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NFS: Use cached page as buffer for NFS symlink requests

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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>
This commit is contained in:
Chuck Lever
2006-08-22 20:06:23 -04:00
committed by Trond Myklebust
parent 873101b337
commit 94a6d75320
8 changed files with 59 additions and 42 deletions
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14
fs/nfs/proc.c
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@@ -425,8 +425,8 @@ nfs_proc_link(struct inode *inode, struct inode *dir, struct qstr *name)
}
static int
nfs_proc_symlink(struct inode *dir, struct dentry *dentry, struct qstr *path,
struct iattr *sattr)
nfs_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page,
unsigned int len, struct iattr *sattr)
{
struct nfs_fh fhandle;
struct nfs_fattr fattr;
@@ -434,8 +434,8 @@ nfs_proc_symlink(struct inode *dir, struct dentry *dentry, struct qstr *path,
.fromfh = NFS_FH(dir),
.fromname = dentry->d_name.name,
.fromlen = dentry->d_name.len,
.topath = path->name,
.tolen = path->len,
.pages = &page,
.pathlen = len,
.sattr = sattr
};
struct rpc_message msg = {
@@ -444,11 +444,11 @@ nfs_proc_symlink(struct inode *dir, struct dentry *dentry, struct qstr *path,
};
int status;
if (path->len > NFS2_MAXPATHLEN)
if (len > NFS2_MAXPATHLEN)
return -ENAMETOOLONG;
dprintk("NFS call symlink %s -> %s\n", dentry->d_name.name,
path->name);
dprintk("NFS call symlink %s\n", dentry->d_name.name);
status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
nfs_mark_for_revalidate(dir);