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-rw-r--r--fs/ext4/page-io.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index 809b31003ecc..047a6de04a0a 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -50,11 +50,21 @@ void ext4_exit_pageio(void)
50 kmem_cache_destroy(io_page_cachep); 50 kmem_cache_destroy(io_page_cachep);
51} 51}
52 52
53void ext4_ioend_wait(struct inode *inode) 53/*
54 * This function is called by ext4_evict_inode() to make sure there is
55 * no more pending I/O completion work left to do.
56 */
57void ext4_ioend_shutdown(struct inode *inode)
54{ 58{
55 wait_queue_head_t *wq = ext4_ioend_wq(inode); 59 wait_queue_head_t *wq = ext4_ioend_wq(inode);
56 60
57 wait_event(*wq, (atomic_read(&EXT4_I(inode)->i_ioend_count) == 0)); 61 wait_event(*wq, (atomic_read(&EXT4_I(inode)->i_ioend_count) == 0));
62 /*
63 * We need to make sure the work structure is finished being
64 * used before we let the inode get destroyed.
65 */
66 if (work_pending(&EXT4_I(inode)->i_unwritten_work))
67 cancel_work_sync(&EXT4_I(inode)->i_unwritten_work);
58} 68}
59 69
60static void put_io_page(struct ext4_io_page *io_page) 70static void put_io_page(struct ext4_io_page *io_page)