btrfs: declare rsv_count as unsigned int instead of int
btrfs: declare rsv_count as unsigned int instead of int

rsv_count ultimately gets passed to start_transaction() which
now takes an unsigned int as its num_items parameter.
The value of rsv_count should always be positive so declare it
as being unsigned.

Reviewed-by: David Sterba <a2ce9d316ca04d17b520237d2846a218b8284e52@suse.com>
Signed-off-by: Alexandru Moise <c98f9e9017cc2ff6f1716063e42e12d2d468723b@gmail.com>
Signed-off-by: David Sterba <a2ce9d316ca04d17b520237d2846a218b8284e52@suse.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs