ext4: convert write_begin methods to stable_page_writes semantics

Use wait_for_stable_page() instead of wait_on_page_writeback()

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>

1 files changed, 3 insertions, 2 deletions

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index fc4051eb4e0f..47c8e4654371 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -969,7 +969,8 @@ retry_journal:
                 ext4_journal_stop(handle);
                 goto retry_grab;
         }
-        wait_on_page_writeback(page);
+        /* In case writeback began while the page was unlocked */
+        wait_for_stable_page(page);
 
         if (ext4_should_dioread_nolock(inode))
                 ret = __block_write_begin(page, pos, len, ext4_get_block_write);
@@ -2678,7 +2679,7 @@ retry_journal:
                 goto retry_grab;
         }
         /* In case writeback began while the page was unlocked */
-        wait_on_page_writeback(page);
+        wait_for_stable_page(page);
 
         ret = __block_write_begin(page, pos, len, ext4_da_get_block_prep);
         if (ret < 0) {