Guoquan and hank,
are you using 32-bit or 64-bit kernels? I just noticed we have a
problem with exporting 64-bit inodes on 32-bit kernel because the
VFS i_ino field is just 32-bits long. The patch below would fix
that issue.
--- xfs.orig/fs/xfs/linux-2.6/xfs_export.c 2011-11-28 12:11:08.923630697 +0100
+++ xfs/fs/xfs/linux-2.6/xfs_export.c 2011-11-28 12:13:21.766244360 +0100
@@ -61,6 +61,8 @@ xfs_fs_encode_fh(
struct fid *fid = (struct fid *)fh;
struct xfs_fid64 *fid64 = (struct xfs_fid64 *)fh;
struct inode *inode = dentry->d_inode;
+ struct inode *parent;
+ struct xfs_inode *ip = XFS_I(inode);
int fileid_type;
int len;
@@ -98,22 +100,24 @@ xfs_fs_encode_fh(
switch (fileid_type) {
case FILEID_INO32_GEN_PARENT:
spin_lock(&dentry->d_lock);
- fid->i32.parent_ino = dentry->d_parent->d_inode->i_ino;
- fid->i32.parent_gen = dentry->d_parent->d_inode->i_generation;
+ parent = dentry->d_parent->d_inode;
+ fid->i32.parent_ino = XFS_I(parent)->i_ino;
+ fid->i32.parent_gen = parent->i_generation;
spin_unlock(&dentry->d_lock);
/*FALLTHRU*/
case FILEID_INO32_GEN:
- fid->i32.ino = inode->i_ino;
+ fid->i32.ino = ip->i_ino;
fid->i32.gen = inode->i_generation;
break;
case FILEID_INO32_GEN_PARENT | XFS_FILEID_TYPE_64FLAG:
spin_lock(&dentry->d_lock);
- fid64->parent_ino = dentry->d_parent->d_inode->i_ino;
- fid64->parent_gen = dentry->d_parent->d_inode->i_generation;
+ parent = dentry->d_parent->d_inode;
+ fid64->parent_ino = XFS_I(parent)->i_ino;
+ fid64->parent_gen = parent->i_generation;
spin_unlock(&dentry->d_lock);
/*FALLTHRU*/
case FILEID_INO32_GEN | XFS_FILEID_TYPE_64FLAG:
- fid64->ino = inode->i_ino;
+ fid64->ino = ip->i_ino;
fid64->gen = inode->i_generation;
break;
}
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