dd: update usage text

1 files changed, 8 insertions, 4 deletions

diff --git a/include/usage.h b/include/usage.h
index 142d7c21b..dbe403d13 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -634,7 +634,7 @@
 
 #define dd_trivial_usage \
        "[if=FILE] [of=FILE] " USE_FEATURE_DD_IBS_OBS("[ibs=N] [obs=N] ") "[bs=N] [count=N] [skip=N]\n" \
-       "        [seek=N]" USE_FEATURE_DD_IBS_OBS(" [conv=notrunc|noerror|sync]")
+       "        [seek=N]" USE_FEATURE_DD_IBS_OBS(" [conv=notrunc|noerror|sync|fsync]")
 #define dd_full_usage \
        "Copy a file with converting and formatting\n" \
      "\nOptions:" \
@@ -642,16 +642,20 @@
      "\n        of=FILE         Write to FILE instead of stdout" \
      "\n        bs=N            Read and write N bytes at a time" \
         USE_FEATURE_DD_IBS_OBS( \
-     "\n        ibs=N           Read N bytes at a time") \
+     "\n        ibs=N           Read N bytes at a time" \
+        ) \
         USE_FEATURE_DD_IBS_OBS( \
-     "\n        obs=N           Write N bytes at a time") \
+     "\n        obs=N           Write N bytes at a time" \
+        ) \
      "\n        count=N         Copy only N input blocks" \
      "\n        skip=N          Skip N input blocks" \
      "\n        seek=N          Skip N output blocks" \
         USE_FEATURE_DD_IBS_OBS( \
      "\n        conv=notrunc    Don't truncate output file" \
      "\n        conv=noerror    Continue after read errors" \
-     "\n        conv=sync       Pad blocks with zeros") \
+     "\n        conv=sync       Pad blocks with zeros" \
+     "\n        conv=fsync      Physically write data out before finishing" \
+        ) \
      "\n" \
      "\nNumbers may be suffixed by c (x1), w (x2), b (x512), kD (x1000), k (x1024)," \
      "\nMD (x1000000), M (x1048576), GD (x1000000000) or G (x1073741824)" \