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(parent: 74694bc) | patch
dm: do not allow readahead to limit IO size
authorJaegeuk Kim <jaegeuk@kernel.org>
Tue, 18 Dec 2018 17:25:37 +0000 (09:25 -0800)
committerMike Snitzer <snitzer@redhat.com>
Tue, 18 Dec 2018 19:23:41 +0000 (14:23 -0500)
commitc6d6e9b0f6b4201c77f2cea3964dd122697e3543
tree3acd02efdcc3ff01072f8ad9702ea9b0740d37e7tree | snapshot
parent74694bcbdf7e28a5ad548cdda9ac56d30be00d13commit | diff
dm: do not allow readahead to limit IO size

Update DM to set the bdi's io_pages.  This fixes reads to be capped at
the device's max request size (even if user's read IO exceeds the
established readahead setting).

Fixes: 9491ae4a ("mm: don't cap request size based on read-ahead setting")
Cc: stable@vger.kernel.org
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
drivers/md/dm-table.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)