block: Check locking assumptions at runtime

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Instead of documenting the locking assumptions of most block layer
functions as a comment, use lockdep_assert_held() to verify locking
assumptions at runtime.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Omar Sandoval <osandov@fb.com>
Cc: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Bart Van Assche 2017-06-20 11:15:45 -07:00 • committed by Jens Axboe

parent 9e0c829906

commit 2fff8a924d

5 changed files with 64 additions and 37 deletions

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71

block/blk-core.c

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8

block/blk-flush.c

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3

block/blk-merge.c

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15

block/blk-tag.c

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4

block/blk-timeout.c

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