Lines Matching refs:lseg
62 static bool pnfs_lseg_dec_and_remove_zero(struct pnfs_layout_segment *lseg,
364 struct pnfs_layout_segment *lseg; in pnfs_clear_layoutreturn_info() local
368 list_for_each_entry(lseg, &lo->plh_segs, pls_list) { in pnfs_clear_layoutreturn_info()
369 if (!test_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags)) in pnfs_clear_layoutreturn_info()
371 pnfs_set_plh_return_info(lo, lseg->pls_range.iomode, 0); in pnfs_clear_layoutreturn_info()
385 pnfs_clear_lseg_state(struct pnfs_layout_segment *lseg, in pnfs_clear_lseg_state() argument
388 clear_bit(NFS_LSEG_ROC, &lseg->pls_flags); in pnfs_clear_lseg_state()
389 clear_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags); in pnfs_clear_lseg_state()
390 if (test_and_clear_bit(NFS_LSEG_VALID, &lseg->pls_flags)) in pnfs_clear_lseg_state()
391 pnfs_lseg_dec_and_remove_zero(lseg, free_me); in pnfs_clear_lseg_state()
392 if (test_and_clear_bit(NFS_LSEG_LAYOUTCOMMIT, &lseg->pls_flags)) in pnfs_clear_lseg_state()
393 pnfs_lseg_dec_and_remove_zero(lseg, free_me); in pnfs_clear_lseg_state()
454 struct pnfs_layout_segment *lseg, *next; in pnfs_mark_layout_stateid_invalid() local
457 list_for_each_entry_safe(lseg, next, &lo->plh_segs, pls_list) in pnfs_mark_layout_stateid_invalid()
458 pnfs_clear_lseg_state(lseg, lseg_list); in pnfs_mark_layout_stateid_invalid()
528 pnfs_init_lseg(struct pnfs_layout_hdr *lo, struct pnfs_layout_segment *lseg, in pnfs_init_lseg() argument
532 INIT_LIST_HEAD(&lseg->pls_list); in pnfs_init_lseg()
533 INIT_LIST_HEAD(&lseg->pls_lc_list); in pnfs_init_lseg()
534 INIT_LIST_HEAD(&lseg->pls_commits); in pnfs_init_lseg()
535 refcount_set(&lseg->pls_refcount, 1); in pnfs_init_lseg()
536 set_bit(NFS_LSEG_VALID, &lseg->pls_flags); in pnfs_init_lseg()
537 lseg->pls_layout = lo; in pnfs_init_lseg()
538 lseg->pls_range = *range; in pnfs_init_lseg()
539 lseg->pls_seq = be32_to_cpu(stateid->seqid); in pnfs_init_lseg()
542 static void pnfs_free_lseg(struct pnfs_layout_segment *lseg) in pnfs_free_lseg() argument
544 if (lseg != NULL) { in pnfs_free_lseg()
545 struct inode *inode = lseg->pls_layout->plh_inode; in pnfs_free_lseg()
546 NFS_SERVER(inode)->pnfs_curr_ld->free_lseg(lseg); in pnfs_free_lseg()
552 struct pnfs_layout_segment *lseg) in pnfs_layout_remove_lseg() argument
554 WARN_ON(test_bit(NFS_LSEG_VALID, &lseg->pls_flags)); in pnfs_layout_remove_lseg()
555 list_del_init(&lseg->pls_list); in pnfs_layout_remove_lseg()
558 if (test_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags)) in pnfs_layout_remove_lseg()
571 struct pnfs_layout_segment *lseg) in pnfs_cache_lseg_for_layoutreturn() argument
573 if (test_and_clear_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags) && in pnfs_cache_lseg_for_layoutreturn()
575 pnfs_set_plh_return_info(lo, lseg->pls_range.iomode, 0); in pnfs_cache_lseg_for_layoutreturn()
576 list_move_tail(&lseg->pls_list, &lo->plh_return_segs); in pnfs_cache_lseg_for_layoutreturn()
583 pnfs_put_lseg(struct pnfs_layout_segment *lseg) in pnfs_put_lseg() argument
588 if (!lseg) in pnfs_put_lseg()
591 dprintk("%s: lseg %p ref %d valid %d\n", __func__, lseg, in pnfs_put_lseg()
592 refcount_read(&lseg->pls_refcount), in pnfs_put_lseg()
593 test_bit(NFS_LSEG_VALID, &lseg->pls_flags)); in pnfs_put_lseg()
595 lo = lseg->pls_layout; in pnfs_put_lseg()
598 if (refcount_dec_and_lock(&lseg->pls_refcount, &inode->i_lock)) { in pnfs_put_lseg()
600 pnfs_layout_remove_lseg(lo, lseg); in pnfs_put_lseg()
601 if (pnfs_cache_lseg_for_layoutreturn(lo, lseg)) in pnfs_put_lseg()
602 lseg = NULL; in pnfs_put_lseg()
604 pnfs_free_lseg(lseg); in pnfs_put_lseg()
629 static bool pnfs_lseg_dec_and_remove_zero(struct pnfs_layout_segment *lseg, in pnfs_lseg_dec_and_remove_zero() argument
632 if (!refcount_dec_and_test(&lseg->pls_refcount)) in pnfs_lseg_dec_and_remove_zero()
634 pnfs_layout_remove_lseg(lseg->pls_layout, lseg); in pnfs_lseg_dec_and_remove_zero()
635 list_add(&lseg->pls_list, tmp_list); in pnfs_lseg_dec_and_remove_zero()
640 static int mark_lseg_invalid(struct pnfs_layout_segment *lseg, in mark_lseg_invalid() argument
645 if (test_and_clear_bit(NFS_LSEG_VALID, &lseg->pls_flags)) { in mark_lseg_invalid()
650 dprintk("%s: lseg %p ref %d\n", __func__, lseg, in mark_lseg_invalid()
651 refcount_read(&lseg->pls_refcount)); in mark_lseg_invalid()
652 if (pnfs_lseg_dec_and_remove_zero(lseg, tmp_list)) in mark_lseg_invalid()
668 pnfs_match_lseg_recall(const struct pnfs_layout_segment *lseg, in pnfs_match_lseg_recall() argument
672 if (seq != 0 && pnfs_seqid_is_newer(lseg->pls_seq, seq)) in pnfs_match_lseg_recall()
676 return pnfs_should_free_range(&lseg->pls_range, recall_range); in pnfs_match_lseg_recall()
700 struct pnfs_layout_segment *lseg, *next; in pnfs_mark_matching_lsegs_invalid() local
707 list_for_each_entry_safe(lseg, next, &lo->plh_segs, pls_list) in pnfs_mark_matching_lsegs_invalid()
708 if (pnfs_match_lseg_recall(lseg, recall_range, seq)) { in pnfs_mark_matching_lsegs_invalid()
711 lseg, lseg->pls_range.iomode, lseg->pls_seq, in pnfs_mark_matching_lsegs_invalid()
712 lseg->pls_range.offset, lseg->pls_range.length); in pnfs_mark_matching_lsegs_invalid()
713 if (!mark_lseg_invalid(lseg, tmp_list)) in pnfs_mark_matching_lsegs_invalid()
726 struct pnfs_layout_segment *lseg, *next; in pnfs_free_returned_lsegs() local
728 list_for_each_entry_safe(lseg, next, &lo->plh_return_segs, pls_list) { in pnfs_free_returned_lsegs()
729 if (pnfs_match_lseg_recall(lseg, range, seq)) in pnfs_free_returned_lsegs()
730 list_move_tail(&lseg->pls_list, free_me); in pnfs_free_returned_lsegs()
738 struct pnfs_layout_segment *lseg, *tmp; in pnfs_free_lseg_list() local
743 list_for_each_entry_safe(lseg, tmp, free_me, pls_list) { in pnfs_free_lseg_list()
744 list_del(&lseg->pls_list); in pnfs_free_lseg_list()
745 pnfs_free_lseg(lseg); in pnfs_free_lseg_list()
1140 struct pnfs_layout_segment *lseg, *tmp; in pnfs_clear_layoutcommit() local
1144 list_for_each_entry_safe(lseg, tmp, &nfsi->layout->plh_segs, pls_list) { in pnfs_clear_layoutcommit()
1145 if (!test_and_clear_bit(NFS_LSEG_LAYOUTCOMMIT, &lseg->pls_flags)) in pnfs_clear_layoutcommit()
1147 pnfs_lseg_dec_and_remove_zero(lseg, head); in pnfs_clear_layoutcommit()
1414 struct pnfs_layout_segment *lseg, *next; in pnfs_roc() local
1461 list_for_each_entry_safe(lseg, next, &lo->plh_segs, pls_list) { in pnfs_roc()
1462 if (skip_read && lseg->pls_range.iomode == IOMODE_READ) in pnfs_roc()
1465 if (!test_and_clear_bit(NFS_LSEG_ROC, &lseg->pls_flags)) in pnfs_roc()
1471 set_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags); in pnfs_roc()
1472 if (!mark_lseg_invalid(lseg, &lo->plh_return_segs)) in pnfs_roc()
1474 pnfs_set_plh_return_info(lo, lseg->pls_range.iomode, 0); in pnfs_roc()
1640 pnfs_lseg_no_merge(struct pnfs_layout_segment *lseg, in pnfs_lseg_no_merge() argument
1648 struct pnfs_layout_segment *lseg, in pnfs_generic_layout_insert_lseg() argument
1662 if (do_merge(lseg, lp)) { in pnfs_generic_layout_insert_lseg()
1666 if (is_after(&lseg->pls_range, &lp->pls_range)) in pnfs_generic_layout_insert_lseg()
1668 list_add_tail(&lseg->pls_list, &lp->pls_list); in pnfs_generic_layout_insert_lseg()
1672 __func__, lseg, lseg->pls_range.iomode, in pnfs_generic_layout_insert_lseg()
1673 lseg->pls_range.offset, lseg->pls_range.length, in pnfs_generic_layout_insert_lseg()
1678 list_add_tail(&lseg->pls_list, &lo->plh_segs); in pnfs_generic_layout_insert_lseg()
1681 __func__, lseg, lseg->pls_range.iomode, in pnfs_generic_layout_insert_lseg()
1682 lseg->pls_range.offset, lseg->pls_range.length); in pnfs_generic_layout_insert_lseg()
1692 struct pnfs_layout_segment *lseg, in pnfs_layout_insert_lseg() argument
1699 ld->add_lseg(lo, lseg, free_me); in pnfs_layout_insert_lseg()
1701 pnfs_generic_layout_insert_lseg(lo, lseg, in pnfs_layout_insert_lseg()
1797 struct pnfs_layout_segment *lseg, *ret = NULL; in pnfs_find_lseg() local
1801 list_for_each_entry(lseg, &lo->plh_segs, pls_list) { in pnfs_find_lseg()
1802 if (test_bit(NFS_LSEG_VALID, &lseg->pls_flags) && in pnfs_find_lseg()
1803 pnfs_lseg_range_match(&lseg->pls_range, range, in pnfs_find_lseg()
1805 ret = pnfs_get_lseg(lseg); in pnfs_find_lseg()
1964 struct pnfs_layout_segment *lseg = NULL; in pnfs_update_layout() local
1972 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
1978 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
1984 lseg = ERR_PTR(nfs4_client_recover_expired_lease(clp)); in pnfs_update_layout()
1985 if (IS_ERR(lseg)) in pnfs_update_layout()
1992 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
1999 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2007 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2019 lseg = ERR_PTR(wait_var_event_killable(&lo->plh_outstanding, in pnfs_update_layout()
2021 if (IS_ERR(lseg)) in pnfs_update_layout()
2034 lseg = ERR_PTR(pnfs_prepare_to_retry_layoutget(lo)); in pnfs_update_layout()
2035 if (!IS_ERR(lseg)) { in pnfs_update_layout()
2039 lseg, in pnfs_update_layout()
2043 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2048 lseg = pnfs_find_lseg(lo, &arg, strict_iomode); in pnfs_update_layout()
2049 if (lseg) { in pnfs_update_layout()
2050 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2070 lseg = ERR_PTR(wait_on_bit(&lo->plh_flags, in pnfs_update_layout()
2073 if (IS_ERR(lseg)) in pnfs_update_layout()
2086 lseg = ERR_PTR(status); in pnfs_update_layout()
2088 iomode, lo, lseg, in pnfs_update_layout()
2101 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2129 lseg = nfs4_proc_layoutget(lgp, &timeout); in pnfs_update_layout()
2130 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2133 if (IS_ERR(lseg)) { in pnfs_update_layout()
2134 switch(PTR_ERR(lseg)) { in pnfs_update_layout()
2137 lseg = NULL; in pnfs_update_layout()
2143 if (!nfs_error_is_fatal(PTR_ERR(lseg))) { in pnfs_update_layout()
2145 lseg = NULL; in pnfs_update_layout()
2149 if (lseg) { in pnfs_update_layout()
2153 iomode, lo, lseg, PNFS_UPDATE_LAYOUT_RETRY); in pnfs_update_layout()
2164 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2172 IS_ERR_OR_NULL(lseg) ? "not found" : "found", in pnfs_update_layout()
2176 return lseg; in pnfs_update_layout()
2310 struct pnfs_layout_segment *lseg; in pnfs_parse_lgopen() local
2347 lseg = pnfs_layout_process(lgp); in pnfs_parse_lgopen()
2348 if (!IS_ERR(lseg)) { in pnfs_parse_lgopen()
2351 pnfs_put_lseg(lseg); in pnfs_parse_lgopen()
2371 struct pnfs_layout_segment *lseg; in pnfs_layout_process() local
2379 lseg = NFS_SERVER(ino)->pnfs_curr_ld->alloc_lseg(lo, res, lgp->gfp_flags); in pnfs_layout_process()
2380 if (IS_ERR_OR_NULL(lseg)) { in pnfs_layout_process()
2381 if (!lseg) in pnfs_layout_process()
2382 lseg = ERR_PTR(-ENOMEM); in pnfs_layout_process()
2385 __func__, PTR_ERR(lseg)); in pnfs_layout_process()
2386 return lseg; in pnfs_layout_process()
2389 pnfs_init_lseg(lo, lseg, &res->range, &res->stateid); in pnfs_layout_process()
2425 pnfs_get_lseg(lseg); in pnfs_layout_process()
2426 pnfs_layout_insert_lseg(lo, lseg, &free_me); in pnfs_layout_process()
2430 set_bit(NFS_LSEG_ROC, &lseg->pls_flags); in pnfs_layout_process()
2434 return lseg; in pnfs_layout_process()
2438 lseg->pls_layout = lo; in pnfs_layout_process()
2439 NFS_SERVER(ino)->pnfs_curr_ld->free_lseg(lseg); in pnfs_layout_process()
2465 struct pnfs_layout_segment *lseg, *next; in pnfs_mark_matching_lsegs_return() local
2475 list_for_each_entry_safe(lseg, next, &lo->plh_segs, pls_list) in pnfs_mark_matching_lsegs_return()
2476 if (pnfs_match_lseg_recall(lseg, return_range, seq)) { in pnfs_mark_matching_lsegs_return()
2479 lseg, lseg->pls_range.iomode, in pnfs_mark_matching_lsegs_return()
2480 lseg->pls_range.offset, in pnfs_mark_matching_lsegs_return()
2481 lseg->pls_range.length); in pnfs_mark_matching_lsegs_return()
2482 if (test_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags)) in pnfs_mark_matching_lsegs_return()
2484 if (mark_lseg_invalid(lseg, tmp_list)) in pnfs_mark_matching_lsegs_return()
2487 set_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags); in pnfs_mark_matching_lsegs_return()
2538 struct pnfs_layout_segment *lseg) in pnfs_error_mark_layout_for_return() argument
2541 .iomode = lseg->pls_range.iomode, in pnfs_error_mark_layout_for_return()
2563 struct pnfs_layout_segment *lseg; in pnfs_find_first_lseg() local
2565 list_for_each_entry(lseg, &lo->plh_segs, pls_list) { in pnfs_find_first_lseg()
2566 if (!test_bit(NFS_LSEG_VALID, &lseg->pls_flags)) in pnfs_find_first_lseg()
2568 if (test_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags)) in pnfs_find_first_lseg()
2570 if (lseg->pls_range.iomode != iomode && iomode != IOMODE_ANY) in pnfs_find_first_lseg()
2572 if (pnfs_lseg_range_intersecting(&lseg->pls_range, range)) in pnfs_find_first_lseg()
2573 return lseg; in pnfs_find_first_lseg()
2826 pnfs_set_layoutcommit(hdr->inode, hdr->lseg, in pnfs_ld_write_done()
2854 struct pnfs_layout_segment *lseg, in pnfs_try_to_write_data() argument
2877 struct pnfs_layout_segment *lseg = desc->pg_lseg; in pnfs_do_write() local
2880 trypnfs = pnfs_try_to_write_data(hdr, call_ops, lseg, how); in pnfs_do_write()
2900 pnfs_put_lseg(hdr->lseg); in pnfs_writehdr_free()
2917 hdr->lseg = pnfs_get_lseg(desc->pg_lseg); in pnfs_generic_pg_writepages()
2981 struct pnfs_layout_segment *lseg) in pnfs_try_to_read_data() argument
3007 pnfs_put_lseg(hdr->lseg); in pnfs_read_resend_pnfs()
3008 hdr->lseg = NULL; in pnfs_read_resend_pnfs()
3022 struct pnfs_layout_segment *lseg = desc->pg_lseg; in pnfs_do_read() local
3025 trypnfs = pnfs_try_to_read_data(hdr, call_ops, lseg); in pnfs_do_read()
3045 pnfs_put_lseg(hdr->lseg); in pnfs_readhdr_free()
3061 hdr->lseg = pnfs_get_lseg(desc->pg_lseg); in pnfs_generic_pg_readpages()
3083 struct pnfs_layout_segment *lseg; in pnfs_list_write_lseg() local
3085 list_for_each_entry(lseg, &NFS_I(inode)->layout->plh_segs, pls_list) { in pnfs_list_write_lseg()
3086 if (lseg->pls_range.iomode == IOMODE_RW && in pnfs_list_write_lseg()
3087 test_and_clear_bit(NFS_LSEG_LAYOUTCOMMIT, &lseg->pls_flags)) in pnfs_list_write_lseg()
3088 list_add(&lseg->pls_lc_list, listp); in pnfs_list_write_lseg()
3094 struct pnfs_layout_segment *lseg, *tmp; in pnfs_list_write_lseg_done() local
3097 list_for_each_entry_safe(lseg, tmp, listp, pls_lc_list) { in pnfs_list_write_lseg_done()
3098 list_del_init(&lseg->pls_lc_list); in pnfs_list_write_lseg_done()
3099 pnfs_put_lseg(lseg); in pnfs_list_write_lseg_done()
3105 void pnfs_set_lo_fail(struct pnfs_layout_segment *lseg) in pnfs_set_lo_fail() argument
3107 pnfs_layout_io_set_failed(lseg->pls_layout, lseg->pls_range.iomode); in pnfs_set_lo_fail()
3112 pnfs_set_layoutcommit(struct inode *inode, struct pnfs_layout_segment *lseg, in pnfs_set_layoutcommit() argument
3126 if (!test_and_set_bit(NFS_LSEG_LAYOUTCOMMIT, &lseg->pls_flags)) { in pnfs_set_layoutcommit()
3128 pnfs_get_lseg(lseg); in pnfs_set_layoutcommit()
3132 __func__, lseg, nfsi->layout->plh_lwb); in pnfs_set_layoutcommit()