Restructure the logic in filemap_write_and_wait_range to simplify the code
and make it more consistent with file_write_and_wait_range. No functional
change intended.
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
mm/filemap.c | 18 ++++++------------
1 file changed, 6 insertions(+), 12 deletions(-)
diff --git a/mm/filemap.c b/mm/filemap.c
index 8ccb868c3d95..b561619cfafe 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -667,7 +667,7 @@ EXPORT_SYMBOL_GPL(filemap_range_has_writeback);
int filemap_write_and_wait_range(struct address_space *mapping,
loff_t lstart, loff_t lend)
{
- int err = 0;
+ int err = 0, err2;
if (mapping_needs_writeback(mapping)) {
err = __filemap_fdatawrite_range(mapping, lstart, lend,
@@ -678,18 +678,12 @@ int filemap_write_and_wait_range(struct address_space *mapping,
* But the -EIO is special case, it may indicate the worst
* thing (e.g. bug) happened, so we avoid waiting for it.
*/
- if (err != -EIO) {
- int err2 = filemap_fdatawait_range(mapping,
- lstart, lend);
- if (!err)
- err = err2;
- } else {
- /* Clear any previously stored errors */
- filemap_check_errors(mapping);
- }
- } else {
- err = filemap_check_errors(mapping);
+ if (err != -EIO)
+ __filemap_fdatawait_range(mapping, lstart, lend);
}
+ err2 = filemap_check_errors(mapping);
+ if (!err)
+ err = err2;
return err;
}
EXPORT_SYMBOL(filemap_write_and_wait_range);
--
2.23.0
