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btrfs: raid56: avoid double for loop inside __raid56_parity_recover()
authorQu Wenruo <wqu@suse.com>
Thu, 2 Jun 2022 07:51:19 +0000 (15:51 +0800)
committerDavid Sterba <dsterba@suse.com>
Mon, 25 Jul 2022 15:45:35 +0000 (17:45 +0200)
commitef340fccbe982a14588ed15eb3a20b2e5b78a3e1
tree69aac14d9d727781a05394e6ca31f1f13f0f592dtree | snapshot
parent369200446564f04b5cd14596d69e17880be7d926commit | diff
btrfs: raid56: avoid double for loop inside __raid56_parity_recover()

The double for loop can be easily converted to single for loop as we're
really iterating the sectors in their bytenr order.

The only exception is the full stripe skip, however that can also easily
be done inside the loop.  Add an ASSERT() along with a comment for that
specific case.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/raid56.c diff | blob | history
Domain: System / Kernel;