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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-04-16 16:22:48 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-05-14 15:09:24 -0400 |
| commit | c407d41a1612aa487f5a9cb5338ed7dc60fe1da2 (patch) | |
| tree | c5ad78292ca176a223bf9ea71703a5a372118f8c /fs/nfs/nfs3proc.c | |
| parent | 4f727296d2428b60138793a0a1207a4085eacf99 (diff) | |
| download | linux-c407d41a1612aa487f5a9cb5338ed7dc60fe1da2.tar.bz2 | |
NFSv4: Reduce stack footprint of nfs4_proc_access() and nfs3_proc_access()
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs3proc.c')
| -rw-r--r-- | fs/nfs/nfs3proc.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c index 72334c19d481..9d5d02f02515 100644 --- a/fs/nfs/nfs3proc.c +++ b/fs/nfs/nfs3proc.c @@ -181,13 +181,10 @@ nfs3_proc_lookup(struct inode *dir, struct qstr *name, static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry) { - struct nfs_fattr fattr; struct nfs3_accessargs arg = { .fh = NFS_FH(inode), }; - struct nfs3_accessres res = { - .fattr = &fattr, - }; + struct nfs3_accessres res; struct rpc_message msg = { .rpc_proc = &nfs3_procedures[NFS3PROC_ACCESS], .rpc_argp = &arg, @@ -195,7 +192,7 @@ static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry) .rpc_cred = entry->cred, }; int mode = entry->mask; - int status; + int status = -ENOMEM; dprintk("NFS call access\n"); @@ -212,9 +209,13 @@ static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry) if (mode & MAY_EXEC) arg.access |= NFS3_ACCESS_EXECUTE; } - nfs_fattr_init(&fattr); + + res.fattr = nfs_alloc_fattr(); + if (res.fattr == NULL) + goto out; + status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); - nfs_refresh_inode(inode, &fattr); + nfs_refresh_inode(inode, res.fattr); if (status == 0) { entry->mask = 0; if (res.access & NFS3_ACCESS_READ) @@ -224,6 +225,8 @@ static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry) if (res.access & (NFS3_ACCESS_LOOKUP|NFS3_ACCESS_EXECUTE)) entry->mask |= MAY_EXEC; } + nfs_free_fattr(res.fattr); +out: dprintk("NFS reply access: %d\n", status); return status; } |