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authorTrond Myklebust <Trond.Myklebust@netapp.com>2012-05-09 21:19:15 +0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-05-09 23:17:34 +0400
commit7ad84aa9448571678c243f0c5ef383fbe5b50f4f (patch)
tree7d2baea4ff52fe62b23bf8adbb81a824ee768938 /include/linux/nfs_page.h
parentd1182b33ed9b62470cb6ab892a8a301542120086 (diff)
downloadlinux-7ad84aa9448571678c243f0c5ef383fbe5b50f4f.tar.xz
NFS: Clean up - simplify nfs_lock_request()
We only have two places where we need to grab a reference when trying to lock the nfs_page. We're better off making that explicit. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: Fred Isaman <iisaman@netapp.com>
Diffstat (limited to 'include/linux/nfs_page.h')
-rw-r--r--include/linux/nfs_page.h14
1 files changed, 2 insertions, 12 deletions
diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h
index ef7504215446..263f30a5e10d 100644
--- a/include/linux/nfs_page.h
+++ b/include/linux/nfs_page.h
@@ -99,24 +99,14 @@ extern void nfs_unlock_request(struct nfs_page *req);
extern void nfs_unlock_request_dont_release(struct nfs_page *req);
/*
- * Lock the page of an asynchronous request without getting a new reference
+ * Lock the page of an asynchronous request
*/
static inline int
-nfs_lock_request_dontget(struct nfs_page *req)
-{
- return !test_and_set_bit(PG_BUSY, &req->wb_flags);
-}
-
-static inline int
nfs_lock_request(struct nfs_page *req)
{
- if (test_and_set_bit(PG_BUSY, &req->wb_flags))
- return 0;
- kref_get(&req->wb_kref);
- return 1;
+ return !test_and_set_bit(PG_BUSY, &req->wb_flags);
}
-
/**
* nfs_list_add_request - Insert a request into a list
* @req: request