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Btrfs: don't set up allocation result twice 

We store the allocation start and length twice in ins, once right
after the other, but with intervening calls that may prevent the
duplicate from being optimized out by the compiler.  Remove one of the
assignments.

Signed-off-by: Alexandre Oliva <oliva@lsd.ic.unicamp.br>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Alexandre Oliva 2011-11-28 12:36:17 -02:00 committed by Chris Mason
parent a5f6f719a5
commit fc7c1077ce
1 changed files with 0 additions and 3 deletions
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3
fs/btrfs/extent-tree.c
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@ -5441,9 +5441,6 @@ static noinline int find_free_extent(struct btrfs_trans_handle *trans,
goto loop;
}
ins->objectid = search_start;
ins->offset = num_bytes;
if (offset < search_start)
btrfs_add_free_space(used_block_group, offset,
search_start - offset);