Loading fs/nfs/pnfs.c +16 −5 Original line number Original line Diff line number Diff line Loading @@ -1078,11 +1078,22 @@ pnfs_generic_pg_test(struct nfs_pageio_descriptor *pgio, struct nfs_page *prev, return true; return true; } } if (req_offset(req) > end_offset(pgio->pg_lseg->pls_range.offset, /* pgio->pg_lseg->pls_range.length)) * Test if a nfs_page is fully contained in the pnfs_layout_range. return false; * Note that this test makes several assumptions: * - that the previous nfs_page in the struct nfs_pageio_descriptor return true; * is known to lie within the range. * - that the nfs_page being tested is known to be contiguous with the * previous nfs_page. * - Layout ranges are page aligned, so we only have to test the * start offset of the request. * * Please also note that 'end_offset' is actually the offset of the * first byte that lies outside the pnfs_layout_range. FIXME? * */ return req_offset(req) < end_offset(pgio->pg_lseg->pls_range.offset, pgio->pg_lseg->pls_range.length); } } EXPORT_SYMBOL_GPL(pnfs_generic_pg_test); EXPORT_SYMBOL_GPL(pnfs_generic_pg_test); Loading Loading
fs/nfs/pnfs.c +16 −5 Original line number Original line Diff line number Diff line Loading @@ -1078,11 +1078,22 @@ pnfs_generic_pg_test(struct nfs_pageio_descriptor *pgio, struct nfs_page *prev, return true; return true; } } if (req_offset(req) > end_offset(pgio->pg_lseg->pls_range.offset, /* pgio->pg_lseg->pls_range.length)) * Test if a nfs_page is fully contained in the pnfs_layout_range. return false; * Note that this test makes several assumptions: * - that the previous nfs_page in the struct nfs_pageio_descriptor return true; * is known to lie within the range. * - that the nfs_page being tested is known to be contiguous with the * previous nfs_page. * - Layout ranges are page aligned, so we only have to test the * start offset of the request. * * Please also note that 'end_offset' is actually the offset of the * first byte that lies outside the pnfs_layout_range. FIXME? * */ return req_offset(req) < end_offset(pgio->pg_lseg->pls_range.offset, pgio->pg_lseg->pls_range.length); } } EXPORT_SYMBOL_GPL(pnfs_generic_pg_test); EXPORT_SYMBOL_GPL(pnfs_generic_pg_test); Loading