2017-06-16 16:12:48

by Anna Schumaker

[permalink] [raw]
Subject: [PATCH] NFS: Set FATTR4_WORD0_TYPE for . and .. entries

From: Anna Schumaker <[email protected]>

The current code worked okay for getdents(), but getdents64() expects
the d_type field to get filled out properly in the stat structure.
Setting this field fixes xfstests generic/401.

Signed-off-by: Anna Schumaker <[email protected]>
---
fs/nfs/nfs4proc.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index c08c46a3b8cd..735b3068a2d1 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -275,6 +275,7 @@ const u32 nfs4_fs_locations_bitmap[3] = {
static void nfs4_setup_readdir(u64 cookie, __be32 *verifier, struct dentry *dentry,
struct nfs4_readdir_arg *readdir)
{
+ unsigned int attrs = FATTR4_WORD0_FILEID | FATTR4_WORD0_TYPE;
__be32 *start, *p;

if (cookie > 2) {
@@ -305,8 +306,9 @@ static void nfs4_setup_readdir(u64 cookie, __be32 *verifier, struct dentry *dent
memcpy(p, ".\0\0\0", 4); /* entry */
p++;
*p++ = xdr_one; /* bitmap length */
- *p++ = htonl(FATTR4_WORD0_FILEID); /* bitmap */
- *p++ = htonl(8); /* attribute buffer length */
+ *p++ = htonl(attrs); /* bitmap */
+ *p++ = htonl(12); /* attribute buffer length */
+ *p++ = htonl(NF4DIR);
p = xdr_encode_hyper(p, NFS_FILEID(d_inode(dentry)));
}

@@ -317,8 +319,9 @@ static void nfs4_setup_readdir(u64 cookie, __be32 *verifier, struct dentry *dent
memcpy(p, "..\0\0", 4); /* entry */
p++;
*p++ = xdr_one; /* bitmap length */
- *p++ = htonl(FATTR4_WORD0_FILEID); /* bitmap */
- *p++ = htonl(8); /* attribute buffer length */
+ *p++ = htonl(attrs); /* bitmap */
+ *p++ = htonl(12); /* attribute buffer length */
+ *p++ = htonl(NF4DIR);
p = xdr_encode_hyper(p, NFS_FILEID(d_inode(dentry->d_parent)));

readdir->pgbase = (char *)p - (char *)start;
--
2.13.1