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path: root/fs/dcache.c
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Diffstat (limited to 'fs/dcache.c')
-rw-r--r--fs/dcache.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/dcache.c b/fs/dcache.c
index 660857431b1c..11d466bbfb0b 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1322,8 +1322,11 @@ int d_set_mounted(struct dentry *dentry)
}
spin_lock(&dentry->d_lock);
if (!d_unlinked(dentry)) {
- dentry->d_flags |= DCACHE_MOUNTED;
- ret = 0;
+ ret = -EBUSY;
+ if (!d_mountpoint(dentry)) {
+ dentry->d_flags |= DCACHE_MOUNTED;
+ ret = 0;
+ }
}
spin_unlock(&dentry->d_lock);
out: