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authorChuck Lever <chuck.lever@oracle.com>2013-10-17 14:12:56 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2013-10-28 15:24:26 -0400
commitce6cda1845cf2332d2c411a5c72cd166256b21da (patch)
tree2f1b0640b5331726f1ff492c48d72ffafb0fd5bc /include/linux/nfs_fs_sb.h
parentb03d735b4ca2375d2251195cd848713bc55e7d79 (diff)
NFS: Add a super_block backpointer to the nfs_server struct
NFS_SB() returns the pointer to an nfs_server struct, given a pointer to a super_block. But we have no way to go back the other way. Add a super_block backpointer field so that, given an nfs_server struct, it is easy to get to the filesystem's root dentry. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include/linux/nfs_fs_sb.h')
-rw-r--r--include/linux/nfs_fs_sb.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index f9c0a6cb41e..46b0cb4bee0 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -148,6 +148,7 @@ struct nfs_server {
__u64 maxfilesize; /* maximum file size */
struct timespec time_delta; /* smallest time granularity */
unsigned long mount_time; /* when this fs was mounted */
+ struct super_block *super; /* VFS super block */
dev_t s_dev; /* superblock dev numbers */
#ifdef CONFIG_NFS_FSCACHE