[PATCH] Show allowed option values for string matching
Helpful to avoid looking in the documentation.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/init.c b/init.c
index 37b84e6..11fd3e2 100644
--- a/init.c
+++ b/init.c
@@ -63,29 +63,35 @@
.name = "rw",
.type = FIO_OPT_STR,
.cb = str_rw_cb,
- .help = "IO direction (read, write, rw, etc)",
+ .help = "IO direction",
.def = "read",
+ .posval = { "read", "write", "randwrite", "randread", "rw",
+ "randrw", },
},
{
.name = "ioengine",
.type = FIO_OPT_STR,
.cb = str_ioengine_cb,
- .help = "IO engine to use (sync, aio, etc)",
+ .help = "IO engine to use",
.def = "sync",
+ .posval = { "sync", "libaio", "posixaio", "mmap", "splice",
+ "sg", "null", },
},
{
.name = "mem",
.type = FIO_OPT_STR,
.cb = str_mem_cb,
- .help = "Backing type for IO buffers (malloc, shm, etc)",
+ .help = "Backing type for IO buffers",
.def = "malloc",
+ .posval = { "malloc", "shm", "shmhuge", "mmap", "mmaphuge", },
},
{
.name = "verify",
.type = FIO_OPT_STR,
.cb = str_verify_cb,
- .help = "Verify sum function (md5 or crc32)",
+ .help = "Verify sum function",
.def = "0",
+ .posval = { "crc32", "md5", },
},
{
.name = "write_iolog",
@@ -226,6 +232,7 @@
.type = FIO_OPT_INT,
.off1 = td_var_offset(nice),
.help = "Set job CPU nice value",
+ .minval = -19,
.maxval = 20,
.def = "0",
},
@@ -235,12 +242,16 @@
.type = FIO_OPT_INT,
.cb = str_prio_cb,
.help = "Set job IO priority value",
+ .minval = 0,
+ .maxval = 7,
},
{
.name = "prioclass",
.type = FIO_OPT_INT,
.cb = str_prioclass_cb,
.help = "Set job IO priority class",
+ .minval = 0,
+ .maxval = 3,
},
#endif
{