fs-inode_lock-scale-4

Protect inode->i_count with i_lock, rather than having it atomic.
Next step should also be to move things together (eg. the refcount increment
into d_instantiate, which will remove a lock/unlock cycle on i_lock).

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: John Stultz <johnstul@us.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 2c3dede519f1..659579634f9a 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -727,7 +727,7 @@ struct inode {
         struct list_head        i_sb_list;
         struct list_head        i_dentry;
         unsigned long           i_ino;
-        atomic_t                i_count;
+        unsigned int            i_count;
         unsigned int            i_nlink;
         uid_t                   i_uid;
         gid_t                   i_gid;