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authorDavid Sterba <dsterba@suse.com>2015-08-25 17:30:37 +0200
committerDavid Sterba <dsterba@suse.com>2015-08-31 19:25:12 +0200
commit25ff5e53e084bd3cf3d3a8b0448cd4ee512b41a4 (patch)
tree2db90b29947c4b1d0a9099139c83b3c63a1bf303 /cmds-device.c
parentcc31e6cf507a4a6cf19265e63d9be1acdd3111a9 (diff)
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btrfs-progs: update help for device stats
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'cmds-device.c')
-rw-r--r--cmds-device.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/cmds-device.c b/cmds-device.c
index 458c088..cbb6b61 100644
--- a/cmds-device.c
+++ b/cmds-device.c
@@ -349,7 +349,9 @@ out:
static const char * const cmd_device_stats_usage[] = {
"btrfs device stats [-z] <path>|<device>",
- "Show current device IO stats. -z to reset stats afterwards.",
+ "Show current device IO stats.",
+ "",
+ "-z show current stats and reset values to zero",
NULL
};