gfp_t gfp_flags);
int (*prepare_layoutreturn) (struct nfs4_layoutreturn_args *);
- void (*encode_layoutreturn) (struct xdr_stream *xdr,
- const struct nfs4_layoutreturn_args *args);
void (*cleanup_layoutcommit) (struct nfs4_layoutcommit_data *data);
int (*prepare_layoutcommit) (struct nfs4_layoutcommit_args *args);
- void (*encode_layoutcommit) (struct pnfs_layout_hdr *lo,
- struct xdr_stream *xdr,
- const struct nfs4_layoutcommit_args *args);
int (*prepare_layoutstats) (struct nfs42_layoutstat_args *args);
};
void set_pnfs_layoutdriver(struct nfs_server *, const struct nfs_fh *, struct nfs_fsinfo *);
void unset_pnfs_layoutdriver(struct nfs_server *);
+void pnfs_generic_pg_check_layout(struct nfs_pageio_descriptor *pgio);
void pnfs_generic_pg_init_read(struct nfs_pageio_descriptor *, struct nfs_page *);
int pnfs_generic_pg_readpages(struct nfs_pageio_descriptor *desc);
void pnfs_generic_pg_init_write(struct nfs_pageio_descriptor *pgio,
return pnfs_is_range_intersecting(l1->offset, end1, l2->offset, end2);
}
+static inline bool
+pnfs_lseg_request_intersecting(struct pnfs_layout_segment *lseg, struct nfs_page *req)
+{
+ u64 seg_last = pnfs_end_offset(lseg->pls_range.offset, lseg->pls_range.length);
+ u64 req_last = req_offset(req) + req->wb_bytes;
+
+ return pnfs_is_range_intersecting(lseg->pls_range.offset, seg_last,
+ req_offset(req), req_last);
+}
+
extern unsigned int layoutstats_timer;
#ifdef NFS_DEBUG