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Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/super.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index fa220dc7460..7226a506f3c 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1575,6 +1575,11 @@ static int nfs_compare_super(struct super_block *sb, void *data)
return nfs_compare_mount_options(sb, server, mntflags);
}
+static int nfs_bdi_register(struct nfs_server *server)
+{
+ return bdi_register_dev(&server->backing_dev_info, server->s_dev);
+}
+
static int nfs_get_sb(struct file_system_type *fs_type,
int flags, const char *dev_name, void *raw_data, struct vfsmount *mnt)
{
@@ -1617,6 +1622,10 @@ static int nfs_get_sb(struct file_system_type *fs_type,
if (s->s_fs_info != server) {
nfs_free_server(server);
server = NULL;
+ } else {
+ error = nfs_bdi_register(server);
+ if (error)
+ goto error_splat_super;
}
if (!s->s_root) {
@@ -1664,6 +1673,7 @@ static void nfs_kill_super(struct super_block *s)
{
struct nfs_server *server = NFS_SB(s);
+ bdi_unregister(&server->backing_dev_info);
kill_anon_super(s);
nfs_free_server(server);
}
@@ -1708,6 +1718,10 @@ static int nfs_xdev_get_sb(struct file_system_type *fs_type, int flags,
if (s->s_fs_info != server) {
nfs_free_server(server);
server = NULL;
+ } else {
+ error = nfs_bdi_register(server);
+ if (error)
+ goto error_splat_super;
}
if (!s->s_root) {
@@ -1984,6 +1998,10 @@ static int nfs4_get_sb(struct file_system_type *fs_type,
if (s->s_fs_info != server) {
nfs_free_server(server);
server = NULL;
+ } else {
+ error = nfs_bdi_register(server);
+ if (error)
+ goto error_splat_super;
}
if (!s->s_root) {
@@ -2070,6 +2088,10 @@ static int nfs4_xdev_get_sb(struct file_system_type *fs_type, int flags,
if (s->s_fs_info != server) {
nfs_free_server(server);
server = NULL;
+ } else {
+ error = nfs_bdi_register(server);
+ if (error)
+ goto error_splat_super;
}
if (!s->s_root) {
@@ -2149,6 +2171,10 @@ static int nfs4_referral_get_sb(struct file_system_type *fs_type, int flags,
if (s->s_fs_info != server) {
nfs_free_server(server);
server = NULL;
+ } else {
+ error = nfs_bdi_register(server);
+ if (error)
+ goto error_splat_super;
}
if (!s->s_root) {