diff options
| -rw-r--r-- | fs/ext4/inode.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index f33fa86fff67..b422d9b8c0bd 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -3565,8 +3565,14 @@ retry: return ret; } + /* + * Writes that span EOF might trigger an I/O size update on completion, + * so consider them to be dirty for the purposes of O_DSYNC, even if + * there is no other metadata changes being made or are pending here. + */ iomap->flags = 0; - if (ext4_inode_datasync_dirty(inode)) + if (ext4_inode_datasync_dirty(inode) || + offset + length > i_size_read(inode)) iomap->flags |= IOMAP_F_DIRTY; iomap->bdev = inode->i_sb->s_bdev; iomap->dax_dev = sbi->s_daxdev; |