (!nilfs_segctor_confirm(sci)) in nilfs_segctor_construct()
2379 err = nilfs_segctor_do_construct(sci, mode); in nilfs_segctor_construct()
2384 if (test_bit(NILFS_SC_SUPER_ROOT, &sci->sc_flags) && in nilfs_segctor_construct()
2388 sbp = nilfs_prepare_super(sci->sc_super, in nilfs_segctor_construct()
2392 err = nilfs_commit_super(sci->sc_super, in nilfs_segctor_construct()
2399 nilfs_segctor_notify(sci, mode, err); in nilfs_segctor_construct()
2405 struct nilfs_sc_info *sci = from_timer(sci, t, sc_timer); in nilfs_construction_timeout() local
2407 wake_up_process(sci->sc_timer_task); in nilfs_construction_timeout()
2429 struct nilfs_sc_info *sci = nilfs->ns_writer; in nilfs_clean_segments() local
2433 if (unlikely(!sci)) in nilfs_clean_segments()
2448 sci->sc_freesegs = kbufs[4]; in nilfs_clean_segments()
2449 sci->sc_nfreesegs = argv[4].v_nmembs; in nilfs_clean_segments()
2450 list_splice_tail_init(&nilfs->ns_gc_inodes, &sci->sc_gc_inodes); in nilfs_clean_segments()
2453 err = nilfs_segctor_construct(sci, SC_LSEG_SR); in nilfs_clean_segments()
2454 nilfs_remove_written_gcinodes(nilfs, &sci->sc_gc_inodes); in nilfs_clean_segments()
2461 schedule_timeout(sci->sc_interval); in nilfs_clean_segments()
2464 int ret = nilfs_discard_segments(nilfs, sci->sc_freesegs, in nilfs_clean_segments()
2465 sci->sc_nfreesegs); in nilfs_clean_segments()
2475 sci->sc_freesegs = NULL; in nilfs_clean_segments()
2476 sci->sc_nfreesegs = 0; in nilfs_clean_segments()
2482 static void nilfs_segctor_thread_construct(struct nilfs_sc_info *sci, int mode) in nilfs_segctor_thread_construct() argument
2486 nilfs_transaction_lock(sci->sc_super, &ti, 0); in nilfs_segctor_thread_construct()
2487 nilfs_segctor_construct(sci, mode); in nilfs_segctor_thread_construct()
2494 if (test_bit(NILFS_SC_UNCLOSED, &sci->sc_flags)) in nilfs_segctor_thread_construct()
2495 nilfs_segctor_start_timer(sci); in nilfs_segctor_thread_construct()
2497 nilfs_transaction_unlock(sci->sc_super); in nilfs_segctor_thread_construct()
2500 static void nilfs_segctor_do_immediate_flush(struct nilfs_sc_info *sci) in nilfs_segctor_do_immediate_flush() argument
2504 spin_lock(&sci->sc_state_lock); in nilfs_segctor_do_immediate_flush()
2505 mode = (sci->sc_flush_request & FLUSH_DAT_BIT) ? in nilfs_segctor_do_immediate_flush()
2507 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_do_immediate_flush()
2510 nilfs_segctor_do_construct(sci, mode); in nilfs_segctor_do_immediate_flush()
2512 spin_lock(&sci->sc_state_lock); in nilfs_segctor_do_immediate_flush()
2513 sci->sc_flush_request &= (mode == SC_FLUSH_FILE) ? in nilfs_segctor_do_immediate_flush()
2515 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_do_immediate_flush()
2517 clear_bit(NILFS_SC_PRIOR_FLUSH, &sci->sc_flags); in nilfs_segctor_do_immediate_flush()
2520 static int nilfs_segctor_flush_mode(struct nilfs_sc_info *sci) in nilfs_segctor_flush_mode() argument
2522 if (!test_bit(NILFS_SC_UNCLOSED, &sci->sc_flags) || in nilfs_segctor_flush_mode()
2523 time_before(jiffies, sci->sc_lseg_stime + sci->sc_mjcp_freq)) { in nilfs_segctor_flush_mode()
2524 if (!(sci->sc_flush_request & ~FLUSH_FILE_BIT)) in nilfs_segctor_flush_mode()
2526 else if (!(sci->sc_flush_request & ~FLUSH_DAT_BIT)) in nilfs_segctor_flush_mode()
2541 struct nilfs_sc_info *sci = (struct nilfs_sc_info *)arg; in nilfs_segctor_thread() local
2542 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_thread()
2545 sci->sc_timer_task = current; in nilfs_segctor_thread()
2548 sci->sc_task = current; in nilfs_segctor_thread()
2549 wake_up(&sci->sc_wait_task); /* for nilfs_segctor_start_thread() */ in nilfs_segctor_thread()
2550 nilfs_info(sci->sc_super, in nilfs_segctor_thread()
2552 sci->sc_interval / HZ, sci->sc_mjcp_freq / HZ); in nilfs_segctor_thread()
2554 spin_lock(&sci->sc_state_lock); in nilfs_segctor_thread()
2559 if (sci->sc_state & NILFS_SEGCTOR_QUIT) in nilfs_segctor_thread()
2562 if (timeout || sci->sc_seq_request != sci->sc_seq_done) in nilfs_segctor_thread()
2564 else if (sci->sc_flush_request) in nilfs_segctor_thread()
2565 mode = nilfs_segctor_flush_mode(sci); in nilfs_segctor_thread()
2569 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_thread()
2570 nilfs_segctor_thread_construct(sci, mode); in nilfs_segctor_thread()
2571 spin_lock(&sci->sc_state_lock); in nilfs_segctor_thread()
2577 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_thread()
2579 spin_lock(&sci->sc_state_lock); in nilfs_segctor_thread()
2584 prepare_to_wait(&sci->sc_wait_daemon, &wait, in nilfs_segctor_thread()
2587 if (sci->sc_seq_request != sci->sc_seq_done) in nilfs_segctor_thread()
2589 else if (sci->sc_flush_request) in nilfs_segctor_thread()
2591 else if (sci->sc_state & NILFS_SEGCTOR_COMMIT) in nilfs_segctor_thread()
2593 sci->sc_timer.expires); in nilfs_segctor_thread()
2596 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_thread()
2598 spin_lock(&sci->sc_state_lock); in nilfs_segctor_thread()
2600 finish_wait(&sci->sc_wait_daemon, &wait); in nilfs_segctor_thread()
2601 timeout = ((sci->sc_state & NILFS_SEGCTOR_COMMIT) && in nilfs_segctor_thread()
2602 time_after_eq(jiffies, sci->sc_timer.expires)); in nilfs_segctor_thread()
2610 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_thread()
2613 sci->sc_task = NULL; in nilfs_segctor_thread()
2614 wake_up(&sci->sc_wait_task); /* for nilfs_segctor_kill_thread() */ in nilfs_segctor_thread()
2618 static int nilfs_segctor_start_thread(struct nilfs_sc_info *sci) in nilfs_segctor_start_thread() argument
2622 t = kthread_run(nilfs_segctor_thread, sci, "segctord"); in nilfs_segctor_start_thread()
2626 nilfs_err(sci->sc_super, "error %d creating segctord thread", in nilfs_segctor_start_thread()
2630 wait_event(sci->sc_wait_task, sci->sc_task != NULL); in nilfs_segctor_start_thread()
2634 static void nilfs_segctor_kill_thread(struct nilfs_sc_info *sci) in nilfs_segctor_kill_thread() argument
2635 __acquires(&sci->sc_state_lock) in nilfs_segctor_kill_thread()
2636 __releases(&sci->sc_state_lock) in nilfs_segctor_kill_thread()
2638 sci->sc_state |= NILFS_SEGCTOR_QUIT; in nilfs_segctor_kill_thread()
2640 while (sci->sc_task) { in nilfs_segctor_kill_thread()
2641 wake_up(&sci->sc_wait_daemon); in nilfs_segctor_kill_thread()
2642 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_kill_thread()
2643 wait_event(sci->sc_wait_task, sci->sc_task == NULL); in nilfs_segctor_kill_thread()
2644 spin_lock(&sci->sc_state_lock); in nilfs_segctor_kill_thread()
2655 struct nilfs_sc_info *sci; in nilfs_segctor_new() local
2657 sci = kzalloc(sizeof(*sci), GFP_KERNEL); in nilfs_segctor_new()
2658 if (!sci) in nilfs_segctor_new()
2661 sci->sc_super = sb; in nilfs_segctor_new()
2664 sci->sc_root = root; in nilfs_segctor_new()
2666 init_waitqueue_head(&sci->sc_wait_request); in nilfs_segctor_new()
2667 init_waitqueue_head(&sci->sc_wait_daemon); in nilfs_segctor_new()
2668 init_waitqueue_head(&sci->sc_wait_task); in nilfs_segctor_new()
2669 spin_lock_init(&sci->sc_state_lock); in nilfs_segctor_new()
2670 INIT_LIST_HEAD(&sci->sc_dirty_files); in nilfs_segctor_new()
2671 INIT_LIST_HEAD(&sci->sc_segbufs); in nilfs_segctor_new()
2672 INIT_LIST_HEAD(&sci->sc_write_logs); in nilfs_segctor_new()
2673 INIT_LIST_HEAD(&sci->sc_gc_inodes); in nilfs_segctor_new()
2674 INIT_LIST_HEAD(&sci->sc_iput_queue); in nilfs_segctor_new()
2675 INIT_WORK(&sci->sc_iput_work, nilfs_iput_work_func); in nilfs_segctor_new()
2676 timer_setup(&sci->sc_timer, nilfs_construction_timeout, 0); in nilfs_segctor_new()
2678 sci->sc_interval = HZ * NILFS_SC_DEFAULT_TIMEOUT; in nilfs_segctor_new()
2679 sci->sc_mjcp_freq = HZ * NILFS_SC_DEFAULT_SR_FREQ; in nilfs_segctor_new()
2680 sci->sc_watermark = NILFS_SC_DEFAULT_WATERMARK; in nilfs_segctor_new()
2683 sci->sc_interval = HZ * nilfs->ns_interval; in nilfs_segctor_new()
2685 sci->sc_watermark = nilfs->ns_watermark; in nilfs_segctor_new()
2686 return sci; in nilfs_segctor_new()
2689 static void nilfs_segctor_write_out(struct nilfs_sc_info *sci) in nilfs_segctor_write_out() argument
2700 nilfs_transaction_lock(sci->sc_super, &ti, 0); in nilfs_segctor_write_out()
2701 ret = nilfs_segctor_construct(sci, SC_LSEG_SR); in nilfs_segctor_write_out()
2702 nilfs_transaction_unlock(sci->sc_super); in nilfs_segctor_write_out()
2704 flush_work(&sci->sc_iput_work); in nilfs_segctor_write_out()
2711 * @sci: nilfs_sc_info
2717 static void nilfs_segctor_destroy(struct nilfs_sc_info *sci) in nilfs_segctor_destroy() argument
2719 struct the_nilfs *nilfs = sci->sc_super->s_fs_info; in nilfs_segctor_destroy()
2724 spin_lock(&sci->sc_state_lock); in nilfs_segctor_destroy()
2725 nilfs_segctor_kill_thread(sci); in nilfs_segctor_destroy()
2726 flag = ((sci->sc_state & NILFS_SEGCTOR_COMMIT) || sci->sc_flush_request in nilfs_segctor_destroy()
2727 || sci->sc_seq_request != sci->sc_seq_done); in nilfs_segctor_destroy()
2728 spin_unlock(&sci->sc_state_lock); in nilfs_segctor_destroy()
2730 if (flush_work(&sci->sc_iput_work)) in nilfs_segctor_destroy()
2733 if (flag || !nilfs_segctor_confirm(sci)) in nilfs_segctor_destroy()
2734 nilfs_segctor_write_out(sci); in nilfs_segctor_destroy()
2736 if (!list_empty(&sci->sc_dirty_files)) { in nilfs_segctor_destroy()
2737 nilfs_warn(sci->sc_super, in nilfs_segctor_destroy()
2739 nilfs_dispose_list(nilfs, &sci->sc_dirty_files, 1); in nilfs_segctor_destroy()
2742 if (!list_empty(&sci->sc_iput_queue)) { in nilfs_segctor_destroy()
2743 nilfs_warn(sci->sc_super, in nilfs_segctor_destroy()
2745 nilfs_dispose_list(nilfs, &sci->sc_iput_queue, 1); in nilfs_segctor_destroy()
2748 WARN_ON(!list_empty(&sci->sc_segbufs)); in nilfs_segctor_destroy()
2749 WARN_ON(!list_empty(&sci->sc_write_logs)); in nilfs_segctor_destroy()
2751 nilfs_put_root(sci->sc_root); in nilfs_segctor_destroy()
2755 del_timer_sync(&sci->sc_timer); in nilfs_segctor_destroy()
2756 kfree(sci); in nilfs_segctor_destroy()