ext4: convert write_begin methods to stable_page_writes semantics

commit 7afe5aa59ed3da7b6161617e7f157c7c680dc41e upstream.

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>
Cc: Alex Shi <alex.shi@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 9e3d8dd6c40af6999f3333ba51dce7b9908564d5..8a277505a3bebb0933a07637feb605ccf9e40e37 100644 (file)
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1032,7 +1032,8 @@ 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);
@@ -2729,7 +2730,7 @@ 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) {