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Diffstat (limited to 'Documentation/slow-work.txt')
| -rw-r--r-- | Documentation/slow-work.txt | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/Documentation/slow-work.txt b/Documentation/slow-work.txt index c655c517fc6..2e384bd4dea 100644 --- a/Documentation/slow-work.txt +++ b/Documentation/slow-work.txt @@ -108,7 +108,17 @@ on the item, 0 otherwise. The items are reference counted, so there ought to be no need for a flush -operation. When all a module's slow work items have been processed, and the +operation. But as the reference counting is optional, means to cancel +existing work items are also included: + + cancel_slow_work(&myitem); + +can be used to cancel pending work. The above cancel function waits for +existing work to have been executed (or prevent execution of them, depending +on timing). + + +When all a module's slow work items have been processed, and the module has no further interest in the facility, it should unregister its interest: |