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FS-Cache: Convert the object event ID #defines into an enum
Convert the fscache_object event IDs from #defines into an enum. Also add an extra label to the enum to carry the event count and redefine the event mask in terms of that. Signed-off-by: David Howells <dhowells@redhat.com>
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1 changed files with 17 additions and 9 deletions
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@ -337,6 +337,23 @@ struct fscache_cookie {
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extern struct fscache_cookie fscache_fsdef_index;
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extern struct fscache_cookie fscache_fsdef_index;
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/*
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* Event list for fscache_object::{event_mask,events}
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*/
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enum {
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FSCACHE_OBJECT_EV_REQUEUE, /* T if object should be requeued */
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FSCACHE_OBJECT_EV_UPDATE, /* T if object should be updated */
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FSCACHE_OBJECT_EV_INVALIDATE, /* T if cache requested object invalidation */
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FSCACHE_OBJECT_EV_CLEARED, /* T if accessors all gone */
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FSCACHE_OBJECT_EV_ERROR, /* T if fatal error occurred during processing */
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FSCACHE_OBJECT_EV_RELEASE, /* T if netfs requested object release */
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FSCACHE_OBJECT_EV_RETIRE, /* T if netfs requested object retirement */
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FSCACHE_OBJECT_EV_WITHDRAW, /* T if cache requested object withdrawal */
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NR_FSCACHE_OBJECT_EVENTS
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};
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#define FSCACHE_OBJECT_EVENTS_MASK ((1UL << NR_FSCACHE_OBJECT_EVENTS) - 1)
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/*
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/*
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* on-disk cache file or index handle
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* on-disk cache file or index handle
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*/
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*/
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@ -376,15 +393,6 @@ struct fscache_object {
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unsigned long event_mask; /* events this object is interested in */
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unsigned long event_mask; /* events this object is interested in */
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unsigned long events; /* events to be processed by this object
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unsigned long events; /* events to be processed by this object
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* (order is important - using fls) */
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* (order is important - using fls) */
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#define FSCACHE_OBJECT_EV_REQUEUE 0 /* T if object should be requeued */
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#define FSCACHE_OBJECT_EV_UPDATE 1 /* T if object should be updated */
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#define FSCACHE_OBJECT_EV_CLEARED 2 /* T if accessors all gone */
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#define FSCACHE_OBJECT_EV_ERROR 3 /* T if fatal error occurred during processing */
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#define FSCACHE_OBJECT_EV_RELEASE 4 /* T if netfs requested object release */
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#define FSCACHE_OBJECT_EV_RETIRE 5 /* T if netfs requested object retirement */
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#define FSCACHE_OBJECT_EV_WITHDRAW 6 /* T if cache requested object withdrawal */
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#define FSCACHE_OBJECT_EV_INVALIDATE 7 /* T if cache requested object invalidation */
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#define FSCACHE_OBJECT_EVENTS_MASK 0xff /* mask of all events*/
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unsigned long flags;
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unsigned long flags;
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#define FSCACHE_OBJECT_LOCK 0 /* T if object is busy being processed */
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#define FSCACHE_OBJECT_LOCK 0 /* T if object is busy being processed */
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