linux-kernel - [PATCH 33/37] NFS: nfs_readpage_async() needs to be accessible as a fallback for local caching [ver #34]

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Message-ID: <20080229004630.4142.7485.stgit@warthog.procyon.org.uk>
Date:	Fri, 29 Feb 2008 00:46:30 +0000
From:	David Howells <dhowells@...hat.com>
To:	Trond.Myklebust@...app.com, chuck.lever@...cle.com,
	casey@...aufler-ca.com
Cc:	nfsv4@...ux-nfs.org, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, selinux@...ho.nsa.gov,
	linux-security-module@...r.kernel.org, dhowells@...hat.com
Subject: [PATCH 33/37] NFS: nfs_readpage_async() needs to be accessible as a
	fallback for local caching [ver #34]

nfs_readpage_async() needs to be non-static so that it can be used as a
fallback for the local on-disk caching should an EIO crop up when reading the
cache.

Signed-off-by: David Howells <dhowells@...hat.com>
---

 fs/nfs/read.c          |    4 ++--
 include/linux/nfs_fs.h |    2 ++
 2 files changed, 4 insertions(+), 2 deletions(-)


diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 3d7d963..725a5a2 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -114,8 +114,8 @@ static void nfs_readpage_truncate_uninitialised_page(struct nfs_read_data *data)
 	}
 }
 
-static int nfs_readpage_async(struct nfs_open_context *ctx, struct inode *inode,
-		struct page *page)
+int nfs_readpage_async(struct nfs_open_context *ctx, struct inode *inode,
+		       struct page *page)
 {
 	LIST_HEAD(one_request);
 	struct nfs_page	*new;
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 3a41ff8..ee35412 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -506,6 +506,8 @@ extern int  nfs_readpages(struct file *, struct address_space *,
 		struct list_head *, unsigned);
 extern int  nfs_readpage_result(struct rpc_task *, struct nfs_read_data *);
 extern void nfs_readdata_release(void *data);
+extern int  nfs_readpage_async(struct nfs_open_context *, struct inode *,
+			       struct page *);
 
 /*
  * Allocate nfs_read_data structures

--
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