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NFS: Reduce stack footprint of nfs3_proc_readlink()

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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2010-04-16 16:22:50 -04:00
parent 136f2627c9
commit 3b14d6542d
1 changed files with 10 additions and 5 deletions
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15
fs/nfs/nfs3proc.c
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@ -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;
}