diff options
Diffstat (limited to 'Documentation/device-mapper/thin-provisioning.txt')
| -rw-r--r-- | Documentation/device-mapper/thin-provisioning.txt | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Documentation/device-mapper/thin-provisioning.txt b/Documentation/device-mapper/thin-provisioning.txt index b8a57b9cec19..883e7ca5f745 100644 --- a/Documentation/device-mapper/thin-provisioning.txt +++ b/Documentation/device-mapper/thin-provisioning.txt @@ -281,7 +281,7 @@ ii) Status <transaction id> <used metadata blocks>/<total metadata blocks> <used data blocks>/<total data blocks> <held metadata root> ro|rw|out_of_data_space [no_]discard_passdown [error|queue]_if_no_space - needs_check|- + needs_check|- metadata_low_watermark transaction id: A 64-bit number used by userspace to help synchronise with metadata @@ -328,6 +328,11 @@ ii) Status thin-pool can be made fully operational again. '-' indicates needs_check is not set. + metadata_low_watermark: + Value of metadata low watermark in blocks. The kernel sets this + value internally but userspace needs to know this value to + determine if an event was caused by crossing this threshold. + iii) Messages create_thin <dev id> |