| /Linux-v5.15/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 | 1004 static void nfs_pageio_setup_mirroring(struct nfs_pageio_descriptor *pgio, in nfs_pageio_setup_mirroring() argument
1009 if (pgio->pg_ops->pg_get_mirror_count) in nfs_pageio_setup_mirroring()
1010 mirror_count = pgio->pg_ops->pg_get_mirror_count(pgio, req); in nfs_pageio_setup_mirroring()
1011 if (mirror_count == pgio->pg_mirror_count || pgio->pg_error < 0) in nfs_pageio_setup_mirroring()
1015 pgio->pg_error = -EINVAL; in nfs_pageio_setup_mirroring()
1019 pgio->pg_mirrors = nfs_pageio_alloc_mirrors(pgio, mirror_count); in nfs_pageio_setup_mirroring()
1020 if (pgio->pg_mirrors == NULL) { in nfs_pageio_setup_mirroring()
1021 pgio->pg_error = -ENOMEM; in nfs_pageio_setup_mirroring()
1022 pgio->pg_mirrors = pgio->pg_mirrors_static; in nfs_pageio_setup_mirroring()
1025 pgio->pg_mirror_count = mirror_count; in nfs_pageio_setup_mirroring()
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| D | write.c | 605 static int nfs_page_async_flush(struct nfs_pageio_descriptor *pgio, in nfs_page_async_flush() argument
622 ret = pgio->pg_error; in nfs_page_async_flush()
627 if (!nfs_pageio_add_request(pgio, req)) { in nfs_page_async_flush()
628 ret = pgio->pg_error; in nfs_page_async_flush()
638 pgio->pg_error = 0; in nfs_page_async_flush()
650 struct nfs_pageio_descriptor *pgio) in nfs_do_writepage() argument
654 nfs_pageio_cond_complete(pgio, page_index(page)); in nfs_do_writepage()
655 ret = nfs_page_async_flush(pgio, page); in nfs_do_writepage()
669 struct nfs_pageio_descriptor pgio; in nfs_writepage_locked() local
674 nfs_pageio_init_write(&pgio, inode, 0, in nfs_writepage_locked()
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| D | pnfs.c | 2657 pnfs_generic_pg_check_layout(struct nfs_pageio_descriptor *pgio) in pnfs_generic_pg_check_layout() argument
2659 if (pgio->pg_lseg == NULL || in pnfs_generic_pg_check_layout()
2660 test_bit(NFS_LSEG_VALID, &pgio->pg_lseg->pls_flags)) in pnfs_generic_pg_check_layout()
2662 pnfs_put_lseg(pgio->pg_lseg); in pnfs_generic_pg_check_layout()
2663 pgio->pg_lseg = NULL; in pnfs_generic_pg_check_layout()
2672 pnfs_generic_pg_check_range(struct nfs_pageio_descriptor *pgio, struct nfs_page *req) in pnfs_generic_pg_check_range() argument
2674 if (pgio->pg_lseg && !pnfs_lseg_request_intersecting(pgio->pg_lseg, req)) { in pnfs_generic_pg_check_range()
2675 pnfs_put_lseg(pgio->pg_lseg); in pnfs_generic_pg_check_range()
2676 pgio->pg_lseg = NULL; in pnfs_generic_pg_check_range()
2682 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 | internal.h | 468 extern void nfs_pageio_init_read(struct nfs_pageio_descriptor *pgio,
472 extern void nfs_pageio_reset_read_mds(struct nfs_pageio_descriptor *pgio);
484 extern void nfs_pageio_init_write(struct nfs_pageio_descriptor *pgio,
487 extern void nfs_pageio_reset_write_mds(struct nfs_pageio_descriptor *pgio);
530 void nfs_pageio_stop_mirroring(struct nfs_pageio_descriptor *pgio);
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| D | pnfs.h | 256 void pnfs_generic_pg_check_layout(struct nfs_pageio_descriptor *pgio);
257 void pnfs_generic_pg_check_range(struct nfs_pageio_descriptor *pgio, struct nfs_page *req);
260 void pnfs_generic_pg_init_write(struct nfs_pageio_descriptor *pgio,
264 size_t pnfs_generic_pg_test(struct nfs_pageio_descriptor *pgio,
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| /Linux-v5.15/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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| /Linux-v5.15/fs/nfs/blocklayout/ |
| D | blocklayout.c | 819 is_aligned_req(struct nfs_pageio_descriptor *pgio, in is_aligned_req() argument
826 if (pgio->pg_dreq == NULL) in is_aligned_req()
836 (req_offset(req) + req->wb_bytes == i_size_read(pgio->pg_inode))) { in is_aligned_req()
851 bl_pg_init_read(struct nfs_pageio_descriptor *pgio, struct nfs_page *req) in bl_pg_init_read() argument
853 if (!is_aligned_req(pgio, req, SECTOR_SIZE, false)) { in bl_pg_init_read()
854 nfs_pageio_reset_read_mds(pgio); in bl_pg_init_read()
858 pnfs_generic_pg_init_read(pgio, req); in bl_pg_init_read()
860 if (pgio->pg_lseg && in bl_pg_init_read()
861 test_bit(NFS_LSEG_UNAVAILABLE, &pgio->pg_lseg->pls_flags)) { in bl_pg_init_read()
862 pnfs_error_mark_layout_for_return(pgio->pg_inode, pgio->pg_lseg); in bl_pg_init_read()
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| /Linux-v5.15/fs/nfs/filelayout/ |
| D | filelayout.c | 793 filelayout_pg_test(struct nfs_pageio_descriptor *pgio, struct nfs_page *prev, in filelayout_pg_test() argument
799 u64 segment_offset = pgio->pg_lseg->pls_range.offset; in filelayout_pg_test()
800 u32 stripe_unit = FILELAYOUT_LSEG(pgio->pg_lseg)->stripe_unit; in filelayout_pg_test()
803 size = pnfs_generic_pg_test(pgio, prev, req); in filelayout_pg_test()
860 filelayout_pg_init_read(struct nfs_pageio_descriptor *pgio, in filelayout_pg_init_read() argument
863 pnfs_generic_pg_check_layout(pgio); in filelayout_pg_init_read()
864 if (!pgio->pg_lseg) { in filelayout_pg_init_read()
865 pgio->pg_lseg = fl_pnfs_update_layout(pgio->pg_inode, in filelayout_pg_init_read()
872 if (IS_ERR(pgio->pg_lseg)) { in filelayout_pg_init_read()
873 pgio->pg_error = PTR_ERR(pgio->pg_lseg); in filelayout_pg_init_read()
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