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authorTrond Myklebust <Trond.Myklebust@netapp.com>2012-01-17 22:04:24 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-01-31 18:20:28 -0500
commit9157c31dd610a127bc6f01bc1953cf8b80382040 (patch)
tree0552a17b2f047da4240a62d06b9fe58b162bad35 /include/linux/nfs_fs_sb.h
parentd1e284d50a1506aab8ad7895f31b5f93b5647fc9 (diff)
NFSv4: Replace state_owner->so_owner_id with an ida based allocator
We're unlikely to ever need more than 2^31 simultaneous open owners, so let's replace the custom allocator with the generic ida allocator. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include/linux/nfs_fs_sb.h')
-rw-r--r--include/linux/nfs_fs_sb.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index e0863d35f75..645537e18bd 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -3,6 +3,7 @@
#include <linux/list.h>
#include <linux/backing-dev.h>
+#include <linux/idr.h>
#include <linux/wait.h>
#include <linux/nfs_xdr.h>
#include <linux/sunrpc/xprt.h>
@@ -151,9 +152,9 @@ struct nfs_server {
/* the following fields are protected by nfs_client->cl_lock */
struct rb_root state_owners;
- struct rb_root openowner_id;
struct rb_root lockowner_id;
#endif
+ struct ida openowner_id;
struct list_head state_owners_lru;
struct list_head layouts;
struct list_head delegations;