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authorTrond Myklebust <Trond.Myklebust@netapp.com>2008-01-22 17:13:07 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2008-01-30 02:05:24 -0500
commitacee478afc6ff7e1b8852d9a4dca1ff36021414d (patch)
tree94aa75336122b4914af0cfa91eaf1329b2c519d3 /include/linux
parent8b1f9ee56e21e505a3d5d3e33f823006d1abdbaf (diff)
downloadop-kernel-dev-acee478afc6ff7e1b8852d9a4dca1ff36021414d.zip
op-kernel-dev-acee478afc6ff7e1b8852d9a4dca1ff36021414d.tar.gz
NFS: Clean up the write request locking.
Ensure that we set/clear NFS_PAGE_TAG_LOCKED when the nfs_page is hashed. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/nfs_page.h13
1 files changed, 1 insertions, 12 deletions
diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h
index 30dbcc1..a1676e1 100644
--- a/include/linux/nfs_page.h
+++ b/include/linux/nfs_page.h
@@ -83,6 +83,7 @@ extern void nfs_pageio_complete(struct nfs_pageio_descriptor *desc);
extern void nfs_pageio_cond_complete(struct nfs_pageio_descriptor *, pgoff_t);
extern int nfs_wait_on_request(struct nfs_page *);
extern void nfs_unlock_request(struct nfs_page *req);
+extern int nfs_set_page_tag_locked(struct nfs_page *req);
extern void nfs_clear_page_tag_locked(struct nfs_page *req);
@@ -95,18 +96,6 @@ nfs_lock_request_dontget(struct nfs_page *req)
return !test_and_set_bit(PG_BUSY, &req->wb_flags);
}
-/*
- * Lock the page of an asynchronous request and take a reference
- */
-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;
-}
-
/**
* nfs_list_add_request - Insert a request into a list
* @req: request
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