LU-17034 quota: lqeg_arr memmory corruption

[fs/lustre-release.git] / lustre / obdclass / lu_tgt_pool.c

diff --git a/lustre/obdclass/lu_tgt_pool.c b/lustre/obdclass/lu_tgt_pool.c
index 4bf0d16..7ef83ce 100644 (file)
--- a/lustre/obdclass/lu_tgt_pool.c
+++ b/lustre/obdclass/lu_tgt_pool.c
@@ -132,13 +132,15 @@ EXPORT_SYMBOL(lu_tgt_pool_extend);
  * \retval             0 if target could be added to the pool
  * \retval             negative error if target \a idx was not added
  */
-int lu_tgt_pool_add(struct lu_tgt_pool *op, __u32 idx, unsigned int min_count)
+int lu_tgt_pool_add_lock(struct lu_tgt_pool *op, __u32 idx,
+                        unsigned int min_count, bool lock)
 {
        unsigned int i;
        int rc = 0;
        ENTRY;
 
-       down_write(&op->op_rw_sem);
+       if (lock)
+               down_write(&op->op_rw_sem);
 
        /* search ost in pool array */
        for (i = 0; i < op->op_count; i++) {
@@ -155,10 +157,11 @@ int lu_tgt_pool_add(struct lu_tgt_pool *op, __u32 idx, unsigned int min_count)
        op->op_count++;
        EXIT;
 out:
-       up_write(&op->op_rw_sem);
+       if (lock)
+               up_write(&op->op_rw_sem);
        return rc;
 }
-EXPORT_SYMBOL(lu_tgt_pool_add);
+EXPORT_SYMBOL(lu_tgt_pool_add_lock);
 
 /**
  * Remove an existing pool from the system.