On Thu, Jan 23, 2025 at 04:53:35PM +0300, Konstantin Komarov wrote: > Update inode->i_mapping->a_ops when the compression state changes to > ensure correct address space operations. > Clear ATTR_FLAG_SPARSED/FILE_ATTRIBUTE_SPARSE_FILE when enabling > compression to prevent flag conflicts. How is this synchronized against using the address_space ops? Most of them can be called without i_rwsem held.