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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 15:09:25 -0400
commit3b14d6542d7efbec614277d1cd7d6f5b5a2be9ca (patch)
tree9813c08c5e85a4f435997125a9ec9fc6eef9d68f /fs/nfs/nfs3proc.c
parent136f2627c932da5835e67e464e191d8c43c3f3fd (diff)
downloadop-kernel-dev-3b14d6542d7efbec614277d1cd7d6f5b5a2be9ca.zip
op-kernel-dev-3b14d6542d7efbec614277d1cd7d6f5b5a2be9ca.tar.gz
NFS: Reduce stack footprint of nfs3_proc_readlink()
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs3proc.c')
-rw-r--r--fs/nfs/nfs3proc.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index 982a81b..088dceb 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -234,7 +234,7 @@ out:
static int nfs3_proc_readlink(struct inode *inode, struct page *page,
unsigned int pgbase, unsigned int pglen)
{
- struct nfs_fattr fattr;
+ struct nfs_fattr *fattr;
struct nfs3_readlinkargs args = {
.fh = NFS_FH(inode),
.pgbase = pgbase,
@@ -244,14 +244,19 @@ static int nfs3_proc_readlink(struct inode *inode, struct page *page,
struct rpc_message msg = {
.rpc_proc = &nfs3_procedures[NFS3PROC_READLINK],
.rpc_argp = &args,
- .rpc_resp = &fattr,
};
- int status;
+ int status = -ENOMEM;
dprintk("NFS call readlink\n");
- nfs_fattr_init(&fattr);
+ fattr = nfs_alloc_fattr();
+ if (fattr == NULL)
+ goto out;
+ msg.rpc_resp = fattr;
+
status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
- nfs_refresh_inode(inode, &fattr);
+ nfs_refresh_inode(inode, fattr);
+ nfs_free_fattr(fattr);
+out:
dprintk("NFS reply readlink: %d\n", status);
return status;
}
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