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H A Dblk-lib.cdiff 39722a2f2bcd82bdecc226711412d88b54fcb05b Mon Jul 01 18:51:19 CEST 2024 Christoph Hellwig <hch@lst.de> block: limit the Write Zeroes to manually writing zeroes fallback

Only fall back from hardware Write Zeroes failures when
blkdev_issue_write_zeroes returns -EOPNOTSUPP;

Note that blkdev_issue_write_zeroes turns any failure into -EOPNOTSUPP
when the write zeroes queue limit has been cleared to 0, so this still
catches all I/O errors where the driver detected missing support
for the hardware acceleration.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20240701165219.1571322-10-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>