diff options
author | Ingo Molnar <mingo@kernel.org> | 2015-07-21 07:57:44 +0200 |
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committer | Ingo Molnar <mingo@kernel.org> | 2015-07-21 07:57:44 +0200 |
commit | f6a74a5e15df32f289837feeabf8c84829312b06 (patch) | |
tree | c8d16b12ef76c7a9e21693d1bad31f59f78436cd /Documentation/device-mapper | |
parent | 60cd37eb100c4880b28078a47f3062fac7572095 (diff) | |
parent | 9d634c410b07be7bf637ea03362d3ff132088fe3 (diff) |
Merge branch 'linus' into perf/core, to refresh the branch
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'Documentation/device-mapper')
-rw-r--r-- | Documentation/device-mapper/cache.txt | 6 | ||||
-rw-r--r-- | Documentation/device-mapper/thin-provisioning.txt | 9 |
2 files changed, 14 insertions, 1 deletions
diff --git a/Documentation/device-mapper/cache.txt b/Documentation/device-mapper/cache.txt index 82960cffbad3..785eab87aa71 100644 --- a/Documentation/device-mapper/cache.txt +++ b/Documentation/device-mapper/cache.txt @@ -258,6 +258,12 @@ cache metadata mode : ro if read-only, rw if read-write no further I/O will be permitted and the status will just contain the string 'Fail'. The userspace recovery tools should then be used. +needs_check : 'needs_check' if set, '-' if not set + A metadata operation has failed, resulting in the needs_check + flag being set in the metadata's superblock. The metadata + device must be deactivated and checked/repaired before the + cache can be made fully operational again. '-' indicates + needs_check is not set. Messages -------- diff --git a/Documentation/device-mapper/thin-provisioning.txt b/Documentation/device-mapper/thin-provisioning.txt index 4f67578b2954..1699a55b7b70 100644 --- a/Documentation/device-mapper/thin-provisioning.txt +++ b/Documentation/device-mapper/thin-provisioning.txt @@ -296,7 +296,7 @@ ii) Status underlying device. When this is enabled when loading the table, it can get disabled if the underlying device doesn't support it. - ro|rw + ro|rw|out_of_data_space If the pool encounters certain types of device failures it will drop into a read-only metadata mode in which no changes to the pool metadata (like allocating new blocks) are permitted. @@ -314,6 +314,13 @@ ii) Status module parameter can be used to change this timeout -- it defaults to 60 seconds but may be disabled using a value of 0. + needs_check + A metadata operation has failed, resulting in the needs_check + flag being set in the metadata's superblock. The metadata + device must be deactivated and checked/repaired before the + thin-pool can be made fully operational again. '-' indicates + needs_check is not set. + iii) Messages create_thin <dev id> |