ext4: rename and split get blocks functions

Rename ext4_get_blocks_write() to ext4_get_blocks_unwritten() to better
describe what it does. Also split out get blocks functions for direct
IO. Later we move functionality from _ext4_get_blocks() there. There's no
functional change in this patch.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

1 files changed, 4 insertions, 3 deletions

diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c
index dfe3b9bafc0d..36d8cc9327f5 100644
--- a/fs/ext4/inline.c
+++ b/fs/ext4/inline.c
@@ -581,9 +581,10 @@ retry:
         if (ret)
                 goto out;
 
-        if (ext4_should_dioread_nolock(inode))
-                ret = __block_write_begin(page, from, to, ext4_get_block_write);
-        else
+        if (ext4_should_dioread_nolock(inode)) {
+                ret = __block_write_begin(page, from, to,
+                                          ext4_get_block_unwritten);
+        } else
                 ret = __block_write_begin(page, from, to, ext4_get_block);
 
         if (!ret && ext4_should_journal_data(inode)) {