ext4: remove EXT4_STATE_ORDERED_MODE

This flag is just duplicating what ext4_should_order_data() tells you
and is used in a single place. Furthermore it doesn't reflect changes to
inode data journalling flag so it may be possibly misleading. Just
remove it.

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

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 349afeb..f75e9eb 100644 (file)
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1549,7 +1549,6 @@ enum {
        EXT4_STATE_DIOREAD_LOCK,        /* Disable support for dio read
                                           nolocking */
        EXT4_STATE_MAY_INLINE_DATA,     /* may have in-inode data */
-       EXT4_STATE_ORDERED_MODE,        /* data=ordered mode */
        EXT4_STATE_EXT_PRECACHED,       /* extents have been precached */
 };
 

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 250c2df..8ba46ad 100644 (file)
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3540,10 +3540,7 @@ void ext4_set_aops(struct inode *inode)
 {
        switch (ext4_inode_journal_mode(inode)) {
        case EXT4_INODE_ORDERED_DATA_MODE:
-               ext4_set_inode_state(inode, EXT4_STATE_ORDERED_MODE);
-               break;
        case EXT4_INODE_WRITEBACK_DATA_MODE:
-               ext4_clear_inode_state(inode, EXT4_STATE_ORDERED_MODE);
                break;
        case EXT4_INODE_JOURNAL_DATA_MODE:
                inode->i_mapping->a_ops = &ext4_journalled_aops;
@@ -3636,7 +3633,7 @@ static int __ext4_block_zero_page_range(handle_t *handle,
        } else {
                err = 0;
                mark_buffer_dirty(bh);
-               if (ext4_test_inode_state(inode, EXT4_STATE_ORDERED_MODE))
+               if (ext4_should_order_data(inode))
                        err = ext4_jbd2_file_inode(handle, inode);
        }