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authorTrond Myklebust <Trond.Myklebust@netapp.com>2005-10-18 14:20:19 -0700
committerTrond Myklebust <Trond.Myklebust@netapp.com>2005-10-18 14:20:19 -0700
commitcae7a073a4c5484cc5713eab606bf54b46724ab3 (patch)
treee5cdcf0376da5b04bca9bbbf8f226abe13f33275 /fs/nfs
parentcdce5d6b94b6182f6d8a5b7b52923933e98cbc92 (diff)
downloadop-kernel-dev-cae7a073a4c5484cc5713eab606bf54b46724ab3.zip
op-kernel-dev-cae7a073a4c5484cc5713eab606bf54b46724ab3.tar.gz
NFSv4: Return delegation upon rename or removal of file.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/delegation.c2
-rw-r--r--fs/nfs/delegation.h16
-rw-r--r--fs/nfs/dir.c3
-rw-r--r--fs/nfs/inode.c3
4 files changed, 20 insertions, 4 deletions
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index 4a36839..44135af 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -142,7 +142,7 @@ static void nfs_msync_inode(struct inode *inode)
/*
* Basic procedure for returning a delegation to the server
*/
-int nfs_inode_return_delegation(struct inode *inode)
+int __nfs_inode_return_delegation(struct inode *inode)
{
struct nfs4_client *clp = NFS_SERVER(inode)->nfs4_state;
struct nfs_inode *nfsi = NFS_I(inode);
diff --git a/fs/nfs/delegation.h b/fs/nfs/delegation.h
index 3f6c45a..8017846 100644
--- a/fs/nfs/delegation.h
+++ b/fs/nfs/delegation.h
@@ -25,7 +25,7 @@ struct nfs_delegation {
int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred, struct nfs_openres *res);
void nfs_inode_reclaim_delegation(struct inode *inode, struct rpc_cred *cred, struct nfs_openres *res);
-int nfs_inode_return_delegation(struct inode *inode);
+int __nfs_inode_return_delegation(struct inode *inode);
int nfs_async_inode_return_delegation(struct inode *inode, const nfs4_stateid *stateid);
struct inode *nfs_delegation_find_inode(struct nfs4_client *clp, const struct nfs_fh *fhandle);
@@ -47,11 +47,25 @@ static inline int nfs_have_delegation(struct inode *inode, int flags)
return 1;
return 0;
}
+
+static inline int nfs_inode_return_delegation(struct inode *inode)
+{
+ int err = 0;
+
+ if (NFS_I(inode)->delegation != NULL)
+ err = __nfs_inode_return_delegation(inode);
+ return err;
+}
#else
static inline int nfs_have_delegation(struct inode *inode, int flags)
{
return 0;
}
+
+static inline int nfs_inode_return_delegation(struct inode *inode)
+{
+ return 0;
+}
#endif
#endif
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index ac331d2..72f50c0 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -801,6 +801,7 @@ static int nfs_dentry_delete(struct dentry *dentry)
*/
static void nfs_dentry_iput(struct dentry *dentry, struct inode *inode)
{
+ nfs_inode_return_delegation(inode);
if (dentry->d_flags & DCACHE_NFSFS_RENAMED) {
lock_kernel();
inode->i_nlink--;
@@ -1329,6 +1330,7 @@ static int nfs_safe_remove(struct dentry *dentry)
nfs_begin_data_update(dir);
if (inode != NULL) {
+ nfs_inode_return_delegation(inode);
nfs_begin_data_update(inode);
error = NFS_PROTO(dir)->remove(dir, &dentry->d_name);
/* The VFS may want to delete this inode */
@@ -1547,6 +1549,7 @@ go_ahead:
nfs_wb_all(old_inode);
shrink_dcache_parent(old_dentry);
}
+ nfs_inode_return_delegation(old_inode);
if (new_inode)
d_delete(new_dentry);
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index d7abaa0..6b0f7fe 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -1671,8 +1671,7 @@ static void nfs4_clear_inode(struct inode *inode)
struct nfs_inode *nfsi = NFS_I(inode);
/* If we are holding a delegation, return it! */
- if (nfsi->delegation != NULL)
- nfs_inode_return_delegation(inode);
+ nfs_inode_return_delegation(inode);
/* First call standard NFS clear_inode() code */
nfs_clear_inode(inode);
/* Now clear out any remaining state */
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