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| author | David Howells <dhowells@redhat.com> | 2012-12-05 13:34:46 +0000 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2012-12-20 22:08:05 +0000 |
| commit | 36a02de5d7981435931d4608ee3e510b752e072b (patch) | |
| tree | d0d8283ba3ab9bcb9224582677d8ec00ec987ef3 /include/linux/fscache-cache.h | |
| parent | b4cf1e08c8ac95eff65faa53904f7f13ac78194b (diff) | |
| download | linux-36a02de5d7981435931d4608ee3e510b752e072b.tar.gz linux-36a02de5d7981435931d4608ee3e510b752e072b.tar.bz2 linux-36a02de5d7981435931d4608ee3e510b752e072b.zip | |
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>
Diffstat (limited to 'include/linux/fscache-cache.h')
| -rw-r--r-- | include/linux/fscache-cache.h | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/include/linux/fscache-cache.h b/include/linux/fscache-cache.h index 1e454ad7a832..73e68c8d5df4 100644 --- a/include/linux/fscache-cache.h +++ b/include/linux/fscache-cache.h @@ -338,6 +338,23 @@ struct fscache_cookie { extern struct fscache_cookie fscache_fsdef_index; /* + * Event list for fscache_object::{event_mask,events} + */ +enum { + FSCACHE_OBJECT_EV_REQUEUE, /* T if object should be requeued */ + FSCACHE_OBJECT_EV_UPDATE, /* T if object should be updated */ + FSCACHE_OBJECT_EV_INVALIDATE, /* T if cache requested object invalidation */ + FSCACHE_OBJECT_EV_CLEARED, /* T if accessors all gone */ + FSCACHE_OBJECT_EV_ERROR, /* T if fatal error occurred during processing */ + FSCACHE_OBJECT_EV_RELEASE, /* T if netfs requested object release */ + FSCACHE_OBJECT_EV_RETIRE, /* T if netfs requested object retirement */ + FSCACHE_OBJECT_EV_WITHDRAW, /* T if cache requested object withdrawal */ + NR_FSCACHE_OBJECT_EVENTS +}; + +#define FSCACHE_OBJECT_EVENTS_MASK ((1UL << NR_FSCACHE_OBJECT_EVENTS) - 1) + +/* * on-disk cache file or index handle */ struct fscache_object { @@ -376,15 +393,6 @@ struct fscache_object { unsigned long event_mask; /* events this object is interested in */ unsigned long events; /* events to be processed by this object * (order is important - using fls) */ -#define FSCACHE_OBJECT_EV_REQUEUE 0 /* T if object should be requeued */ -#define FSCACHE_OBJECT_EV_UPDATE 1 /* T if object should be updated */ -#define FSCACHE_OBJECT_EV_CLEARED 2 /* T if accessors all gone */ -#define FSCACHE_OBJECT_EV_ERROR 3 /* T if fatal error occurred during processing */ -#define FSCACHE_OBJECT_EV_RELEASE 4 /* T if netfs requested object release */ -#define FSCACHE_OBJECT_EV_RETIRE 5 /* T if netfs requested object retirement */ -#define FSCACHE_OBJECT_EV_WITHDRAW 6 /* T if cache requested object withdrawal */ -#define FSCACHE_OBJECT_EV_INVALIDATE 7 /* T if cache requested object invalidation */ -#define FSCACHE_OBJECT_EVENTS_MASK 0xff /* mask of all events*/ unsigned long flags; #define FSCACHE_OBJECT_LOCK 0 /* T if object is busy being processed */ |