| /Linux-v5.4/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 void nfs_pageio_reset_read_mds(struct nfs_pageio_descriptor *pgio) in nfs_pageio_reset_read_mds() argument
81 if (pgio->pg_ops && pgio->pg_ops->pg_cleanup) in nfs_pageio_reset_read_mds()
82 pgio->pg_ops->pg_cleanup(pgio); in nfs_pageio_reset_read_mds()
84 pgio->pg_ops = &nfs_pgio_rw_ops; in nfs_pageio_reset_read_mds()
87 WARN_ON_ONCE(pgio->pg_mirror_count != 1); in nfs_pageio_reset_read_mds()
89 mirror = &pgio->pg_mirrors[0]; in nfs_pageio_reset_read_mds()
90 mirror->pg_bsize = NFS_SERVER(pgio->pg_inode)->rsize; in nfs_pageio_reset_read_mds()
122 struct nfs_pageio_descriptor pgio; in nfs_readpage_async() local
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| D | pagelist.c | 865 static void nfs_pageio_setup_mirroring(struct nfs_pageio_descriptor *pgio, in nfs_pageio_setup_mirroring() argument
870 if (pgio->pg_ops->pg_get_mirror_count) in nfs_pageio_setup_mirroring()
871 mirror_count = pgio->pg_ops->pg_get_mirror_count(pgio, req); in nfs_pageio_setup_mirroring()
872 if (mirror_count == pgio->pg_mirror_count || pgio->pg_error < 0) in nfs_pageio_setup_mirroring()
876 pgio->pg_error = -EINVAL; in nfs_pageio_setup_mirroring()
880 pgio->pg_mirrors = nfs_pageio_alloc_mirrors(pgio, mirror_count); in nfs_pageio_setup_mirroring()
881 if (pgio->pg_mirrors == NULL) { in nfs_pageio_setup_mirroring()
882 pgio->pg_error = -ENOMEM; in nfs_pageio_setup_mirroring()
883 pgio->pg_mirrors = pgio->pg_mirrors_static; in nfs_pageio_setup_mirroring()
886 pgio->pg_mirror_count = mirror_count; in nfs_pageio_setup_mirroring()
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| D | pnfs.c | 2468 pnfs_generic_pg_check_layout(struct nfs_pageio_descriptor *pgio) in pnfs_generic_pg_check_layout() argument
2470 if (pgio->pg_lseg == NULL || in pnfs_generic_pg_check_layout()
2471 test_bit(NFS_LSEG_VALID, &pgio->pg_lseg->pls_flags)) in pnfs_generic_pg_check_layout()
2473 pnfs_put_lseg(pgio->pg_lseg); in pnfs_generic_pg_check_layout()
2474 pgio->pg_lseg = NULL; in pnfs_generic_pg_check_layout()
2483 pnfs_generic_pg_check_range(struct nfs_pageio_descriptor *pgio, struct nfs_page *req) in pnfs_generic_pg_check_range() argument
2485 if (pgio->pg_lseg && !pnfs_lseg_request_intersecting(pgio->pg_lseg, req)) { in pnfs_generic_pg_check_range()
2486 pnfs_put_lseg(pgio->pg_lseg); in pnfs_generic_pg_check_range()
2487 pgio->pg_lseg = NULL; in pnfs_generic_pg_check_range()
2492 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 | 606 static int nfs_page_async_flush(struct nfs_pageio_descriptor *pgio, in nfs_page_async_flush() argument
623 ret = pgio->pg_error; in nfs_page_async_flush()
628 if (!nfs_pageio_add_request(pgio, req)) { in nfs_page_async_flush()
629 ret = pgio->pg_error; in nfs_page_async_flush()
639 pgio->pg_error = 0; in nfs_page_async_flush()
651 struct nfs_pageio_descriptor *pgio) in nfs_do_writepage() argument
655 nfs_pageio_cond_complete(pgio, page_index(page)); in nfs_do_writepage()
656 ret = nfs_page_async_flush(pgio, page); in nfs_do_writepage()
670 struct nfs_pageio_descriptor pgio; in nfs_writepage_locked() local
675 nfs_pageio_init_write(&pgio, inode, 0, in nfs_writepage_locked()
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| D | internal.h | 450 extern void nfs_pageio_init_read(struct nfs_pageio_descriptor *pgio,
454 extern void nfs_pageio_reset_read_mds(struct nfs_pageio_descriptor *pgio);
466 extern void nfs_pageio_init_write(struct nfs_pageio_descriptor *pgio,
469 extern void nfs_pageio_reset_write_mds(struct nfs_pageio_descriptor *pgio);
512 void nfs_pageio_stop_mirroring(struct nfs_pageio_descriptor *pgio);
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| D | pnfs.h | 244 void pnfs_generic_pg_check_layout(struct nfs_pageio_descriptor *pgio);
247 void pnfs_generic_pg_init_write(struct nfs_pageio_descriptor *pgio,
251 size_t pnfs_generic_pg_test(struct nfs_pageio_descriptor *pgio,
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| /Linux-v5.4/fs/nfs/flexfilelayout/ |
| D | flexfilelayout.c | 872 ff_layout_pg_get_read(struct nfs_pageio_descriptor *pgio, in ff_layout_pg_get_read() argument
876 pnfs_put_lseg(pgio->pg_lseg); in ff_layout_pg_get_read()
877 pgio->pg_lseg = pnfs_update_layout(pgio->pg_inode, in ff_layout_pg_get_read()
884 if (IS_ERR(pgio->pg_lseg)) { in ff_layout_pg_get_read()
885 pgio->pg_error = PTR_ERR(pgio->pg_lseg); in ff_layout_pg_get_read()
886 pgio->pg_lseg = NULL; in ff_layout_pg_get_read()
891 ff_layout_pg_init_read(struct nfs_pageio_descriptor *pgio, in ff_layout_pg_init_read() argument
900 pnfs_generic_pg_check_layout(pgio); in ff_layout_pg_init_read()
902 if (!pgio->pg_lseg) { in ff_layout_pg_init_read()
903 ff_layout_pg_get_read(pgio, req, false); in ff_layout_pg_init_read()
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| /Linux-v5.4/fs/nfs/blocklayout/ |
| D | blocklayout.c | 824 is_aligned_req(struct nfs_pageio_descriptor *pgio, in is_aligned_req() argument
831 if (pgio->pg_dreq == NULL) in is_aligned_req()
841 (req_offset(req) + req->wb_bytes == i_size_read(pgio->pg_inode))) { in is_aligned_req()
856 bl_pg_init_read(struct nfs_pageio_descriptor *pgio, struct nfs_page *req) in bl_pg_init_read() argument
858 if (!is_aligned_req(pgio, req, SECTOR_SIZE, false)) { in bl_pg_init_read()
859 nfs_pageio_reset_read_mds(pgio); in bl_pg_init_read()
863 pnfs_generic_pg_init_read(pgio, req); in bl_pg_init_read()
865 if (pgio->pg_lseg && in bl_pg_init_read()
866 test_bit(NFS_LSEG_UNAVAILABLE, &pgio->pg_lseg->pls_flags)) { in bl_pg_init_read()
867 pnfs_error_mark_layout_for_return(pgio->pg_inode, pgio->pg_lseg); in bl_pg_init_read()
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| /Linux-v5.4/fs/nfs/filelayout/ |
| D | filelayout.c | 847 filelayout_pg_test(struct nfs_pageio_descriptor *pgio, struct nfs_page *prev, in filelayout_pg_test() argument
853 u64 segment_offset = pgio->pg_lseg->pls_range.offset; in filelayout_pg_test()
854 u32 stripe_unit = FILELAYOUT_LSEG(pgio->pg_lseg)->stripe_unit; in filelayout_pg_test()
857 size = pnfs_generic_pg_test(pgio, prev, req); in filelayout_pg_test()
914 filelayout_pg_init_read(struct nfs_pageio_descriptor *pgio, in filelayout_pg_init_read() argument
917 pnfs_generic_pg_check_layout(pgio); in filelayout_pg_init_read()
918 if (!pgio->pg_lseg) { in filelayout_pg_init_read()
919 pgio->pg_lseg = fl_pnfs_update_layout(pgio->pg_inode, in filelayout_pg_init_read()
926 if (IS_ERR(pgio->pg_lseg)) { in filelayout_pg_init_read()
927 pgio->pg_error = PTR_ERR(pgio->pg_lseg); in filelayout_pg_init_read()
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