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authorMing Lei <ming.lei@redhat.com>2020-01-05 02:41:14 +0100
committerJens Axboe <axboe@kernel.dk>2020-01-09 16:16:12 +0100
commit83c9c547168e8b914ea6398430473a4de68c52cc (patch)
tree9134fc796f74f44136d488d92ab270f9b1cdf788 /.get_maintainer.ignore
parentblock: remove unused mp_bvec_last_segment (diff)
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fs: move guard_bio_eod() after bio_set_op_attrs
Commit 85a8ce62c2ea ("block: add bio_truncate to fix guard_bio_eod") adds bio_truncate() for handling bio EOD. However, bio_truncate() doesn't use the passed 'op' parameter from guard_bio_eod's callers. So bio_trunacate() may retrieve wrong 'op', and zering pages may not be done for READ bio. Fixes this issue by moving guard_bio_eod() after bio_set_op_attrs() in submit_bh_wbc() so that bio_truncate() can always retrieve correct op info. Meantime remove the 'op' parameter from guard_bio_eod() because it isn't used any more. Cc: Carlos Maiolino <cmaiolino@redhat.com> Cc: linux-fsdevel@vger.kernel.org Fixes: 85a8ce62c2ea ("block: add bio_truncate to fix guard_bio_eod") Signed-off-by: Ming Lei <ming.lei@redhat.com> Fold in kerneldoc and bio_op() change. Signed-off-by: Jens Axboe <axboe@kernel.dk>
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