[PATCH] xfs: destroy mutex pag_ici_reclaim_lock before free xfs_perag_t structure

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The mutex pag_ici_reclaim_lock of xfs_perag_t structure is initialized in
xfs_initialize_perag. If happen errors in xfs_initialize_perag, or free
resources in xfs_free_perag, wo need to destroy the mutex before free
perag.

Signed-off-by: Xiongwei Song <sxwjean@xxxxxx>
---
 fs/xfs/xfs_mount.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index c879b517cc94..98fd41cbb9e1 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -162,6 +162,7 @@ xfs_free_perag(
 		ASSERT(pag);
 		ASSERT(atomic_read(&pag->pag_ref) == 0);
 		xfs_buf_hash_destroy(pag);
+		mutex_destroy(&pag->pag_ici_reclaim_lock);
 		call_rcu(&pag->rcu_head, __xfs_free_perag);
 	}
 }
@@ -248,6 +249,7 @@ xfs_initialize_perag(
 out_hash_destroy:
 	xfs_buf_hash_destroy(pag);
 out_free_pag:
+	mutex_destroy(&pag->pag_ici_reclaim_lock);
 	kmem_free(pag);
 out_unwind_new_pags:
 	/* unwind any prior newly initialized pags */
@@ -256,6 +258,7 @@ xfs_initialize_perag(
 		if (!pag)
 			break;
 		xfs_buf_hash_destroy(pag);
+		mutex_destroy(&pag->pag_ici_reclaim_lock);
 		kmem_free(pag);
 	}
 	return error;
-- 
2.15.1

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