From 153bbb93ec7de97ad9d2c8dd1bc5d2141623f17a Mon Sep 17 00:00:00 2001 From: Chen Hanxiao Date: Wed, 1 Apr 2015 03:52:57 -0400 Subject: btrfs-progs doc: emphasis that only mounted device works for btrfs device stats We provided format | in command line. But btrfs device stats doesn't work if device is not mounted. Also fix some tailing whitespace. Signed-off-by: Chen Hanxiao Signed-off-by: David Sterba --- Documentation/btrfs-device.txt | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'Documentation') diff --git a/Documentation/btrfs-device.txt b/Documentation/btrfs-device.txt index 66be6b34..075ccc5a 100644 --- a/Documentation/btrfs-device.txt +++ b/Documentation/btrfs-device.txt @@ -83,14 +83,14 @@ Check device to see if it has all of it's devices in cache for mounting. *scan* [(--all-devices|-d)| [...]]:: Scan devices for a btrfs filesystem. + -If one or more devices are passed, these are scanned for a btrfs filesystem. +If one or more devices are passed, these are scanned for a btrfs filesystem. If no devices are passed, btrfs uses block devices containing btrfs filesystem as listed by blkid. -Finally, if '--all-devices' or '-d' is passed, all the devices under /dev are +Finally, if '--all-devices' or '-d' is passed, all the devices under /dev are scanned. *stats* [-z] |:: -Read and print the device IO stats for all devices of the filesystem +Read and print the device IO stats for all mounted devices of the filesystem identified by or for a single . + `Options` -- cgit v1.2.3