Lines Matching refs:lseg
62 static bool pnfs_lseg_dec_and_remove_zero(struct pnfs_layout_segment *lseg,
345 struct pnfs_layout_segment *lseg; in pnfs_clear_layoutreturn_info() local
349 list_for_each_entry(lseg, &lo->plh_segs, pls_list) { in pnfs_clear_layoutreturn_info()
350 if (!test_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags)) in pnfs_clear_layoutreturn_info()
352 pnfs_set_plh_return_info(lo, lseg->pls_range.iomode, 0); in pnfs_clear_layoutreturn_info()
366 pnfs_clear_lseg_state(struct pnfs_layout_segment *lseg, in pnfs_clear_lseg_state() argument
369 clear_bit(NFS_LSEG_ROC, &lseg->pls_flags); in pnfs_clear_lseg_state()
370 clear_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags); in pnfs_clear_lseg_state()
371 if (test_and_clear_bit(NFS_LSEG_VALID, &lseg->pls_flags)) in pnfs_clear_lseg_state()
372 pnfs_lseg_dec_and_remove_zero(lseg, free_me); in pnfs_clear_lseg_state()
373 if (test_and_clear_bit(NFS_LSEG_LAYOUTCOMMIT, &lseg->pls_flags)) in pnfs_clear_lseg_state()
374 pnfs_lseg_dec_and_remove_zero(lseg, free_me); in pnfs_clear_lseg_state()
435 struct pnfs_layout_segment *lseg, *next; in pnfs_mark_layout_stateid_invalid() local
438 list_for_each_entry_safe(lseg, next, &lo->plh_segs, pls_list) in pnfs_mark_layout_stateid_invalid()
439 pnfs_clear_lseg_state(lseg, lseg_list); in pnfs_mark_layout_stateid_invalid()
509 pnfs_init_lseg(struct pnfs_layout_hdr *lo, struct pnfs_layout_segment *lseg, in pnfs_init_lseg() argument
513 INIT_LIST_HEAD(&lseg->pls_list); in pnfs_init_lseg()
514 INIT_LIST_HEAD(&lseg->pls_lc_list); in pnfs_init_lseg()
515 refcount_set(&lseg->pls_refcount, 1); in pnfs_init_lseg()
516 set_bit(NFS_LSEG_VALID, &lseg->pls_flags); in pnfs_init_lseg()
517 lseg->pls_layout = lo; in pnfs_init_lseg()
518 lseg->pls_range = *range; in pnfs_init_lseg()
519 lseg->pls_seq = be32_to_cpu(stateid->seqid); in pnfs_init_lseg()
522 static void pnfs_free_lseg(struct pnfs_layout_segment *lseg) in pnfs_free_lseg() argument
524 if (lseg != NULL) { in pnfs_free_lseg()
525 struct inode *inode = lseg->pls_layout->plh_inode; in pnfs_free_lseg()
526 NFS_SERVER(inode)->pnfs_curr_ld->free_lseg(lseg); in pnfs_free_lseg()
532 struct pnfs_layout_segment *lseg) in pnfs_layout_remove_lseg() argument
534 WARN_ON(test_bit(NFS_LSEG_VALID, &lseg->pls_flags)); in pnfs_layout_remove_lseg()
535 list_del_init(&lseg->pls_list); in pnfs_layout_remove_lseg()
538 if (test_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags)) in pnfs_layout_remove_lseg()
551 struct pnfs_layout_segment *lseg) in pnfs_cache_lseg_for_layoutreturn() argument
553 if (test_and_clear_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags) && in pnfs_cache_lseg_for_layoutreturn()
555 pnfs_set_plh_return_info(lo, lseg->pls_range.iomode, 0); in pnfs_cache_lseg_for_layoutreturn()
556 list_move_tail(&lseg->pls_list, &lo->plh_return_segs); in pnfs_cache_lseg_for_layoutreturn()
563 pnfs_put_lseg(struct pnfs_layout_segment *lseg) in pnfs_put_lseg() argument
568 if (!lseg) in pnfs_put_lseg()
571 dprintk("%s: lseg %p ref %d valid %d\n", __func__, lseg, in pnfs_put_lseg()
572 refcount_read(&lseg->pls_refcount), in pnfs_put_lseg()
573 test_bit(NFS_LSEG_VALID, &lseg->pls_flags)); in pnfs_put_lseg()
575 lo = lseg->pls_layout; in pnfs_put_lseg()
578 if (refcount_dec_and_lock(&lseg->pls_refcount, &inode->i_lock)) { in pnfs_put_lseg()
579 if (test_bit(NFS_LSEG_VALID, &lseg->pls_flags)) { in pnfs_put_lseg()
584 pnfs_layout_remove_lseg(lo, lseg); in pnfs_put_lseg()
585 if (pnfs_cache_lseg_for_layoutreturn(lo, lseg)) in pnfs_put_lseg()
586 lseg = NULL; in pnfs_put_lseg()
588 pnfs_free_lseg(lseg); in pnfs_put_lseg()
613 static bool pnfs_lseg_dec_and_remove_zero(struct pnfs_layout_segment *lseg, in pnfs_lseg_dec_and_remove_zero() argument
616 if (!refcount_dec_and_test(&lseg->pls_refcount)) in pnfs_lseg_dec_and_remove_zero()
618 pnfs_layout_remove_lseg(lseg->pls_layout, lseg); in pnfs_lseg_dec_and_remove_zero()
619 list_add(&lseg->pls_list, tmp_list); in pnfs_lseg_dec_and_remove_zero()
624 static int mark_lseg_invalid(struct pnfs_layout_segment *lseg, in mark_lseg_invalid() argument
629 if (test_and_clear_bit(NFS_LSEG_VALID, &lseg->pls_flags)) { in mark_lseg_invalid()
634 dprintk("%s: lseg %p ref %d\n", __func__, lseg, in mark_lseg_invalid()
635 refcount_read(&lseg->pls_refcount)); in mark_lseg_invalid()
636 if (pnfs_lseg_dec_and_remove_zero(lseg, tmp_list)) in mark_lseg_invalid()
661 pnfs_match_lseg_recall(const struct pnfs_layout_segment *lseg, in pnfs_match_lseg_recall() argument
665 if (seq != 0 && pnfs_seqid_is_newer(lseg->pls_seq, seq)) in pnfs_match_lseg_recall()
669 return pnfs_should_free_range(&lseg->pls_range, recall_range); in pnfs_match_lseg_recall()
693 struct pnfs_layout_segment *lseg, *next; in pnfs_mark_matching_lsegs_invalid() local
700 list_for_each_entry_safe(lseg, next, &lo->plh_segs, pls_list) in pnfs_mark_matching_lsegs_invalid()
701 if (pnfs_match_lseg_recall(lseg, recall_range, seq)) { in pnfs_mark_matching_lsegs_invalid()
704 lseg, lseg->pls_range.iomode, lseg->pls_seq, in pnfs_mark_matching_lsegs_invalid()
705 lseg->pls_range.offset, lseg->pls_range.length); in pnfs_mark_matching_lsegs_invalid()
706 if (!mark_lseg_invalid(lseg, tmp_list)) in pnfs_mark_matching_lsegs_invalid()
719 struct pnfs_layout_segment *lseg, *next; in pnfs_free_returned_lsegs() local
721 list_for_each_entry_safe(lseg, next, &lo->plh_return_segs, pls_list) { in pnfs_free_returned_lsegs()
722 if (pnfs_match_lseg_recall(lseg, range, seq)) in pnfs_free_returned_lsegs()
723 list_move_tail(&lseg->pls_list, free_me); in pnfs_free_returned_lsegs()
731 struct pnfs_layout_segment *lseg, *tmp; in pnfs_free_lseg_list() local
736 list_for_each_entry_safe(lseg, tmp, free_me, pls_list) { in pnfs_free_lseg_list()
737 list_del(&lseg->pls_list); in pnfs_free_lseg_list()
738 pnfs_free_lseg(lseg); in pnfs_free_lseg_list()
1124 struct pnfs_layout_segment *lseg, *tmp; in pnfs_clear_layoutcommit() local
1128 list_for_each_entry_safe(lseg, tmp, &nfsi->layout->plh_segs, pls_list) { in pnfs_clear_layoutcommit()
1129 if (!test_and_clear_bit(NFS_LSEG_LAYOUTCOMMIT, &lseg->pls_flags)) in pnfs_clear_layoutcommit()
1131 pnfs_lseg_dec_and_remove_zero(lseg, head); in pnfs_clear_layoutcommit()
1391 struct pnfs_layout_segment *lseg, *next; in pnfs_roc() local
1437 list_for_each_entry_safe(lseg, next, &lo->plh_segs, pls_list) { in pnfs_roc()
1438 if (skip_read && lseg->pls_range.iomode == IOMODE_READ) in pnfs_roc()
1441 if (!test_and_clear_bit(NFS_LSEG_ROC, &lseg->pls_flags)) in pnfs_roc()
1447 set_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags); in pnfs_roc()
1448 if (!mark_lseg_invalid(lseg, &lo->plh_return_segs)) in pnfs_roc()
1450 pnfs_set_plh_return_info(lo, lseg->pls_range.iomode, 0); in pnfs_roc()
1616 pnfs_lseg_no_merge(struct pnfs_layout_segment *lseg, in pnfs_lseg_no_merge() argument
1624 struct pnfs_layout_segment *lseg, in pnfs_generic_layout_insert_lseg() argument
1638 if (do_merge(lseg, lp)) { in pnfs_generic_layout_insert_lseg()
1642 if (is_after(&lseg->pls_range, &lp->pls_range)) in pnfs_generic_layout_insert_lseg()
1644 list_add_tail(&lseg->pls_list, &lp->pls_list); in pnfs_generic_layout_insert_lseg()
1648 __func__, lseg, lseg->pls_range.iomode, in pnfs_generic_layout_insert_lseg()
1649 lseg->pls_range.offset, lseg->pls_range.length, in pnfs_generic_layout_insert_lseg()
1654 list_add_tail(&lseg->pls_list, &lo->plh_segs); in pnfs_generic_layout_insert_lseg()
1657 __func__, lseg, lseg->pls_range.iomode, in pnfs_generic_layout_insert_lseg()
1658 lseg->pls_range.offset, lseg->pls_range.length); in pnfs_generic_layout_insert_lseg()
1668 struct pnfs_layout_segment *lseg, in pnfs_layout_insert_lseg() argument
1675 ld->add_lseg(lo, lseg, free_me); in pnfs_layout_insert_lseg()
1677 pnfs_generic_layout_insert_lseg(lo, lseg, in pnfs_layout_insert_lseg()
1773 struct pnfs_layout_segment *lseg, *ret = NULL; in pnfs_find_lseg() local
1777 list_for_each_entry(lseg, &lo->plh_segs, pls_list) { in pnfs_find_lseg()
1778 if (test_bit(NFS_LSEG_VALID, &lseg->pls_flags) && in pnfs_find_lseg()
1779 pnfs_lseg_range_match(&lseg->pls_range, range, in pnfs_find_lseg()
1781 ret = pnfs_get_lseg(lseg); in pnfs_find_lseg()
1936 struct pnfs_layout_segment *lseg = NULL; in pnfs_update_layout() local
1944 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
1950 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
1956 lseg = ERR_PTR(nfs4_client_recover_expired_lease(clp)); in pnfs_update_layout()
1957 if (IS_ERR(lseg)) in pnfs_update_layout()
1964 lseg = ERR_PTR(-ENOMEM); in pnfs_update_layout()
1965 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
1972 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
1980 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
1992 lseg = ERR_PTR(wait_var_event_killable(&lo->plh_outstanding, in pnfs_update_layout()
1994 if (IS_ERR(lseg)) in pnfs_update_layout()
2007 lseg = ERR_PTR(pnfs_prepare_to_retry_layoutget(lo)); in pnfs_update_layout()
2008 if (!IS_ERR(lseg)) { in pnfs_update_layout()
2012 lseg, in pnfs_update_layout()
2016 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2021 lseg = pnfs_find_lseg(lo, &arg, strict_iomode); in pnfs_update_layout()
2022 if (lseg) { in pnfs_update_layout()
2023 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2043 lseg = ERR_PTR(wait_on_bit(&lo->plh_flags, in pnfs_update_layout()
2046 if (IS_ERR(lseg)) in pnfs_update_layout()
2058 lseg = ERR_PTR(status); in pnfs_update_layout()
2060 iomode, lo, lseg, in pnfs_update_layout()
2075 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2094 lseg = ERR_PTR(-ENOMEM); in pnfs_update_layout()
2101 lseg = nfs4_proc_layoutget(lgp, &timeout); in pnfs_update_layout()
2102 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2105 if (IS_ERR(lseg)) { in pnfs_update_layout()
2106 switch(PTR_ERR(lseg)) { in pnfs_update_layout()
2109 lseg = NULL; in pnfs_update_layout()
2118 lseg = NULL; in pnfs_update_layout()
2121 if (!nfs_error_is_fatal(PTR_ERR(lseg))) { in pnfs_update_layout()
2123 lseg = NULL; in pnfs_update_layout()
2127 if (lseg) { in pnfs_update_layout()
2131 iomode, lo, lseg, PNFS_UPDATE_LAYOUT_RETRY); in pnfs_update_layout()
2142 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2150 IS_ERR_OR_NULL(lseg) ? "not found" : "found", in pnfs_update_layout()
2154 return lseg; in pnfs_update_layout()
2286 struct pnfs_layout_segment *lseg; in pnfs_parse_lgopen() local
2323 lseg = pnfs_layout_process(lgp); in pnfs_parse_lgopen()
2324 if (!IS_ERR(lseg)) { in pnfs_parse_lgopen()
2327 pnfs_put_lseg(lseg); in pnfs_parse_lgopen()
2349 struct pnfs_layout_segment *lseg; in pnfs_layout_process() local
2357 lseg = NFS_SERVER(ino)->pnfs_curr_ld->alloc_lseg(lo, res, lgp->gfp_flags); in pnfs_layout_process()
2358 if (IS_ERR_OR_NULL(lseg)) { in pnfs_layout_process()
2359 if (!lseg) in pnfs_layout_process()
2360 lseg = ERR_PTR(-ENOMEM); in pnfs_layout_process()
2363 __func__, PTR_ERR(lseg)); in pnfs_layout_process()
2364 return lseg; in pnfs_layout_process()
2367 pnfs_init_lseg(lo, lseg, &res->range, &res->stateid); in pnfs_layout_process()
2400 pnfs_get_lseg(lseg); in pnfs_layout_process()
2401 pnfs_layout_insert_lseg(lo, lseg, &free_me); in pnfs_layout_process()
2405 set_bit(NFS_LSEG_ROC, &lseg->pls_flags); in pnfs_layout_process()
2409 return lseg; in pnfs_layout_process()
2413 lseg->pls_layout = lo; in pnfs_layout_process()
2414 NFS_SERVER(ino)->pnfs_curr_ld->free_lseg(lseg); in pnfs_layout_process()
2441 struct pnfs_layout_segment *lseg, *next; in pnfs_mark_matching_lsegs_return() local
2451 list_for_each_entry_safe(lseg, next, &lo->plh_segs, pls_list) in pnfs_mark_matching_lsegs_return()
2452 if (pnfs_match_lseg_recall(lseg, return_range, seq)) { in pnfs_mark_matching_lsegs_return()
2455 lseg, lseg->pls_range.iomode, in pnfs_mark_matching_lsegs_return()
2456 lseg->pls_range.offset, in pnfs_mark_matching_lsegs_return()
2457 lseg->pls_range.length); in pnfs_mark_matching_lsegs_return()
2458 if (test_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags)) in pnfs_mark_matching_lsegs_return()
2460 if (mark_lseg_invalid(lseg, tmp_list)) in pnfs_mark_matching_lsegs_return()
2463 set_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags); in pnfs_mark_matching_lsegs_return()
2480 struct pnfs_layout_segment *lseg) in pnfs_error_mark_layout_for_return() argument
2484 .iomode = lseg->pls_range.iomode, in pnfs_error_mark_layout_for_return()
2685 pnfs_set_layoutcommit(hdr->inode, hdr->lseg, in pnfs_ld_write_done()
2713 struct pnfs_layout_segment *lseg, in pnfs_try_to_write_data() argument
2736 struct pnfs_layout_segment *lseg = desc->pg_lseg; in pnfs_do_write() local
2739 trypnfs = pnfs_try_to_write_data(hdr, call_ops, lseg, how); in pnfs_do_write()
2758 pnfs_put_lseg(hdr->lseg); in pnfs_writehdr_free()
2775 hdr->lseg = pnfs_get_lseg(desc->pg_lseg); in pnfs_generic_pg_writepages()
2839 struct pnfs_layout_segment *lseg) in pnfs_try_to_read_data() argument
2864 pnfs_put_lseg(hdr->lseg); in pnfs_read_resend_pnfs()
2865 hdr->lseg = NULL; in pnfs_read_resend_pnfs()
2878 struct pnfs_layout_segment *lseg = desc->pg_lseg; in pnfs_do_read() local
2881 trypnfs = pnfs_try_to_read_data(hdr, call_ops, lseg); in pnfs_do_read()
2900 pnfs_put_lseg(hdr->lseg); in pnfs_readhdr_free()
2916 hdr->lseg = pnfs_get_lseg(desc->pg_lseg); in pnfs_generic_pg_readpages()
2938 struct pnfs_layout_segment *lseg; in pnfs_list_write_lseg() local
2940 list_for_each_entry(lseg, &NFS_I(inode)->layout->plh_segs, pls_list) { in pnfs_list_write_lseg()
2941 if (lseg->pls_range.iomode == IOMODE_RW && in pnfs_list_write_lseg()
2942 test_and_clear_bit(NFS_LSEG_LAYOUTCOMMIT, &lseg->pls_flags)) in pnfs_list_write_lseg()
2943 list_add(&lseg->pls_lc_list, listp); in pnfs_list_write_lseg()
2949 struct pnfs_layout_segment *lseg, *tmp; in pnfs_list_write_lseg_done() local
2952 list_for_each_entry_safe(lseg, tmp, listp, pls_lc_list) { in pnfs_list_write_lseg_done()
2953 list_del_init(&lseg->pls_lc_list); in pnfs_list_write_lseg_done()
2954 pnfs_put_lseg(lseg); in pnfs_list_write_lseg_done()
2960 void pnfs_set_lo_fail(struct pnfs_layout_segment *lseg) in pnfs_set_lo_fail() argument
2962 pnfs_layout_io_set_failed(lseg->pls_layout, lseg->pls_range.iomode); in pnfs_set_lo_fail()
2967 pnfs_set_layoutcommit(struct inode *inode, struct pnfs_layout_segment *lseg, in pnfs_set_layoutcommit() argument
2981 if (!test_and_set_bit(NFS_LSEG_LAYOUTCOMMIT, &lseg->pls_flags)) { in pnfs_set_layoutcommit()
2983 pnfs_get_lseg(lseg); in pnfs_set_layoutcommit()
2987 __func__, lseg, nfsi->layout->plh_lwb); in pnfs_set_layoutcommit()