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-rw-r--r--fs/ext2/inode.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index 338eefda70c6..6bd58e6ff038 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -737,8 +737,10 @@ static int ext2_get_blocks(struct inode *inode,
* so that it's not found by another thread before it's
* initialised
*/
- err = dax_clear_blocks(inode, le32_to_cpu(chain[depth-1].key),
- 1 << inode->i_blkbits);
+ err = dax_clear_sectors(inode->i_sb->s_bdev,
+ le32_to_cpu(chain[depth-1].key) <<
+ (inode->i_blkbits - 9),
+ 1 << inode->i_blkbits);
if (err) {
mutex_unlock(&ei->truncate_mutex);
goto cleanup;
@@ -874,6 +876,14 @@ ext2_direct_IO(struct kiocb *iocb, struct iov_iter *iter, loff_t offset)
static int
ext2_writepages(struct address_space *mapping, struct writeback_control *wbc)
{
+#ifdef CONFIG_FS_DAX
+ if (dax_mapping(mapping)) {
+ return dax_writeback_mapping_range(mapping,
+ mapping->host->i_sb->s_bdev,
+ wbc);
+ }
+#endif
+
return mpage_writepages(mapping, wbc, ext2_get_block);
}
@@ -1296,7 +1306,7 @@ void ext2_set_inode_flags(struct inode *inode)
inode->i_flags |= S_NOATIME;
if (flags & EXT2_DIRSYNC_FL)
inode->i_flags |= S_DIRSYNC;
- if (test_opt(inode->i_sb, DAX))
+ if (test_opt(inode->i_sb, DAX) && S_ISREG(inode->i_mode))
inode->i_flags |= S_DAX;
}