hpfs: make freeing sbi and codetables rcu-delayed
makes ->d_hash() and ->d_compare() safety in RCU mode independent
from vfsmount_lock
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/hpfs/hpfs_fn.h b/fs/hpfs/hpfs_fn.h
index 1b39863..6797bf8 100644
--- a/fs/hpfs/hpfs_fn.h
+++ b/fs/hpfs/hpfs_fn.h
@@ -80,6 +80,7 @@
unsigned sb_c_bitmap; /* current bitmap */
unsigned sb_max_fwd_alloc; /* max forwad allocation */
int sb_timeshift;
+ struct rcu_head rcu;
};
/* Four 512-byte buffers and the 2k block obtained by concatenating them */