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block: remove the BIO_USER_MAPPED flag

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Just check if there is private data, in which case the bio must have
originated from bio_copy_user_iov.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2020-08-27 17:37:48 +02:00 • committed by Jens Axboe
parent 7589ad6729
commit 3310eebafe
2 changed files with 4 additions and 7 deletions
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include/linux/blk_types.h
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@ -256,7 +256,6 @@ enum {
BIO_NO_PAGE_REF, /* don't put release vec pages */
BIO_CLONED, /* doesn't own data */
BIO_BOUNCED, /* bio is a bounce bio */
BIO_USER_MAPPED, /* contains user pages */
BIO_WORKINGSET, /* contains userspace workingset pages */
BIO_QUIET, /* Make BIO Quiet */
BIO_CHAIN, /* chained bio, ->bi_remaining in effect */