| /fs/nfs/ |
| D | read.c | 61 void nfs_pageio_init_read(struct nfs_pageio_descriptor *pgio, in nfs_pageio_init_read() argument
72 nfs_pageio_init(pgio, inode, pg_ops, compl_ops, &nfs_rw_read_ops, in nfs_pageio_init_read()
77 static void nfs_pageio_complete_read(struct nfs_pageio_descriptor *pgio) in nfs_pageio_complete_read() argument
82 nfs_pageio_complete(pgio); in nfs_pageio_complete_read()
85 WARN_ON_ONCE(pgio->pg_mirror_count != 1); in nfs_pageio_complete_read()
87 pgm = &pgio->pg_mirrors[0]; in nfs_pageio_complete_read()
88 NFS_I(pgio->pg_inode)->read_io += pgm->pg_bytes_written; in nfs_pageio_complete_read()
90 nfs_add_stats(pgio->pg_inode, NFSIOS_READPAGES, npages); in nfs_pageio_complete_read()
94 void nfs_pageio_reset_read_mds(struct nfs_pageio_descriptor *pgio) in nfs_pageio_reset_read_mds() argument
98 if (pgio->pg_ops && pgio->pg_ops->pg_cleanup) in nfs_pageio_reset_read_mds()
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| D | pagelist.c | 1007 static void nfs_pageio_setup_mirroring(struct nfs_pageio_descriptor *pgio, in nfs_pageio_setup_mirroring() argument
1012 if (pgio->pg_ops->pg_get_mirror_count) in nfs_pageio_setup_mirroring()
1013 mirror_count = pgio->pg_ops->pg_get_mirror_count(pgio, req); in nfs_pageio_setup_mirroring()
1014 if (mirror_count == pgio->pg_mirror_count || pgio->pg_error < 0) in nfs_pageio_setup_mirroring()
1018 pgio->pg_error = -EINVAL; in nfs_pageio_setup_mirroring()
1022 pgio->pg_mirrors = nfs_pageio_alloc_mirrors(pgio, mirror_count); in nfs_pageio_setup_mirroring()
1023 if (pgio->pg_mirrors == NULL) { in nfs_pageio_setup_mirroring()
1024 pgio->pg_error = -ENOMEM; in nfs_pageio_setup_mirroring()
1025 pgio->pg_mirrors = pgio->pg_mirrors_static; in nfs_pageio_setup_mirroring()
1028 pgio->pg_mirror_count = mirror_count; in nfs_pageio_setup_mirroring()
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| D | pnfs.c | 2692 pnfs_generic_pg_check_layout(struct nfs_pageio_descriptor *pgio) in pnfs_generic_pg_check_layout() argument
2694 if (pgio->pg_lseg == NULL || in pnfs_generic_pg_check_layout()
2695 test_bit(NFS_LSEG_VALID, &pgio->pg_lseg->pls_flags)) in pnfs_generic_pg_check_layout()
2697 pnfs_put_lseg(pgio->pg_lseg); in pnfs_generic_pg_check_layout()
2698 pgio->pg_lseg = NULL; in pnfs_generic_pg_check_layout()
2707 pnfs_generic_pg_check_range(struct nfs_pageio_descriptor *pgio, struct nfs_page *req) in pnfs_generic_pg_check_range() argument
2709 if (pgio->pg_lseg && !pnfs_lseg_request_intersecting(pgio->pg_lseg, req)) { in pnfs_generic_pg_check_range()
2710 pnfs_put_lseg(pgio->pg_lseg); in pnfs_generic_pg_check_range()
2711 pgio->pg_lseg = NULL; in pnfs_generic_pg_check_range()
2717 pnfs_generic_pg_init_read(struct nfs_pageio_descriptor *pgio, struct nfs_page *req) in pnfs_generic_pg_init_read() argument
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| D | write.c | 609 struct nfs_pageio_descriptor *pgio) in nfs_page_async_flush() argument
625 ret = pgio->pg_error; in nfs_page_async_flush()
630 if (!nfs_pageio_add_request(pgio, req)) { in nfs_page_async_flush()
631 ret = pgio->pg_error; in nfs_page_async_flush()
641 pgio->pg_error = 0; in nfs_page_async_flush()
653 struct nfs_pageio_descriptor *pgio) in nfs_do_writepage() argument
655 nfs_pageio_cond_complete(pgio, page_index(page)); in nfs_do_writepage()
656 return nfs_page_async_flush(page, wbc, pgio); in nfs_do_writepage()
665 struct nfs_pageio_descriptor pgio; in nfs_writepage_locked() local
670 nfs_pageio_init_write(&pgio, inode, 0, in nfs_writepage_locked()
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| D | internal.h | 469 extern void nfs_pageio_init_read(struct nfs_pageio_descriptor *pgio,
473 extern void nfs_pageio_reset_read_mds(struct nfs_pageio_descriptor *pgio);
485 extern void nfs_pageio_init_write(struct nfs_pageio_descriptor *pgio,
488 extern void nfs_pageio_reset_write_mds(struct nfs_pageio_descriptor *pgio);
531 void nfs_pageio_stop_mirroring(struct nfs_pageio_descriptor *pgio);
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| D | pnfs.h | 259 void pnfs_generic_pg_check_layout(struct nfs_pageio_descriptor *pgio);
260 void pnfs_generic_pg_check_range(struct nfs_pageio_descriptor *pgio, struct nfs_page *req);
263 void pnfs_generic_pg_init_write(struct nfs_pageio_descriptor *pgio,
267 size_t pnfs_generic_pg_test(struct nfs_pageio_descriptor *pgio,
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| /fs/nfs/flexfilelayout/ |
| D | flexfilelayout.c | 790 ff_layout_get_ds_for_read(struct nfs_pageio_descriptor *pgio, in ff_layout_get_ds_for_read() argument
793 struct pnfs_layout_segment *lseg = pgio->pg_lseg; in ff_layout_get_ds_for_read()
796 ds = ff_layout_choose_best_ds_for_read(lseg, pgio->pg_mirror_idx, in ff_layout_get_ds_for_read()
798 if (ds || !pgio->pg_mirror_idx) in ff_layout_get_ds_for_read()
804 ff_layout_pg_get_read(struct nfs_pageio_descriptor *pgio, in ff_layout_pg_get_read() argument
808 pnfs_put_lseg(pgio->pg_lseg); in ff_layout_pg_get_read()
809 pgio->pg_lseg = pnfs_update_layout(pgio->pg_inode, in ff_layout_pg_get_read()
816 if (IS_ERR(pgio->pg_lseg)) { in ff_layout_pg_get_read()
817 pgio->pg_error = PTR_ERR(pgio->pg_lseg); in ff_layout_pg_get_read()
818 pgio->pg_lseg = NULL; in ff_layout_pg_get_read()
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| /fs/nfs/blocklayout/ |
| D | blocklayout.c | 821 is_aligned_req(struct nfs_pageio_descriptor *pgio, in is_aligned_req() argument
828 if (pgio->pg_dreq == NULL) in is_aligned_req()
838 (req_offset(req) + req->wb_bytes == i_size_read(pgio->pg_inode))) { in is_aligned_req()
853 bl_pg_init_read(struct nfs_pageio_descriptor *pgio, struct nfs_page *req) in bl_pg_init_read() argument
855 if (!is_aligned_req(pgio, req, SECTOR_SIZE, false)) { in bl_pg_init_read()
856 nfs_pageio_reset_read_mds(pgio); in bl_pg_init_read()
860 pnfs_generic_pg_init_read(pgio, req); in bl_pg_init_read()
862 if (pgio->pg_lseg && in bl_pg_init_read()
863 test_bit(NFS_LSEG_UNAVAILABLE, &pgio->pg_lseg->pls_flags)) { in bl_pg_init_read()
864 pnfs_error_mark_layout_for_return(pgio->pg_inode, pgio->pg_lseg); in bl_pg_init_read()
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| /fs/nfs/filelayout/ |
| D | filelayout.c | 799 filelayout_pg_test(struct nfs_pageio_descriptor *pgio, struct nfs_page *prev, in filelayout_pg_test() argument
805 u64 segment_offset = pgio->pg_lseg->pls_range.offset; in filelayout_pg_test()
806 u32 stripe_unit = FILELAYOUT_LSEG(pgio->pg_lseg)->stripe_unit; in filelayout_pg_test()
809 size = pnfs_generic_pg_test(pgio, prev, req); in filelayout_pg_test()
812 else if (!filelayout_lseg_is_striped(FILELAYOUT_LSEG(pgio->pg_lseg))) in filelayout_pg_test()
868 filelayout_pg_init_read(struct nfs_pageio_descriptor *pgio, in filelayout_pg_init_read() argument
871 pnfs_generic_pg_check_layout(pgio); in filelayout_pg_init_read()
872 if (!pgio->pg_lseg) { in filelayout_pg_init_read()
873 pgio->pg_lseg = fl_pnfs_update_layout(pgio->pg_inode, in filelayout_pg_init_read()
880 if (IS_ERR(pgio->pg_lseg)) { in filelayout_pg_init_read()
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