NFS: Create custom NFS v4 write_inode() function
This gives pnfs a chance to do a layout commit inside the v4 code.
Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index a0be2d1a..3696ca7 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -202,6 +202,9 @@
extern const struct dentry_operations nfs4_dentry_operations;
extern const struct inode_operations nfs4_dir_inode_operations;
+/* write.c */
+int nfs4_write_inode(struct inode *, struct writeback_control *);
+
/* nfs4namespace.c */
rpc_authflavor_t nfs_find_best_sec(struct nfs4_secinfo_flavors *);
struct rpc_clnt *nfs4_create_sec_client(struct rpc_clnt *, struct inode *, struct qstr *);
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 5a1c860..9d33fb2 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -391,7 +391,7 @@
static const struct super_operations nfs4_sops = {
.alloc_inode = nfs_alloc_inode,
.destroy_inode = nfs_destroy_inode,
- .write_inode = nfs_write_inode,
+ .write_inode = nfs4_write_inode,
.put_super = nfs_put_super,
.statfs = nfs_statfs,
.evict_inode = nfs4_evict_inode,
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index c11fb00..f312860 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -1671,9 +1671,14 @@
int nfs_write_inode(struct inode *inode, struct writeback_control *wbc)
{
- int ret;
+ return nfs_commit_unstable_pages(inode, wbc);
+}
- ret = nfs_commit_unstable_pages(inode, wbc);
+#ifdef CONFIG_NFS_V4
+int nfs4_write_inode(struct inode *inode, struct writeback_control *wbc)
+{
+ int ret = nfs_write_inode(inode, wbc);
+
if (ret >= 0 && test_bit(NFS_INO_LAYOUTCOMMIT, &NFS_I(inode)->flags)) {
int status;
bool sync = true;
@@ -1687,6 +1692,7 @@
}
return ret;
}
+#endif
/*
* flush the inode to disk.