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()
611 if (test_bit(NFS_LSEG_VALID, &lseg->pls_flags)) { in pnfs_put_lseg()
616 pnfs_layout_remove_lseg(lo, lseg); in pnfs_put_lseg()
617 if (pnfs_cache_lseg_for_layoutreturn(lo, lseg)) in pnfs_put_lseg()
618 lseg = NULL; in pnfs_put_lseg()
620 pnfs_free_lseg(lseg); in pnfs_put_lseg()
645 static bool pnfs_lseg_dec_and_remove_zero(struct pnfs_layout_segment *lseg, in pnfs_lseg_dec_and_remove_zero() argument
648 if (!refcount_dec_and_test(&lseg->pls_refcount)) in pnfs_lseg_dec_and_remove_zero()
650 pnfs_layout_remove_lseg(lseg->pls_layout, lseg); in pnfs_lseg_dec_and_remove_zero()
651 list_add(&lseg->pls_list, tmp_list); in pnfs_lseg_dec_and_remove_zero()
656 static int mark_lseg_invalid(struct pnfs_layout_segment *lseg, in mark_lseg_invalid() argument
661 if (test_and_clear_bit(NFS_LSEG_VALID, &lseg->pls_flags)) { in mark_lseg_invalid()
666 dprintk("%s: lseg %p ref %d\n", __func__, lseg, in mark_lseg_invalid()
667 refcount_read(&lseg->pls_refcount)); in mark_lseg_invalid()
668 if (pnfs_lseg_dec_and_remove_zero(lseg, tmp_list)) in mark_lseg_invalid()
684 pnfs_match_lseg_recall(const struct pnfs_layout_segment *lseg, in pnfs_match_lseg_recall() argument
688 if (seq != 0 && pnfs_seqid_is_newer(lseg->pls_seq, seq)) in pnfs_match_lseg_recall()
692 return pnfs_should_free_range(&lseg->pls_range, recall_range); in pnfs_match_lseg_recall()
716 struct pnfs_layout_segment *lseg, *next; in pnfs_mark_matching_lsegs_invalid() local
723 list_for_each_entry_safe(lseg, next, &lo->plh_segs, pls_list) in pnfs_mark_matching_lsegs_invalid()
724 if (pnfs_match_lseg_recall(lseg, recall_range, seq)) { in pnfs_mark_matching_lsegs_invalid()
727 lseg, lseg->pls_range.iomode, lseg->pls_seq, in pnfs_mark_matching_lsegs_invalid()
728 lseg->pls_range.offset, lseg->pls_range.length); in pnfs_mark_matching_lsegs_invalid()
729 if (!mark_lseg_invalid(lseg, tmp_list)) in pnfs_mark_matching_lsegs_invalid()
742 struct pnfs_layout_segment *lseg, *next; in pnfs_free_returned_lsegs() local
744 list_for_each_entry_safe(lseg, next, &lo->plh_return_segs, pls_list) { in pnfs_free_returned_lsegs()
745 if (pnfs_match_lseg_recall(lseg, range, seq)) in pnfs_free_returned_lsegs()
746 list_move_tail(&lseg->pls_list, free_me); in pnfs_free_returned_lsegs()
754 struct pnfs_layout_segment *lseg, *tmp; in pnfs_free_lseg_list() local
759 list_for_each_entry_safe(lseg, tmp, free_me, pls_list) { in pnfs_free_lseg_list()
760 list_del(&lseg->pls_list); in pnfs_free_lseg_list()
761 pnfs_free_lseg(lseg); in pnfs_free_lseg_list()
1157 struct pnfs_layout_segment *lseg, *tmp; in pnfs_clear_layoutcommit() local
1161 list_for_each_entry_safe(lseg, tmp, &nfsi->layout->plh_segs, pls_list) { in pnfs_clear_layoutcommit()
1162 if (!test_and_clear_bit(NFS_LSEG_LAYOUTCOMMIT, &lseg->pls_flags)) in pnfs_clear_layoutcommit()
1164 pnfs_lseg_dec_and_remove_zero(lseg, head); in pnfs_clear_layoutcommit()
1431 struct pnfs_layout_segment *lseg, *next; in pnfs_roc() local
1478 list_for_each_entry_safe(lseg, next, &lo->plh_segs, pls_list) { in pnfs_roc()
1479 if (skip_read && lseg->pls_range.iomode == IOMODE_READ) in pnfs_roc()
1482 if (!test_and_clear_bit(NFS_LSEG_ROC, &lseg->pls_flags)) in pnfs_roc()
1488 set_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags); in pnfs_roc()
1489 if (!mark_lseg_invalid(lseg, &lo->plh_return_segs)) in pnfs_roc()
1491 pnfs_set_plh_return_info(lo, lseg->pls_range.iomode, 0); in pnfs_roc()
1658 pnfs_lseg_no_merge(struct pnfs_layout_segment *lseg, in pnfs_lseg_no_merge() argument
1666 struct pnfs_layout_segment *lseg, in pnfs_generic_layout_insert_lseg() argument
1680 if (do_merge(lseg, lp)) { in pnfs_generic_layout_insert_lseg()
1684 if (is_after(&lseg->pls_range, &lp->pls_range)) in pnfs_generic_layout_insert_lseg()
1686 list_add_tail(&lseg->pls_list, &lp->pls_list); in pnfs_generic_layout_insert_lseg()
1690 __func__, lseg, lseg->pls_range.iomode, in pnfs_generic_layout_insert_lseg()
1691 lseg->pls_range.offset, lseg->pls_range.length, in pnfs_generic_layout_insert_lseg()
1696 list_add_tail(&lseg->pls_list, &lo->plh_segs); in pnfs_generic_layout_insert_lseg()
1699 __func__, lseg, lseg->pls_range.iomode, in pnfs_generic_layout_insert_lseg()
1700 lseg->pls_range.offset, lseg->pls_range.length); in pnfs_generic_layout_insert_lseg()
1710 struct pnfs_layout_segment *lseg, in pnfs_layout_insert_lseg() argument
1717 ld->add_lseg(lo, lseg, free_me); in pnfs_layout_insert_lseg()
1719 pnfs_generic_layout_insert_lseg(lo, lseg, in pnfs_layout_insert_lseg()
1815 struct pnfs_layout_segment *lseg, *ret = NULL; in pnfs_find_lseg() local
1819 list_for_each_entry(lseg, &lo->plh_segs, pls_list) { in pnfs_find_lseg()
1820 if (test_bit(NFS_LSEG_VALID, &lseg->pls_flags) && in pnfs_find_lseg()
1821 pnfs_lseg_range_match(&lseg->pls_range, range, in pnfs_find_lseg()
1823 ret = pnfs_get_lseg(lseg); in pnfs_find_lseg()
1983 struct pnfs_layout_segment *lseg = NULL; in pnfs_update_layout() local
1991 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
1997 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2003 lseg = ERR_PTR(nfs4_client_recover_expired_lease(clp)); in pnfs_update_layout()
2004 if (IS_ERR(lseg)) in pnfs_update_layout()
2011 lseg = ERR_PTR(-ENOMEM); in pnfs_update_layout()
2012 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2019 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2027 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2039 lseg = ERR_PTR(wait_on_bit(&lo->plh_flags, NFS_LAYOUT_DRAIN, in pnfs_update_layout()
2041 if (IS_ERR(lseg)) in pnfs_update_layout()
2054 lseg = ERR_PTR(pnfs_prepare_to_retry_layoutget(lo)); in pnfs_update_layout()
2055 if (!IS_ERR(lseg)) { in pnfs_update_layout()
2059 lseg, in pnfs_update_layout()
2063 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2068 lseg = pnfs_find_lseg(lo, &arg, strict_iomode); in pnfs_update_layout()
2069 if (lseg) { in pnfs_update_layout()
2070 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2090 lseg = ERR_PTR(wait_on_bit(&lo->plh_flags, in pnfs_update_layout()
2093 if (IS_ERR(lseg)) in pnfs_update_layout()
2106 lseg = ERR_PTR(status); in pnfs_update_layout()
2108 iomode, lo, lseg, in pnfs_update_layout()
2121 trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg, in pnfs_update_layout()
2140 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()
2330 struct pnfs_layout_segment *lseg; in pnfs_parse_lgopen() local
2367 lseg = pnfs_layout_process(lgp); in pnfs_parse_lgopen()
2368 if (!IS_ERR(lseg)) { in pnfs_parse_lgopen()
2371 pnfs_put_lseg(lseg); in pnfs_parse_lgopen()
2393 struct pnfs_layout_segment *lseg; in pnfs_layout_process() local
2401 lseg = NFS_SERVER(ino)->pnfs_curr_ld->alloc_lseg(lo, res, lgp->gfp_flags); in pnfs_layout_process()
2402 if (IS_ERR_OR_NULL(lseg)) { in pnfs_layout_process()
2403 if (!lseg) in pnfs_layout_process()
2404 lseg = ERR_PTR(-ENOMEM); in pnfs_layout_process()
2407 __func__, PTR_ERR(lseg)); in pnfs_layout_process()
2408 return lseg; in pnfs_layout_process()
2411 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()
2491 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()
2564 struct pnfs_layout_segment *lseg) in pnfs_error_mark_layout_for_return() argument
2567 .iomode = lseg->pls_range.iomode, in pnfs_error_mark_layout_for_return()
2589 struct pnfs_layout_segment *lseg; in pnfs_find_first_lseg() local
2591 list_for_each_entry(lseg, &lo->plh_segs, pls_list) { in pnfs_find_first_lseg()
2592 if (!test_bit(NFS_LSEG_VALID, &lseg->pls_flags)) in pnfs_find_first_lseg()
2594 if (test_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags)) in pnfs_find_first_lseg()
2596 if (lseg->pls_range.iomode != iomode && iomode != IOMODE_ANY) in pnfs_find_first_lseg()
2598 if (pnfs_lseg_range_intersecting(&lseg->pls_range, range)) in pnfs_find_first_lseg()
2599 return lseg; in pnfs_find_first_lseg()
2852 pnfs_set_layoutcommit(hdr->inode, hdr->lseg, in pnfs_ld_write_done()
2880 struct pnfs_layout_segment *lseg, in pnfs_try_to_write_data() argument
2903 struct pnfs_layout_segment *lseg = desc->pg_lseg; in pnfs_do_write() local
2906 trypnfs = pnfs_try_to_write_data(hdr, call_ops, lseg, how); in pnfs_do_write()
2925 pnfs_put_lseg(hdr->lseg); in pnfs_writehdr_free()
2942 hdr->lseg = pnfs_get_lseg(desc->pg_lseg); in pnfs_generic_pg_writepages()
3006 struct pnfs_layout_segment *lseg) in pnfs_try_to_read_data() argument
3032 pnfs_put_lseg(hdr->lseg); in pnfs_read_resend_pnfs()
3033 hdr->lseg = NULL; in pnfs_read_resend_pnfs()
3047 struct pnfs_layout_segment *lseg = desc->pg_lseg; in pnfs_do_read() local
3050 trypnfs = pnfs_try_to_read_data(hdr, call_ops, lseg); in pnfs_do_read()
3069 pnfs_put_lseg(hdr->lseg); in pnfs_readhdr_free()
3085 hdr->lseg = pnfs_get_lseg(desc->pg_lseg); in pnfs_generic_pg_readpages()
3107 struct pnfs_layout_segment *lseg; in pnfs_list_write_lseg() local
3109 list_for_each_entry(lseg, &NFS_I(inode)->layout->plh_segs, pls_list) { in pnfs_list_write_lseg()
3110 if (lseg->pls_range.iomode == IOMODE_RW && in pnfs_list_write_lseg()
3111 test_and_clear_bit(NFS_LSEG_LAYOUTCOMMIT, &lseg->pls_flags)) in pnfs_list_write_lseg()
3112 list_add(&lseg->pls_lc_list, listp); in pnfs_list_write_lseg()
3118 struct pnfs_layout_segment *lseg, *tmp; in pnfs_list_write_lseg_done() local
3121 list_for_each_entry_safe(lseg, tmp, listp, pls_lc_list) { in pnfs_list_write_lseg_done()
3122 list_del_init(&lseg->pls_lc_list); in pnfs_list_write_lseg_done()
3123 pnfs_put_lseg(lseg); in pnfs_list_write_lseg_done()
3129 void pnfs_set_lo_fail(struct pnfs_layout_segment *lseg) in pnfs_set_lo_fail() argument
3131 pnfs_layout_io_set_failed(lseg->pls_layout, lseg->pls_range.iomode); in pnfs_set_lo_fail()
3136 pnfs_set_layoutcommit(struct inode *inode, struct pnfs_layout_segment *lseg, in pnfs_set_layoutcommit() argument
3150 if (!test_and_set_bit(NFS_LSEG_LAYOUTCOMMIT, &lseg->pls_flags)) { in pnfs_set_layoutcommit()
3152 pnfs_get_lseg(lseg); in pnfs_set_layoutcommit()
3156 __func__, lseg, nfsi->layout->plh_lwb); in pnfs_set_layoutcommit()