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authorTrond Myklebust <Trond.Myklebust@netapp.com>2010-04-16 16:22:50 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2010-05-14 15:09:26 -0400
commitd346890bea062d697e24fb4e34591428021ad011 (patch)
tree9d644b18500a146c51c6e0d2f68bdb636f67fa11 /fs
parent3b14d6542d7efbec614277d1cd7d6f5b5a2be9ca (diff)
downloadlinux-stericsson-d346890bea062d697e24fb4e34591428021ad011.tar.gz
NFS: Reduce stack footprint of nfs_proc_remove()
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfs/nfs3proc.c13
-rw-r--r--fs/nfs/nfs3xdr.c2
-rw-r--r--fs/nfs/nfs4proc.c13
-rw-r--r--fs/nfs/nfs4xdr.c2
-rw-r--r--fs/nfs/unlink.c4
5 files changed, 23 insertions, 11 deletions
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index 088dceb513b8..80378d1283cb 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -406,12 +406,17 @@ nfs3_proc_remove(struct inode *dir, struct qstr *name)
.rpc_argp = &arg,
.rpc_resp = &res,
};
- int status;
+ int status = -ENOMEM;
dprintk("NFS call remove %s\n", name->name);
- nfs_fattr_init(&res.dir_attr);
+ res.dir_attr = nfs_alloc_fattr();
+ if (res.dir_attr == NULL)
+ goto out;
+
status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
- nfs_post_op_update_inode(dir, &res.dir_attr);
+ nfs_post_op_update_inode(dir, res.dir_attr);
+ nfs_free_fattr(res.dir_attr);
+out:
dprintk("NFS reply remove: %d\n", status);
return status;
}
@@ -429,7 +434,7 @@ nfs3_proc_unlink_done(struct rpc_task *task, struct inode *dir)
if (nfs3_async_handle_jukebox(task, dir))
return 0;
res = task->tk_msg.rpc_resp;
- nfs_post_op_update_inode(dir, &res->dir_attr);
+ nfs_post_op_update_inode(dir, res->dir_attr);
return 1;
}
diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c
index 56a86f6ac8b5..75dcfc7da365 100644
--- a/fs/nfs/nfs3xdr.c
+++ b/fs/nfs/nfs3xdr.c
@@ -762,7 +762,7 @@ nfs3_xdr_wccstat(struct rpc_rqst *req, __be32 *p, struct nfs_fattr *fattr)
static int
nfs3_xdr_removeres(struct rpc_rqst *req, __be32 *p, struct nfs_removeres *res)
{
- return nfs3_xdr_wccstat(req, p, &res->dir_attr);
+ return nfs3_xdr_wccstat(req, p, res->dir_attr);
}
/*
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 0ffd4cfd3b1f..d0cb6e163320 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2599,14 +2599,19 @@ static int _nfs4_proc_remove(struct inode *dir, struct qstr *name)
.rpc_argp = &args,
.rpc_resp = &res,
};
- int status;
+ int status = -ENOMEM;
+
+ res.dir_attr = nfs_alloc_fattr();
+ if (res.dir_attr == NULL)
+ goto out;
- nfs_fattr_init(&res.dir_attr);
status = nfs4_call_sync(server, &msg, &args, &res, 1);
if (status == 0) {
update_changeattr(dir, &res.cinfo);
- nfs_post_op_update_inode(dir, &res.dir_attr);
+ nfs_post_op_update_inode(dir, res.dir_attr);
}
+ nfs_free_fattr(res.dir_attr);
+out:
return status;
}
@@ -2641,7 +2646,7 @@ static int nfs4_proc_unlink_done(struct rpc_task *task, struct inode *dir)
if (nfs4_async_handle_error(task, res->server, NULL) == -EAGAIN)
return 0;
update_changeattr(dir, &res->cinfo);
- nfs_post_op_update_inode(dir, &res->dir_attr);
+ nfs_post_op_update_inode(dir, res->dir_attr);
return 1;
}
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 38f3b582e7c2..890580642dc0 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -4815,7 +4815,7 @@ static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, __be32 *p, struct nfs_rem
goto out;
if ((status = decode_remove(&xdr, &res->cinfo)) != 0)
goto out;
- decode_getfattr(&xdr, &res->dir_attr, res->server,
+ decode_getfattr(&xdr, res->dir_attr, res->server,
!RPC_IS_ASYNC(rqstp->rq_task));
out:
return status;
diff --git a/fs/nfs/unlink.c b/fs/nfs/unlink.c
index 6da3d3ff6edd..a2242af6a17d 100644
--- a/fs/nfs/unlink.c
+++ b/fs/nfs/unlink.c
@@ -23,6 +23,7 @@ struct nfs_unlinkdata {
struct nfs_removeres res;
struct inode *dir;
struct rpc_cred *cred;
+ struct nfs_fattr dir_attr;
};
/**
@@ -169,7 +170,7 @@ static int nfs_do_call_unlink(struct dentry *parent, struct inode *dir, struct n
}
nfs_sb_active(dir->i_sb);
data->args.fh = NFS_FH(dir);
- nfs_fattr_init(&data->res.dir_attr);
+ nfs_fattr_init(data->res.dir_attr);
NFS_PROTO(dir)->unlink_setup(&msg, dir);
@@ -259,6 +260,7 @@ nfs_async_unlink(struct inode *dir, struct dentry *dentry)
goto out_free;
}
data->res.seq_res.sr_slotid = NFS4_MAX_SLOT_TABLE;
+ data->res.dir_attr = &data->dir_attr;
status = -EBUSY;
spin_lock(&dentry->d_lock);