btrfs: read stripe len directly in btrfs_rmap_block

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extent_map::orig_block_len contains the size of a physical stripe when
it's used to describe block groups (calculated in read_one_chunk via
calc_stripe_length or calculated in decide_stripe_size and then assigned
to extent_map::orig_block_len in create_chunk). Exploit this fact to get
the size directly rather than opencoding the calculations. No functional
changes.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Nikolay Borisov 2020-04-03 16:40:34 +03:00 • committed by David Sterba

parent 6a3c7f5c87

commit 9e22b92598

1 changed files with 3 additions and 10 deletions

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fs/btrfs/block-group.c

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