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authorTrond Myklebust <Trond.Myklebust@netapp.com>2012-05-06 19:34:17 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-05-08 12:53:21 -0400
commitc57d1bc5e043dbb5ba82ded07003d71a8033d899 (patch)
treed56f455d3b2fbe8d7b52ac047f299bba67bef138 /fs
parent14546c337588370dced50dcaf43398939be9829e (diff)
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NFS: nfs_inode_return_delegation() should always flush dirty data
The assumption is that if you are in a situation where you need to return the delegation, then you should probably stop caching the data anyway. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfs/delegation.c6
-rw-r--r--fs/nfs/delegation.h1
2 files changed, 6 insertions, 1 deletions
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index 89af1d269274..a19cb5ad6b13 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -380,6 +380,10 @@ void nfs_inode_return_delegation_noreclaim(struct inode *inode)
* nfs_inode_return_delegation - synchronously return a delegation
* @inode: inode to process
*
+ * This routine will always flush any dirty data to disk on the
+ * assumption that if we need to return the delegation, then
+ * we should stop caching.
+ *
* Returns zero on success, or a negative errno value.
*/
int nfs_inode_return_delegation(struct inode *inode)
@@ -389,10 +393,10 @@ int nfs_inode_return_delegation(struct inode *inode)
struct nfs_delegation *delegation;
int err = 0;
+ nfs_wb_all(inode);
if (rcu_access_pointer(nfsi->delegation) != NULL) {
delegation = nfs_detach_delegation(nfsi, server);
if (delegation != NULL) {
- nfs_wb_all(inode);
err = __nfs_inode_return_delegation(inode, delegation, 1);
}
}
diff --git a/fs/nfs/delegation.h b/fs/nfs/delegation.h
index cd6a7a8dadae..72709c4193fa 100644
--- a/fs/nfs/delegation.h
+++ b/fs/nfs/delegation.h
@@ -66,6 +66,7 @@ static inline int nfs_have_delegation(struct inode *inode, fmode_t flags)
static inline int nfs_inode_return_delegation(struct inode *inode)
{
+ nfs_wb_all(inode);
return 0;
}
#endif