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NFS: readdir with vmapped pages

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We can use vmapped pages to read more information from the network at once.
This will reduce the number of calls needed to complete a readdir.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
[trondmy: Added #include for linux/vmalloc.h> in fs/nfs/dir.c]
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Bryan Schumaker
2010-10-20 15:44:37 -04:00
committed by Trond Myklebust
parent afa8ccc978
commit 56e4ebf877
7 changed files with 71 additions and 23 deletions
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4
fs/nfs/nfs3proc.c
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@@ -630,7 +630,7 @@ out:
*/
static int
nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
u64 cookie, struct page *page, unsigned int count, int plus)
u64 cookie, struct page **pages, unsigned int count, int plus)
{
struct inode *dir = dentry->d_inode;
__be32 *verf = NFS_COOKIEVERF(dir);
@@ -640,7 +640,7 @@ nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
.verf = {verf[0], verf[1]},
.plus = plus,
.count = count,
.pages = &page
.pages = pages
};
struct nfs3_readdirres res = {
.verf = verf,