block: flush: fix IO hang in case of flood fua req
This patch fixes one issue reported by Kent, which can be triggered in bcachefs over sata disk. Actually it is a generic issue in block flush vs. blk-tag. Cc: Christoph Hellwig <hch@infradead.org> Reported-by:Kent Overstreet <kent.overstreet@gmail.com> Signed-off-by:
Ming Lei <tom.leiming@gmail.com> Signed-off-by:
Jens Axboe <axboe@fb.com>
parent
423221d1
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