On Wed, Jan 25, 2023 at 01:18:06AM -0500, Theodore Ts'o wrote: > > Fortunately, we're safe on the read side, because we currently very > carefully do not call raw_read_blk() while holding the CACHE_MUTEX. > Instead, we write the data from the user-supplied buffer, and *then* ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > take the cache mutex, and then save the data from the user-supplied > buffer into the cache. Correction: the last sentence of this paragraph should begin: "Instead, we READ the data INTO the user-supplied buffer, ..." I have a series of patches that should address the deadlock issue, that I'll be sending out shortly. - Ted
