AcoSail/kernel_optimize_test
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Btrfs: kick out redundant stuff in convert_extent_bit

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clear_state_bit will do merge_state for us, so kick out the redundant one.

Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com>
This commit is contained in:
Liu Bo 2012-02-16 18:34:38 +08:00 committed by David Sterba
parent 0449314a9c
commit 9d47c7671d
1 changed files with 0 additions and 5 deletions
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5
fs/btrfs/extent_io.c
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@ -966,8 +966,6 @@ int convert_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
set_state_bits(tree, state, &bits);
clear_state_bit(tree, state, &clear_bits, 0);
merge_state(tree, state);
if (last_end == (u64)-1)
goto out;
@ -1012,7 +1010,6 @@ int convert_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
if (state->end <= end) {
set_state_bits(tree, state, &bits);
clear_state_bit(tree, state, &clear_bits, 0);
merge_state(tree, state);
if (last_end == (u64)-1)
goto out;
start = last_end + 1;
@ -1073,8 +1070,6 @@ int convert_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
set_state_bits(tree, prealloc, &bits);
clear_state_bit(tree, prealloc, &clear_bits, 0);
merge_state(tree, prealloc);
prealloc = NULL;
goto out;
}