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16 lines
436 B
16 lines
436 B
#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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