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dm crypt: leverage immutable biovecs when decrypting on read
authorMike Snitzer <snitzer@redhat.com>
Thu, 9 Apr 2015 20:53:24 +0000 (16:53 -0400)
committerMike Snitzer <snitzer@redhat.com>
Wed, 15 Apr 2015 16:10:25 +0000 (12:10 -0400)
commit5977907937afa2b5584a874d44ba6c0f56aeaa9c
tree804a59300745efce20cacd1a79fbff035bf409ab
parente44f23b32dc7916b2bc12817e2f723fefa21ba41
dm crypt: leverage immutable biovecs when decrypting on read

Commit 003b5c571 ("block: Convert drivers to immutable biovecs")
stopped short of changing dm-crypt to leverage the fact that the biovec
array of a bio will no longer be modified.

Switch to using bio_clone_fast() when cloning bios for decryption after
read.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
drivers/md/dm-crypt.c