X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=verify.c;h=46e610d713fd221d0e10b7cc74579f5ffb54fc10;hp=4440d443ce1a3e094cb40a1f75594a388905f50d;hb=e48676baa53074b429460c71fb2c9e0ac7ac7d8c;hpb=a4f4fdd7c9e46a50bc33ecef44d9f06036580ad4;ds=inline diff --git a/verify.c b/verify.c index 4440d443..46e610d7 100644 --- a/verify.c +++ b/verify.c @@ -6,7 +6,6 @@ #include #include "fio.h" -#include "os.h" static void fill_random_bytes(struct thread_data *td, unsigned char *p, unsigned int len) @@ -38,8 +37,8 @@ static void hexdump(void *buffer, int len) int i; for (i = 0; i < len; i++) - fprintf(f_out, "%02x", p[i]); - fprintf(f_out, "\n"); + log_info("%02x", p[i]); + log_info("\n"); } static int verify_io_u_crc32(struct verify_header *hdr, struct io_u *io_u) @@ -78,13 +77,18 @@ static int verify_io_u_md5(struct verify_header *hdr, struct io_u *io_u) return 0; } -static int verify_io_u(struct io_u *io_u) +int verify_io_u(struct thread_data *td, struct io_u *io_u) { struct verify_header *hdr = (struct verify_header *) io_u->buf; int ret; - if (hdr->fio_magic != FIO_HDR_MAGIC) - return 1; + if (td->o.verify == VERIFY_NULL) + return 0; + + if (hdr->fio_magic != FIO_HDR_MAGIC) { + log_err("Bad verify header %x\n", hdr->fio_magic); + return EIO; + } if (hdr->verify_type == VERIFY_MD5) ret = verify_io_u_md5(hdr, io_u); @@ -95,7 +99,10 @@ static int verify_io_u(struct io_u *io_u) ret = 1; } - return ret; + if (ret) + return EIO; + + return 0; } static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) @@ -121,15 +128,18 @@ void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) unsigned char *p = (unsigned char *) io_u->buf; struct verify_header hdr; + if (td->o.verify == VERIFY_NULL) + return; + hdr.fio_magic = FIO_HDR_MAGIC; hdr.len = io_u->buflen; p += sizeof(hdr); fill_random_bytes(td, p, io_u->buflen - sizeof(hdr)); - if (td->verify == VERIFY_MD5) { + if (td->o.verify == VERIFY_MD5) { fill_md5(&hdr, p, io_u->buflen - sizeof(hdr)); hdr.verify_type = VERIFY_MD5; - } else { + } else if (td->o.verify == VERIFY_CRC32) { fill_crc32(&hdr, p, io_u->buflen - sizeof(hdr)); hdr.verify_type = VERIFY_CRC32; } @@ -139,33 +149,34 @@ void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) int get_next_verify(struct thread_data *td, struct io_u *io_u) { - struct io_piece *ipo; + struct io_piece *ipo = NULL; - if (!list_empty(&td->io_hist_list)) { - ipo = list_entry(td->io_hist_list.next, struct io_piece, list); + /* + * this io_u is from a requeue, we already filled the offsets + */ + if (io_u->file) + return 0; + if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { + struct rb_node *n = rb_first(&td->io_hist_tree); + + ipo = rb_entry(n, struct io_piece, rb_node); + rb_erase(n, &td->io_hist_tree); + } else if (!list_empty(&td->io_hist_list)) { + ipo = list_entry(td->io_hist_list.next, struct io_piece, list); list_del(&ipo->list); + } + if (ipo) { io_u->offset = ipo->offset; io_u->buflen = ipo->len; + io_u->file = ipo->file; io_u->ddir = DDIR_READ; + io_u->xfer_buf = io_u->buf; + io_u->xfer_buflen = io_u->buflen; free(ipo); return 0; } return 1; } - -int do_io_u_verify(struct thread_data *td, struct io_u **io_u) -{ - struct io_u *v_io_u = *io_u; - int ret = 0; - - if (v_io_u) { - ret = verify_io_u(v_io_u); - put_io_u(td, v_io_u); - *io_u = NULL; - } - - return ret; -}