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Diffstat (limited to 'fs/xfs/xfs_buf.c')
-rw-r--r--fs/xfs/xfs_buf.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 99ee8b0f499c..f6e5235df7c9 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -1815,14 +1815,13 @@ xfs_buftarg_drain_rele(
return LRU_REMOVED;
}
+/*
+ * Wait for outstanding I/O on the buftarg to complete.
+ */
void
-xfs_buftarg_drain(
+xfs_buftarg_wait(
struct xfs_buftarg *btp)
{
- LIST_HEAD(dispose);
- int loop = 0;
- bool write_fail = false;
-
/*
* First wait on the buftarg I/O count for all in-flight buffers to be
* released. This is critical as new buffers do not make the LRU until
@@ -1838,6 +1837,17 @@ xfs_buftarg_drain(
while (percpu_counter_sum(&btp->bt_io_count))
delay(100);
flush_workqueue(btp->bt_mount->m_buf_workqueue);
+}
+
+void
+xfs_buftarg_drain(
+ struct xfs_buftarg *btp)
+{
+ LIST_HEAD(dispose);
+ int loop = 0;
+ bool write_fail = false;
+
+ xfs_buftarg_wait(btp);
/* loop until there is nothing left on the lru list. */
while (list_lru_count(&btp->bt_lru)) {