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-rw-r--r--fs/dcache.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/dcache.c b/fs/dcache.c
index 274f13e..a901c69 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -546,9 +546,11 @@ int d_invalidate(struct dentry * dentry)
* would make it unreachable from the root,
* we might still populate it if it was a
* working directory or similar).
+ * We also need to leave mountpoints alone,
+ * directory or not.
*/
- if (dentry->d_count > 1) {
- if (dentry->d_inode && S_ISDIR(dentry->d_inode->i_mode)) {
+ if (dentry->d_count > 1 && dentry->d_inode) {
+ if (S_ISDIR(dentry->d_inode->i_mode) || d_mountpoint(dentry)) {
spin_unlock(&dentry->d_lock);
return -EBUSY;
}
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