autofs: don't bother with atomics for ino->count

[linux-2.6-microblaze.git] / fs / autofs / expire.c

diff --git a/fs/autofs/expire.c b/fs/autofs/expire.c
index 2866fab..31d616a 100644 (file)
--- a/fs/autofs/expire.c
+++ b/fs/autofs/expire.c
@@ -211,7 +211,7 @@ static int autofs_tree_busy(struct vfsmount *mnt,
                        }
                } else {
                        struct autofs_info *ino = autofs_dentry_ino(p);
-                       unsigned int ino_count = atomic_read(&ino->count);
+                       unsigned int ino_count = READ_ONCE(ino->count);
 
                        /* allow for dget above and top is already dgot */
                        if (p == top)
@@ -379,7 +379,7 @@ static struct dentry *should_expire(struct dentry *dentry,
                /* Not a forced expire? */
                if (!(how & AUTOFS_EXP_FORCED)) {
                        /* ref-walk currently on this dentry? */
-                       ino_count = atomic_read(&ino->count) + 1;
+                       ino_count = READ_ONCE(ino->count) + 1;
                        if (d_count(dentry) > ino_count)
                                return NULL;
                }
@@ -396,7 +396,7 @@ static struct dentry *should_expire(struct dentry *dentry,
                /* Not a forced expire? */
                if (!(how & AUTOFS_EXP_FORCED)) {
                        /* ref-walk currently on this dentry? */
-                       ino_count = atomic_read(&ino->count) + 1;
+                       ino_count = READ_ONCE(ino->count) + 1;
                        if (d_count(dentry) > ino_count)
                                return NULL;
                }