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authorTrond Myklebust <Trond.Myklebust@netapp.com>2005-06-22 21:16:39 +0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2005-06-23 00:07:44 +0400
commiteadf4598e7ec37a234e70e965bd335860e58bda4 (patch)
treed82bd76e553a4165a972b1ad93d1e1d8ddb017bb /fs/nfs
parent6ebf3656fd18430d90fbb3199b31d08178c37134 (diff)
downloadlinux-eadf4598e7ec37a234e70e965bd335860e58bda4.tar.xz
[PATCH] NFS: Add debugging code to NFSv4 readdir
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/nfs4proc.c5
-rw-r--r--fs/nfs/nfs4xdr.c18
2 files changed, 23 insertions, 0 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 0ddc20102d46..1b76f80aedb9 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1722,6 +1722,10 @@ static int _nfs4_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
};
int status;
+ dprintk("%s: dentry = %s/%s, cookie = %Lu\n", __FUNCTION__,
+ dentry->d_parent->d_name.name,
+ dentry->d_name.name,
+ (unsigned long long)cookie);
lock_kernel();
nfs4_setup_readdir(cookie, NFS_COOKIEVERF(dir), dentry, &args);
res.pgbase = args.pgbase;
@@ -1729,6 +1733,7 @@ static int _nfs4_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
if (status == 0)
memcpy(NFS_COOKIEVERF(dir), res.verifier.data, NFS4_VERIFIER_SIZE);
unlock_kernel();
+ dprintk("%s: returns %d\n", __FUNCTION__, status);
return status;
}
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 577b4429c8f6..6c564ef9489e 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -1035,6 +1035,13 @@ static int encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg
attrs[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID;
WRITE32(attrs[0] & readdir->bitmask[0]);
WRITE32(attrs[1] & readdir->bitmask[1]);
+ dprintk("%s: cookie = %Lu, verifier = 0x%x%x, bitmap = 0x%x%x\n",
+ __FUNCTION__,
+ (unsigned long long)readdir->cookie,
+ ((u32 *)readdir->verifier.data)[0],
+ ((u32 *)readdir->verifier.data)[1],
+ attrs[0] & readdir->bitmask[0],
+ attrs[1] & readdir->bitmask[1]);
/* set up reply kvec
* toplevel_status + taglen + rescount + OP_PUTFH + status
@@ -1043,6 +1050,9 @@ static int encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg
replen = (RPC_REPHDRSIZE + auth->au_rslack + 9) << 2;
xdr_inline_pages(&req->rq_rcv_buf, replen, readdir->pages,
readdir->pgbase, readdir->count);
+ dprintk("%s: inlined page args = (%u, %p, %u, %u)\n",
+ __FUNCTION__, replen, readdir->pages,
+ readdir->pgbase, readdir->count);
return 0;
}
@@ -3066,6 +3076,11 @@ static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct n
return status;
READ_BUF(8);
COPYMEM(readdir->verifier.data, 8);
+ dprintk("%s: verifier = 0x%x%x\n",
+ __FUNCTION__,
+ ((u32 *)readdir->verifier.data)[0],
+ ((u32 *)readdir->verifier.data)[1]);
+
hdrlen = (char *) p - (char *) iov->iov_base;
recvd = rcvbuf->len - hdrlen;
@@ -3080,12 +3095,14 @@ static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct n
for (nr = 0; *p++; nr++) {
if (p + 3 > end)
goto short_pkt;
+ dprintk("cookie = %Lu, ", *((unsigned long long *)p));
p += 2; /* cookie */
len = ntohl(*p++); /* filename length */
if (len > NFS4_MAXNAMLEN) {
printk(KERN_WARNING "NFS: giant filename in readdir (len 0x%x)\n", len);
goto err_unmap;
}
+ dprintk("filename = %*s\n", len, (char *)p);
p += XDR_QUADLEN(len);
if (p + 1 > end)
goto short_pkt;
@@ -3105,6 +3122,7 @@ out:
kunmap_atomic(kaddr, KM_USER0);
return 0;
short_pkt:
+ dprintk("%s: short packet at entry %d\n", __FUNCTION__, nr);
entry[0] = entry[1] = 0;
/* truncate listing ? */
if (!nr) {