On 2026/01/19 18:44, Christoph Hellwig wrote:

Support using the ioend structure to defer I/O completion for direct
reads in addition to writes.  This requires a check for the operation
to not merge reads and writes in iomap_ioend_can_merge.  This support
will be used for bounce buffered direct I/O reads that need to copy
data back to the user address space on read completion.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>

Reviewed-by: Damien Le Moal <dlemoal@kernel.org>


-- 
Damien Le Moal
Western Digital Research