I missed this once or twice, so can we put might_sleep check into
mntput? Or does anyone call it from atomic context to drop a known
not-last reference? (if so then maybe the caller could be rewritten).
--
Index: linux-2.6/include/linux/mount.h
===================================================================
--- linux-2.6.orig/include/linux/mount.h
+++ linux-2.6/include/linux/mount.h
@@ -113,6 +113,8 @@ extern int __mnt_is_readonly(struct vfsm
static inline void mntput(struct vfsmount *mnt)
{
if (mnt) {
+ might_sleep();
+
mnt->mnt_expiry_mark = 0;
mntput_no_expire(mnt);
}
--
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