btrfs: use bools for local variables at btrfs_clear_extent_bit_changeset()

Several variables are defined as integers but used as booleans, and the
'delete' variable can be made const since it's not changed after being
declared. So change them to proper booleans and simplify setting their
value.

Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/extent-io-tree.c b/fs/btrfs/extent-io-tree.c
index 3743ff777ada5e4d3c1827781d67cbe3015d62fc..f8b16c01c85620334e78642ae980727398de951d 100644 (file)
--- a/fs/btrfs/extent-io-tree.c
+++ b/fs/btrfs/extent-io-tree.c
@@ -605,9 +605,9 @@ int btrfs_clear_extent_bit_changeset(struct extent_io_tree *tree, u64 start, u64
        struct extent_state *prealloc = NULL;
        u64 last_end;
        int ret = 0;
-       int clear = 0;
-       int wake;
-       int delete = (bits & EXTENT_CLEAR_ALL_BITS);
+       bool clear;
+       bool wake;
+       const bool delete = (bits & EXTENT_CLEAR_ALL_BITS);
        gfp_t mask;
 
        set_gfp_mask_from_bits(&bits, &mask);
@@ -620,9 +620,8 @@ int btrfs_clear_extent_bit_changeset(struct extent_io_tree *tree, u64 start, u64
        if (bits & EXTENT_DELALLOC)
                bits |= EXTENT_NORESERVE;
 
-       wake = ((bits & EXTENT_LOCK_BITS) ? 1 : 0);
-       if (bits & (EXTENT_LOCK_BITS | EXTENT_BOUNDARY))
-               clear = 1;
+       wake = (bits & EXTENT_LOCK_BITS);
+       clear = (bits & (EXTENT_LOCK_BITS | EXTENT_BOUNDARY));
 again:
        if (!prealloc) {
                /*