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authorIngo Molnar <mingo@kernel.org>2019-06-17 12:29:16 +0200
committerIngo Molnar <mingo@kernel.org>2019-06-17 12:29:16 +0200
commitbddb3636737f658886a0a02b64db5366bba3428e (patch)
tree8f7ffcb42803fa0bb3378ef969545e4a5e57262c /fs/overlayfs/util.c
parent3384c78631dd722c2cdc5c57fbdd39fc1b5a9f2d (diff)
parentcbb99c0f588737ec98c333558922ce47e9a95827 (diff)
Merge branch 'x86/cpu' into perf/core, to pick up dependent changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/overlayfs/util.c')
-rw-r--r--fs/overlayfs/util.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c
index 4035e640f4021..e135064e87ad3 100644
--- a/fs/overlayfs/util.c
+++ b/fs/overlayfs/util.c
@@ -652,6 +652,18 @@ void ovl_inuse_unlock(struct dentry *dentry)
}
}
+bool ovl_is_inuse(struct dentry *dentry)
+{
+ struct inode *inode = d_inode(dentry);
+ bool inuse;
+
+ spin_lock(&inode->i_lock);
+ inuse = (inode->i_state & I_OVL_INUSE);
+ spin_unlock(&inode->i_lock);
+
+ return inuse;
+}
+
/*
* Does this overlay dentry need to be indexed on copy up?
*/