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(parent: f5acc83) | patch
dm snapshot: simplify sector_to_chunk expression
authorMikulas Patocka <mpatocka@redhat.com>
Thu, 10 Dec 2009 23:52:08 +0000 (23:52 +0000)
committerAlasdair G Kergon <agk@redhat.com>
Thu, 10 Dec 2009 23:52:08 +0000 (23:52 +0000)
commit102c6ddb1d081a6a1fede38c43a42c9811313ec7
tree2274305e73dccefa6a4620180339ec04504f93fbtree | snapshot (tar.gz zip)
parentf5acc834287dd4f6cf712093ce0e779e38caad70commit | diff
dm snapshot: simplify sector_to_chunk expression

Removed unnecessary 'and' masking: The right shift discards the lower
bits so there is no need to clear them.

(A later patch needs this change to support a 32-bit chunk_mask.)

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Reviewed-by: Mike Snitzer <snitzer@redhat.com>
Reviewed-by: Jonathan Brassow <jbrassow@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
drivers/md/dm-exception-store.h diff | blob | blame | history