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authorChuck Lever <chuck.lever@oracle.com>2006-08-22 20:06:23 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-09-22 23:24:53 -0400
commit94a6d75320b3681e6e728b70e18bd186cb55e682 (patch)
tree0957071549d76ceb3857e419998818b11bce7269 /fs/nfs/nfs4proc.c
parent873101b33776780d32610fc4c90c7358a5e98f51 (diff)
downloadlinux-94a6d75320b3681e6e728b70e18bd186cb55e682.tar.bz2
NFS: Use cached page as buffer for NFS symlink requests
Now that we have a copy of the symlink path in the page cache, we can pass a struct page down to the XDR routines instead of a string buffer. Test plan: Connectathon, all NFS versions. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4proc.c')
-rw-r--r--fs/nfs/nfs4proc.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 2d18eac6bee5..7f60beb40df3 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2085,7 +2085,7 @@ static int nfs4_proc_link(struct inode *inode, struct inode *dir, struct qstr *n
}
static int _nfs4_proc_symlink(struct inode *dir, struct dentry *dentry,
- struct qstr *path, struct iattr *sattr)
+ struct page *page, unsigned int len, struct iattr *sattr)
{
struct nfs_server *server = NFS_SERVER(dir);
struct nfs_fh fhandle;
@@ -2111,10 +2111,11 @@ static int _nfs4_proc_symlink(struct inode *dir, struct dentry *dentry,
};
int status;
- if (path->len > NFS4_MAXPATHLEN)
+ if (len > NFS4_MAXPATHLEN)
return -ENAMETOOLONG;
- arg.u.symlink = path;
+ arg.u.symlink.pages = &page;
+ arg.u.symlink.len = len;
nfs_fattr_init(&fattr);
nfs_fattr_init(&dir_fattr);
@@ -2128,13 +2129,14 @@ static int _nfs4_proc_symlink(struct inode *dir, struct dentry *dentry,
}
static int nfs4_proc_symlink(struct inode *dir, struct dentry *dentry,
- struct qstr *path, struct iattr *sattr)
+ struct page *page, unsigned int len, struct iattr *sattr)
{
struct nfs4_exception exception = { };
int err;
do {
err = nfs4_handle_exception(NFS_SERVER(dir),
- _nfs4_proc_symlink(dir, dentry, path, sattr),
+ _nfs4_proc_symlink(dir, dentry, page,
+ len, sattr),
&exception);
} while (exception.retry);
return err;