Fix spelling error in manpage.
[fio.git] / options.c
index bd8141a83f34d8a012742991dbd1422fb20c54d6..28a228c6fefbb5ec7bab60ef8afc225685f70609 100644 (file)
--- a/options.c
+++ b/options.c
@@ -245,12 +245,9 @@ static int str_verify_cb(void *data, const char *mem)
 {
        struct thread_data *td = data;
 
-       if (td->o.verify != VERIFY_CRC32C_INTEL)
-               return 0;
-
-       if (!crc32c_intel_works()) {
-               log_info("fio: System does not support hw accelerated crc32c. Falling back to sw crc32c.\n");
-               td->o.verify = VERIFY_CRC32C;
+       if (td->o.verify == VERIFY_CRC32C_INTEL ||
+           td->o.verify == VERIFY_CRC32C) {
+               crc32c_intel_probe();
        }
 
        return 0;
@@ -947,6 +944,10 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                            .oval = TD_DDIR_RW,
                            .help = "Sequential read and write mix",
                          },
+                         { .ival = "readwrite",
+                           .oval = TD_DDIR_RW,
+                           .help = "Sequential read and write mix",
+                         },
                          { .ival = "randrw",
                            .oval = TD_DDIR_RANDRW,
                            .help = "Random read and write mix"
@@ -1121,6 +1122,14 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .help   = "Start IO from this offset",
                .def    = "0",
        },
+       {
+               .name   = "offset_increment",
+               .type   = FIO_OPT_STR_VAL,
+               .off1   = td_var_offset(offset_increment),
+               .help   = "What is the increment from one offset to the next",
+               .parent = "offset",
+               .def    = "0",
+       },
        {
                .name   = "bs",
                .alias  = "blocksize",
@@ -1482,12 +1491,12 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                            .help = "Use crc32 checksums for verification",
                          },
                          { .ival = "crc32c-intel",
-                           .oval = VERIFY_CRC32C_INTEL,
-                           .help = "Use hw crc32c checksums for verification",
+                           .oval = VERIFY_CRC32C,
+                           .help = "Use crc32c checksums for verification (hw assisted, if available)",
                          },
                          { .ival = "crc32c",
                            .oval = VERIFY_CRC32C,
-                           .help = "Use crc32c checksums for verification",
+                           .help = "Use crc32c checksums for verification (hw assisted, if available)",
                          },
                          { .ival = "crc16",
                            .oval = VERIFY_CRC16,
@@ -1875,6 +1884,13 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .help   = "Create files when they are opened for IO",
                .def    = "0",
        },
+       {
+               .name   = "create_only",
+               .type   = FIO_OPT_BOOL,
+               .off1   = td_var_offset(create_only),
+               .help   = "Only perform file creation phase",
+               .def    = "0",
+       },
        {
                .name   = "pre_read",
                .type   = FIO_OPT_BOOL,
@@ -2016,6 +2032,21 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .help   = "Slightly scramble buffers on every IO submit",
                .def    = "1",
        },
+       {
+               .name   = "buffer_compress_percentage",
+               .type   = FIO_OPT_INT,
+               .off1   = td_var_offset(compress_percentage),
+               .maxval = 100,
+               .minval = 1,
+               .help   = "How compressible the buffer is (approximately)",
+       },
+       {
+               .name   = "buffer_compress_chunk",
+               .type   = FIO_OPT_INT,
+               .off1   = td_var_offset(compress_chunk),
+               .parent = "buffer_compress_percentage",
+               .help   = "Size of compressible region in buffer",
+       },
        {
                .name   = "clat_percentiles",
                .type   = FIO_OPT_BOOL,