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-rw-r--r--include/linux/fs.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index f83d997c558..6d6226732c9 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -574,7 +574,14 @@ struct file_ra_state {
#define RA_FLAG_INCACHE 0x02 /* file is already in cache */
struct file {
- struct list_head f_list;
+ /*
+ * fu_list becomes invalid after file_free is called and queued via
+ * fu_rcuhead for RCU freeing
+ */
+ union {
+ struct list_head fu_list;
+ struct rcu_head fu_rcuhead;
+ } f_u;
struct dentry *f_dentry;
struct vfsmount *f_vfsmnt;
struct file_operations *f_op;
@@ -598,7 +605,6 @@ struct file {
spinlock_t f_ep_lock;
#endif /* #ifdef CONFIG_EPOLL */
struct address_space *f_mapping;
- struct rcu_head f_rcuhead;
};
extern spinlock_t files_lock;
#define file_list_lock() spin_lock(&files_lock);