X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;ds=sidebyside;f=options.c;h=5886c505b58f2466de4356a123a403ea6dcd01b2;hb=9bae252254d0ce37a144cb4c8d2cb4222d539a9e;hp=dae84138eb827ecef4fa0e77c89894637ed2c206;hpb=2b9136a34158e891091488bbf5799558c2534639;p=fio.git

diff --git a/options.c b/options.c
index dae84138..5886c505 100644
--- a/options.c
+++ b/options.c
@@ -1883,6 +1883,7 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
 		.lname	= "IO Size",
 		.type	= FIO_OPT_STR_VAL,
 		.off1	= offsetof(struct thread_options, io_limit),
+		.help	= "Total size of I/O to be performed",
 		.interval = 1024 * 1024,
 		.category = FIO_OPT_C_IO,
 		.group	= FIO_OPT_G_INVALID,
@@ -2646,6 +2647,10 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
 			    .oval = VERIFY_CRC32C,
 			    .help = "Use crc32c checksums for verification (hw assisted, if available)",
 			  },
+			  { .ival = "crc32c-arm64",
+			    .oval = VERIFY_CRC32C,
+			    .help = "Use crc32c checksums for verification (hw assisted, if available)",
+			  },
 			  { .ival = "crc32c",
 			    .oval = VERIFY_CRC32C,
 			    .help = "Use crc32c checksums for verification (hw assisted, if available)",
@@ -2885,7 +2890,7 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
 		.off1	= offsetof(struct thread_options, trim_percentage),
 		.minval = 0,
 		.maxval = 100,
-		.help	= "Number of verify blocks to discard/trim",
+		.help	= "Number of verify blocks to trim (i.e., discard)",
 		.parent	= "verify",
 		.def	= "0",
 		.interval = 1,
@@ -2897,7 +2902,7 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
 		.name	= "trim_verify_zero",
 		.lname	= "Verify trim zero",
 		.type	= FIO_OPT_BOOL,
-		.help	= "Verify that trim/discarded blocks are returned as zeroes",
+		.help	= "Verify that trimmed (i.e., discarded) blocks are returned as zeroes",
 		.off1	= offsetof(struct thread_options, trim_zero),
 		.parent	= "trim_percentage",
 		.hide	= 1,
@@ -4180,20 +4185,20 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
 		.posval = {
 			  { .ival = "1024",
 			    .oval = 1024,
-			    .help = "Use 1024 as the K base",
+			    .help = "Inputs invert IEC and SI prefixes (for compatibility); outputs prefer binary",
 			  },
 			  { .ival = "1000",
 			    .oval = 1000,
-			    .help = "Use 1000 as the K base",
+			    .help = "Inputs use IEC and SI prefixes; outputs prefer SI",
 			  },
 		},
-		.help	= "How many bytes per KB for reporting (1000 or 1024)",
+		.help	= "Unit prefix interpretation for quantities of data (IEC and SI)",
 		.category = FIO_OPT_C_GENERAL,
 		.group	= FIO_OPT_G_INVALID,
 	},
 	{
 		.name	= "unit_base",
-		.lname	= "Base unit for reporting (Bits or Bytes)",
+		.lname	= "Unit for quantities of data (Bits or Bytes)",
 		.type	= FIO_OPT_INT,
 		.off1	= offsetof(struct thread_options, unit_base),
 		.prio	= 1,