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NFS: Store the file system "fsid" value in the NFS super block.

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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>
This commit is contained in:
Trond Myklebust
2006-06-09 09:34:19 -04:00
parent 8b512d9a88
commit 8b4bdcf899
9 changed files with 30 additions and 15 deletions
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19
include/linux/nfs_xdr.h
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@@ -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;