Lines Matching refs:lseg
62 static bool pnfs_lseg_dec_and_remove_zero(struct pnfs_layout_segment *lseg,
375 struct pnfs_layout_segment *lseg; in pnfs_clear_layoutreturn_info() local
379 list_for_each_entry(lseg, &lo->plh_segs, pls_list) { in pnfs_clear_layoutreturn_info()
380 if (!test_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags)) in pnfs_clear_layoutreturn_info()
382 pnfs_set_plh_return_info(lo, lseg->pls_range.iomode, 0); in pnfs_clear_layoutreturn_info()
396 pnfs_clear_lseg_state(struct pnfs_layout_segment *lseg, in pnfs_clear_lseg_state() argument
399 clear_bit(NFS_LSEG_ROC, &lseg->pls_flags); in pnfs_clear_lseg_state()
400 clear_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags); in pnfs_clear_lseg_state()
401 if (test_and_clear_bit(NFS_LSEG_VALID, &lseg->pls_flags)) in pnfs_clear_lseg_state()
402 pnfs_lseg_dec_and_remove_zero(lseg, free_me); in pnfs_clear_lseg_state()
403 if (test_and_clear_bit(NFS_LSEG_LAYOUTCOMMIT, &lseg->pls_flags)) in pnfs_clear_lseg_state()
404 pnfs_lseg_dec_and_remove_zero(lseg, free_me); in pnfs_clear_lseg_state()
465 struct pnfs_layout_segment *lseg, *next; in pnfs_mark_layout_stateid_invalid() local
468 list_for_each_entry_safe(lseg, next, &lo->plh_segs, pls_list) in pnfs_mark_layout_stateid_invalid()
469 pnfs_clear_lseg_state(lseg, lseg_list); in pnfs_mark_layout_stateid_invalid()
540 pnfs_init_lseg(struct pnfs_layout_hdr *lo, struct pnfs_layout_segment *lseg, in pnfs_init_lseg() argument
544 INIT_LIST_HEAD(&lseg->pls_list); in pnfs_init_lseg()
545 INIT_LIST_HEAD(&lseg->pls_lc_list); in pnfs_init_lseg()
546 INIT_LIST_HEAD(&lseg->pls_commits); in pnfs_init_lseg()
547 refcount_set(&lseg->pls_refcount, 1); in pnfs_init_lseg()
548 set_bit(NFS_LSEG_VALID, &lseg->pls_flags); in pnfs_init_lseg()
549 lseg->pls_layout = lo; in pnfs_init_lseg()
550 lseg->pls_range = *range; in pnfs_init_lseg()
551 lseg->pls_seq = be32_to_cpu(stateid->seqid); in pnfs_init_lseg()
554 static void pnfs_free_lseg(struct pnfs_layout_segment *lseg) in pnfs_free_lseg() argument
556 if (lseg != NULL) { in pnfs_free_lseg()
557 struct inode *inode = lseg->pls_layout->plh_inode; in pnfs_free_lseg()
558 NFS_SERVER(inode)->pnfs_curr_ld->free_lseg(lseg); in pnfs_free_lseg()
564 struct pnfs_layout_segment *lseg) in pnfs_layout_remove_lseg() argument
566 WARN_ON(test_bit(NFS_LSEG_VALID, &lseg->pls_flags)); in pnfs_layout_remove_lseg()
567 list_del_init(&lseg->pls_list); in pnfs_layout_remove_lseg()
570 if (test_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags)) in pnfs_layout_remove_lseg()
583 struct pnfs_layout_segment *lseg) in pnfs_cache_lseg_for_layoutreturn() argument
585 if (test_and_clear_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags) && in pnfs_cache_lseg_for_layoutreturn()
587 pnfs_set_plh_return_info(lo, lseg->pls_range.iomode, 0); in pnfs_cache_lseg_for_layoutreturn()
588 list_move_tail(&lseg->pls_list, &lo->plh_return_segs); in pnfs_cache_lseg_for_layoutreturn()
595 pnfs_put_lseg(struct pnfs_layout_segment *lseg) in pnfs_put_lseg() argument
600 if (!lseg) in pnfs_put_lseg()
603 dprintk("%s: lseg %p ref %d valid %d\n", __func__, lseg, in pnfs_put_lseg()
604 refcount_read(&lseg->pls_refcount), in pnfs_put_lseg()
605 test_bit(NFS_LSEG_VALID, &lseg->pls_flags)); in pnfs_put_lseg()
607 lo = lseg->pls_layout; in pnfs_put_lseg()
610 if (refcount_dec_and_lock(&lseg->pls_refcount, &inode->i_lock)) { in pnfs_put_lseg()
612 pnfs_layout_remove_lseg(lo, lseg); in pnfs_put_lseg()
613 if (pnfs_cache_lseg_for_layoutreturn(lo, lseg)) in pnfs_put_lseg()
614 lseg = NULL; in pnfs_put_lseg()
616 pnfs_free_lseg(lseg); in pnfs_put_lseg()
641 static bool pnfs_lseg_dec_and_remove_zero(struct pnfs_layout_segment *lseg, in pnfs_lseg_dec_and_remove_zero() argument
644 if (!refcount_dec_and_test(&lseg->pls_refcount)) in pnfs_lseg_dec_and_remove_zero()
646 pnfs_layout_remove_lseg(lseg->pls_layout, lseg); in pnfs_lseg_dec_and_remove_zero()
647 list_add(&lseg->pls_list, tmp_list); in pnfs_lseg_dec_and_remove_zero()
652 static int mark_lseg_invalid(struct pnfs_layout_segment *lseg, in mark_lseg_invalid() argument
657 if (test_and_clear_bit(NFS_LSEG_VALID, &lseg->pls_flags)) { in mark_lseg_invalid()
662 dprintk("%s: lseg %p ref %d\n", __func__, lseg, in mark_lseg_invalid()
663 refcount_read(&lseg->pls_refcount)); in mark_lseg_invalid()
664 if (pnfs_lseg_dec_and_remove_zero(lseg, tmp_list)) in mark_lseg_invalid()
680 pnfs_match_lseg_recall(const struct pnfs_layout_segment *lseg, in pnfs_match_lseg_recall() argument
684 if (seq != 0 && pnfs_seqid_is_newer(lseg->pls_seq, seq)) in pnfs_match_lseg_recall()
688 return pnfs_should_free_range(&lseg->pls_range, recall_range); in pnfs_match_lseg_recall()
712 struct pnfs_layout_segment *lseg, *next; in pnfs_mark_matching_lsegs_invalid() local
720 list_for_each_entry_safe(lseg, next, &lo->plh_segs, pls_list) in pnfs_mark_matching_lsegs_invalid()
721 if (pnfs_match_lseg_recall(lseg, recall_range, seq)) { in pnfs_mark_matching_lsegs_invalid()
724 lseg, lseg->pls_range.iomode, lseg->pls_seq, in pnfs_mark_matching_lsegs_invalid()
725 lseg->pls_range.offset, lseg->pls_range.length); in pnfs_mark_matching_lsegs_invalid()
726 if (mark_lseg_invalid(lseg, tmp_list)) in pnfs_mark_matching_lsegs_invalid()
729 pnfs_lseg_cancel_io(server, lseg); in pnfs_mark_matching_lsegs_invalid()
741 struct pnfs_layout_segment *lseg, *next; in pnfs_free_returned_lsegs() local
743 list_for_each_entry_safe(lseg, next, &lo->plh_return_segs, pls_list) { in pnfs_free_returned_lsegs()
744 if (pnfs_match_lseg_recall(lseg, range, seq)) in pnfs_free_returned_lsegs()
745 list_move_tail(&lseg->pls_list, free_me); in pnfs_free_returned_lsegs()
753 struct pnfs_layout_segment *lseg, *tmp; in pnfs_free_lseg_list() local
758 list_for_each_entry_safe(lseg, tmp, free_me, pls_list) { in pnfs_free_lseg_list()
759 list_del(&lseg->pls_list); in pnfs_free_lseg_list()
760 pnfs_free_lseg(lseg); in pnfs_free_lseg_list()
1155 struct pnfs_layout_segment *lseg, *tmp; in pnfs_clear_layoutcommit() local
1159 list_for_each_entry_safe(lseg, tmp, &nfsi->layout->plh_segs, pls_list) { in pnfs_clear_layoutcommit()
1160 if (!test_and_clear_bit(NFS_LSEG_LAYOUTCOMMIT, &lseg->pls_flags)) in pnfs_clear_layoutcommit()
1162 pnfs_lseg_dec_and_remove_zero(lseg, head); in pnfs_clear_layoutcommit()
1429 struct pnfs_layout_segment *lseg, *next; in pnfs_roc() local
1476 list_for_each_entry_safe(lseg, next, &lo->plh_segs, pls_list) { in pnfs_roc()
1477 if (skip_read && lseg->pls_range.iomode == IOMODE_READ) in pnfs_roc()
1480 if (!test_and_clear_bit(NFS_LSEG_ROC, &lseg->pls_flags)) in pnfs_roc()
1486 set_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags); in pnfs_roc()
1487 if (!mark_lseg_invalid(lseg, &lo->plh_return_segs)) in pnfs_roc()
1489 pnfs_set_plh_return_info(lo, lseg->pls_range.iomode, 0); in pnfs_roc()
1655 pnfs_lseg_no_merge(struct pnfs_layout_segment *lseg, in pnfs_lseg_no_merge() argument
1663 struct pnfs_layout_segment *lseg, in pnfs_generic_layout_insert_lseg() argument
1677 if (do_merge(lseg, lp)) { in pnfs_generic_layout_insert_lseg()
1681 if (is_after(&lseg->pls_range, &lp->pls_range)) in pnfs_generic_layout_insert_lseg()
1683 list_add_tail(&lseg->pls_list, &lp->pls_list); in pnfs_generic_layout_insert_lseg()
1687 __func__, lseg, lseg->pls_range.iomode, in pnfs_generic_layout_insert_lseg()
1688 lseg->pls_range.offset, lseg->pls_range.length, in pnfs_generic_layout_insert_lseg()
1693 list_add_tail(&lseg->pls_list, &lo->plh_segs); in pnfs_generic_layout_insert_lseg()
1696 __func__, lseg, lseg->pls_range.iomode, in pnfs_generic_layout_insert_lseg()
1697 lseg->pls_range.offset, lseg->pls_range.length); in pnfs_generic_layout_insert_lseg()
1707 struct pnfs_layout_segment *lseg, in pnfs_layout_insert_lseg() argument
1714 ld->add_lseg(lo, lseg, free_me); in pnfs_layout_insert_lseg()
1716 pnfs_generic_layout_insert_lseg(lo, lseg, in pnfs_layout_insert_lseg()
1812 struct pnfs_layout_segment *lseg, *ret = NULL; in pnfs_find_lseg() local
1816 list_for_each_entry(lseg, &lo->plh_segs, pls_list) { in pnfs_find_lseg()
1817 if (test_bit(NFS_LSEG_VALID, &lseg->pls_flags) && in pnfs_find_lseg()
1818 pnfs_lseg_range_match(&lseg->pls_range, range, in pnfs_find_lseg()
1820 ret = pnfs_get_lseg(lseg); in pnfs_find_lseg()
1980 struct pnfs_layout_segment *lseg = NULL; in pnfs_update_layout() local
1988 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
1994 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2000 lseg = ERR_PTR(nfs4_client_recover_expired_lease(clp)); in pnfs_update_layout()
2001 if (IS_ERR(lseg)) in pnfs_update_layout()
2008 lseg = ERR_PTR(-ENOMEM); in pnfs_update_layout()
2009 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2016 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2024 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2036 lseg = ERR_PTR(wait_on_bit(&lo->plh_flags, NFS_LAYOUT_DRAIN, in pnfs_update_layout()
2038 if (IS_ERR(lseg)) in pnfs_update_layout()
2051 lseg = ERR_PTR(pnfs_prepare_to_retry_layoutget(lo)); in pnfs_update_layout()
2052 if (!IS_ERR(lseg)) { in pnfs_update_layout()
2056 lseg, in pnfs_update_layout()
2060 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2065 lseg = pnfs_find_lseg(lo, &arg, strict_iomode); in pnfs_update_layout()
2066 if (lseg) { in pnfs_update_layout()
2067 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2087 lseg = ERR_PTR(wait_on_bit(&lo->plh_flags, in pnfs_update_layout()
2090 if (IS_ERR(lseg)) in pnfs_update_layout()
2103 lseg = ERR_PTR(status); in pnfs_update_layout()
2105 iomode, lo, lseg, in pnfs_update_layout()
2118 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2137 lseg = ERR_PTR(-ENOMEM); in pnfs_update_layout()
2147 lseg = nfs4_proc_layoutget(lgp, &timeout); in pnfs_update_layout()
2148 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2151 if (IS_ERR(lseg)) { in pnfs_update_layout()
2152 switch(PTR_ERR(lseg)) { in pnfs_update_layout()
2155 lseg = NULL; in pnfs_update_layout()
2164 lseg = NULL; in pnfs_update_layout()
2167 if (!nfs_error_is_fatal(PTR_ERR(lseg))) { in pnfs_update_layout()
2169 lseg = NULL; in pnfs_update_layout()
2173 if (lseg) { in pnfs_update_layout()
2177 iomode, lo, lseg, PNFS_UPDATE_LAYOUT_RETRY); in pnfs_update_layout()
2188 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2196 IS_ERR_OR_NULL(lseg) ? "not found" : "found", in pnfs_update_layout()
2200 return lseg; in pnfs_update_layout()
2334 struct pnfs_layout_segment *lseg; in pnfs_parse_lgopen() local
2371 lseg = pnfs_layout_process(lgp); in pnfs_parse_lgopen()
2372 if (!IS_ERR(lseg)) { in pnfs_parse_lgopen()
2375 pnfs_put_lseg(lseg); in pnfs_parse_lgopen()
2395 struct pnfs_layout_segment *lseg; in pnfs_layout_process() local
2403 lseg = NFS_SERVER(ino)->pnfs_curr_ld->alloc_lseg(lo, res, lgp->gfp_flags); in pnfs_layout_process()
2404 if (IS_ERR_OR_NULL(lseg)) { in pnfs_layout_process()
2405 if (!lseg) in pnfs_layout_process()
2406 lseg = ERR_PTR(-ENOMEM); in pnfs_layout_process()
2409 __func__, PTR_ERR(lseg)); in pnfs_layout_process()
2410 return lseg; in pnfs_layout_process()
2413 pnfs_init_lseg(lo, lseg, &res->range, &res->stateid); in pnfs_layout_process()
2450 pnfs_get_lseg(lseg); in pnfs_layout_process()
2451 pnfs_layout_insert_lseg(lo, lseg, &free_me); in pnfs_layout_process()
2455 set_bit(NFS_LSEG_ROC, &lseg->pls_flags); in pnfs_layout_process()
2459 return lseg; in pnfs_layout_process()
2463 lseg->pls_layout = lo; in pnfs_layout_process()
2464 NFS_SERVER(ino)->pnfs_curr_ld->free_lseg(lseg); in pnfs_layout_process()
2490 struct pnfs_layout_segment *lseg, *next; in pnfs_mark_matching_lsegs_return() local
2501 list_for_each_entry_safe(lseg, next, &lo->plh_segs, pls_list) in pnfs_mark_matching_lsegs_return()
2502 if (pnfs_match_lseg_recall(lseg, return_range, seq)) { in pnfs_mark_matching_lsegs_return()
2505 lseg, lseg->pls_range.iomode, in pnfs_mark_matching_lsegs_return()
2506 lseg->pls_range.offset, in pnfs_mark_matching_lsegs_return()
2507 lseg->pls_range.length); in pnfs_mark_matching_lsegs_return()
2508 if (test_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags)) in pnfs_mark_matching_lsegs_return()
2510 if (mark_lseg_invalid(lseg, tmp_list)) in pnfs_mark_matching_lsegs_return()
2513 set_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags); in pnfs_mark_matching_lsegs_return()
2514 pnfs_lseg_cancel_io(server, lseg); in pnfs_mark_matching_lsegs_return()
2565 struct pnfs_layout_segment *lseg) in pnfs_error_mark_layout_for_return() argument
2568 .iomode = lseg->pls_range.iomode, in pnfs_error_mark_layout_for_return()
2590 struct pnfs_layout_segment *lseg; in pnfs_find_first_lseg() local
2592 list_for_each_entry(lseg, &lo->plh_segs, pls_list) { in pnfs_find_first_lseg()
2593 if (!test_bit(NFS_LSEG_VALID, &lseg->pls_flags)) in pnfs_find_first_lseg()
2595 if (test_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags)) in pnfs_find_first_lseg()
2597 if (lseg->pls_range.iomode != iomode && iomode != IOMODE_ANY) in pnfs_find_first_lseg()
2599 if (pnfs_lseg_range_intersecting(&lseg->pls_range, range)) in pnfs_find_first_lseg()
2600 return lseg; in pnfs_find_first_lseg()
2847 pnfs_set_layoutcommit(hdr->inode, hdr->lseg, in pnfs_ld_write_done()
2875 struct pnfs_layout_segment *lseg, in pnfs_try_to_write_data() argument
2898 struct pnfs_layout_segment *lseg = desc->pg_lseg; in pnfs_do_write() local
2901 trypnfs = pnfs_try_to_write_data(hdr, call_ops, lseg, how); in pnfs_do_write()
2921 pnfs_put_lseg(hdr->lseg); in pnfs_writehdr_free()
2938 hdr->lseg = pnfs_get_lseg(desc->pg_lseg); in pnfs_generic_pg_writepages()
3002 struct pnfs_layout_segment *lseg) in pnfs_try_to_read_data() argument
3028 pnfs_put_lseg(hdr->lseg); in pnfs_read_resend_pnfs()
3029 hdr->lseg = NULL; in pnfs_read_resend_pnfs()
3043 struct pnfs_layout_segment *lseg = desc->pg_lseg; in pnfs_do_read() local
3046 trypnfs = pnfs_try_to_read_data(hdr, call_ops, lseg); in pnfs_do_read()
3066 pnfs_put_lseg(hdr->lseg); in pnfs_readhdr_free()
3082 hdr->lseg = pnfs_get_lseg(desc->pg_lseg); in pnfs_generic_pg_readpages()
3104 struct pnfs_layout_segment *lseg; in pnfs_list_write_lseg() local
3106 list_for_each_entry(lseg, &NFS_I(inode)->layout->plh_segs, pls_list) { in pnfs_list_write_lseg()
3107 if (lseg->pls_range.iomode == IOMODE_RW && in pnfs_list_write_lseg()
3108 test_and_clear_bit(NFS_LSEG_LAYOUTCOMMIT, &lseg->pls_flags)) in pnfs_list_write_lseg()
3109 list_add(&lseg->pls_lc_list, listp); in pnfs_list_write_lseg()
3115 struct pnfs_layout_segment *lseg, *tmp; in pnfs_list_write_lseg_done() local
3118 list_for_each_entry_safe(lseg, tmp, listp, pls_lc_list) { in pnfs_list_write_lseg_done()
3119 list_del_init(&lseg->pls_lc_list); in pnfs_list_write_lseg_done()
3120 pnfs_put_lseg(lseg); in pnfs_list_write_lseg_done()
3126 void pnfs_set_lo_fail(struct pnfs_layout_segment *lseg) in pnfs_set_lo_fail() argument
3128 pnfs_layout_io_set_failed(lseg->pls_layout, lseg->pls_range.iomode); in pnfs_set_lo_fail()
3133 pnfs_set_layoutcommit(struct inode *inode, struct pnfs_layout_segment *lseg, in pnfs_set_layoutcommit() argument
3147 if (!test_and_set_bit(NFS_LSEG_LAYOUTCOMMIT, &lseg->pls_flags)) { in pnfs_set_layoutcommit()
3149 pnfs_get_lseg(lseg); in pnfs_set_layoutcommit()
3153 __func__, lseg, nfsi->layout->plh_lwb); in pnfs_set_layoutcommit()