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ext4: use swap macro in mext_page_double_lock

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Make use of the swap macro and remove unnecessary variable *tmp*.
This makes the code easier to read and maintain.

This code was detected with the help of Coccinelle.

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Gustavo A. R. Silva 2018-07-29 16:11:59 -04:00 committed by Theodore Ts'o
parent 21ac738ede
commit 62bbdd9974
1 changed files with 1 additions and 3 deletions
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4
fs/ext4/move_extent.c
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@ -134,9 +134,7 @@ mext_page_double_lock(struct inode *inode1, struct inode *inode2,
mapping[0] = inode1->i_mapping;
mapping[1] = inode2->i_mapping;
} else {
pgoff_t tmp = index1;
index1 = index2;
index2 = tmp;
swap(index1, index2);
mapping[0] = inode2->i_mapping;
mapping[1] = inode1->i_mapping;
}