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authorTrond Myklebust <Trond.Myklebust@netapp.com>2010-04-16 16:22:52 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2010-05-14 15:09:27 -0400
commit987f8dfc9862f2c7b59594089793dedeebf0cf5e (patch)
tree2aa0d3687898edcf26b81770e356a90a3358f9df /fs/nfs
parent0ab64e0e147e45c07e33d344401cf898a6c181c0 (diff)
downloadlinux-987f8dfc9862f2c7b59594089793dedeebf0cf5e.tar.bz2
NFS: Reduce stack footprint of nfs_setattr()
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/inode.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index e64867eec895..2fe6657a5048 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -393,8 +393,8 @@ int
nfs_setattr(struct dentry *dentry, struct iattr *attr)
{
struct inode *inode = dentry->d_inode;
- struct nfs_fattr fattr;
- int error;
+ struct nfs_fattr *fattr;
+ int error = -ENOMEM;
nfs_inc_stats(inode, NFSIOS_VFSSETATTR);
@@ -417,14 +417,20 @@ nfs_setattr(struct dentry *dentry, struct iattr *attr)
filemap_write_and_wait(inode->i_mapping);
nfs_wb_all(inode);
}
+
+ fattr = nfs_alloc_fattr();
+ if (fattr == NULL)
+ goto out;
/*
* Return any delegations if we're going to change ACLs
*/
if ((attr->ia_valid & (ATTR_MODE|ATTR_UID|ATTR_GID)) != 0)
nfs_inode_return_delegation(inode);
- error = NFS_PROTO(inode)->setattr(dentry, &fattr, attr);
+ error = NFS_PROTO(inode)->setattr(dentry, fattr, attr);
if (error == 0)
- nfs_refresh_inode(inode, &fattr);
+ nfs_refresh_inode(inode, fattr);
+ nfs_free_fattr(fattr);
+out:
return error;
}