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maguangyao
17 lines
436 B
C
17 lines
436 B
C
#ifndef MIGRATE_MODE_H_INCLUDED
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#define MIGRATE_MODE_H_INCLUDED
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/*
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* MIGRATE_ASYNC means never block
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* MIGRATE_SYNC_LIGHT in the current implementation means to allow blocking
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* on most operations but not ->writepage as the potential stall time
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* is too significant
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* MIGRATE_SYNC will block when migrating pages
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*/
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enum migrate_mode {
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MIGRATE_ASYNC,
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MIGRATE_SYNC_LIGHT,
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MIGRATE_SYNC,
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};
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#endif /* MIGRATE_MODE_H_INCLUDED */
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