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authorTrond Myklebust <trond.myklebust@fys.uio.no>2002-07-28 02:45:27 -0700
committerLinus Torvalds <torvalds@home.transmeta.com>2002-07-28 02:45:27 -0700
commit4fe70049be610ecee92c13b985a8925a4a49d68f (patch)
tree86f5ff69fb8bb2e2a654a5515cf8b7342542e40f
parent4102986dc24d6cbba19674098c817f415a746bab (diff)
[PATCH] Support for cached lookups via readdirplus [1/6]
Cleanup for the readdirplus code. Make struct nfs_entry take pointers to the filehandle and file attributes.
-rw-r--r--fs/nfs/dir.c13
-rw-r--r--fs/nfs/nfs3xdr.c12
-rw-r--r--include/linux/nfs_xdr.h4
3 files changed, 17 insertions, 12 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index c03054d0e721..a929bef49bdf 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -333,7 +333,8 @@ int uncached_readdir(nfs_readdir_descriptor_t *desc, void *dirent,
/* Reset read descriptor so it searches the page cache from
* the start upon the next call to readdir_search_pagecache() */
desc->page_index = 0;
- memset(desc->entry, 0, sizeof(*desc->entry));
+ desc->entry->cookie = desc->entry->prev_cookie = 0;
+ desc->entry->eof = 0;
out:
dfprintk(VFS, "NFS: uncached_readdir() returns %d\n", status);
return status;
@@ -352,6 +353,8 @@ static int nfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
nfs_readdir_descriptor_t my_desc,
*desc = &my_desc;
struct nfs_entry my_entry;
+ struct nfs_fh fh;
+ struct nfs_fattr fattr;
long res;
lock_kernel();
@@ -369,13 +372,17 @@ static int nfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
* itself.
*/
memset(desc, 0, sizeof(*desc));
- memset(&my_entry, 0, sizeof(my_entry));
desc->file = filp;
desc->target = filp->f_pos;
- desc->entry = &my_entry;
desc->decode = NFS_PROTO(inode)->decode_dirent;
+ my_entry.cookie = my_entry.prev_cookie = 0;
+ my_entry.eof = 0;
+ my_entry.fh = &fh;
+ my_entry.fattr = &fattr;
+ desc->entry = &my_entry;
+
while(!desc->entry->eof) {
res = readdir_search_pagecache(desc);
if (res == -EBADCOOKIE) {
diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c
index d25de78172ae..8a4f1051c692 100644
--- a/fs/nfs/nfs3xdr.c
+++ b/fs/nfs/nfs3xdr.c
@@ -603,21 +603,19 @@ nfs3_decode_dirent(u32 *p, struct nfs_entry *entry, int plus)
p = xdr_decode_hyper(p, &entry->cookie);
if (plus) {
- p = xdr_decode_post_op_attr(p, &entry->fattr);
+ entry->fattr->valid = 0;
+ p = xdr_decode_post_op_attr(p, entry->fattr);
/* In fact, a post_op_fh3: */
if (*p++) {
- p = xdr_decode_fhandle(p, &entry->fh);
+ p = xdr_decode_fhandle(p, entry->fh);
/* Ugh -- server reply was truncated */
if (p == NULL) {
dprintk("NFS: FH truncated\n");
*entry = old;
return ERR_PTR(-EAGAIN);
}
- } else {
- /* If we don't get a file handle, the attrs
- * aren't worth a lot. */
- entry->fattr.valid = 0;
- }
+ } else
+ memset((u8*)(entry->fh), 0, sizeof(*entry->fh));
}
entry->eof = !p[0] && p[1];
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 53ec9c0b94d0..2548bd6b85d9 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -109,8 +109,8 @@ struct nfs_entry {
const char * name;
unsigned int len;
int eof;
- struct nfs_fh fh;
- struct nfs_fattr fattr;
+ struct nfs_fh * fh;
+ struct nfs_fattr * fattr;
};
/*