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authorDavid Howells <dhowells@redhat.com>2012-12-05 13:34:46 +0000
committerDavid Howells <dhowells@redhat.com>2012-12-20 22:08:05 +0000
commit36a02de5d7981435931d4608ee3e510b752e072b (patch)
treed0d8283ba3ab9bcb9224582677d8ec00ec987ef3 /include
parentb4cf1e08c8ac95eff65faa53904f7f13ac78194b (diff)
downloadvexpress-lsk-36a02de5d7981435931d4608ee3e510b752e072b.tar.gz
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')
-rw-r--r--include/linux/fscache-cache.h26
1 files changed, 17 insertions, 9 deletions
diff --git a/include/linux/fscache-cache.h b/include/linux/fscache-cache.h
index 1e454ad7a83..73e68c8d5df 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 */