diff options
| author | David Sterba <dsterba@suse.com> | 2016-12-08 19:21:28 +0100 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2016-12-14 15:06:36 +0100 |
| commit | b67e9a1b132c98a2e31df9e8ae79273a8531ba6f (patch) | |
| tree | 95ca7036539ac3ac28ff62cda3d0a08434417a32 /cmds-device.c | |
| parent | 01bafdbc90452a17a9de6095fcdf0a9adca98dd2 (diff) | |
btrfs-progs: docs: update dev stats help and manual page
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'cmds-device.c')
| -rw-r--r-- | cmds-device.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/cmds-device.c b/cmds-device.c index ba0e4368..3e053d9e 100644 --- a/cmds-device.c +++ b/cmds-device.c @@ -372,8 +372,10 @@ out: } static const char * const cmd_device_stats_usage[] = { - "btrfs device stats [-z] <path>|<device>", - "Show current device IO stats.", + "btrfs device stats [options] <path>|<device>", + "Show device IO error statistics", + "Show device IO error statistics for all devices of the given filesystem", + "identified by PATH or DEVICE. The filesystem must be mounted.", "", "-z|--reset show current stats and reset values to zero", "-s return non-zero if any stat counter is not zero", |