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authorTrond Myklebust <Trond.Myklebust@netapp.com>2006-06-09 09:34:19 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-06-09 09:34:19 -0400
commit8b4bdcf8995dd92b23d2ec22b32aee8fbbb50e1c (patch)
tree8ebe9ec2ed5cb58592097123cf6b34af997316c7 /include/linux/nfs_xdr.h
parent8b512d9a88875affe584bb3d2a7a235f84343b9e (diff)
downloadop-kernel-dev-8b4bdcf8995dd92b23d2ec22b32aee8fbbb50e1c.zip
op-kernel-dev-8b4bdcf8995dd92b23d2ec22b32aee8fbbb50e1c.tar.gz
NFS: Store the file system "fsid" value in the NFS super block.
This should enable us to detect if we are crossing a mountpoint in the case where the server is exporting "nohide" mounts. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include/linux/nfs_xdr.h')
-rw-r--r--include/linux/nfs_xdr.h19
1 files changed, 12 insertions, 7 deletions
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index e206c07..95682f7 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -14,11 +14,19 @@
#define NFS_DEF_FILE_IO_SIZE (4096U)
#define NFS_MIN_FILE_IO_SIZE (1024U)
-struct nfs4_fsid {
- __u64 major;
- __u64 minor;
+struct nfs_fsid {
+ uint64_t major;
+ uint64_t minor;
};
+/*
+ * Helper for checking equality between 2 fsids.
+ */
+static inline int nfs_fsid_equal(const struct nfs_fsid *a, const struct nfs_fsid *b)
+{
+ return a->major == b->major && a->minor == b->minor;
+}
+
struct nfs_fattr {
unsigned short valid; /* which fields are valid */
__u64 pre_size; /* pre_op_attr.size */
@@ -40,10 +48,7 @@ struct nfs_fattr {
} nfs3;
} du;
dev_t rdev;
- union {
- __u64 nfs3; /* also nfs2 */
- struct nfs4_fsid nfs4;
- } fsid_u;
+ struct nfs_fsid fsid;
__u64 fileid;
struct timespec atime;
struct timespec mtime;
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