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authorTrond Myklebust <Trond.Myklebust@netapp.com>2011-04-27 13:47:52 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2011-04-27 15:57:16 -0400
commit28331a46d88459788c8fca72dbb0415cd7f514c9 (patch)
tree436a4a7209ab9acab87c0e0ecb0cac9b2c749f3d /include
parent1bd714f2a14aa4d6a5570956fcec64530b007e4a (diff)
NFSv4: Ensure we request the ordinary fileid when doing readdirplus
When readdir() returns a directory entry for the root of a mounted filesystem, Linux follows the old convention of returning the inode number of the covered directory (despite newer versions of POSIX declaring that this is a bug). To ensure this continues to work, the NFSv4 readdir implementation requests the 'mounted-on-fileid' from the server. However, readdirplus also needs to instantiate an inode for this entry, and for that, we also need to request the real fileid as per this patch. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/nfs_xdr.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 78b101e487ea..890dce242639 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -50,6 +50,7 @@ struct nfs_fattr {
} du;
struct nfs_fsid fsid;
__u64 fileid;
+ __u64 mounted_on_fileid;
struct timespec atime;
struct timespec mtime;
struct timespec ctime;
@@ -83,6 +84,7 @@ struct nfs_fattr {
#define NFS_ATTR_FATTR_PRECHANGE (1U << 18)
#define NFS_ATTR_FATTR_V4_REFERRAL (1U << 19) /* NFSv4 referral */
#define NFS_ATTR_FATTR_MOUNTPOINT (1U << 20) /* Treat as mountpoint */
+#define NFS_ATTR_FATTR_MOUNTED_ON_FILEID (1U << 21)
#define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \
| NFS_ATTR_FATTR_MODE \

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