https://github.com/torvalds/linux
Revision c3b4afca7023b5aa0531912364246e67f79b3010 authored by Ming Lei on 04 June 2015, 14:25:04 UTC, committed by Jens Axboe on 09 June 2015, 21:32:38 UTC
Now blk_cleanup_queue() can be called before calling del_gendisk()[1], inside which hctx->ctxs is touched from blk_mq_unregister_hctx(), but the variable has been freed by blk_cleanup_queue() at that time. So this patch moves freeing of hctx->ctxs into queue's release handler for fixing the oops reported by Stefan. [1], 6cd18e711dd8075 (block: destroy bdi before blockdev is unregistered) Reported-by: Stefan Seyfried <stefan.seyfried@googlemail.com> Cc: NeilBrown <neilb@suse.de> Cc: Christoph Hellwig <hch@lst.de> Cc: stable@vger.kernel.org (v4.0) Signed-off-by: Ming Lei <tom.leiming@gmail.com> Signed-off-by: Jens Axboe <axboe@fb.com>
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Tip revision: c3b4afca7023b5aa0531912364246e67f79b3010 authored by Ming Lei on 04 June 2015, 14:25:04 UTC
blk-mq: free hctx->ctxs in queue's release handler
blk-mq: free hctx->ctxs in queue's release handler
Tip revision: c3b4afc
| File | Mode | Size |
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| Documentation | ||
| arch | ||
| block | ||
| crypto | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
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