we MUST wait for writeback to finish before file->f_op->fsync.
https://jira.sw.ru/browse/PSBM-18049
Signed-off-by: Dmitry Monakhov <dmonak...@openvz.org>
Acked-by: Maxim V. Patlasov <mpatla...@parallels.com>
---
drivers/block/ploop/io_direct.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/block/ploop/io_direct.c b/drivers/block/ploop/io_direct.c
index cbb7edc..a9910ba 100644
--- a/drivers/block/ploop/io_direct.c
+++ b/drivers/block/ploop/io_direct.c
@@ -774,16 +774,13 @@ static int dio_fsync(struct file * file)
int err, ret;
struct address_space *mapping = file->f_mapping;
- ret = filemap_fdatawrite(mapping);
+ ret = filemap_write_and_wait(mapping);
err = 0;
if (file->f_op && file->f_op->fsync) {
err = file->f_op->FOP_FSYNC(file, 0);
if (!ret)
ret = err;
}
- err = filemap_fdatawait(mapping);
- if (!ret)
- ret = err;
return ret;
}
--
1.9.3
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