diff options
| author | David Sterba <dsterba@suse.com> | 2017-07-17 17:58:50 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2017-07-20 17:43:43 +0200 |
| commit | dbcbcd3bcae89f609e11100e48c2b398d908340c (patch) | |
| tree | 2574f8cb87f19eac41b59a49d90e13cde63d7ca7 /Documentation/btrfs-device.asciidoc | |
| parent | 167773166083815ce462678a9446cf9371a402be (diff) | |
btrfs-progs: docs: enhance documentation of 'btrfs device ready'
There were questions raised about the purpose of the 'dev ready'
command.
Link: https://marc.info/?l=linux-btrfs&m=149944574207325
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'Documentation/btrfs-device.asciidoc')
| -rw-r--r-- | Documentation/btrfs-device.asciidoc | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/Documentation/btrfs-device.asciidoc b/Documentation/btrfs-device.asciidoc index 5e5aed61..88822ece 100644 --- a/Documentation/btrfs-device.asciidoc +++ b/Documentation/btrfs-device.asciidoc @@ -80,8 +80,11 @@ lowest device id. Alias of remove kept for backward compatibility *ready* <device>:: -Wait until all devices of a multiple-device filesystem are scanned and registered -within the kernel module. +Wait until all devices of a multiple-device filesystem are scanned and +registered within the kernel module. This is to provide a way for automatic +filesystem mounting tools to wait before the mount can start. The device scan +is only one of the preconditions and the mount can fail for other reasons. +Normal users usually do not need this command and may safely ignore it. *scan* [(--all-devices|-d)|<device> [<device>...]]:: Scan devices for a btrfs filesystem and register them with the kernel module. |