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| author | Ingo Molnar <mingo@kernel.org> | 2018-02-21 09:57:55 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-02-21 09:57:55 +0100 |
| commit | 862e6e2a609197f41bc04420b31ff122be9f870f (patch) | |
| tree | 216db312f37d0eb5ea2e6cb3ab742f97e83ea7ff /Documentation/device-mapper/snapshot.txt | |
| parent | a1ea544fe0911492b9f8d101bcbf46cc8c47fbc5 (diff) | |
| parent | 91ab883eb21325ad80f3473633f794c78ac87f51 (diff) | |
Merge tag 'v4.16-rc2' into locking/core, to refresh the branch
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'Documentation/device-mapper/snapshot.txt')
| -rw-r--r-- | Documentation/device-mapper/snapshot.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/device-mapper/snapshot.txt b/Documentation/device-mapper/snapshot.txt index ad6949bff2e3..b8bbb516f989 100644 --- a/Documentation/device-mapper/snapshot.txt +++ b/Documentation/device-mapper/snapshot.txt @@ -49,6 +49,10 @@ The difference between persistent and transient is with transient snapshots less metadata must be saved on disk - they can be kept in memory by the kernel. +When loading or unloading the snapshot target, the corresponding +snapshot-origin or snapshot-merge target must be suspended. A failure to +suspend the origin target could result in data corruption. + * snapshot-merge <origin> <COW device> <persistent> <chunksize> |